P

Inventor

HIRATA ATSUMI

17 patents

Patents

17 patents
US6745166B1Jun 1, 2004

Contents information recording method, contents information processing unit, contents information deciphering method, contents information deciphering unit and media thereof

VICTOR COMPANY OF JAPAN28 citations92
US4630231ADec 16, 1986

Control program signal demodulating device

VICTOR COMPANY OF JAPAN27 citations92
US4563709AJan 7, 1986

Rotary record having a spiral track with a video signal and two audio signals recorded thereon

VICTOR COMPANY OF JAPAN25 citations81
US4426692AJan 17, 1984

Rotary recording medium having an improved three frequency pickup tracking control and reproducing apparatus therefor

VICTOR COMPANY OF JAPAN7 citations73
US4402018AAug 30, 1983

System using a rotating medium for recording cinematographic picture images

VICTOR COMPANY OF JAPAN17 citations73
US4380781AApr 19, 1983

Disc-shaped recording medium reproducing apparatus

VICTOR COMPANY OF JAPAN9 citations73
US4380780AApr 19, 1983

Disc-shaped recording medium reproducing apparatus

VICTOR COMPANY OF JAPAN7 citations73
US4340907AJul 20, 1982

Special reproducing system in an apparatus for reproducing video signals from a rotary recording medium

VICTOR COMPANY OF JAPAN16 citations73
US4707733ANov 17, 1987

Information signal recording disc comprising a connected region formed between parallel program recorded and single program recorded regions, and reproducing apparatus therefor

VICTOR COMPANY OF JAPAN17 citations71
US4695904ASep 22, 1987

Information signal recording disc recorded with an end signal for selectively preventing unwanted access to predetermined recorded information and disc reproducing apparatus therefor

VICTOR COMPANY OF JAPAN19 citations71
US4247741AJan 27, 1981

Reproducing transducer feeding device in a rotary recording medium reproducing apparatus

VICTOR COMPANY OF JAPAN17 citations70
US4439791AMar 27, 1984

Slow-motion reproducing system in an apparatus for reproducing rotary recording medium with mode dependent skip pulse generator and field memories

VICTOR COMPANY OF JAPAN7 citations62
US4428002AJan 24, 1984

Special effects video disc reproducing system for eliminating picture flicker

VICTOR COMPANY OF JAPAN2 citations62
US4370740AJan 25, 1983

Rotary recording medium

VICTOR COMPANY OF JAPAN2 citations62
US4470078ASep 4, 1984

Pulse driven control circuit for moving a transducer across a rotary recording medium of pulses applied thereto

VICTOR COMPANY OF JAPAN4 citations54
US4383309AMay 10, 1983

Disc-shaped recording medium reproducing apparatus

VICTOR COMPANY OF JAPAN1 citations51
US4510532AApr 9, 1985

Rotary recording medium reproducing apparatus

VICTOR COMPANY OF JAPAN0 citations41