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| Number | Title | Issue Date |
| 7801410 | Video transfer system When the picture drops out in a part of video image data transmitted by a video transmitting apparatus, the video transmitting apparatus outputs a command indicating that the scene drops out, together with the video image data, to a video receiving apparatus. In acc... | 09/21/2010 |
| 7340156 | Information storage medium with aggregate attribute information, and apparatus for reproducing the same An information storage medium includes: a plurality of unit audio information to be reproduced independently of each other; aggregate audio information each including one or more of the unit audio information; unit attribute information indicating attributes of the ... | 03/04/2008 |
| 7212726 | System and method of processing MPEG streams for file index insertion A method, apparatus and article of manufacture is provided for automatic insertion of a compressed GOP offset table within a previously encoded MPEG video file, for frame accurate random access of each individual video frame in play-from-offset mode. The method crea... | 05/01/2007 |
| 7106618 | Method of driving a non-volatile memory A method of driving a non-volatile memory which comprises a plurality of memory cells arranged in a two dimensional array, each having a field-effect transistor (1) whose gate and substrate are connected and a variable resistor element (2) comprising a... | 09/12/2006 |
| 7023782 | Dropout detection circuit and optical disc apparatus The dropout detection circuit of the invention includes: a high-speed envelope detection circuit for detecting an envelope of a reflection signal of a light beam with a first time constant; a low-speed envelope detection circuit for detecting an envelope of the refl... | 04/04/2006 |
| 7020799 | Method of and a system to play a media file Systems (112) that can play real-time audio and/or video often have strict timing constraints for reading, processing and playing the data. However, when data is corrupt or sectors from a data carrier (100) are incorrect, the system tries to recover fr... | 03/28/2006 |
| 6934466 | Buzz reduction circuit and TV/VCR combo using the same Buzz reduction circuit for eliminating a vertical period buzz without being influenced by amplifier circuits in an audio signal line. A video signal of a VCR video head is input to a vertical synchronizing signal separating circuit to separate a vertical synchronizi... | 08/23/2005 |
| 6823128 | Signal processing apparatus A signal processing apparatus including a write controller. This write controller specifies a start position of an effective time period of each field, based on an ID signal superimposed over lines 15 to 18 of an odd numbered field video signal and ove... | 11/23/2004 |
| 6564001 | Code multiplexing/reading apparatus for preventing outputting an erroneous code A code multiplexing/reading apparatus includes a first register. Two codes that reside in a predetermined relationship are outputted from the first register, which are superimposed on a video signal to be recorded by operation of switches. Consequently, a... | 05/13/2003 |
| 6525776 | Information compressing apparatus and method An information processing apparatus includes an address generation circuit for generating an address signal. A memory operates for storing an information signal containing a video signal in response to the address signal. The address signal is periodicall... | 02/25/2003 |
| 6185361 | Information signal processing apparatus for detecting both dropout of information signals and absence thereof An information signal processing apparatus is arranged to detect an amplitude level of an input information signal with a first time constant and to obtain a first amplitude level detection signal which corresponds to the amplitude level of the input info... | 02/06/2001 |
| 6157744 | Method and apparatus for detecting a point of change in a moving image A system for detecting a point of change between video shots from a video having a plurality of succeeding frames. The system includes video playback apparatus for playing a video chronologically one frame at a time, and a display for displaying the video... | 12/05/2000 |
| 6148137 | Video tape reproducing apparatus capable of preventing influence of noise-bar A noise-bar period detection circuit detects a noise bar period in response to a low-frequency carrier wave FM signal contained in a signal reproduced by a video head when a video tape is reproduced in a special mode so as to output a noise-bar detection ... | 11/14/2000 |
| 6144798 | Method of and apparatus for editing information recorded on magnetic tape An editing apparatus of relatively small size for editing material information highly efficiently and accurately with simplified processing capabilities has a plurality of tape transports, a selector for selecting input and output paths for the tape trans... | 11/07/2000 |
| 6115537 | Digital signal recording and reproducing apparatus In a digital signal recording and reproducing apparatus, digital input data is transmitted in a transmission packet format and is recorded in a recording packet format. In a recording stage, an auxiliary signal generator (3) generates an auxiliary signal ... | 09/05/2000 |
| 6061494 | Image recording/reproducing apparatus having a memory with a variably--set threshold Image recording/reproducing apparatus having a memory with a variably-set threshold includes reproducing circuitry for reproducing data recorded on a recording medium. Memory structure is provided for storing the data reproduced by the reproducing circuit... | 05/09/2000 |
| 6021014 | Method for generating head switching signals in video cassette recorder using head drum pulse and video tape envelope signals and apparatus therefor A head switching signal generation apparatus for a VCR includes a pulse signal generator for generating a first pulse signal having the same phase and period of time as a head drum pulse signal in response to the head drum pulse signal, an envelope detect... | 02/01/2000 |
| 5838513 | Circuit for discriminating the tape speed in speed-change playback mode A circuit discriminates the tape speed in a speed-change playback mode in a video processing system based upon the drop out signal derived from the video signal read off the tape. The circuit discerns differences between the pulse widths of the drop out s... | 11/17/1998 |
| 5796910 | Decoder for decoding still picture data and data on which data length of still picture data is recorded, reproducing apparatus for reproducing recording medium, and reproducing method thereof In a picture data reproducing apparatus, a data dropout from a disc such as a CD-DA can be avoided. In a still picture data reproducing apparatus for reproducing a recording medium on which both of still picture data having at least variable data length, ... | 08/18/1998 |
| 5765053 | Recording/reproducing apparatus detecting a misrecorded portion A signal, comprising a video signal, an audio signal and the like, is recorded while being frequency modulated, and a signal obtained by frequency demodulating a reproduced signal is subjected to envelope detection. It is thereby possible to detect a blan... | 06/09/1998 |
| 5651087 | Decoder for decoding still pictures data and data on which data length of still picture data is recorded reproducing apparatus for reproducing recording medium and reproducing method thereof In a picture data reproducing apparatus, a data dropout from a disc such as a CD-DA can be avoided. In a still picture data reproducing apparatus for reproducing a recording medium on which both of still picture data having at least variable data length, ... | 07/22/1997 |
| 5589946 | Video signal reproduction apparatus replacing drop-cut signal portions An apparatus for reproducing, from a recording medium, a composite signal in which an image signal and a non-image signal are multiplexed on a time axis. The apparatus includes (a) a reproduction device for reproducing the composite signal from the record... | 12/31/1996 |
| 5418656 | Drop-out detecting circuit To set the drop-out detection level constant in the drop-out detecting circuit used for a magnetic recording apparatus, without regulating the output level of a magnetic recording head and the gain of a preamplifier, the detecting circuit comprises an env... | 05/23/1995 |
| 5384642 | Tracking and picture quality in a VTR A circuit for automatically compensating tracking and picture quality includes a microcomputer for controlling the overall system by performing a built-in program according to a key input, a servo circuit for performing servo function under the control of... | 01/24/1995 |
| 5280396 | Video signal processing apparatus for correcting time base of video signal An apparatus for correcting a time base of a video signal includes a first memory having a capacity of one line of a video signal and a second memory having a capacity of N lines of the video signal connected to the first memory. A video signal is written... | 01/18/1994 |
| 5241398 | Dropout compensation during track jumps Information signal reproducing apparatus operates to recover an information signal from record tracks at normal and fast-speed playback modes. Dropouts in the information signal reproduced from the tracks are detected to commence a correction signal inter... | 08/31/1993 |
| 5239384 | Video image recording apparatus A video image apparatus which records an image corresponding to a video signal including synchronizing signals includes detector for detecting a lack of synchronizing signals and controller responsive to the detector for inhibiting the record operation in... | 08/24/1993 |
| 5239422 | Rotary head type digital magnetic recording-reproducing apparatus A rotary digital magnetic recording-reproducing apparatus includes an envelope detecting unit and a one-of-heads jamming detector. The envelope detector receives an RF signal, reproduced through two heads, having first envelopes indicative of a first head... | 08/24/1993 |
| 5181125 | Apparatus for muting noise resulting from reproducing of a PCM audio signal recorded in an extension of a slant track containing a recorded video signal An apparatus for reproducing video signals recorded in slant tracks on a magnetic tape also having respective pulse code modulated audio signals recorded in extensions of the slant tracks with gaps therebetween: comprises a rotary head drum having magneti... | 01/19/1993 |
| 5164862 | Automatic recording mode detecting apparatus for use in video tape reproducer A video signal recording mode detecting apparatus is provided to detect a plurality of recording modes in which frequencies of the carriers in FM video signals are different. By counting the number of pulses that result from wave-shaping the carrier of an... | 11/17/1992 |
| 5126853 | Dropout detecting apparatus A dropout detecting apparatus includes a high-frequency-range compensation circuit for emphasizing a signal component in a high-frequency-range of a reproduced high-frequency signal, a reference signal generating circuit for deriving a reference signal fr... | 06/30/1992 |
| 5121218 | Recording/playback apparatus and method of communication in same A recording/playback apparatus is provided with a plurality of controllers (inclusive of CPU's) which, by communicating with one another, share control of each of the components of the recording/playback apparatus or of the entire apparatus. Communication... | 06/09/1992 |
| 5050002 | Circuit for detecting a drop-out of a frequency modulated video signal A drop-out detecting circuit forms a drop-out detecting signal on the basis of the result of comparing the frequency of a frequency modulated video signal reproduced from a slant track on a magnetic tape with a reference frequency. The level of a reproduc... | 09/17/1991 |
| 5012361 | Data signal reproducing apparatus for helical scan recording In an apparatus, such as a digital video tape recorder, for reproducing data signals recorded on helical scan recording tracks each having a plurality of sectors, with two adjacent tracks forming a segment and three segments forming a field, changes of se... | 04/30/1991 |
| 4977461 | Dropout detecting circuit with one-half wavelength delay A dropout detection circuit includes a delay circuit for causing a delay in playback signals reproduced from an optical recording medium. The delay corresponds to one half of the wavelength of the central frequency of the carrier wave for the playback sig... | 12/11/1990 |
| 4893192 | Video signal drop-out corrector circuit responsive to level of luminance component of the signal A drop-out corrector circuit for video signals read from a recording medium such as a video disk or the like. Predetermined components, specifically envelope components, are detected in the high-frequency signal read from the disk including the video sign... | 01/09/1990 |
| 4864426 | Circuit for detecting signal loss, or drop-out, in a digital signal processing system with A/D conversion A drop-out detector circuit for use in a device such as a video disc player or the like is provided using a minimum of added components. The input analog signal read from the disc is compared with the upper and lower (maximum and minimum) reference levels... | 09/05/1989 |
| 4860121 | Detector circuit for detecting drop-out in reproduced digital data A drop-out detector circuit for use in a data reproducing device in which a reproduced high-frequency signal is digitized. The most significant bit of the digitized signal is sampled, and its logic state detected over a predetermined number of sampling pe... | 08/22/1989 |
| 4849833 | Image signal recording apparatus An image signal recording apparatus of the kind handling and recording on a recording medium an image signal which corresponds to a still image consisting of a plurality of horizontal scanning lines and which consists of a plurality of horizontal scanning... | 07/18/1989 |
| 4835758 | Dropout detection device for an optical type disc playback device A dropout detection device for use in a device for playing back an optical disc such as a video disc and a Compact Disc comprises a four-split photodetector receiving laser beam through a disc on which information is recorded, a sum signal generation circ... | 05/30/1989 |
