| Patent Number |
Title Of Patent |
Date Issued |
| RE38802 |
Method for reproducing compressed information data from a disk using a spatial frequency less th |
September 27, 2005 |
| Method and apparatus for reproducing MPEG-compressed video data and compressed audio data from an optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.0.1 mm, with a plurality of record tracks having data recorded thereon as embossed pits representing information |
| RE38638 |
Optical disk having a particular format to store user-selected data, such as video data or compu |
October 26, 2004 |
| An optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.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 .mu.m and 1.05 .mu.m; with the tracks |
| RE38621 |
OPTICAL DISK HAVING A PARTICULAR FORMAT TO STORE USER-SELECTED DATA, SUCH AS COMPRESSED VIDEO DA |
October 12, 2004 |
| An optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.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 .mu.m and 1.05 .mu.m; with the tracks |
| RE38502 |
Method and apparatus for recovering TOC and user information from an optical disk and using the |
April 20, 2004 |
| An optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.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 .mu.m and 1.05 .mu.m; with the tracks |
| RE38481 |
Method and apparatus for recording MPEG-compressed video data and compressed audio data on a dis |
March 30, 2004 |
| Method and apparatus for recording MPEG-compressed video data end compressed audio data on an optical disk having a diameter leas than 140 mm and, a thickness of 1.2 mm.+-.0.1 mm, with a plurality of record tracks having data recorded thereon as embossed pits representing information and |
| RE37327 |
Method for reproducing compressed information data from a disk using a spatial frequency less th |
August 14, 2001 |
| Method and apparatus for reproducing MPEG-compressed video data and compressed audio data from an optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.0.1 mm, with a plurality of record tracks having data recorded thereon as embossed pits representing information |
| RE37222 |
Video signal transmitting system |
June 12, 2001 |
| Video signal transmitting system in which digital video signal are divided into groups of predetermined frames. Digital video signals of at least one frame are intraframe coded and then transmitted. Remaining digital video signals are interframe coded with reference to the intraframe cod |
| 6453110 |
Electronic equipment control system and method, reproducing apparatus, output apparatus and tran |
September 17, 2002 |
| An equipment unit having an interactive user interface is controlled by means of a simple apparatus. Data reproduced by a DVD player is decoded. The decoded data is converted into a signal format such as DVC SD or MPEG2-TS along with information about such as a menu. The converted in |
| 6424614 |
Data recording medium and record/playback apparatus using the data recording medium |
July 23, 2002 |
| High-speed access to a multi-layered disk is to be realized. Each layer on a multi-layered disk includes an inside guard area 2, program area 3, and outer guard area 5 which are located in uniform radial positions in all layers. The uppermost layer has the recording direction from the in |
| 6366615 |
Moving picture coding method, moving picture decoding method, and apparatus therefor |
April 2, 2002 |
| A moving picture coding apparatus for coding a moving picture and a moving picture decoding apparatus for decoding a coded moving picture are provided. The moving picture coding apparatus is operative to divide a picture signal of a picture frame of N pixels.times.M lines (horizontal N |
| 6363212 |
Apparatus and method for encoding and decoding digital video data |
March 26, 2002 |
| Digital video data encoder and decoder operate to enable the low and high speed reproduction of variable rate encoded digital video data by reproducing and decoding intraframe encoded frames that are identified by previously reproduced intraframe encoded frames. In the encoder, digital |
| 6324216 |
Video coding selectable between intra-frame prediction/field-based orthogonal transformation and |
November 27, 2001 |
| An encoder considers a frame representing a picture as comprised of areas. For each area, the encoder decides which of frame-based or field-based orthogonal transformation will be most efficient at reducing spatial redundancy in that area. For each area, the encoder decides which of |
| 6226327 |
Video coding method and apparatus which select between frame-based and field-based predictive mo |
May 1, 2001 |
| An encoder considers a frame representing a picture as comprised of areas. For each area, the encoder decides which of frame-based or field-based orthogonal transformation will be most efficient at reducing spatial redundancy in that area. For each area, the encoder decides which of |
| 6160849 |
Selectable field and frame based predictive video coding |
December 12, 2000 |
| An encoder considers a frame representing a picture as comprised of areas. For each area, the encoder decides which of frame-based or field-based orthogonal transformation will be most efficient at reducing spatial redundancy in that area. For each area, the encoder decides which of |
| 6101313 |
High efficiency encoding and decoding of picture signals and recording medium containing same |
August 8, 2000 |
| An encoder considers a frame representing a picture as comprised of areas. For each area, the encoder decides which of frame-based or field-based orthogonal transformation will be most efficient at reducing spatial redundancy in that area. For each area, the encoder decides which of |
| 6061404 |
Method and apparatus for encoding digital signal |
May 9, 2000 |
| An apparatus and a method of encoding a digital signal with which a transmission buffer (an encoder buffer) does not overflow even if recording of a signal on a recording medium is temporarily inhibited attributable to, for example, an external shock or even if transmission of a sign |
| 6058241 |
Playback method and apparatus for reproducing encoded data in a reverse playback operation |
May 2, 2000 |
| Encoded data is reversely reproduced by decoding each picture only once and using only as many frame memory sections as are needed in a normal playback operation. A picture header detector detects a picture header from data read out from a video code buffer to identify the type of pi |
| 5966182 |
Recording data production apparatus and method, recording medium reproducing apparatus and metho |
October 12, 1999 |
| The invention provides a a recording data production apparatus and method, a recording medium reproduction apparatus and method and a recording medium by which interruption of data can be prevented even when reproduction of data is performed in a different order from the order in whi |
| 5946040 |
Moving picture coding/decoding method and apparatus for decoders of various processing capabilit |
August 31, 1999 |
| A moving picture coding apparatus for coding a moving picture and a moving picture decoding apparatus for decoding a coded moving picture are provided. The moving picture coding apparatus is operative to divide a picture signal of a picture frame of N pixels.times.M lines (horizontal N |
| 5940351 |
Information record medium as well as editing apparatus and reproducing apparatus for the same |
August 17, 1999 |
| An information record medium from which only necessary record information can be reproduced as well as an editing apparatus and a reproducing apparatus designed to edit and reproduce the information record medium, respectively, to allow such selective reproduction of necessary record |
| 5903705 |
Media and player using territory code |
May 11, 1999 |
| A recording medium and a picture display system in which multiplexed data recorded on a recording medium sold only in a specified territory or multiplexed data broadcast for a specified territory can be displayed only on a decoding reproducing system sold or installed only in such territ |
| 5805225 |
Method and apparatus for variable resolution video picture coding/decoding |
September 8, 1998 |
| A picture series is encoded so that a first type of decoder having only one frame memory and incapable of bi-directional decoding can decode the encoded bitstream, and a second type of decoder having multiple frame memories and capable of bi-directional decoding can decode the encoded |
| 5793779 |
Optical disk and method and apparatus for recording and then playing information back from that |
August 11, 1998 |
| An optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.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 .mu.m and 1.05 .mu.m; with the tracks |
| 5786858 |
Method of encoding image signal, apparatus for encoding image signal, method of decoding image s |
July 28, 1998 |
| An image signal encoding method and apparatus is provided. An input image signal is coded to produce coded picture signals. Specifically, the coded picture signals include a group-of-pictures consisting of predictive coded pictures and bi-directionally predictive coded pictures. For at l |
| 5745505 |
Digital signal encoding method and apparatus, digital signal recording medium, and digital signa |
April 28, 1998 |
| The present invention provides digital signal encoding method and apparatus, a digital signal recording medium, and digital signal decoding method and apparatus which improve error correcting capabilities and reduce redundancy with a simple structure when the digital signal is encode |
| 5734787 |
Optical disk having a particular format to store user-selected data, such as compressed video da |
March 31, 1998 |
| An optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.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 .mu.m and 1.05 .mu.m; with the tracks |
| 5721591 |
Recording data production apparatus and method, recording medium reproduction apparatus and meth |
February 24, 1998 |
| The invention provides a a recording data production apparatus and method, a recording medium reproduction apparatus and method and a recording medium by which interruption of data can be prevented even when reproduction of data is performed in a different order from the order in whi |
| 5715355 |
Optical disk having a particular format to store user-selected data, such as video data or compu |
February 3, 1998 |
| An optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.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 .mu.m and 1.05 .mu.m; with the tracks |
| 5699474 |
Method and apparatus for decoding MPEG-type data reproduced from a recording medium during a hig |
December 16, 1997 |
| Recording unit is operative so that, in the case of carrying out high speed reproduction, switch is switched by high speed reproduction control signal inputted from the external, and a signal read out from the recording unit is inputted to VLD and formatter. High speed reproduction contr |
| 5666461 |
High efficiency encoding and decoding of picture signals and recording medium containing same |
September 9, 1997 |
| An encoder considers a frame representing a picture as comprised of areas. For each area, the encoder decides which of frame-based or field-based orthogonal transformation will be most efficient at reducing spatial redundancy in that area. For each area, the encoder decides which of |
| 5644506 |
Picture signal reproducing method and picture signal reproducing apparatus |
July 1, 1997 |
| Only monitor side is caused to have decoding unit portion for bit stream, and reading unit portion for bit stream, decoding unit portion for bit stream and recording unit portion for bit stream are linked by digital network. Reproducing unit is caused to have a function to reproduce bit |
| 5621481 |
Motion vector detecting apparatus for determining interframe, predictive error as a function of |
April 15, 1997 |
| A motion vector detecting apparatus adapted for detecting motion vectors in motion prediction of an interlaced moving picture comprised of sets of picture blocks consisting of a plurality of pixels. In the case of carrying out five motion predictive error calculations of motion vector |
| 5617384 |
Method and apparatus for recovering TOC and user information from an optical disk and using the |
April 1, 1997 |
| An optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.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 .mu.m and 1.05 .mu.m; with the tracks |
| 5602956 |
Picture signal coding method, decoding method and picture signal recording medium |
February 11, 1997 |
| A picture signal coding method and decoding method and a picture signal recording medium by which a picture is prevented from being interrupted upon high speed reproduction are disclosed. A GOP is constituted from pictures of 15 frames. Of those pictures, an I-picture and P-pictures are |
| 5596565 |
Method and apparatus for recording MPEG-compressed video data and compressed audio data on a dis |
January 21, 1997 |
| Method and apparatus for recording MPEG-compressed video data and compressed audio data on an optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.0.1 mm, with a plurality of record tracks having data recorded thereon as embossed pits representing information and |
| 5594552 |
Apparatus and method for producing downwards compatible video signals with increased vertical re |
January 14, 1997 |
| Apparatus for deriving from a motion picture film for transfer to a video recording medium a video signal having increased vertical resolution for display using progressive scanning. In the apparatus, a deriving system derives the video signal from the motion picture film; a flag signal |
| 5592450 |
Method for reproducing compressed information data from a disk using a spatial frequency less th |
January 7, 1997 |
| Method and apparatus for reproducing MPEG-compressed video data and compressed audio data from an optical disk having a diameter less than 140 mm and, a thickness of 1.2 mm.+-.0.1 mm, with a plurality of record tracks having data recorded thereon as embossed pits representing information |
| 5574504 |
Methods and systems for encoding and decoding picture signals and related picture-signal recordi |
November 12, 1996 |
| Picture-signal encoding methods and systems are disclosed for encoding interlaced scan picture signals. A first one of a pair of interlaced odd and even fields of one frame, as well as a field of another frame are encoded. The second one of the pair of interlaced odd and even fields is |
| 5543932 |
Digital video signal recording apparatus and digital video signal reproducing apparatus |
August 6, 1996 |
| According to the present invention, when an ATV signal is recorded by a digital VCR in the conventional television signal record mode, variable speed reproduction data composed of HP data containing I frame is redundantly recorded in a surplus record area that is formed by the differ |
| 5543843 |
Communication jack nose cleaning tool |
August 6, 1996 |
| In a method of compressing a motion picture signal divided into blocks of picture data and in which each of the blocks is selectively compressed by discrete cosine transform (DCT) coding or by intra-block predictive coding which effects non-transform coding (NTC); the intra-block predict |
| 5510902 |
Apparatus and method for producing downwards compatible video signals with increased vertical re |
April 23, 1996 |
| Apparatus for deriving from a motion picture film for transfer to a video recording medium a video signal having increased vertical resolution for display using progressive scanning. In the apparatus, a deriving system derives the video signal from the motion picture film; a flag signal |
| 5510840 |
Methods and devices for encoding and decoding frame signals and recording medium therefor |
April 23, 1996 |
| A motion vector detection circuit detects the motion vector for each macro-block between an odd field and an even field. An encoding system decision circuit decides the type of the encoding system, that is if the encoding system is a field-based encoding system or a frame-based encoding |
| 5504530 |
Apparatus and method for coding and decoding image signals |
April 2, 1996 |
| A compression-coded high definition television signal is decoded and converted to a standard NTSC signal without loss of interlacing so that the resulting picture exhibits smooth motion. The compression-coding of the HDTV signal includes DCT processing to produce an 8.times.8 block of |
| 5485280 |
Apparatus and method for producing downwards compatible video signals with increased vertical re |
January 16, 1996 |
| Apparatus for deriving from a motion picture film for transfer to a video recording medium a video signal having increased vertical resolution for display using progressive scanning. In the apparatus, a deriving system derives the video signal from the motion picture film; a flag signal |
| 5485279 |
Methods and systems for encoding and decoding picture signals and related picture-signal records |
January 16, 1996 |
| Reproducing an input image of reduced resolution with respect to the vertical and horizontal directions in high picture quality by processing a coded bit stream of normal resolution. A difference signal (mismatching error signal) representing the difference between a predicted image of t |
| 5475435 |
Layer encoding apparatus and layer decoding apparatus for input non-interlace video signal |
December 12, 1995 |
| In an encoder, an input picture of a non-interlace structure is sampled by down sampling to form an interlace picture, and the interlace picture is encoded. The encoded data are decoded to form an interlace decoded picture, and the interlace decoded picture is sampled by up sampling and |
| 5471450 |
Digital data reproducing apparatus and method employing buffer memories for error compensation a |
November 28, 1995 |
| A digital data reproducing apparatus and method which allows reproduction for a long period of time without deterioration in picture quality. Data are reproduced from an optical disk by a pickup and are transferred to and stored in a ring buffer memory. Data read from the ring buffer mem |
| 5461420 |
Apparatus for coding and decoding a digital video signal derived from a motion picture film sour |
October 24, 1995 |
| A method for coding an input video signal with a field rate of 60 Hz derived from a motion picture film source using 2-3 pulldown. In the method, duplicate fields are detected in the input video signal. Each duplicate field is eliminated from the input video signal to produce a progr |
| 5428396 |
Variable length coding/decoding method for motion vectors |
June 27, 1995 |
| In connection with compression-coding of video signals on the basis of inter-frame correlation, a single reference table is used for variable length encoding of inter-frame motion vectors established on the basis of various motion vector value ranges and degrees of accuracy. A reference |
| 5410350 |
Motion picture encoding and/or decoding system |
April 25, 1995 |
| A motion picture coding and decoding system is provided, which permits high picture quality to be obtained with less information amount than that in case of a system having the sole function of DCT coding, permits reduction of block distortion of reproduced picture and permits coding eff |
