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| Number | Title | Issue Date |
| 7206366 | System and method for programmably adjusting gain and frequency response in a 10-GigaBit ethernet/fibre channel system Aspects of the invention may provide a method and system for adjusting a gain and/or a frequency response of an input signal for a multimode PHY device. A signal divider may apportion the input signal into a gain adjustment signal and/or an equalization adjustment s... | 04/17/2007 |
| 7200163 | Method of splitting a signal and signal processing circuitry and apparatus utilizing the same A method of splitting a signal (10) into two parts (10″, 10′) is disclosed together with signal processing circuitry (22) for the same. The method comprises the steps of derotating the signal (10) whereby the frequency band of the der... | 04/03/2007 |
| 7126770 | Data processing system having data reproduction independent of data processing High rate writing of data recorded on a CD into a hard disk drive (HDD) is performed while reproducing data read out of the CD at the standard bit rate prescribed for the CD. PCM data corresponding to a playback time of 10 seconds, for example, is read out of a CD a... | 10/24/2006 |
| 7054380 | Embedding a first digital information signal into a second digital information signal for transmission via a transmission medium A transmitter is disclosed for transmitting a first and second digital information signal. Said first digital information signal comprises first frames having at least a first synchronization signal and a data portion stored in them. The transmitter processes the se... | 05/30/2006 |
| 7017065 | System and method for processing information, and recording medium To provide an integrated information processing unit that is capable of producing images and sounds of high quality. It includes a control unit, information processing units, and a merge unit. Each of the information processing units includes a counter for synchroni... | 03/21/2006 |
| 6853652 | Spatial filtering of laser ghosts An optical servo writer system including a laser subsystem to generate a multiplicity of light beams, a lens positioned to receive and focus the light beams and a spatial filter positioned in the system so as to allow a subset of the light beams to pass through the ... | 02/08/2005 |
| 6021281 | Apparatus and method for recording information on a film A recording device for recording film information concerning photography made to each of a plurality of exposure areas on respective recordable areas corresponding to the plurality of exposure areas, includes: a film feeder which feeds the film; a recordi... | 02/01/2000 |
| 5610775 | Recording medium for storing and an apparatus and method for recording a frequency separated video signal During shuttle mode operation in a system for the reproduction and storage of frequency separated video signals, the read head intersects a plurality of tracks corresponding to different fields of the image rather than following complete tracks. According... | 03/11/1997 |
| 5589993 | Digital high definition television video recorder with trick-play features A signal processing system for a high resolution digital video tape recorder (VTR) includes circuitry which processes the high resolution video signal to produce a relatively low resolution video signal which may be recorded on the tape with the high reso... | 12/31/1996 |
| 5579181 | Apparatus for processing reproduced data including two multiplexers the first of which is responsive to reproduced field information Apparatus is described for multiplexing data recorded in a spatially and temporally demultiplexed manner on tape 12 and replayed by a plurality of replay heads A, B, C, D organized in groups, where each group includes a plurality of replay heads A/C, B/C,... | 11/26/1996 |
| 5513051 | Image signal recording and reproducing apparatus having a quasi-fixed head An image signal recording and reproducing apparatus comprises a head array having a plurality of head gaps for recording and reproducing the image; a piezoelectric actuator having a polarization direction and for moving the head array downwards and upward... | 04/30/1996 |
| 5477397 | Digital high definition television receiver with features that facilitate trick-play modes on a digital VCR A high-definition television receiver includes circuitry to decode a received high-definition television signal to produce a digital data stream representing the corresponding high-definition television image. In addition, the receiver includes circuitry ... | 12/19/1995 |
| 5446598 | Signal processing apparatus A signal processing apparatus for recording an audio input signal on a recording medium by time base compressing the signal or reproducing the signal from the recording medium is arranged to limit the high band of the audio input signal before compressing... | 08/29/1995 |
| 5414569 | Magnetic recording apparatus with selective recording of auxiliary audio signal An 8-mm video tape recorder receives a main audio signal which is transmitted as a monaural or stereophonic audio signal, and an auxiliary audio signal (SAP) which is selectively transmitted with the main audio signal, and records the main audio signal as... | 05/09/1995 |
| 5402272 | Digital signal magnetic recording/reproducing apparatus using amplitude phase shift keying and frequency-multiplexing A digital signal magnetic recording/reproducing apparatus subjects a digital signal to a digital amplitude phase shift keying and records and reproduces the modulated signal thus obtained on a magnetic recording medium. Use of the digital amplitude phase ... | 03/28/1995 |
| 5337194 | Method apparatus and method for reproducing a frequency separated video signal stored on a recording medium During shuttle mode operation in a system for the reproduction and storage of frequency separated video signals, the read head intersects a plurality of tracks corresponding to different fields of the image rather than following complete tracks. According... | 08/09/1994 |
| 5132957 | Information signal recording and reproducing system capable of recording an information signal on a medium having a limited recording band width An information signal recording and reproducing system for recording and reproducing an information signal on and from a recording medium comprises a modulation circuit for modulating the information signal to form a modulated signal involving a number of... | 07/21/1992 |
| 5088081 | Method and apparatus for improved disk access In a RAID level 5 disk drive subsystem, one or more additional disk drives, called "reserve" disks are intercoupled to the array of disk drives and a control system is included for storing recovered digital data on the additional disk drive if a sector on... | 02/11/1992 |
| 5027222 | Apparatus for recording audio signals and video signals on a recording medium In an audio and video recording apparatus, a video signal is separated into a luminance signal and a chrominance signal. The luminance signal is separated into low frequency and high frequency components. The high frequency component signal is subjected t... | 06/25/1991 |
| 4813059 | Readback recovery of run length limited codes Run length limited codes, such as (1,7) codes are recovered with a dual channel recovery system in which the high resolution channel normally supplies the output (recovered) signal. The low resolution channel includes a detector, such as a delay device an... | 03/14/1989 |
| 4791495 | Digital signal recording and reproducing system having an interface for dubbing a color television signal in the component form A digital recording and reproducing system wherein luminance signals digitized and converted into the low speed signals and chrominance signals digitized at the time of recording are distributed among a plural number of channels and the signals of the plu... | 12/13/1988 |
| 4757392 | Error compensation by a ramp waveform having a high signal-to-noise ratio A signal processing circuit for a video recording and reproducing apparatus comprises a ramp inserting circuit for inserting a ramp waveform at periodic intervals into a video signal during recording. The ramp waveform varies linearly as a function of tim... | 07/12/1988 |
| 4752840 | Multitrack magnetic recording and reproducing device A multitrack magnetic recording and reproducing device of the type, which converts analog signals into digital signals and records and reproduces such converted data by splitting onto a plurality of tracks, comprises heads for both high and low recording ... | 06/21/1988 |
| 4719520 | Method and apparatus for setting recording current in perpendicular magnetic recording apparatus A method for superimposed recording of a first signal and a second signal with frequency which is less than the frequency for the first signal, in a perpendicular magnetic recording medium by means of a ring-shaped magnetic head. The mutually superimposed... | 01/12/1988 |
| 4660072 | Television signal transmission system A television signal transmission system is improved to be able to transmit a video signal having a frequency band wider than existing transmission frequency bands while maintaining compatibility with existing television systems. On the sending side, a wid... | 04/21/1987 |
| 4641206 | Video signal recording and reproducing apparatus including a noise reduction circuit A video signal recording and reproducing apparatus comprises a circuit for recording an FM recording video signal onto a recording medium, a demodulator for reproducing and demodulating the recorded signal from the recording medium back into the original ... | 02/03/1987 |
| 4549230 | Redundantly and asynchronously recording an information signal In recording an analog signal using two recording heads equally-spaced on a rotating drum, a magnetic tape is wrapped about a guide drum over an angular extent of 90°, so that there are recording periods when a head is tracing the tape and periods when n... | 10/22/1985 |
| 4517609 | Video signal recording apparatus A video signal recording apparatus comprises a guiding mechanism for guiding a magnetic tape, and a main head and a sub-head for scanning and recording a composite video signal throughout a predetermined range of the magnetic tape. The main head and the s... | 05/14/1985 |
| 4517610 | Multichannel signal recovery circuit A dual channel read recovery system having a high resolution channel and a low resolution channel and logic for recovering digital information from the high and low resolution signals from the channels, is improved by the inclusion of a variable delay in ... | 05/14/1985 |
| 4370681 | Gain control circuit for noise reduction system A gain control circuit for an audio signal recorder includes a first transmission path having a variable gain amplifier for compressing an audio signal with a first gain characteristic in response to a first control voltage supplied thereto, a second tran... | 01/25/1983 |
| 4348698 | Magnetic devices for changing video recordings A method of changing video recordings with or without audio information on a single video recording/playback unit, comprising reading the originally recorded signals of a first of several tracks on a recording medium and re-recording said signals on the s... | 09/07/1982 |
| 4227221 | PCM Recording apparatus A PCM recording apparatus is disclosed in which digitized left and right channel sample signals each having error detecting bits and a signal indicative of a correlation such as sum or difference of the two samples are recorded on a record medium in a pre... | 10/07/1980 |
| 4222072 | Video player/recorder with non-linear mark length modulation In a video disk system a mark along a record data track is modulated in length to represent multi-bit binary code blocks of a first length (such as three or fout bits) and the player system associated with the disk operates in multi-bit code blocks that a... | 09/09/1980 |
| 4210938 | Method and system for speed-modified reproduction of video signals stored on video recording tape A head wheel is rotated at a predetermined, essentially constant speed within a tape cylinder over which a tape is guided in a spiral path, on which video signal tracks are recorded in inclined track portions. The instantaneous position of the head wheel ... | 07/01/1980 |
| 4183065 | Video recording apparatus which samples and quantizes low frequencies and then groups and records an analog representation thereof Apparatus for directly recording television signals on a magnetic medium strips out sync and blanking information. Low frequency components of the television signals are time compressed, i.e. frequency shifted, and recorded as a substitute for the strippe... | 01/08/1980 |
| 4156256 | Arrangement for the recording and reproduction of wide frequency band video signals Method of recording and reproduction of wide frequency band video signals onto or from a magnetizable recording carrier, carried out by the following means: means for separating of the video frequency signals into first and second signals of lower and upp... | 05/22/1979 |
| 4139867 | Method for fast- and slow-motion reproduction of video signals stored in a succession of parallel tracks on a record medium In order to provide fast- and slow-motion reproduction of video signals a tape is played back at a different velocity, at which the scan traces provide acceptable signals for only a portion of each track at a time, the acceptably picked-up picture lines o... | 02/13/1979 |
| 4104683 | Video recording apparatus Apparatus for directly recording television signals on a magnetic medium strips out sync and blanking information. Low frequency components of the television signals are time-compressed, i.e., frequency shifted, and recorded as a substitute for the stripp... | 08/01/1978 |
| 4074325 | System for sensing the peaks of an output from a magnetic head For sensing the peaks of an electric signal reconverted by a magnetic head from a digital signal stored on a magnetic tape or other recording media, a half-wave rectifying diode is connected to the magnetic head via an amplifier. The output of the half-wa... | 02/14/1978 |
| 4063290 | Video recording apparatus Apparatus for directly recording television signals on a magnetic medium strips out sync and blanking information. Low frequency components of the television signals are time compressed, i.e. frequency shifted, and recorded as a substitute for the strippe... | 12/13/1977 |
