Inventor

ISHIWATA TETSUO

JP7 patents

Patents

7 patents

US5068752ANov 26, 1991

Apparatus for recording/reproducing a digital audio signal with a video signal

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations90

US5386323AJan 31, 1995

Method and apparatus for reproducing independently recorded multi-channel digital audio signals simultaneously and in synchronization with video signals

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73

US5047768ASep 10, 1991

Data companding method and data compressor/expander

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73

US5228041AJul 13, 1993

Sync signal detection system in a memory system for recording and reproducing block unit data

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations72

US5142420AAug 25, 1992

Sampling frequency reproduction system

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations72

US5021897AJun 4, 1991

Memory system for recording and reproducing block unit data

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations72

US4873590AOct 10, 1989

Magnetic recording and reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations61