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| Number | Title | Issue Date |
| 6104432 | Compact image pickup lens system for a video camera A compact video camera has an image pickup lens system providing a zooming function and a wide angle field of view. The zooming function is performed by a zoom lens, while the wide angle view is achieved via a wide angle converter. The wide angle converte... | 08/15/2000 |
| 5880941 | Digital video signal recording/reproducing apparatus for storing a vertical resolution signal The television signal recording/reproducing system digitally records and reproduces television signals composed of a luminance signal, a chrominance signal and a resolution compensation signal included in predetermined television scanning lines. The syste... | 03/09/1999 |
| 5856930 | Disc-shaped recording medium, disc recording apparatus and disc reproducing apparatus According to the present invention, when image data high-efficiency-coded based on the MPEG standard or the like is clustered at every sector of a predetermined number, a link sector is provided at a connected portion of each cluster and the image data is... | 01/05/1999 |
| 5850540 | Method and apparatus for time-sharing CPU system bus in image generation system Methods and apparatus for generating image data are provided. A memory and a data processor are coupled with a system bus. In certain embodiments a data expanding apparatus is also coupled to the system bus and compressed data are transferred to the data ... | 12/15/1998 |
| 5799127 | Video data recording apparatus and video data reproducing apparatus A video data recording/reproducing apparatus including an input unit for inputting a number of channels, the number of channels indicating a plurality of channels on which a plurality of series of video data are transmitted, the plurality of series of vid... | 08/25/1998 |
| 5793779 | Optical disk and method and apparatus for recording and then playing information back from that disk An optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm&#b1;0.1 mm, with a plurality of record tracks having data recorded thereon as embossed pits representing information and exhibiting a track pitch in the range between 0.646 μm ... | 08/11/1998 |
| 5790747 | Digital video signal recording apparatus with shuffling across an entire high definition image A serial data stream representing an image is divided into a plurality of data streams, which are selectively combined to form collected data streams that are respectively blocked, shuffled, orthogonally transformed, variable length encoded, and buffered ... | 08/04/1998 |
| 5777317 | Boosting circuit and solid-state image-sensing device employing said boosting circuit A boosting circuit comprises a power supply terminal, an output terminal a one-way element and a one-way element for charging. The one-way element comprises a plurality of stages connected in series across the power supply terminal and the output terminal... | 07/07/1998 |
| 5774289 | Digital video tape recorder for recording data blocks with inner and outer parity data and ID data having Reed-Soloman error correction code In a digital video tape recorder that has rotary magnetic heads for recording digital video information on a magnetic tape in the form of data blocks having a predetermined length, an ID signal is generated for each data block. The ID signal includes a nu... | 06/30/1998 |
| 5768466 | Method of and apparatus for reverse playback of a time-division -multiplexed signal A method of and apparatus for reverse playback, slow-reverse playback, and frame-by-frame-reverse playback of a time-division-multiplexed signal is compatible with fixed-rate and variable-rate data compression schemes, including digital video signals enco... | 06/16/1998 |
| 5767830 | Active matrix display device and timing generator with thinning circuit An active matrix display device comprises a plurality of pixels, a vertical scanning circuit, a horizontal scanning circuit, and a thinning-out circuit. The plurality of pixels are arranged in a matrix on a normal standard screen. The vertical scanning ci... | 06/16/1998 |
| 5757973 | Compression of image data seperated into frequency component data in a two dimensional spatial frequency domain A data compression system decorrelates input data into sets of frequency component data. Different sets of frequency component data are entropy encoded using different coding tables matched to the data values characteristic of the sets of frequency compon... | 05/26/1998 |
| 5757737 | Recording/reproducing data units in successive sectors by N heads using N memory devices Successive bytes of data are recorded in successive sectors on a disk medium by N recording heads. Successive data units, each formed of multiple bytes, are written sequentially into N memory devices, and those N memory devices are sequentially read to su... | 05/26/1998 |
| 5754379 | Disk cartridge A disk cartridge includes a center plate attached to an inner side of a cartridge casing which rotatably houses a disk utilized as a recording medium. The disk cartridge is mounted so as to be interposed between the inner side of the cartridge casing and ... | 05/19/1998 |
| 5754233 | Compression encoding apparatus and recording apparatus for compressionencoded data In an encoding apparatus having a memory of diminished size for lowering the production cost, the memory stores input video signals made up of plural pictures including intra-pictures (I-pictures) and a scene change detector 101 detects change points of t... | 05/19/1998 |
| 5754247 | Video signal processing apparatus for converting a frame video signal representing a plurality of video frames into a field video signal representing a plurality of video fields A video signal processing apparatus and method for converting a frame-unit video signal into a field-unit video signal. The apparatus includes a memory for storing the frame-unit video signal, a control circuit for controlling reading of the stored frame-... | 05/19/1998 |
| 5751358 | Video encoder with quantization controlled by inter-picture correlation A method and apparatus for encoding a picture with improved prediction accuracy in predicting the basic quantization step. The apparatus for encoding a picture includes a picture data storage unit, a picture information evaluating unit, an inter-picture c... | 05/12/1998 |
| 5751364 | Method of and apparatus for detecting a motion of image information, method of and apparatus for encoding image information, image information transmitting system, image information recording system and recording medium A method of detecting a motion in image information includes a step of determining differential processing data by way of full search block matching, a step of processing a differential, and a step of generating differential processing data. The step of p... | 05/12/1998 |
| 5748256 | Subtitle data encoding/decoding method and apparatus and recording medium for the same The subtitle data encoding apparatus according to the present invention is used in a video image transmission system. The apparatus creates loading blocks from relative position information by sampling an input bit stream at a frame interval. The loading ... | 05/05/1998 |
| 5745644 | Method and apparatus for encoding a digital video signal Methods and apparatus are provided for encoding a digital video signal provided as a plurality of blocks of video data. The video data in block form are subjected to discrete cosine transformation to yield respective DC components and respective pluraliti... | 04/28/1998 |
| 5745459 | Methods and apparatus for managing recording medium A control apparatus for use with a recordable recording medium, such as a write once compact disc (CD-WO), in accordance with a SCSI-2 interface previously defined for a pre-recorded recording medium, such as a normal CD, automatically sets and updates at... | 04/28/1998 |
| 5745263 | Color correcting method and printing apparatus in color printer A color correcting method of a color printer is provided. Input image data expressed by lightness (or brightness), saturation, and hue is compared with a color expression range of a color printer similarly expressed by lightness, saturation, and hue. The ... | 04/28/1998 |
| 5742727 | Apparatus and method for recording and reproducing a television signal The television signal recording/reproducing system digitally records and reproduces television signals composed of a luminance signal, a chrominance signal and a resolution compensation signal included in predetermined television scanning lines. The syste... | 04/21/1998 |
| 5742578 | Information recording and reproducing apparatus using light beam modulation on a spiral guide groove disk An information recording and reproducing apparatus comprises an optical device for causing a light beam to impinge upon a disc having a spiral guide groove along which a control signal is substantially recorded for scanning the spiral guide groove; a ligh... | 04/21/1998 |
| 5742444 | Recording and/or reproducing apparatus for controlling the running speed of a recording tape An input data rate delivered from an external device and a recording rate at the recording system for recording data onto a recording tape by using a rotary head are compared at a rate comparison section, and a comparison result is sent to a control secti... | 04/21/1998 |
| 5740305 | Apparatus for coding and decoding edited information data An apparatus for coding and/or decoding information data can edit information data at the compression unit by use of a high-efficiency two-way motion compensation predictive system. A motion compensation processing circuit (1) includes one-way predicting ... | 04/14/1998 |
| 5740304 | Method and apparatus for replaying recording medium from any bookmark-set position thereon An apparatus for replaying a disc-shaped recording medium such as a video CD on which first video data into which all of audio data or video information for one frame is compressed as well as second video data into which video information for frames locat... | 04/14/1998 |
| 5737639 | Method and apparatus for the recording and reproducing of data on a storage medium A recording medium has a user recordable area in which two types of information may be recorded, such as audio data and user data, and a control area having a first area for management information regarding the first type of information and a second area ... | 04/07/1998 |
| 5737479 | Apparatus and method for inserting rating code into the digital video signal In an image data coding apparatus and method thereof, an image data recording medium, and an image data decoding apparatus and method thereof, in rating mode, the unlimited parts are consecutively reproduced without reproduction of the limited parts. In t... | 04/07/1998 |
| 5737394 | Portable telephone apparatus having a plurality of selectable functions activated by the use of dedicated and/or soft keys A telephone apparatus having a plurality of dedicated keys, a plurality of changeable keys each having at least one respective dedicated function associated therewith, and a display for displaying a plurality of lines of data. The telephone apparatus is a... | 04/07/1998 |
| 5737018 | Exposure apparatus and method for vibration control system An exposure device controls the exposure of an image in a video camera using a vibration control system. The gain of an iris, which receives the image, the gain of an AGC amplifier, which amplifies the sensed image and the gain of an electronic shutter, w... | 04/07/1998 |
| 5737480 | Data recording apparatus Digital data representing a compressed image is separated into priority data and normal data, and formatted so that the priority data is repeatedly recorded on a magnetic tape. The transmission rate of the digital data is compared with the recording rate ... | 04/07/1998 |
| 5734787 | Optical disk having a particular format to store user-selected data, such as compressed video data or computed files, including a dedicated TOC region and an application TOC to identify the video compression format An optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm&#b1;0.1 mm, with a plurality of record tracks having data recorded thereon as embossed pits representing information and exhibiting a track pitch in the range between 0.646 μm ... | 03/31/1998 |
| 5731847 | Subtitle encoding/decoding method and apparatus Encoding and decoding of subtitle data is performed in real time. A buffer regulates a flow rate of the subtitle data to ensure that the appropriate subtitles are superimposed with the correct video picture. In encoding, subtitles are generated in corresp... | 03/24/1998 |
| 5729282 | Video camera system A digital video communication system for bidirectional communication between a first station and a second station is disclosed. The first station, which may be a camera head unit, includes a first transmitting portion and a first receiving portion. The fi... | 03/17/1998 |
| 5729280 | Near video-on-demand signal receiver having a memory which provides for VCR like functions A video signal receiver receives a plurality of video channels simultaneously carrying, offset by a transmission interval, a single video program, selects one channel from which to obtain the program for display to a user, and achieves a pause function in... | 03/17/1998 |
| 5726817 | Magnetic recording and reproducing apparatus and cleaning cassette therefor A magnetic recording and reproducing apparatus for selectively having a normal cassette containing a recording and reproducing tape or a cleaning cassette containing a cleaning tape loaded therein is provided to detect, for example, on the basis of inform... | 03/10/1998 |
| 5726712 | Reduced bit number motion vector detection In image compression using motion compensated predictive coding, the number of bits of pixel data is reduced before the pixel data are supplied to a motion vector detecting apparatus. Motion vectors are detected using a pipelined operation in which pixel ... | 03/10/1998 |
| 5726715 | Method and apparatus for displaying two video pictures simultaneously A method and an apparatus for simultaneously displaying two independent video signals are described. The apparatus comprises video signal input terminals (2, 6) for receiving first and second video signals in PAL system having the field frequency of 50 Hz... | 03/10/1998 |
| 5724470 | Television signal recording/reproducing apparatus and method with DC shifter Recording and reproducing a television signal with a DC shifter prevents compression distortion of a PAL plus television signal. The PAL plus television signal includes a vertical resolution signal for enhancing vertical resolution which vertical resoluti... | 03/03/1998 |
