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Sony Corporation Patents
Assignee:
Sony Corporation
Address:
Tokyo, JP
No. of patents:
31122
Patents:












Patent Number Title Of Patent Date Issued
RE40568 Synchronization symbol structure using OFDM based transmission method November 11, 2008
The present invention proposes a method for generating synchronization bursts for OFDM transmission systems. The symbols of a predefined symbol sequence are mapped according to a predefined mapping scheme on subcarriers of the OFDM systems by a mapping unit (2), wherein the symbols o
RE40468 Video data bus communication system and method August 26, 2008
A video data communication system and method are disclosed which provides for the secure transmission of video data among devices connected to a video data bus. The video data is transmitted with address information corresponding to a particular device or, alternatively, video data is
RE40415 Picture signal transmitting method and apparatus July 1, 2008
A picture type identifier, indicating one of intra-picture coding (an I-picture), forward or backward predictive coding (a P-picture) and bi-directionally predictive coding (a B-picture), is included with a picture signal when the signal is encoded and when the signal is decoded. Eac
RE40409 Photoelectric converter having a light receiving portion with an improved readout gate July 1, 2008
A photoelectric converter with improved charge transfer efficiency from a light receiving portion. The photoelectric converter includes a light receiving portion having an output end and a gate portion having a first side and a second side that both define a readout gate width for the
RE40391 Computer June 24, 2008
RE40318 Headphone May 20, 2008
RE40136 Multilayer optical disk March 4, 2008
A multilayer optical disk having an information storage layer which can as well as be reproduced by a general purpose reproducing apparatus, for example, a compact disk player, and from which information can be read from other information storage layers by using an exclusive reproducing
RE40094 Computer February 26, 2008
RE40044 Data recording apparatus and method, data reproducing apparatus and method, data recording/repro February 5, 2008
Video data and audio data inputted respectively from a camera system and a microphone are compressed and encoded in a video compressor/expander-encoder/decoder and an audio compressor/expander-encoder/decoder respectively, and then are multiplexed in a multiplexer. Subsequently the m
RE39953 Recording apparatus and method, and reproducing apparatus and method December 25, 2007
A reproducing apparatus for reading, or a recording apparatus for writing, data from or to a disc having pre-formed thereon a pair of concentrical or spiral tracks adjacent to each other and to which a common address is given, is adapted to control the time at which a read or write head
RE39745 Recording medium retaining data for menu control, menu control method and apparatus July 24, 2007
A recording medium retaining data for menu control, a menu control method and an apparatus are provided for creating a menu highly expressive and attractive to the viewer. When operation of a menu button is determined on a menu created with a moving picture with sound, the menu button tu
RE39622 System and method for authentication, and device and method for authentication May 8, 2007
In authentication using a plurality of cipher keys, the authentication time is shortened. In the case that an encipher key to encipher key are required to take an access to each area out of the area to area in a memory of an IC card, a plurality of areas to have an access is informed
RE39231 Communication terminal equipment and call incoming control method August 8, 2006
In a communication terminal equipment and in a method of controlling call incoming, unnecessary noises in a period from the start of an alert sound to carrying out of the next operation can be reduced. When a predetermined operation is effected under the condition that an alert sound
RE38898 Video data bus communication system and method November 29, 2005
A video data communication system and method are disclosed which provides for the secure transmission of video data among devices connected to a video data bus. The video data is transmitted with address information corresponding to a particular device or, alternatively, video data is
RE38829 Viewing restricting method and viewing restricting apparatus October 11, 2005
A method and apparatus for securely restricting the viewing of television programs. When a television program has been received along with rating data associated with a rating of the television program; length data associated with a length of the program, a microcomputer determines w
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
RE38613 Method for growing a nitride compound semiconductor October 5, 2004
A new and improved method for growing a p-type nitride III-V compound semiconductor is provided which can produce a p-type nitride compound semiconductors having a high carrier concentration, without the need for annealing to activate impurities after growth. In a preferred embodiment,
RE38529 Scramble/descramble method and apparatus for data broadcasting June 8, 2004
A transmitter for transmitting news data via satellite and which includes an information storage unit for storing news data, an information scramble processing unit for scrambling the news data using a predetermined first key to output once scrambled news data, a data scrambler for scram
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
RE38363 Method of forming trench isolation having polishing step and method of manufacturing semiconduct December 23, 2003
A method of forming trench isolation including a burying step of burying trenches by a deposition means for conducting etching and deposition simultaneously and a polishing step of flattening a burying material by polishing is conducted by disposing an isotropic etching step, a multi
RE38339 Semiconductor laser December 2, 2003
A semiconductor laser comprises: a first cladding layer of a first conduction type; an active layer stacked on the first cladding layer; and a second cladding layer of a second conduction type stacked on the active layer. The first cladding layer, the active layer and the second cladding
RE38236 Digital signal transmitting method, digital signal receiving apparatus, and recording medium and August 26, 2003
A digital signal transmitting method, a digital signal receiving apparatus, and a recording medium which ensure the security of fee-charged software information. When an image providing predetermined services is transmitted, a band-compression coded digital video signal is given firs
RE38055 Video data bus communication system and method April 1, 2003
A video data communication system and method are disclosed which provides for the secure transmission of video data among devices connected to a video data bus. The video data is transmitted with address information corresponding to a particular device or, alternatively, video data is
RE38007 Controlled-access broadcast signal receiving system February 25, 2003
An apparatus and method for transferring from a broadcaster to a receiver a limited reproduction right in data. A signal indicating the limited reproduction right is transmitted by the broadcaster and stored by the receiver with the data. The receiver reproduces and processes the data as
RE37864 Quantizing error reducer for audio signal October 1, 2002
There is provided a quantizing error reducer for an audio signal, which is constructed to feed a quantizing error back to the input side of a quantizer through a noise filter, wherein the coefficient of the noise filter is set on the basis of information relating to the equiloudness
RE37810 Digital video signal reproducing apparatus with high-speed play mode July 30, 2002
Apparatus for reproducing digital video signals from a magnetic tape, wherein a frame of digital video signals had been recorded in 2 m tracks (m is an integer greater than 1), in which a pair of rotary heads having respectively different azimuth angles scan traces across the magnetic
RE37808 Disc recording medium having subsidiary data in which is stored an identifier July 30, 2002
A disc-shaped recording medium and a reproducing apparatus for the disc-shaped recording medium in which the letter information, such as a title, pertinent to a program recorded on the disc-shaped recording medium, is recorded as subsidiary data in a management area or in a program a
RE37717 Optical pickup device May 28, 2002
An optical pickup device for condensing the light from a light source on a signal recording surface by an objective lens and for detecting the return light from the signal recording surface by a light detection unit is disclosed. The optical pickup device is capable of recording and/or
RE37428 Magneto-optical disk system with specified thickness for protective layer on the disk relative t October 30, 2001
A magneto-optical disc system includes a magneto-optical disc with a light transmitting protective layer, an objective lens for bundling or focusing a laser beam onto a magnetic recording layer of the magneto-optical disc in order to perform recording and/or reproduction, and a magnetic
RE37398 Headphone October 2, 2001
A headphone in which a housing containing a drive unit is provided with a window hole formed therein and the window hole is covered with a diaphragm providing acoustic transmissibility therethrough.
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
RE37177 Semiconductor laser May 15, 2001
A semiconductor laser comprises: a first cladding layer of a first conduction type; an active layer stacked on the first cladding layer; and a second cladding layer of a second conduction type stacked on the active layer. The first cladding layer, the active layer and the second cladding
RE37170 Disc loading mechanism in a disc player for positioning a disc and an optical pickup while reduc May 8, 2001
A loading mechanism of a disc tray onto which recording medium discs such as compact discs, laser discs, or the like are set and which moves between a pull-out position at which the disc tray was pulled out of an outer casing and a pull-in position at which the disc tray was pulled into
RE36999 Video signal coding method December 26, 2000
In a method for encoding successive frames of a digital motion video signal in the form of compressed digital data including an intraframe coded signal and a plurality of interframe coded signals, a first frame of the digital motion video signal is encoded to form one of an intraframe co
RE36877 Photographic camera system September 19, 2000
A photographic camera system includes a photographic camera that can successively expose a photographic film in different frame sizes and an automatic printer for automatically printing the processed photographic film exposed with those different frame sizes. The camera varies the width
RE36803 Bit clock reproducing circuit August 1, 2000
.[.A bit clock reproducing circuit produces an output bit clock signal in response to an input clock signal but without reproducing jitter present in the input signal. A counter is supplied with a reference clock signal as a counting input, and the counter is periodically loaded, at a fi
RE36763 Apparatus and method for preventing unauthorized copying of video signals July 4, 2000
In a digital video tape recorder (VTR) which reproduces digital video and audio signals from a magnetic tape, a copy protect bit in the reproduced digital video signal is detected, and on the basis of the copy protect bit, a code is generated and inserted into the vertical blanking inter
RE36753 Photographic camera system June 27, 2000
A photographic camera system includes a photographic camera that can successively expose a photographic film in different frame sizes and an automatic printer for automatically printing the processed photographic film exposed with those different frame sizes. The camera varies the as
RE36683 Apparatus and method for audio data compression and expansion with reduced block floating overhe May 2, 2000
A method for compressing a digital audio input signal to provide a recording signal in which the input signal is divided into frames comprising plural samples. Each frame is transformed into a block of spectral coefficients, which are divided into plural bands. For each band, block f
RE36559 Method and apparatus for encoding audio signals divided into a plurality of frequency bands February 8, 2000
This invention relates to a digital signal encoding apparatus in which the .[.width of the range in.]. .Iadd.digital signal is divided into frequency components in plural frequency bands and the bandwidth of the frequency bands is .Iaddend.selected to be wider for .[.the.]. higher .[.fre
RE36218 Disc recording/reproducing apparatus having a servo system capable of successively recording and June 1, 1999
During recording the inputted data are sequentially written into a memory at one transfer rate and are read out at a second, higher transfer rate for recording on a record medium. The reading of the memory is such that data in a preset first amount are successively read from the memory t
RE35950 Recording medium cassette and a recording/reproducing apparatus November 10, 1998
A recording medium cassette being easily miniaturized if necessary, and a recording and/or reproducing apparatus, such as a VTR, adapted to use the same recording medium cassette. The recording medium cassette includes a printed wiring board having a plurality of information indicating c
RE35809 Digital signal encoding with quantizing based on masking from multiple frequency bands May 26, 1998
An allowable noise level is set for each frequency band of the input digital signal on the basis of the energy level of the respective frequency band and that of another frequency band. The energy level and the allowable noise level are non-linearly related so as to enable high data
RE35608 Recording and/or reproducing apparatus for using magneto-optical disc September 16, 1997
A magneto-optical disc recording and/or reproducing apparatus having an external magnetic field generating means for supplying an external magnetic field to a magneto-optical disc, a spacer sheet disposed relative to the magneto-optical disc at its surface side opposing to the external
RE35343 Remote-controlling commander with multi-function rotary dial October 1, 1996
A remote-controlling commander includes a rotary dial rotatably mounted on a commander housing for manual operation of the user. The commander also includes a position detector for monitoring angular position of the rotary dial, in which the angular position and/or angular displacement o
RE34719 Optical recording apparatus for forming grooves and pits in an optically recordable disc September 6, 1994
There are provided an optical disc and an optical recording apparatus to form a tracking groove onto an optically recordable disc. This apparatus comprises: a recording beam generator to generate a recording beam such as a laser beam having a predetermined spot size so as to form a patte

 
 
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