Patents Assigned to Pioneer Electronic Corporation
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Patent number: 6553177Abstract: A desired catch-up time at which reproduction started after a start of recording of input information catches up the recording is set. Recording start time, present time and recording end time are detected. A rate of the reproduction necessary to catch up the recording at the set catch-up time is determined recording start time, present time, and recording end time. The recorded information is reproduced at a determined rate until the set catch-up time.Type: GrantFiled: March 19, 1999Date of Patent: April 22, 2003Assignee: Pioneer Electronic CorporationInventors: Yuji Shimizu, Takayoshi Noguchi, Takashi Irisawa, Hidehiro Ishii, Eiji Muramatsu, Ichiro Higuchi
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Patent number: 6549496Abstract: An apparatus records main information and sub information onto an information recording medium, which has a main recording area and a sub recording area. The apparatus is provided with an receiving device that receives the main information input from the external source; an accumulating device that accumulates the main information received by the receiving device; a recording device that records the main information and the sub information to the main recording area and the sub recording area, respectively; and a controller that determines whether or not an amount of the main information accumulated in the accumulating device is smaller than a predetermined amount, and that controls the recording device.Type: GrantFiled: April 11, 2001Date of Patent: April 15, 2003Assignee: Pioneer Electronic CorporationInventors: Kazuo Kuroda, Toshiro Tanikawa, Hidehiro Ishii, Jiro Endo
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Patent number: 6532475Abstract: A map information providing system for providing map data to a terminal device via a data transmission path, includes: a first server, the first server including a first storage unit for storing map data; and a second server connected with the first server and the terminal device via a network, the second server including a second storage unit for storing the map data. The first server includes: a unit for producing map search table which designates at least one of the first storage unit, the second storage unit and a third storage unit in the terminal device, from which certain map data is to be obtained; and a unit for transmitting the produced map searching table to the terminal device to be stored in the terminal device.Type: GrantFiled: May 20, 1999Date of Patent: March 11, 2003Assignees: Increment P Corporation, Pioneer Electronic CorporationInventors: Toshiaki Nakano, Giichi Hayashi
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Patent number: 6527904Abstract: The method of producing a two-disc laminated optical video disc, includes first forming, on a first substrate, a first reflecting film capable of partially reflecting and partially transmitting a laser beam. Next on a second substrate, a second reflecting film is formed having a reflectance higher than that of the first reflecting film. A liquid ultraviolet-setting resin is applied to the first reflecting film and/or the second reflecting film. The above treated first substrate and the second substrate are bonded together, with a light-transmissible middle layer interposed therebetween. The liquid ultraviolet-setting resin is solidified by means of an ultraviolet light directed from below the first substrate.Type: GrantFiled: September 11, 1998Date of Patent: March 4, 2003Assignees: Pioneer Electronic Corporation, Pioneer Video CorporationInventors: Haruhisa Maruyama, Masayuki Uno, Hirotoshi Tabuchi, Jiro Fujimori, Masaaki Motokawa
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Publication number: 20030039186Abstract: An information recording apparatus capable of smoothly reproducing in succession written data and data additionally written subsequent to the written data on a recording medium without disturbing a synchronization operation for read data during reproduction of information. The apparatus comprises a writing clock generating circuit for generating a writing clock signal for writing the new data into a recording medium while establishing synchronization with new data; a clock reproducing circuit for reading the written data from the recording medium, and reproducing a synchronization clock signal of the written data to generate a reproduced clock signal; and a phase adjusting circuit for synchronizing the phase of the writing clock signal with the phase of the reproduced clock signal.Type: ApplicationFiled: August 29, 2002Publication date: February 27, 2003Applicant: Pioneer Electronic CorporationInventor: Kazuo Kuroda
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Patent number: 6526285Abstract: An information presentation system is provided with: a data server for providing a predetermined kind of information data classified into a plurality of preset data groups through a communication line; and a portable communication terminal apparatus connectable through the communication line to the data server. The portable communication terminal apparatus is provided with: a connecting device for connecting the portable communication terminal apparatus to the data server through the communication line; an input device for inputting or specifying a desirable code from among a plurality of data group codes each indicating respective one of the preset data groups; and a terminal side transmitting device for transmitting the inputted or specified code through the communication line to the data server.Type: GrantFiled: November 9, 2000Date of Patent: February 25, 2003Assignee: Pioneer Electronic CorporationInventors: Kanya Matsumoto, Yoshiharu Ueki, Shozaburo Sakaguchi, Masahiro Sui
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Patent number: 6525470Abstract: A plasma display panel has a pair of substrates, a pair of opposed row electrodes disposed adjacently to the display side substrate interposed by a discharge gap, and a dielectric layer covering the row electrodes. The dielectric layer is formed except in the discharge space, thereby forming a vacant space or groove in the discharge gap.Type: GrantFiled: April 2, 1999Date of Patent: February 25, 2003Assignee: Pioneer Electronic CorporationInventor: Kimio Amemiya
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Patent number: 6522608Abstract: An information recording apparatus capable of smoothly reproducing in succession written data and data additionally written subsequent to the written data on a recording medium without disturbing a synchronization operation for read data during reproduction of information. The apparatus comprises a writing clock generating circuit for generating a writing clock signal for writing the new data into a recording medium while establishing synchronization with new data; a clock reproducing circuit for reading the written data from the recording medium, and reproducing a synchronization clock signal of the written data to generate a reproduced clock signal; and a phase adjusting circuit for synchronizing the phase of the writing clock signal with the phase of the reproduced clock signal.Type: GrantFiled: January 8, 1999Date of Patent: February 18, 2003Assignee: Pioneer Electronic CorporationInventor: Kazuo Kuroda
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Patent number: 6522615Abstract: A disk player has a disk cartridge for being loaded thereon, and accommodating a disk-type recording medium. The disk cartridge has a shutter arranged thereon, for performing slide-opening/closing in order to expose an information surface of the disk-type recording medium. The disk player includes a carrier mechanism for carrying the disk cartridge to an information regenerating location and an information recording location, and a shutter sliding mechanism for slide-opening/closing the shutter. The shutter assumes an intermediate position of sliding when the disk cartridge is located at one of the information regenerating location and. the information recording location, and assumes a terminal position of sliding when the shutter is located at the other one of the locations. The disk player also includes a driving mechanism including an engaging element and an engaged element which is separated from the engaging element when the information recording mechanism is not driven.Type: GrantFiled: January 2, 2001Date of Patent: February 18, 2003Assignee: Pioneer Electronic CorporationInventors: Yoshihiro Seshime, Yuji Ikedo, Masashi Kurosawa, Masamitsu Ohkawara, Yoshihiro Ichikawa, Yuji Morita
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Publication number: 20030031101Abstract: An information recording apparatus capable of smoothly reproducing in succession written data and data additionally written subsequent to the written data on a recording medium without disturbing a synchronization operation for read data during reproduction of information. The apparatus comprises a writing clock generating circuit for generating a writing clock signal for writing the new data into a recording medium while establishing synchronization with new data; a clock reproducing circuit for reading the written data from the recording medium, and reproducing a synchronization clock signal of the written data to generate a reproduced clock signal; and a phase adjusting circuit for synchronizing the phase of the writing clock signal with the phase of the reproduced clock signal.Type: ApplicationFiled: August 29, 2002Publication date: February 13, 2003Applicant: Pioneer Electronic CorporationInventor: Kazuo Kuroda
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Patent number: 6518555Abstract: A polarization hologram lens includes: a first portion, positioned at a center of the hologram lens, on which no grating pattern is formed; and a second portion, positioned at an outer circumferential area of the first portion, on which grating patterns are formed, wherein the grating patterns do not diffract a light beam of a first polarization direction, and wherein the grating patterns diffract a light beam of a second polarization direction perpendicular to the first polarization direction to produce a diverging diffracted light or a converging diffracted light.Type: GrantFiled: March 17, 1999Date of Patent: February 11, 2003Assignee: Pioneer Electronic CorporationInventors: Ikuya Kikuchi, Yoshitsugu Araki
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Patent number: 6519630Abstract: A method of transmitting and receiving an electronic mail includes the steps of: transmitting the electronic mail from a sender terminal to a receiver terminal, and receiving the electronic mail at the receiver terminal. The transmitting step includes the steps of producing the electronic mail including character codes of characters constituting a mail document, at least one conversion program for converting the characters to be displayed in a dynamic manner and an address of the receiver terminal, and transmitting the electronic mail.Type: GrantFiled: May 10, 1999Date of Patent: February 11, 2003Assignees: Pioneer Electronic Corporation, Increment P CorporationInventor: Takeshi Hanawa
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Patent number: 6512724Abstract: An optical recording and reproducing apparatus includes: a pickup for obtaining an information signal from reflected light when light is irradiated to and reflected on a successively writing type optical recording medium; an RF signal detector for obtaining an RF signal from a reflected light signal supplied from the pickup; a final recording unit extractor for extracting a final recording unit from RF signal, the final recording unit being contained in RF signal; a timer for measuring a period of time from a head of a data block right after the final recording unit to a point of time at which RF signal is not detected; a last time final recording position specifying section for specifying a last time final recording position; and a recording error judgment section for judging whether or not a recording error occurred last time.Type: GrantFiled: June 16, 1999Date of Patent: January 28, 2003Assignee: Pioneer Electronic CorporationInventor: Masami Oishi
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Patent number: 6504814Abstract: A writable optical disc has an information writing track, and a guiding track for introducing a laser beam to the information writing track. The guiding track has prepit information recorded thereon, the prepit information including at least address information of the optical disc. The prepit information is recorded on the guiding track at a position where interference of adjacent guiding tracks with the prepit information is prevented. The information writing track is a groove track, and the guiding track is a land track.Type: GrantFiled: December 15, 2000Date of Patent: January 7, 2003Assignee: Pioneer Electronic CorporationInventors: Kazuo Kuroda, Toshio Suzuki, Eiji Muramatsu
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Publication number: 20030002408Abstract: An information recording apparatus capable of smoothly reproducing in succession written data and data additionally written subsequent to the written data on a recording medium without disturbing a synchronization operation for read data during reproduction of information. The apparatus comprises a writing clock generating circuit for generating a writing clock signal for writing the new data into a recording medium while establishing synchronization with new data; a clock reproducing circuit for reading the written data from the recording medium, and reproducing a synchronization clock signal of the written data to generate a reproduced clock signal; and a phase adjusting circuit for synchronizing the phase of the writing clock signal with the phase of the reproduced clock signal.Type: ApplicationFiled: August 29, 2002Publication date: January 2, 2003Applicant: Pioneer Electronic CorporationInventor: Kazuo Kuroda
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Patent number: 6501903Abstract: An information recording apparatus (SS1) is provided with: a signal process device (72) for dividing record information (R) to be recorded into a pluralities partial record informations including at least video information, for applying a predetermined signal process to each of the partial record informations to thereby output processed partial record information (Sr, 42, 43, 44), and for generating and outputting, on the basis of control information (Si) which is inputted from the external to control a reproduction of the record information, additional information (Sac, 64: PGCI) including still time information (66E) indicative of a time for performing a still picture reproduction of a final picture of each of the partial record informations which is a picture included in each of the partial record informations at a final portion thereof after reproducing each of the partial record informations, at a time of reproducing the record information, the still time information being set for each of the partial recType: GrantFiled: August 17, 2000Date of Patent: December 31, 2002Assignees: Pioneer Electronics Corporation, Pioneer LDC, Inc.Inventors: Ryuichiro Yoshimura, Takao Sawabe, Yoshiaki Moriyama, Kaoru Yamamoto, Akihiro Tozaki, Hisayuki Nakayama, Junichi Yoshio
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Patent number: 6500687Abstract: A method for producing a distributed feedback semiconductor laser element includes the steps of forming a laser substrate, forming a ridge by etching the laser substrate, and forming a flattening layer on the ridge. A grating is then formed on the flattening layer and the grating is further transferred to the laser substrate on which the ridge is formed. The flattening layer is removed and electrodes are then formed.Type: GrantFiled: March 27, 1998Date of Patent: December 31, 2002Assignee: Pioneer Electronic CorporationInventors: Kiyoshi Takei, Yoshiaki Watanabe, Nong Chen, Kiyofumi Chikuma
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Publication number: 20020196215Abstract: A light emitting display device having a plurality of light emitting elements connected to intersecting points of a plurality of anode lines and cathode lines arranged in a matrix. Either one of the anode lines and the cathode lines are used as scanning lines, and the others are used as driving lines. While one of the scanning lines is scanned during a scanning period, a driving source is synchronously connected to one of the driving lines so that a light emitting element connected to an intersecting point of the one scanning line and the one driving line is caused to emit light. Immediately after the scanning period of the one scanning line is started, a first driving source is connected to the one driving line, and subsequently, in exchange for the first driving source, a second driving source is connected to the one driving line.Type: ApplicationFiled: August 21, 2002Publication date: December 26, 2002Applicant: PIONEER ELECTRONIC CORPORATIONInventors: Masami Tsuchida, Shinichi Ishizuka
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Publication number: 20020197057Abstract: Image information is reproduced in respectively correspondence to monitors of different aspect ratios as in the NTSC system or HDTV system adaptive type. The image information recorded on a video disc is reproduced. An ID signal held in the video disc is detected. The aspect ratio of the image information to be generated is designated. Only when the aspect ratio indicated by the detected ID signal differs from the designated aspect ratio, the reproduced image information is converted into the image information of the designated aspect ratio. A standardized image signal is produced on the basis of the converted image information.Type: ApplicationFiled: August 30, 2002Publication date: December 26, 2002Applicant: PIONEER ELECTRONIC CORPORATIONInventor: Fumihiko Yokogawa
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Patent number: 6493294Abstract: A disc storage is provided for storing a plurality of trays, each for holding a disc. The trays are stacked in the storage. A movable member is provided to be moved in the vertical direction. A disc player, a tray moving device are mounted on the movable member. The tray moving device is provided to be engaged with trays for moving the trays and for increasing a space between a desired tray and an adjacent disc for receiving disc player, and for decreasing the space during the reproduction of the desired disc.Type: GrantFiled: June 2, 1999Date of Patent: December 10, 2002Assignee: Pioneer Electronic CorporationInventors: Susumu Yoshida, Kenji Uchiyama, Tomomichi Kimura, Kenjiro Ido, Toru Suzuki, Takashi Mizoguchi