Inventor
MORIWAKI HISAYOSHI
JP31 patents
Patents
31 patentsUS4583132AApr 15, 1986
Recording/reproducing apparatus for selectively processing monaural, stereo and bilingual signals
SONY CORP60 citations96
US4542419ASep 17, 1985
Method and apparatus for recording and reproducing an information signal comprising a video signal and audio signal
SONY CORP83 citations96
US6636551B1Oct 21, 2003
Additional information transmission method, additional information transmission system, information signal output apparatus, information signal processing apparatus, information signal recording apparatus and information signal recording medium
SONY CORP44 citations93
US6342924B1Jan 29, 2002
Additional information superposition method and video signal outputting apparatus
SONY CORP28 citations93
US6339449B1Jan 15, 2002
Method and device for superimposing additional information on a video signal
SONY CORP29 citations93
US4766505AAug 23, 1988
Method and apparatus for recording video and audio signals in successive tracks on a record medium
SONY CORP51 citations93
US4641309AFeb 3, 1987
Method and apparatus for selectively compensating burst errors of variable length in successive digital data words
SONY CORP27 citations93
US4549229AOct 22, 1985
Method and apparatus for compensating for tape jitter during recording and reproducing of a video signal and PCM audio signal
SONY CORP44 citations93
US6779198B1Aug 17, 2004
Data processing apparatus, data processing method, and recording medium
SONY CORP45 citations92
US5778054AJul 7, 1998
Communication apparatus and method for displaying on a screen a number of images corresponding to respective access information that is operative to initiate electronic communication
SONY CORP33 citations92
US4575772AMar 11, 1986
Apparatus for recording additional video signals in a helical scan operation
SONY CORP45 citations92
US4442461AApr 10, 1984
Signal recording and/or reproducing technique
SONY CORP30 citations90
US7096461B1Aug 22, 2006
Method and apparatus for digital signal processing and method of providing extension function
SONY CORP16 citations84
US6359999B1Mar 19, 2002
Method of adding information to video signal and information adding device
SONY CORP15 citations84
US4748628AMay 31, 1988
Method and apparatus for correcting errors in digital audio signals
SONY CORP20 citations82
US4562578ADec 31, 1985
Method for data transmission
SONY CORP22 citations82
US4533963AAug 6, 1985
Video tape recorder for re-recording audio signals
SONY CORP21 citations82
US6782191B1Aug 24, 2004
Additional information superposing method, information signal copy control method, information signal output device and information signal recording device
SONY CORP7 citations74
US4816926AMar 28, 1989
Rotary head digital audio tape recorder with multiple recording modes
SONY CORP12 citations74
US4796261AJan 3, 1989
Error correction apparatus for digital data
SONY CORP18 citations74
US4542418ASep 17, 1985
Method and apparatus for reproducing an information signal comprised of a video signal and audio signal
SONY CORP13 citations74
US7844991B1Nov 30, 2010
Method and apparatus for digital signal processing
SONY CORP7 citations73
US6470137B1Oct 22, 2002
Method and apparatus for superimposing a level changed spectrum spread additional information signal on a video signal
SONY CORP2 citations63
US6359905B1Mar 19, 2002
Method and apparatus of detecting spectrum spread signal
SONY CORP4 citations63
US6341141B1Jan 22, 2002
Method and apparatus for detecting spectrum spread signals
SONY CORP4 citations63
US6295303B1Sep 25, 2001
Method and device of superimposing an additional information signal on a video signal and detecting said additional information from said video signal
SONY CORP5 citations63
US6163565ADec 19, 2000
Additional information signal superimposing and detecting system additional information signal superimposing and detecting method and additional information signal detecting method and apparatus therefor
SONY CORP5 citations63
US7023991B1Apr 4, 2006
Method and apparatus for digital signal processing
SONY CORP6 citations62
US4974235ANov 27, 1990
Method of adaptive quantization in differential pulse code modulation and a system for transmitting quantized data
SONY CORP4 citations59
US6954472B2Oct 11, 2005
Method and device of superimposing an additional information signal on a video signal and detecting said additional information from said video signal
SONY CORP0 citations52
US6466617B1Oct 15, 2002
Additional information signal superimposing and detecting system, additional information superimposing and detecting method, and additional information signal detecting method and apparatus therefor
SONY CORP1 citations52