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| Number | Title | Issue Date |
| 6968117 | Multi-image reproducing and recording apparatus with appended information In order to select and designate the appropriate identification information when the multi image representing picture is recorded as a multi image onto a recording medium, a reproducing circuit 20 reproduces a recorded image at a designated track, its reprodu... | 11/22/2005 |
| 6581207 | Information filtering system and method In an information filtering unit connected with user's video equipment by a communications line, a program content analyzing section analyzes the contents of broadcast programs from a broadcasting station in terms of substantial information such as video ... | 06/17/2003 |
| 5523860 | Image transmission apparatus indicating a color type of the color signal transmitted An image transmission apparatus includes circuitry for separating color image information into a plurality of color signals and transmitting the plurality of color signals. An indication device is provided for, in response to the transmission of the plura... | 06/04/1996 |
| 5510906 | Motion picture recording method, motion picture recording medium, and motion picture reproducing apparatus In a motion picture recording method, a motion picture recording medium, and a motion picture reproducing apparatus, picture data composed of a plurality of motion pictures is recorded to be time-successively reproduced. The picture data, composed of a pl... | 04/23/1996 |
| 5233439 | Disk player with improved sound during different speed video reproductions In a disk performance apparatus, an audio signal processor is provided so as to remove the higher components with frequency higher than the prescribed frequency of audio signals included in outputs of a reading device for reading recorded signals of a dis... | 08/03/1993 |
| 5218453 | Optical disc access control apparatus A video disc apparatus including a disc rotating device for rotating an optical video disc at a constant linear velocity, a tracking servo device for causing an optical pickup to tack a recording track on the optical video disc, and a translating device f... | 06/08/1993 |
| 5206740 | Video disk player capable of providing normal image reproduction of an external video signal as well as a video signal stored on a disk A video disk player generates an error control signal according to the difference between write and read addresses, and causes a read clock to be synchronized in phase with a write clock, on the basis of the error control signal upon reception of an exter... | 04/27/1993 |
| 5177729 | Method and apparatus for reading information on information recording medium having track structure A method of and apparatus for reading information, including error correction codes, is disclosed recording information is read out from one track a plurality of times at a reading velocity not lower than at least twice a normal velocity. On the basis of ... | 01/05/1993 |
| 5173784 | Video disc player A video disc player comprises a gray level picture display device for displaying a gray level picture during a track jump and a phase difference detecting circuit for detecting a phase difference between a phase of a horizontal synchronizing signal involv... | 12/22/1992 |
| 5140433 | Noise reduction circuit for reducing video signal noise by mixing current and previous video signal A noise reduction circuit in a recording medium player is disclosed in which the time-axis of a video signal read out from a memory to be used for noise reduction is changed by a shift command signal for changing the time-axis of a video signal in order t... | 08/18/1992 |
| 5121373 | Track jumping method for an optical disk reading head Track jumping in the present system is accomplished by using a two step track jump method which accelerates the tracking actuator toward the desired track at maximum acceleration and then decelerates the tracking actuator at a maximum deceleration so that... | 06/09/1992 |
| 5111305 | Video disk player having CLV format In a video disk player during the scan reproducing mode, a jump of a calculated number of tracks is carried out so that, even when a video disk is recorded according to the constant linear format, it is possible to reproduce a picture in which vertical sy... | 05/05/1992 |
| 5065383 | Tracking servo system adapted to operate with variable track pitch In a tracking servo system for use in a disc player having a pickup, for playing an information recording disc having a recording track, the peak value of the tracking error signal obtained during a track jump operation is detected, and at least one of th... | 11/12/1991 |
| 5056074 | Tracking servo system with a variable equalizing characteristic A tracking servo system for use in a disc player having a pickup, for playing an information recording disc having a recording track, the tracking servo system comprises an equalizing circuit for compensating for the frequency characteristic of the tracki... | 10/08/1991 |
| 5001570 | Multispeed reproducing control apparatus of a video disk player for reproducing at a variety of reproducing speeds from a CLV disk A multispeed reproducing control apparatus of a video disk player for playing CLV disks causes a portion of the information carrying tracks to be scanned and then a track jump operation is performed, this process being repeated to reproduce the recorded v... | 03/19/1991 |
| 4989190 | Apparatus for seeking a track of an optical disk in which information is recorded A track-seeking apparatus for an optical disk drive seeks a target track by counting track crossings according to a track-crossing signal. The track-seeking apparatus also has means for detecting the ID fields on the disk and substituting a simulated trac... | 01/29/1991 |
| 4939712 | Multiple track and reversing address search method for use in a disk player system Address search method for use in a disk player repeatedly performing a track jump operation for jumping over a plurality of recording tracks at one time. The present method changes to a jump state from a locking state in which a tracking servo system of t... | 07/03/1990 |
| 4910722 | Optical information recording and reproducing apparatus The optical information recording and reproducing apparatus of the present invention comprises a detecting device detecting that an optical disc-like recording medium, having a spiral track, has made one rotation. A track jump circuit moves the position o... | 03/20/1990 |
| 4901298 | Track pulse controlled address search method for optical disk player In an optical disk player including a focus servo system for forming a data detection light spot on a recording disk and a tracking servo system for producing a tracking error signal to control the position of the light spot relative to a recording track,... | 02/13/1990 |
| 4887253 | Scanning method and apparatus for performing track jump operations in disk player A disk player and a method for operating a disk player in which the picture scanning speed for both a constant angular velocity disk and a constant linear velocity disk are made constant and independent of the characteristics of the slider which carries t... | 12/12/1989 |
| 4866687 | Optical disc access method and optical disk storage using coarse and fine actuators An optical disk storage access method using a fine and coarse actuators for positioning a light spot to an intended track on the disk, wherein a pulse is generated each time the light spot has traversed a track, the pulses are counted to determine the dis... | 09/12/1989 |
| 4847697 | Reproducing speed control system for a video disk player An apparatus for controlling the reproducing speed for a video disk player in fine speed increments. Every time a vertical synchronizing pulse is delivered the number of tracks to be jumped is determined based on a base speed derived from the integer part... | 07/11/1989 |
| 4817073 | Tracking servo system for an information recording disc player A tracking servo system for use in an information recording disc player including an equalizing circuit for compensating a frequency characteristic of a tracking error signal generated at a pickup of the disc player. The equalizing characteristic of the e... | 03/28/1989 |
| 4811317 | Clock resynchronization after a track jump In an information-bearing disk having, along concentric record tracks, pre-written equally spaced tracking pads which may or may not be aligned radially from one track to another, circuitry serves for improving the response time of a disk drive mechanism ... | 03/07/1989 |
| 4809094 | Method of accessing data recorded on a disk at a high speed Disclosed is a method of accessing data recorded in concentric circular or spiral tracks on a recording disc at high speed. A pickup at a position S on the disc is kicked to a position S' on a track on which an objective address data recorded position O e... | 02/28/1989 |
| 4807206 | Track jump detection system A system for recording or reproducing a signal by focusing and irradiating a light beam on a record carrier from a light source while controlling the light beam to always scan the track on the record carrier is disclosed. A track jump that may occur durin... | 02/21/1989 |
| 4800546 | Optical information record/regenerating apparatus with device for prohibiting movement of optical head There is disclosed an optical information record/regenerating apparatus, provided with an optical system for forming a light spot on an optical information recording medium having plural tracks and a track jump area in the tracks, and an optical head mova... | 01/24/1989 |
| 4796247 | Compact disc (CD) player and method of compensating for tracking jumps To provide for continuity of audio output from a compact disc (CD) player, installed in an environment subject to shock or vibration, for example in a motor vehicle, the CD player includes an extra write-read memory (31), placed in the signal processing p... | 01/03/1989 |
| 4777538 | For stabilizing video image during recorded program changes Image information recorded on a record medium such as a video disk is scanned in a search scan operation and the image information applied to the video screen is muted during time periods when the readout head of the device jumps between respective progra... | 10/11/1988 |
| 4763205 | Method of time axis control in an information recording system for compensation of tracking error caused by track jumping A method for time axis control for performing both coarse and fine time axis adjustment in accordance with relative speeds of a recording disk and a playback unit while the playback unit is recording or reproducing signals on or from the disk, wherein a c... | 08/09/1988 |
| 4761692 | Method and apparatus for data recording disc playback A method and apparatus for playback of a data recording disc which contains a CD area in which a signal such as an audio signal is recorded in digital form and a video area in which a FM-modulated video signal is recorded with a digital audio signal super... | 08/02/1988 |
| 4759006 | Abnormal track skipping detection and control arrangement A track skipping detection and control arrangement for an optical recording and reproducing disc formed with guide tracks for use in an optical information recording and reproducing apparatus. According to the track skipping detection and control arrangem... | 07/19/1988 |
| 4739418 | Information signal recording disc recorded with stereoscopic television signal An information signal recording disc is recorded with a stereoscopic television signal comprising a stereoscopic video signal and audio signals. The disc comprises a spiral track made up of a plurality of track turns, and video signals related to four fie... | 04/19/1988 |
| 4707733 | Information signal recording disc comprising a connected region formed between parallel program recorded and single program recorded regions, and reproducing apparatus therefor An information recording disc has a connecting region formed between a parallel program recorded region containing a plurality of parallel information programs and a single program recorded region containing a single information program which is to be rep... | 11/17/1987 |
| 4701897 | Optical disk apparatus An optical disk apparatus has an optical head for photoelectrically detecting track data and a track jump data component corresponding to an accidental track jump on an optical disk. A circuit is provided wherein the track jump data component is detected ... | 10/20/1987 |
| 4698795 | Tracking servo device A tracking servo device for controlling the relative position in the radial direction of a recorded disc between an information reading point of a pick-up and a recorded track having an improved accuracy in performing track-jumping operations. In accordan... | 10/06/1987 |
| 4698702 | Playback apparatus for rotary recording medium Playback apparatus for a rotary recording medium includes a playback head for sensing signals from a plurality of tracks which are formed on a rotary recording medium in such a manner that the front end of recording operation continues to the last end the... | 10/06/1987 |
| 4616353 | Tracking servo with closed loop gain correction A tracking servo circuit corrects for closed loop gain variations due to wear of the disc, the width of the electrode of the reproducing stylus, etc. The disc contains an information track bounded by servo tracks used to derive a tracking error signal. Th... | 10/07/1986 |
| 4615023 | Beam access apparatus for optical disc system A beam access apparatus for an optical disc system. The apparatus includes a lens position detector for generating a lens position signal indicating a position of the objective lens in a radial direction of the disc with respect to the optical head which ... | 09/30/1986 |
| 4613963 | Tracking-servo device A tracking-servo device is provided with a holding mechanism effective to substantially hold a tracking error signal produced just prior to the opening of the tracking-servo loop during a jump-drive operation, so that any restoration force acting on the t... | 09/23/1986 |
