Patents Examined by Ulysses Weldon
  • Patent number: 5508713
    Abstract: A first picture-display apparatus comprising: a first display device having a screen for and displaying pictures on the screen so that the screen is refreshed at frequent predetermined screen refreshing intervals; a first display-device control device for outputting the displaying data to the first display device at the frequent predetermined screen refreshing intervals; a storing device for storing the displaying data; a displaying-data control device for reading the displaying data stored in the storing device at frequent predetermined screen renewal intervals, the displaying-data control device then outputting the read displaying data to the first display-device control device. The first picture-display apparatus outputs the displaying data to at least one second picture-display apparatus at the frequent predetermined screen renewal intervals.
    Type: Grant
    Filed: March 21, 1995
    Date of Patent: April 16, 1996
    Assignee: Ricoh Company, Ltd.
    Inventor: Fusakichi Okouchi
  • Patent number: 5506598
    Abstract: An active matrix substrate including a plurality of pixels arranged in a matrix manner and a plurality of switching elements connected in series to each of the plurality of pixels, each of the plurality of switching elements having a gate electrode, a gate electrode of at least one of the plurality of switching elements being electrically isolated from those of the other remaining switching elements.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: April 9, 1996
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takayuki Shimada, Toshihiro Yamashita, Yutaka Takafuji
  • Patent number: 5506595
    Abstract: A vehicular display system can project optical images onto different areas on a front windshield in accordance with the effective height of a driver's eyes. The display system includes an image source and a mirror, either of which can be tilted manually and/or automatically. The mirror reflecting an image from the image source onto the inside of the windshield at an angle suitable for reflection toward the driver's eyes and at a height on the windshield fully within the driver's field of view. An electrically controlled seat can provide seat position and inclination signals for use in automatically adjusting the display height. In addition, a memory may hold manually entered display-height information to expedite readjustment of the display height in cases where more than one driver uses the vehicle.
    Type: Grant
    Filed: November 19, 1992
    Date of Patent: April 9, 1996
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Junichi Fukano, Hiroshi Endoh, Shigeru Okabayashi
  • Patent number: 5506600
    Abstract: In a driving apparatus comprising:a. a control for driving matrix electrodes having scanning and information electrodes;b. a counter for counting the number of scanning electrodes to which a scanning selection signal is applied; andc. a control for designating a width of a scanning selection period for every predetermined count value.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: April 9, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akiko Ooki, Akira Tsuboyama, Hiroshi Inoue
  • Patent number: 5504500
    Abstract: A user-configurable computer and pointing device combination and method are disclosed. The user establishes a relationship between a direction of rotation of the ball and direction of movement of the cursor on the screen. This relationship is stored by the computer to maintain a consistency between the direction of rotation of the ball and the direction of movement of the cursor on the screen. Accordingly, the user is able to establish the relationship between the screen coordinate system and his hand coordinate system. Advantageously, a left-handed user may establish a coordinate system based on left-handed use while a right-handed user may re-establish the coordinate system based on right-handed use.
    Type: Grant
    Filed: March 11, 1992
    Date of Patent: April 2, 1996
    Assignee: Microsoft Corporation
    Inventors: Charlie Garthwaite, Nathan Williams
  • Patent number: 5502458
    Abstract: Faithful color images are created in an efficient manner for display on a specific computer display. A standard computer system generates a palette calibration table, based on information about a standard display. The standard computer system then creates a device independent image from the palette calibration table and from an original image. The palette calibration table and device independent image are then transmitted to a specific computer system. The specific computer system receives the palette calibration table and device independent image from the standard computer system. It calculates a display specific palette from the palette calibration table and from information about the specific display. The specific computer system then generates the faithful color image for display by sending the device independent image and the display specific palette to the display adapter in the specific computer system.
    Type: Grant
    Filed: November 10, 1992
    Date of Patent: March 26, 1996
    Assignee: International Business Machines Corporation
    Inventors: Gordon W. Braudaway, Helen R. Delp
  • Patent number: 5500654
    Abstract: A screen CRTC generates a sync signal or the like for controlling a screen area of 1024.times.768 pixels in accordance with a screen parameter, and a window CRTC controls a display of a window area in accordance with a window parameter. When the display start position of the window is detected by the screen CRTC, display control of the window area performed by the window CRTC is started, thereby sequentially reading VGA data from the start address of a VRAM and converting the VGA data into video data. This video data is supplied to a display monitor during the display period of the window area, thereby displaying the video data in the window area.
    Type: Grant
    Filed: November 16, 1994
    Date of Patent: March 19, 1996
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Akihisa Fujimoto
  • Patent number: 5497172
    Abstract: A method of implementing pulse-width modulated image display systems (10, 20) with a spatial light modulator (SLM) (15) configured for split-reset addressing. Display frame periods are divided into time slices. Each frame of data is divided into bit-planes, each bit-plane having one bit of data for each pixel element and representing a bit weight of the intensity value to be displayed by that pixel element. Each bit-plane has a display time corresponding to a number of time slices, with bit-planes of higher bit weights being displayed for more time slices. The bit-planes are further formatted into reset groups, each reset group corresponding to a reset group of the SLM (15). The display times for reset groups of more significant bits are segmented so that the data can be displayed in segments rather than for a continuous time. During loading, segments of corresponding bit-planes are temporally aligned from one reset group to the next.
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: March 5, 1996
    Assignee: Texas Instruments Incorporated
    Inventors: Donald B. Doherty, Robert J. Gove, Mark L. Burton, Rodney D. Miller
  • Patent number: 5495267
    Abstract: In a control system for a screen display for displaying characters or patterns on a display by reading font data from storage means for storing font data for characters, symbols and the like according to outside data, and capable of scrolling these display contents over a scroll section having a fixed width in both vertical and horizontal directions, to display the display contents in such a way that they appear or disappear from a predetermined position, output to the display is inhibited in a predetermined section on one side of the scroll section by an display control data output inhibition circuit.
    Type: Grant
    Filed: August 5, 1994
    Date of Patent: February 27, 1996
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Shigeaki Fujitaka
  • Patent number: 5495265
    Abstract: The response rate of a liquid crystal display device is increased in that capacitive variations in the liquid crystal mixture caused by a different drive voltage or varying capacitances in drive transistors are taken into account in advance. If necessary, the required corrections are performed with a microprocessor, but they are preferably stored in advance in a look-up table.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: February 27, 1996
    Assignee: U.S. Philips Corporation
    Inventors: Robert A. Hartman, Alan G. Knapp
  • Patent number: 5491492
    Abstract: A method and apparatus for determining the position of each eye of a human operator (12) with respect to a fixed reference point or with respect to each other by using electro-oculogram signals produced by eye movement. Human operator (12) wears sensor assembly (10) which includes a plurality of sensors (14) which are arranged to monitor right and left, as well as horizontal and vertical eye movement. The sensed electro-oculogram signals are processed by a microprocessor (60) into separate positional signals representing upward movement, downward movement, movement to the left, movement to the right, convergence, and divergence. These positional signals are used to control three dimensional imagery on a computer, video game, or other apparatus to be controlled, or for strabismus measurement and diagnosis.
    Type: Grant
    Filed: January 12, 1994
    Date of Patent: February 13, 1996
    Assignee: Biocontrol Systems, Inc.
    Inventors: R. Benjamin Knapp, Lisa E. Hake, Hugh S. Lusted
  • Patent number: 5491494
    Abstract: A pick correlation method, comprises the steps of displaying a pick marker on a display screen; directing the pick marker at an image on the display screen, the image comprising at least one line primitive, and the pick marker having a pick window corresponding thereto; subjecting the at least one line primitive to a trivial test, whereby the at least one line primitive can be trivially tested by the trivial test if the at least one line primitive has both of its end-points outside of the same extended edge of the rectangular shaped pick window and, if successfully tested by the trivial test, accepting or rejecting the at least one line primitive in accordance with the results of the trivial test; and if the at least one line primitive cannot be trivially tested, subjecting the at least one line primitive to a non-trivial test which does not require performing floating point operations, and accepting or rejecting the at least one line primitive in accordance with the results of the non-trivial test.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: February 13, 1996
    Assignee: International Business Machines Corporation
    Inventors: Kevin B. Cornett, Edward F. Mark
  • Patent number: 5491495
    Abstract: A computer system hating a digitizing tablet overlaying the display screen. The tablet serves as a user's primary input device. Various features of the system make it possible for the user to run and interact with standard programs designed for keystroke and mouse input and not designed for use with a tablet. In addition to the main processor, on which the user's programs are executed, there is an interface processor. In addition to a standard display buffer, there is an ink plane buffer for interface display data that is combined with the data from the standard display buffer on a pixel-by-pixel basis according to data from a mask plane buffer. The interface processor manages input from the tablet, presents feedback to the user by means of the ink and mask planes, and provides keystroke and mouse data to the main processor as if from a standard keyboard controller. The interface processor presents the user with a collection of simulated devices, including standard devices such as a keyboard and a mouse.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: February 13, 1996
    Assignee: Wang Laboratories, Inc.
    Inventors: Jean R. Ward, David M. Barrett, Patricia A. Martin, Christopher D. Mokoski
  • Patent number: 5489815
    Abstract: Flat-panel type picture display device having a face plate with a luminescent screen at the inner side and, arranged at a short distance therefrom, a rear plate adjoined by a large number of electron transport ducts operating by means of wall interaction of electrons. An active selection structure for directing electrons from transport ducts towards pixels on the luminescent screen comprises an apertured preselection plate and an apertured fine-selection plate, each preselection aperture being associated with at least two fine-selection apertures. Special auxiliary (or dummy) electrodes between the preselection plate and the selection plate, and/or a special geometry of the preselection apertures, ensure that color purity and contrast are maximal.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: February 6, 1996
    Assignee: U.S. Philips Corporation
    Inventors: Gerardus G. P. Van Gorkom, Siebe T. De Zwart, Petrus H. F. Trompenaars, Nicolaas Lambert
  • Patent number: 5489917
    Abstract: A liquid crystal display apparatus in normally-white mode in which gray scale display is obtained by providing different applied voltages corresponding to different gray scale levels, respectively, characterized in that in a curve showing the relationship between the applied voltage and light transmittance, the lowest applied voltage is set so as to be shifted in the direction of a monotonically decreasing region of the curve. The display simultaneously provides both good contrast ratios and good gradation at large viewing angles, and gray scale is not inverted.
    Type: Grant
    Filed: May 26, 1994
    Date of Patent: February 6, 1996
    Assignee: International Business Machines Corporation
    Inventors: Mitsuru Ikezaki, Shunji Suzuki, Hideo Takano
  • Patent number: 5489895
    Abstract: An image communicating apparatus having a key or other device to stop an operation in progress. The apparatus is preferably capable of performing several operations at the same time, and has a stop control which permits an operator to stop only a selected operation from among several which may be going on when the stop device is actuated. The selection is performed, e.g., on the basis of a predetermined stop priority, which may be settable by the operator. The identity of (and if desired other information regarding) the operation to be stopped may be communicated to the operator, e.g., via a display, and the operator may be given an opportunity to confirm that the correct operation is stopped. Also, according to another version of the invention, actuation of the key or other device may stop all on-going operations except for any which have been selected to be exempt from stoppage.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: February 6, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoyuki Haganuma
  • Patent number: 5489922
    Abstract: A computer interface system that is worn on the middle fingers of both hands of the computer operator for controlling cursor movement is disclosed. The system includes a left and right hand fixed inner ring, the inner rings being of a dimension suitable to be worn on a portion of the middle fingers of the computer operator, and a left and a right rotatable outer ring. The system includes sensing elements disposed between each of the corresponding inner and outer rings for producing horizontal movement signals in response to the rotation of the left outer ring in relation to the left inner ring, and for producing vertical movement signals in response to the rotation of the right outer ring in relation to the right inner ring. The system also includes a pressure sensitive element disposed between corresponding inner and outer rings that produces an entry signal in response to the application of pressure on the outer ring toward the inner ring.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: February 6, 1996
    Assignee: Hewlett-Packard Company
    Inventor: Moshe M. Zloof
  • Patent number: 5488391
    Abstract: The disclosed device comprises an image circuit formed by an image generator, a micro-zone processing unit, a screen interface and an LCD screen. To optimize the performance characteristics of the screen as a function of the angle of observation, the position of the observer is detected (by a detector) and, as a function of this position, the appropriate profile of luminosity of the micro-zones of the screen is selected.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: January 30, 1996
    Assignee: Sextant Avionique
    Inventors: Jean-Jacques Favot, Jean-Pierre Fontan, Jean-Noel Perbet
  • Patent number: 5488386
    Abstract: A photoconductive target having a transparent electrode layer and a photoconductive layer on a transparent substrate is disposed opposite to a group of integrated electron beam emitters having gate electrodes. A number of the electron emitters are activated to apply electron beams to the photoconductive target and the activated ones of the electron beam emitters are temporally changed over by an electron emitter selector circuit and a gate selector circuit. Signal charge generated and stored in the photoconductive layer is read. A time-series electric signal corresponding to a spatial distribution of the incident light is generated. A thin imaging apparatus suitable for a larger area is thus provided.
    Type: Grant
    Filed: December 2, 1993
    Date of Patent: January 30, 1996
    Assignee: Hitachi, Ltd. & Nippon Hoso Kyokai
    Inventors: Toshio Yamagishi, Masakazu Nanba, Norifumi Egami, Kenkichi Tanioka, Mitsuhiro Kurashige, Kazutaka Tsuji, Yoshiyuki Kaneko, Tatsuo Makishima, Kazuyuki Nagatsuma, Tetsuya Ohshima, Yasushi Nakano
  • Patent number: 5486845
    Abstract: A lint-free gasket including an absorbent pad and a lint-free netting. The gasket engages a ball within a computer mouse device to substantially reduce amounts of debris, moisture, and oil that adheres to the ball's surface and any lint from that my be released from the gasket's highly absorbent pad from being transmitted by the ball to the plurality of the cursor control rollers or other control contacts within a mouse device.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: January 23, 1996
    Inventor: Abraham I. Chait