Picture In Picture Patents (Class 348/565)
  • Patent number: 5831591
    Abstract: In an information picture display device using a double-picture type screen, a TV microcomputer controls a double window processing unit, an information processing unit processes information data received from a value added network and recognizes a selected screen mode to then output a switching control signal. The device is constructed so that the output of a switching unit for selecting one of a sub-video signal and a signal processed in the information processing unit is input to the double window processing unit, thereby displaying an information signal on the entire double-picture type screen, displaying the information signal and a TV signal separately on partitions of the double-picture type screens, or displaying the information signal superimposed on the TV signal. When the information signal is displayed on the entire screen, the signal processed in the information processing unit is displayed directly without passing through the double window processing unit, thereby improving picture quality.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: November 3, 1998
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Moon-hwan Suh
  • Patent number: 5831684
    Abstract: A subpicture image signal vertical compression circuit for vertically compressing subpictures operating at respective synchronous timings different from that of the main picture when a plurality of image signals having respectively different synchronizations are displayed on an image display device. Depending on whether the field polarities of main and sub pictures are the same or not, the subpicture image signal vertical compression circuit generates suitable offsets for the first and the second fields to adjust the phases and prevent the inversion of the scan order in the vertical direction, at the first field and the second field of subpicture signal, after the phase adjustment to obtain a subpicture image with natural motion in the vertical direction.
    Type: Grant
    Filed: May 30, 1996
    Date of Patent: November 3, 1998
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tomoko Morita, Naoji Okumura, Masahiro Tani
  • Patent number: 5828421
    Abstract: An implementation efficient video decoder suitable for use as a picture in picture decoder is described. In one embodiment, the video decoder receives primary and secondary bitstreams with the secondary bitstream including the video data intended to be displayed as inset pictures. The decoder uses many of the same circuit components on a time shared basis to decode both the main and inset pictures reducing the amount of circuitry required to implement the decoder. In one embodiment a preparser discards the majority of DCT coefficients in the secondary bitstream and the remaining data is variable length decoded and then variable length encoded using a non-MPEG compliant coding scheme prior to storing the inset picture data in a coded data buffer. Re-encoding of the selected inset picture data in this manner greatly reduces data storage requirements and simplifies the circuitry required to subsequently decode the inset picture data.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: October 27, 1998
    Assignee: Hitachi America, Ltd.
    Inventors: Jill MacDonald Boyce, Larry Pearlstein, Frank Anton Lane
  • Patent number: 5818541
    Abstract: When a program-scanning is executed, the scanning picture is displayed such that contents of the image can be reliably recognized while an image of the program that has been displayed so far is displayed on the picture screen. A television receiver has a function to display a sub-picture smaller than a main picture. When the television receiver enters a program-scanning mode, a broadcasting program or an image source whose image has been displayed on the whole picture screen of a display or whose image has been displayed as a main picture (41) is displayed on a sub-picture screen (42). Image of a plurality of broadcasting programs which result from changing the tuning state in the tuner are sequentially displayed on the main picture (41), thereby executing the program-scanning.
    Type: Grant
    Filed: September 6, 1996
    Date of Patent: October 6, 1998
    Assignee: Sony Corporation
    Inventors: Chifumi Matsuura, Haruko Kono, Kazuya Shimomura
  • Patent number: 5815216
    Abstract: A display device displays first and second video signals on a double-picture type screen. The device comprises a double window processing unit, a microcomputer, an information processing unit, a compressor, first through fourth switches, and a display unit. The double window processing unit processes the first and second video signals and outputs a television video signal and first synchronization signals. The microcomputer controls the double window processing unit and outputs first and second switching signals. The information processing unit receives data from a value added network, outputs a corresponding information video signal, generates second synchronization signals, and outputs third and fourth switching signals. The compressor receives an external video signal, generates a corresponding compressed is video signal, and outputs third synchronization signals. The first and fourth switches selectively output the first, second, or third synchronization signals as selected synchronization signals.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: September 29, 1998
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Moon-hwan Suh
  • Patent number: 5801788
    Abstract: A video display apparatus comprising a memory of fields for plural images, a device for judging whether even-number field or odd-number field, and a frame synchronizing device for reading and selecting fields, in which, if the input has one type of field only, these plural images are displayed simultaneously while keeping correct interlacing.
    Type: Grant
    Filed: September 6, 1996
    Date of Patent: September 1, 1998
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Eiichi Ashida, Kinya Kanno, Shoichi Goto
  • Patent number: 5801785
    Abstract: Disclosed is a method and apparatus for processing two analog composite video signals to be displayed to a human observer. The system includes at least a first and a second video source for generating first and second analog composite video signals respectively, and a selector coupled to the first and second video sources. The selector is operative to supply either the first or second analog composite video signal to one input of a video processor and independently and simultaneously supply either the first or second analog composite video signal to a second input of the video processor. The video processor is operative under control of a CPU to generate an output analog composite video signal comprised of a portion of the analog composite video signal supplied to the video processor's first input and a portion of the analog composite video signal supplied to the video processor's second input.
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: September 1, 1998
    Assignee: International Business Machines Corporation
    Inventors: Dwayne Thomas Crump, Jonathan James Hurd, Steven Taylor Pancoast, Thomas K. Worthington
  • Patent number: 5796442
    Abstract: A television system 106 and display method for receiving and displaying television broadcasts having various formats. The television system resizes (106) the various received image formats for display on a common display device. Images are resized horizontally by altering the rate at which data is sampled by the television (106). Images are resized vertically by using vertical scaling algorithms which alter the number of lines in an image. Format detection may be done automatically by decoding information contained in the vertical interval of the television broadcast signal, or by counting the number of lines in each frame. The input format may be indicated by a viewer.
    Type: Grant
    Filed: November 2, 1994
    Date of Patent: August 18, 1998
    Assignee: Texas Instruments Incorporated
    Inventors: Robert J. Gove, John R. Reder, Scott D. Heimbuch, Vishal Markandey, Stephen W. Marshall
  • Patent number: 5790204
    Abstract: A television set having more than one tuner and a multi-image displaying feature which controls the location of images on the television screen such that the characters and graphics transmitted in the form of teletext/data transmission signals or supplementary programs are displayed in predetermined locations of the screen to avoid confusion with the conventional television program. The first video signal from a first video tuner is fed through a video processing circuit to a teletext/data transmission decoder, which decodes the transmission or supplementary program. The data transmission or supplementary program is synthesized with the video signal to display the conventional television program with the data transmission or supplementary program text or graphics, which are placed at a predetermined location on the display screen. The second video signal from a second video tuner is fed through a video processing circuit to a data transmission or supplementary program detector.
    Type: Grant
    Filed: September 26, 1996
    Date of Patent: August 4, 1998
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Koichi Yamaguchi
  • Patent number: 5786869
    Abstract: An automatic channel searching method for a picture-in-picture type television receiver which automatically searches other channel broadcasting signals and displays the searched channel broadcasting signal on a sub-channel region of a display screen when the present viewing channel program is almost completed or a new channel broadcasting program starts, thereby providing convenience for the user's channel selection. According to the channel searching method, broadcasting program information signal is detected from an input channel broadcasting signal, if it is determined according to the detected information signal whether or not a newly starting broadcasting program of a corresponding channel is displayed on the sub-channel region.
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: July 28, 1998
    Assignee: LG Electronics Inc.
    Inventors: Woon Kil Baek, Han Sun Sung
  • Patent number: 5777685
    Abstract: An arrangement for reproducing a composite blanking or sync signal includes a vertical deflection circuit having a supply boost stage. A first pulse voltage at a vertical rate is derived from an output signal of the boost stage. The vertical rate, first pulse voltage is coupled to a base terminal of an emitter follower via a voltage divider for producing a leading edge of an output pulse voltage of the emitter follower. The vertical rate first pulse voltage is also coupled via an R-C network to a regenerative switch. The regenerative switch is coupled to the base terminal of the emitter follower for producing a trailing edge of the output pulse voltage of the emitter follower. The trailing edge is produced after a predetermined interval has elapsed from the leading edge. The output pulse voltage of the emitter follower is combined with a horizontal rate pulse voltage for producing the composite sync signal.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: July 7, 1998
    Assignee: Thomson Consumer Electronics, Inc.
    Inventor: James Albert Wilber
  • Patent number: 5754253
    Abstract: An apparatus for generating a plurality of picture-in-picture/picture-out-picture (PIP/POP) screens, capable of achieving a fast tuning for a plurality of channels. In accordance with the invention, automatic gain control data associated with each channel is stored in a tuning memory upon an initialization thereof. Video data stored in a buffer video memory is displayed and stored in a main video memory. Write and read operations of these video memory are controlled in a handshake fashion using a flag. Upon a channel change, previously stored automatic gain control data and tuning frequency are used, thereby achieving a fast tuning. The apparatus of the invention can provide fast quasi-moving PIP/POP screens.
    Type: Grant
    Filed: July 16, 1997
    Date of Patent: May 19, 1998
    Assignee: LG Electronics Inc.
    Inventor: Jun Yung Lee
  • Patent number: 5754230
    Abstract: The present invention is directed to a video camera in which a field of vision can be confirmed with ease when a cameraman takes a picture. An image signal from a zoom (variable power) lens (1) is developed at an output terminal (7). A signal from a wide angle lens (8) having a field angle which is substantially equal to or larger than the largest field angle of the variable power lens is supplied to a field memory (14). A read-out clock signal from a timing generator (15) is supplied to an address counter (16) and a read-out address thus formed thereby is supplied to the field memory (14). A signal read-out from the field memory (14) and a signal from the zoom (variable power) lens (1) are supplied to a switch (17), in which they are selectively synthesized in response to a read-out position signal from the timing generator (15). Then, a signal from the switch (17) is developed at an output terminal (19) from which an image signal is supplied to a viewfinder.
    Type: Grant
    Filed: September 28, 1995
    Date of Patent: May 19, 1998
    Assignee: Sony Corporation
    Inventor: Masaaki Tsuruta
  • Patent number: 5751371
    Abstract: A picture receiving apparatus wherein a received video signal is converted into digital video data which is further compressed before being recorded on a minidisk set in a disk mounting unit along with caption information superimposed on the video signal and index information is recorded. A remote commander is used to select a desired item from index information displayed on a display screen. Pictures of the selected item are displayed on a child screen and caption information associated with the pictures is displayed in a caption display area.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: May 12, 1998
    Assignee: Sony Corporation
    Inventor: Peter Shintani
  • Patent number: 5734436
    Abstract: The signals received by tuners are processed respectively by video processing circuits and fed to a synthesizing circuit by way of compression circuits so that the images of the signals are displayed respectively on left and right side sections of the screen of a display unit. The characters and graphics from a teletext/data transmission decoder are synthetically combined with the portions of the images of the video signals for blank zones of the screen by the synthesizing circuit. The characters and graphics transmitted through a data channel are displayed clearly to the viewer by an ingenious technique devised for displaying characters and graphics of a supplementary program.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: March 31, 1998
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hirotoshi Abe, Michiru Narita
  • Patent number: 5734442
    Abstract: A television chassis is arranged to receive a plug-in PIP module. When the PIP module is not installed, the composite video signal is passed through a chassis emitter follower interface circuit for video processing. The PIP module also includes an emitter follower interface circuit that supplies a composite video signal. When the PIP module is plugged in, it shares a bias resistor with the chassis emitter follower interface circuit and the PIP module interface circuit overrides the chassis interface circuit, thus passing the PIP module video signal for further video processing.
    Type: Grant
    Filed: August 2, 1995
    Date of Patent: March 31, 1998
    Assignee: Zenith Electronics Corporation
    Inventor: Edward Machado
  • Patent number: 5731844
    Abstract: A computer method and system for providing a user with efficient selection of a television program to view or record. The method provides concurrent display of a television schedule with a graphic description and a textual description of the television program currently selected by the user from the displayed television schedule. The displayed television schedule comprises a schedule layout displayed to the user on a screen display. The schedule layout includes a number of program names arranged in an adaptively learned order based on the frequency of the user's previous selections. Each time a program name is selected by the user, the graphic description and the textual description of the television program represented by the selected program name are displayed concurrently with the adaptively ordered schedule layout. Thus, the user can select a television program perceptively and without delay.
    Type: Grant
    Filed: August 13, 1996
    Date of Patent: March 24, 1998
    Assignee: Microsoft Corporation
    Inventors: Adam Christopher Rauch, Gregory Riker, Nathan Paul Myhrvold, Edwin Thorne, III
  • Patent number: 5729300
    Abstract: A double-screen simultaneous viewing circuit for simultaneously displaying two pictures on the main screen of a extra-wide television is provided. The two pictures each have a 4-to-3 aspect ratio and are displayed on left and right subscreens of the main screen. The viewing circuit includes first and second analog-to-digital converters for respectively converting first and second video signals of the two pictures into digital signals. The first and second video signals are respectively converted according to first and second clock signals which have equal frequencies and which are respectively synchronized with synchronizing signals of the first and second video signals. The digital video signals are stored in first and second memories based on the first and second clock signals, and the digital video signals are read from the first and second memories based on a third clock signal.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 17, 1998
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Deok-Yong Ahn
  • Patent number: 5726715
    Abstract: A method and an apparatus for simultaneously displaying two independent video signals are described.
    Type: Grant
    Filed: December 12, 1995
    Date of Patent: March 10, 1998
    Assignee: Sony-Wega Produktions GmbH
    Inventor: Wolfgang Endress
  • Patent number: 5721593
    Abstract: A signal selection circuit is disclosed for use in an intelligence TV. The intelligence TV can display a signal prioritized in the order of a TV OSD signal, a PIP signal, an information signal, and a TV signal. The structure for carrying out this prioritization includes a TV signal processor for processing a TV signal and outputting a TV signal, an information signal processor for outputting an information signal by decoding the received information data from value added networks and for outputting a first switching control signal by recognizing a selection mode, and a PIP signal processor for processing the TV signals as a main picture signal and a sub picture signal and for outputting a PIP signal and a second switching control signal. A TV microcomputer generates an OSD for the operation of the TV. Plural switching devices operate responsively to switching control signals from the TV microcomputer, the information signal processing unit and the PIP signal processor.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: February 24, 1998
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Moon-hwan Suh
  • Patent number: 5719637
    Abstract: A television signal receiver equipped with a picture display controller and adapted for selecting a desired program quickly from a multiplicity of broadcast programs. In response to designation of a browsing mode, many subsidiary pictures are displayed successively under a main picture in a manner to be scrollable in any of predetermined directions. When a desired subsidiary picture is displayed within a cursor, the program being displayed on the relevant subsidiary screen is registered in a bookmark list by actuating a bookmark button switch incorporated in a remote commander. A bookmark is additionally displayed relative to the picture of the program registered in the bookmark list. Then the program thus registered is received and displayed as a main picture in response to an actuation of a jump button switch, whereby any desired one of many broadcast channels can be selectively received with rapidity and certainty.
    Type: Grant
    Filed: October 31, 1995
    Date of Patent: February 17, 1998
    Assignee: Sony Corporation
    Inventors: Yukiko Ohkura, Takashi Otani, Noriko Kotabe, Hiroyuki Hanaya, Kazumasa Okumura, Akira Yamazaki, Tomoko Shudo
  • Patent number: 5715014
    Abstract: An integrated circuit (22) processes baseband video signals to produce a picture-in-picture (PIP) channel for a video monitor (26). A discretionary control circuit (64) on the integrated circuit monitors parental discretionary control data on a predetermined horizontal line (21) of the baseband video signal. The discretionary control data is a value that represents the amount and degree of sex and violence in the presently viewed program. The parent or responsible party stores a threshold value in a television control circuit. The discretionary control circuit compares the discretionary control data to the threshold value. If the discretionary control data is less than the selectable threshold, then the PIP channel is displayed. If the discretionary control data is greater than the selectable threshold, then the PIP channel is blanked.
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: February 3, 1998
    Assignee: Motorola, Inc.
    Inventors: Geoffrey W. Perkins, Robert NMI DeFrancesco, Paul P. Tighe
  • Patent number: 5699125
    Abstract: A method and device for receiving and storing an electronic television (TV) program guide. In a satellite, cable or broadcast TV system, electronic TV program guides may be coded into the video signals received by the TV receiver. Many currently available TV receivers also allow users to program a list of "select-channels." When the receiver is in its select-channel mode, the receiver only tunes to the channels the user stored in the list of select channels. The present invention limits the memory and processing power required to store an electronic TV program guide by only storing program guide information associated with the channels stored by the user in connection with the select-channels function of the receiver. In receivers having a second tuner, the second tuner may be used to automatically update the stored program guide.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: December 16, 1997
    Assignee: Matsushita Electric Corporation of America
    Inventors: Theodore S. Rzeszewski, Tobin L. Gimber
  • Patent number: 5680177
    Abstract: A multi-screen television receiver which can display first and second video signals on a picture tube as a main picture screen and a sub-picture screen adjacent to each other, includes a video input switching circuit for selectively outputting a first input video signal associated with the main picture screen and a second input video signal associated with the sub-picture screen from a plurality of video signals, first and second video processing systems for the main picture and sub-picture screens for processing the luminance and the color of the first and second video signals from the video input switching circuit, first and second scaling-down arrangements for scaling down the pictures of the output signals of the first and second video processing systems to the sizes of the main picture and sub-picture screens, a combiner for combining selected output signals from the first and second processing systems to supply the combined signal to the picture tube, an encoder for encoding the combined signal from the
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: October 21, 1997
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Hirotoshi Abe
  • Patent number: 5675391
    Abstract: The invention is subjected for a television receiver which is capable of simultaneously displaying a picture signal by at least first and second picture images on a cathode ray tube and including means for generating the first and second picture signal, a superimposer for selectively supplying the first and second picture signal to the cathode ray tube, an APL detector for receiving the first and second picture signals to detect respective average picture levels of the first and second picture signals respectively thus producing first and second level detection signals, an ABL detector for generating a detection voltage responsive to a variation in an anode current of the cathode ray tube, and control means for controlling at least one of contrasts and brightnesses of the first end second picture signals by commonly operating on the first and second picture signals in response to the detection voltage from the ABL detector as well as for independently controlling at least one of contrasts and brightnesses of
    Type: Grant
    Filed: March 23, 1995
    Date of Patent: October 7, 1997
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Koichi Yamaguchi, Teturou Onda
  • Patent number: 5673079
    Abstract: In the terminal A, the input image "ABC" is displayed in a window 200A, with a rectangular frame 206A indicating the area of transmission. The image in the transmission area is enlarged, and transmitted to the terminal B after compression. In the terminal B, the input image "efghij" is displayed in a window 200B, with a rectangular frame 206B indicating the area of transmission. The image in the transmission area is enlarged, and transmitted to the terminal A after compression. In the terminal A, the image in a selected area (display area) of the received image is displayed in a window 202A. Also a window 204A displays the position and size of the display area within the entire received image. The transmission area of the input image and the display area of the received image can be enlarged, reduced or displaced.
    Type: Grant
    Filed: May 19, 1994
    Date of Patent: September 30, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventor: Makoto Satoh
  • Patent number: 5671019
    Abstract: A display apparatus for displaying a partial-screen image within a full-screen image includes a change-over switch for exchanging the video signals for the full-screen and partial-screen displays. When only the full-screen image is displayed, character information corresponding to the full-screen image can be turned on or off. When both the full-screen image and the partial-screen image are displayed, a cyclic operation can be performed under control of a controller. The cycle includes: 1) turning on the display of character information corresponding to the full-screen image, 2) turning on the display of character information corresponding to the partial-screen image, and 3) turning off the display of character information. The display apparatus is also capable of turning on the display of character information corresponding to the full-screen image when a mute of sound is turned on and turning off the display of character information when the mute of sound is subsequently turned off.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: September 23, 1997
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Youichi Isoe, Tatsuo Morishita
  • Patent number: 5657092
    Abstract: A HDTV system having a PIP function for implementing a PIP image by reconstructing an intraframe image with low resolution, includes a first tuner & channel decoder for receiving a video signal for a PIP via an antenna, a first depacketizer for receiving a signal generated in the first tuning & channel decoder and separating and outputting the same, a second tuning & channel decoder for receiving a video signal for a main screen via an antenna, a second depacketizer for receiving a signal generated in the second tuner & channel decoder and separating and outputting the same, a PIP decoder for receiving the video bit stream of the first depacketizer to reconstruct only the intraframe into a PIP image, a main video decoder for receiving the video bit stream of the second depacketizer and outputting a main image, a multiplexer for multiplexing the outputs of the PIP decoder and the main image decoder, and a VDP portion for receiving the output of the multiplexer and converting the luminance and chrominance signa
    Type: Grant
    Filed: November 14, 1995
    Date of Patent: August 12, 1997
    Assignee: LG Electronics Inc.
    Inventor: Jin-Gyeong Kim
  • Patent number: 5657076
    Abstract: A security and surveillance system (10) uses a processor (40) to generate an infrared coded signal for performing a specific function. A detector (12) monitors a zone of surveillance (A) and generates an activation signal in response to the detection of an intruder in the zone. The activation signal triggers the processor (40) to generate an infrared coded signal to perform a specific function corresponding to the triggered zone of surveillance (A). In a specific application, a camera switcher (38) transmits an appropriate camera signal to a television monitor (36) and infrared coded signals generated by the processor (40) control and command the television monitor (36) to display the images from the video camera (20) in response to an intruder detection.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: August 12, 1997
    Inventor: Hollis M. Tapp
  • Patent number: 5650827
    Abstract: A display microcomputer displays a menu corresponding to several functions, such as picture-in-picture display and satellite broadcast reception on a mini-viewing screen that is part of the cathode-ray tube picture screen of a television receiver. A remote controller permits selection of different video and audio signal sources and, if the user selects sources that are incompatible or inconsistent, a system controller returns the menu to the condition prior to the incorrect selection. The system controller also controls a display microcomputer in such a way that items on the menu that are inhibited from selection are displayed in halftone. That is, if any inhibited item appears in the menu by a modification of the mode of operation, the display microcomputer is controlled so that the menu is returned to the condition prior to the selection and the inhibited item is displayed in halftone.
    Type: Grant
    Filed: September 10, 1992
    Date of Patent: July 22, 1997
    Assignee: Sony Corporation
    Inventors: Koki Tsumori, Toshihide Hayashi
  • Patent number: 5642157
    Abstract: An electronic endoscope apparatus which is used in combination with another medical diagnosis apparatus for medical diagnosis, includes a monitor for displaying the image based on a video signal from the endoscope or displaying both of the image based on a video signal from the endoscope and the image based on a video signal from the other medical diagnosis apparatus on the same screen, and a display switching controller for receiving the video signal from the other medical diagnosis apparatus and selectively switching the video signal to be displayed on the screen between the video signal from the endoscope and both of the video signals from the endoscope and the other medical diagnosis apparatus to display the image based on the selected video signal.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: June 24, 1997
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Hiroyuki Shibanuma
  • Patent number: 5635987
    Abstract: A teletext information displaying method and the apparatus therefor for a wide-screen television receiver by which both the list and the contents of received teletext pages are displayed on a 16.times.9 A.R. screen, so that a user can easily find desired teletext information without the necessity of individually entering page data for page search. According to the present method and apparatus, teletext page data being received is stored in a first memory, and the list of the stored pages is created and stored in a second memory. The page list and the contents thereof are selectively displayed on a 4.times.3 A.R. region and a remainder region of the 16.times.9 A.R. screen. Also, when the channel is selected, information on the teletext pages having been received and stored and the teletext type are displayed for a predetermined time with a television picture, thereby providing convenience in use.
    Type: Grant
    Filed: June 25, 1996
    Date of Patent: June 3, 1997
    Assignee: Goldstar Co., Ltd.
    Inventors: Man H. Park, Jin H. Cho, Sung Y. Meng
  • Patent number: 5627598
    Abstract: A display apparatus wherein a video signal of a child picture read out at a double speed is inserted accurately with a high resolution into a parent picture of another video signal having a double frequency. Control signals for designating a write area and a read-out area of a four field sequence memory provided for forming a double speed field frequency is formed in accordance with odd/even number field discrimination signals for write and read-out video signals, a vertical synchronizing signal prior to double speed conversion and a double speed synchronizing signal for a parent picture so that, even when the parent picture is scrolled, passing of the read-out side memory area does not take place. Where the parent picture is formed from a video signal of the interlace system by a line double speed, the double speed child picture video signal is delayed, upon reading out in an even-numbered field, by one horizontal scanning period so that lines may be overlapped between the parent and child pictures.
    Type: Grant
    Filed: October 20, 1995
    Date of Patent: May 6, 1997
    Assignee: Sony Corporation
    Inventor: Susumu Tsuchida
  • Patent number: 5625419
    Abstract: A vertical filter circuit for a picture in picture (PIP) display device in a video system such as a television set is capable of vertically filtering image data to be received in accordance with a selected scan mode.
    Type: Grant
    Filed: July 24, 1995
    Date of Patent: April 29, 1997
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Seong-Wook Pyeong
  • Patent number: 5623346
    Abstract: A picture in picture video signal processing circuit does not need an extra synchronization generator because sub picture video signals are synchronized with the main picture video signals by storing decoded sub picture video signals in a memory then reading the decoded sub picture video signals out in response to synchronization signals of the main picture video signal. Further, the memory can be of a lower capacity owing to the fact that the synchronization signals of the sub picture video signal are not stored.
    Type: Grant
    Filed: August 9, 1994
    Date of Patent: April 22, 1997
    Assignee: SamSung Electronics Co., Ltd.
    Inventor: Jum H. Bae
  • Patent number: 5621473
    Abstract: Instant replay is provided in the picture-in-picture portion of the television display without requiring compression and decompression techniques. A string of consecutive fields is received and decimated. A plurality of non-consecutive fields is selected and stored in DRAM. Fields are continuously stored until a user selects to view the last stored frames. The last stored frames are then replayed in the PIP portion of the television.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: April 15, 1997
    Assignee: Philips Electronics North America Corporation
    Inventor: Rae L. Hill
  • Patent number: 5610653
    Abstract: A video method and system for automatically tracking a viewer defined target within a viewer defined window of a video image as the target moves within the video image by selecting a target within a video, producing an identification of the selected target, defining a window within the video, utilizing the identification to automatically maintain the selected target within the window of the video as the selected target shifts within the video, and transmitting the window of the video.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: March 11, 1997
    Inventor: Max Abecassis
  • Patent number: 5610664
    Abstract: A teletext receiver has a television signal input circuit for receiving a television signal including teletext data signals. A teletext signal processor decodes the teletext data signals and obtains teletext data which is stored in a teletext memory. A teletext picture according to the stored teletext data is displayed at half size on one half of a display screen by reading out the teletext data from the memory at twice the speed normally used for displaying the teletext picture on the full screen. The teletext signal processor decodes teletext data for two pages which are displayed on the screen. Pages with numbers are identified in one of the two pages displayed on half the screen of the display, and if any one of these page numbers is selected, the teletext picture of the selected page is displayed on the other half of the screen.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: March 11, 1997
    Assignee: Sony Wega Produktions GmbH
    Inventor: Martin Bobert
  • Patent number: 5606374
    Abstract: A video display, which may be a television receiver with associated set top device, an intelligent television receiver, or a personal computer system enabled for television display, has associated therewith a remote control which controls modification of the visual images displayed. By use of the remote control, a human observer may cause a processor controlling the video display to execute a control program formulated in a particularly concise language and controlling the display of menus and the like. Menus are displayed as overlays onto a live motion video image. A display controller and video reception circuitry cooperating for displaying full motion video visual images occupying substantially the entirety of a viewable screen area and a menu display occupying a minor portion of the screen area and overlying the full motion video visual images.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: February 25, 1997
    Assignee: International Business Machines Corporation
    Inventor: Randal L. Bertram
  • Patent number: 5602597
    Abstract: A video display, which may be a television receiver with associated set top device, an intelligent television receiver, or a personal computer system enabled for television display, has associated therewith a remote control which controls modification of the visual images displayed. By use of the remote control, a human observer may cause a processor controlling the video display to execute a control program formulated in a particularly concise language and controlling the display of menus and the like. Menus are displayed as overlays onto a live motion video image. A display controller and video reception circuitry cooperating for displaying full motion video visual images occupying a minor portion of a viewable screen area and a menu display occupying a major portion of the screen area.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: February 11, 1997
    Assignee: International Business Machines Corporation
    Inventor: Randal L. Bertram
  • Patent number: 5602598
    Abstract: A television receiver selects an audio signal corresponding to one of a plurality of video signals and a caption signal respectively accompanying one of the plurality of video signals. At least one picture and the selected caption are displayed on a screen, the selected sound is output from a speaker. The video, audio and caption may be independently selected.
    Type: Grant
    Filed: October 25, 1995
    Date of Patent: February 11, 1997
    Assignee: Sony Corporation
    Inventor: Peter Shintani
  • Patent number: 5598222
    Abstract: Implementation efficient video decoder for decoding multiple bitstreams to provide picture-in-picture capability in a digital video display device is disclosed. The video decoder includes a full resolution video decoder and a reduced resolution video decoder. The reduced resolution decoder decodes and downsamples video images using the same video memory device used by the full resolution decoder. By using a sufficient amount of downsampling, the amount of memory required to implement the video frame memory and decoder buffer required by the reduced resolution video decoder is reduced to a point where the frame memory and decoder buffer can be implemented using excess memory which is left over from the implementation of the full resolution decoder frame memory and decoder buffer. Accordingly, the present invention avoids or reduces the need to provide additional memory for frame storage when implementing picture-in-picture capability in a digital video display device.
    Type: Grant
    Filed: April 18, 1995
    Date of Patent: January 28, 1997
    Assignee: Hatachi American, Ltd.
    Inventor: Frank A. Lane
  • Patent number: 5565929
    Abstract: An audio-visual control apparatus displays in a picture-in-picture window on a CRT an image corresponding to video signals outputted from one of a plurality of VTRs, making it possible to easily confirm the connection of appliances controlled by a control section, namely appliances connected to a TV set.
    Type: Grant
    Filed: June 22, 1995
    Date of Patent: October 15, 1996
    Assignee: Sony Corporation
    Inventor: Shigeo Tanaka
  • Patent number: 5561472
    Abstract: A general purpose scan converter for converting video signals from one scan rate to another scan rate. The scan converter accepts NTSC, PAL, EGA, VGA, or other inputs in standard video formats and convert them to be displayed on a monitor. Several modes of operation including continuous frame grabbing, grab and hold image, and dynamic scaling are provided. In addition, window sizing and window location options are under user control. The input sources for video may be selected, and a robust voltage controlled oscillator is provided for timing. The converter device operates continuously in real time and provides a high resolution output signal to a monitor.
    Type: Grant
    Filed: November 17, 1994
    Date of Patent: October 1, 1996
    Assignee: RasterOps Corporation
    Inventors: Michael Maietta, David M. Smith
  • Patent number: 5561471
    Abstract: An apparatus and a method for controlling the display of a caption on the screen of a monitor such as a television.
    Type: Grant
    Filed: October 27, 1994
    Date of Patent: October 1, 1996
    Assignee: Goldstar Co., Ltd.
    Inventor: Seong S. Kim
  • Patent number: 5557338
    Abstract: A television receiver system having secondary picture display capability (such as PIP or POP) includes two tuners and signal processing arrangements, and circuitry for receiving a transmitted channel guide. In response to a "BROWSE" command, the receiver maintains the currently-tuned first channel as the source for the main picture, displays text related to a television show on a second channel, activates the secondary picture display circuitry, and tunes the second tuner to the second channel. In this way, the viewer can simultaneously get the benefit of both a text description of the television show on the second channel and view a secondary image of the television show on the second channel, without tuning away from the first channel supplying the main picture.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: September 17, 1996
    Assignee: Thomson Consumer Electronics, Inc.
    Inventors: Kenneth W. Maze, Joseph W. Forler
  • Patent number: 5555026
    Abstract: A video state stabilization apparatus for use in a video display unit for displaying a sub-picture within a main picture. The video state stabilization apparatus receives a main picture ABL control signal, and has a sub-picture beam current detector for generating a sub-picture ABL control signal by receiving a sub-video signal, and using an integrator and a differential amplifier, a switching portion for outputting the sub-picture ABL control signal and the main picture ABL control signal in response to a respective interval of the sub-picture and the main picture, and an adjuster for separately adjusting a brightness of a video signal of the main picture and of the subpicture, so as to make a PIP image with respect to the main picture and the sub-picture according to the ABL control signals output from the switching portions.
    Type: Grant
    Filed: December 7, 1994
    Date of Patent: September 10, 1996
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Kab-keun Lee
  • Patent number: 5548341
    Abstract: A picture in picture (PIP) video signal is applied to a display device via a non-linear processor that is enabled during display of a main picture component and disabled during display of an inset picture component responsive to a PIP identification signal. The non-linear processor is formed in an integrated circuit which includes a pin for connection to a capacitor that stores peak levels of the PIP video signal. The PIP identification signal is subjected to a voltage level translation for varying the pin voltage over a range of values, .DELTA.V, for facilitating ON/OFF operation of the non-linear processor and is applied to a selected plate of the capacitor for varying the pin voltage without substantial alternation of charge stored within the capacitor whereby only a single pin is required for both capacitor storage and on/off control of the non-linear processor and undesirable visual artifacts, such as "trailing contrast bars", are avoided.
    Type: Grant
    Filed: August 5, 1994
    Date of Patent: August 20, 1996
    Assignee: Thomson Consumer Electronics, Inc.
    Inventors: Kristopher A. Klink, Gene K. Sendelweck
  • Patent number: 5543857
    Abstract: A television receiver, includes a graphics generator for generating for display a stylized image of the environment in which the user's physical television receiver is situated. The image includes graphical representations of functions which are available for selection and control by a user, and at least one of which functions affect the display of the video image. In one embodiment of the invention, a video inset-image from a PIP unit is completely surrounded by a graphics image. The PIP image is aligned with the screen of a graphically displayed television receiver to portray an image of a television displaying an received television program. Alternatively, an animated graphics presentation is displayed in the screen area of the graphically-displayed television receiver to simulate live video.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: August 6, 1996
    Assignee: Thomson Consumer Electronics, Inc.
    Inventors: Keith R. Wehmeyer, Robert J. Logan, Robert H. Miller, Sheila R. Augaitis, Aaron H. Dinwiddie
  • Patent number: 5528304
    Abstract: A television receiver has a main, or regular, display; a picture-in-picture display; and an on-screen menu display for adjusting various television operating parameters, including those which are channel or source related, such as channel labeling, source labeling and on-screen program guide operation. When a channel or source related menu is displayed for operation on channel or source related functions, the channel or source operated upon is displayed in the picture-in-picture display and the main display may be blanked to present a more legible background for the menu.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: June 18, 1996
    Assignee: Zenith Electronics Corp.
    Inventors: Sol M. Cherrick, Kevin J. Gaughan