Inventor

HITOTSUMACHI SHUZO

JP4 patents

Patents

4 patents

US5068752ANov 26, 1991

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

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations90

US5442451AAug 15, 1995

Helical scan recording/reproducing device for simultaneously helically recording/reproducing both video and audio signals

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations69

US4901159AFeb 13, 1990

Magnetic recording apparatus for recording video and two kinds of audio signals

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations69

US4648118AMar 3, 1987

Apparatus for reducing noise in audio signals

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations58