Inventor
KANOTA KEIJI
JP77 patents
Patents
50 patentsUS5991500ANov 23, 1999
Copy control for a video signal with copyright signals superimposed as predetermined bits in the VBID data of the video signal
SONY CORP156 citations99
US5862292AJan 19, 1999
Recording and reproducing device for digital signal including IC card
SONY CORP193 citations99
US5418853AMay 23, 1995
Apparatus and method for preventing unauthorized copying of video signals
SONY CORP254 citations99
US7412615B2Aug 12, 2008
Information processing equipment and power consumption control method
SONY CORP215 citations98
US5990881ANov 23, 1999
Near video-on-demand signal receiver
SONY CORP172 citations98
US5884141AMar 16, 1999
Near video-on-demand signal receiver
SONY CORP175 citations98
US5729280AMar 17, 1998
Near video-on-demand signal receiver having a memory which provides for VCR like functions
SONY CORP213 citations98
US5416651AMay 16, 1995
Apparatus for magnetically recording digital data
SONY CORP126 citations98
US5065259ANov 12, 1991
Magnetic recording and/or reproducing apparatus
SONY CORP135 citations98
US5826168AOct 20, 1998
Near video-on-demand signal receiver
SONY CORP69 citations96
US5563714AOct 8, 1996
Digital signal processing apparatus for recording and reproducing time-base compressed digital image data in an image transmission system
SONY CORP63 citations96
US5424850AJun 13, 1995
Method and apparatus for recording compressed audio data on a video record medium
SONY CORP71 citations96
US5396374AMar 7, 1995
Method and apparatus for reproducing and after-recording digital information signals on magnetic tape
SONY CORP58 citations96
US5535275AJul 9, 1996
Apparatus and method for producing scrambled digital video signals
SONY CORP57 citations94
US6301430B1Oct 9, 2001
Apparatus and method for TV broadcast copy protection
SONY CORP21 citations93
USRE36763EJul 4, 2000
Apparatus and method for preventing unauthorized copying of video signals
SONY CORP18 citations93
US5231543AJul 27, 1993
Digital signal recording/reproducing apparatus for use with digital signals having different transmission rates
SONY CORP56 citations93
US5122912AJun 16, 1992
Signal processing apparatus selecting a scrambled signal having a desired dc component from among a plurality of scrambled signal obtained by scrambling an input-data signal with respective pseudo-random signals
SONY CORP50 citations93
US7853897B2Dec 14, 2010
Information processing apparatus and method, and program
SONY CORP40 citations92
US7607157B1Oct 20, 2009
Near video-on-demand signal receiver
SONY CORP26 citations92
US6813681B1Nov 2, 2004
Information recording method and apparatus, information reproducing method and apparatus
SONY CORP33 citations92
US5581360ADec 3, 1996
Methods and systems for dubbing a variable-length encoded digital video signal on a record medium
SONY CORP20 citations92
US5255128AOct 19, 1993
Apparatus for detecting digital data
SONY CORP22 citations92
US6684026B2Jan 27, 2004
Information recording method and apparatus and information recording medium
SONY CORP18 citations83
US6363211B1Mar 26, 2002
Data recording apparatus and method, data reproducing apparatus and method, data recording/reproducing apparatus and method, and transmission medium
SONY CORP14 citations83
US4964000AOct 16, 1990
Circuit for separating simultaneously reproduced PCM and ATF signals having at least partially overlapping frequency bands
SONY CORP22 citations82
US6526220B2Feb 25, 2003
Apparatus and method for TV broadcast copy protection
SONY CORP7 citations74
US6002836ADec 14, 1999
Recording and reproducing apparatus in which digital data having various transmission rates are processed at their optimum data rates
SONY CORP10 citations74
US5973868AOct 26, 1999
Recording and/or reproducing apparatus with means for establishing an after-recording area
SONY CORP6 citations74
US5909532AJun 1, 1999
Apparatus and method for recording and reproducing a television signal
SONY CORP7 citations74
US5905839AMay 18, 1999
Digital video signal recording/reproducing apparatus for storing a vertical resolution signal
SONY CORP9 citations74
US5878187AMar 2, 1999
Digital signal recording method and recording apparatus thereof
SONY CORP11 citations74
US5790747AAug 4, 1998
Digital video signal recording apparatus with shuffling across an entire high definition image
SONY CORP7 citations74
US5745318AApr 28, 1998
Digital video tape reproducing apparatus for reproducing video signals from tracks in a magnetic tape having reproducing heads having widths the same as or different from that of the recording heads
SONY CORP10 citations74
US5742727AApr 21, 1998
Apparatus and method for recording and reproducing a television signal
SONY CORP9 citations74
US5526199AJun 11, 1996
Data recording apparatus
SONY CORP5 citations74
US5499148AMar 12, 1996
Digital video tape reproducing apparatus compatible with tapes having a track width different from a rotary magnetic head width
SONY CORP6 citations74
US5434673AJul 18, 1995
Digital information transferring apparatus capable of identifying the type of device supplied with the transferred information
SONY CORP10 citations74
US5426538AJun 20, 1995
Recording and/or reproducing apparatus with means for establishing an after-recording area
SONY CORP11 citations74
US5315401AMay 24, 1994
Apparatus for recording and/or reproducing digital video and audio signals operable in an after-recording mode
SONY CORP14 citations74
US5270876ADec 14, 1993
Apparatus for reproducing data recorded on a magnetic recording medium
SONY CORP10 citations74
US5233478AAug 3, 1993
Apparatus for recording a digital signal composed of different types of data
SONY CORP18 citations74
US5193035AMar 9, 1993
Apparatus and method for phase correction of a clock signal by controlling the variable delaying thereof
SONY CORP10 citations74
US5089917AFeb 18, 1992
Digital signal recovery apparatus with minimized high frequency noise
SONY CORP17 citations74
US4984101AJan 8, 1991
PCM signal reproducing apparatus
SONY CORP14 citations74
US4967289AOct 30, 1990
PCM signal recording apparatus
SONY CORP12 citations74
US4885646ADec 5, 1989
Digital recorder using partial response method
SONY CORP17 citations74
US4862296AAug 29, 1989
PCM signal reproducing apparatus with adjustable phase lock loop circuitry
SONY CORP9 citations74
US9672411B2Jun 6, 2017
Information processing apparatus and method, and program
SONY CORP5 citations73
US7426615B2Sep 16, 2008
Information recording method and apparatus, information reproducing method and apparatus
SONY CORP8 citations73
Showing the top 50 of 77 patents by PatentIndex Score.