P

Inventor

ISAKA HARUO

JP30 patents
⚠️ This page may combine multiple inventors who share the name “ISAKA HARUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

25 patents
US5432646AJul 11, 1995

Apparatus for recording video signals and index signals on tracks of a magnetic tape

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations92
US4785441ANov 15, 1988

Tracking error correction apparatus utilizing phase difference information derived from four photocells

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations92
US5258879ANov 2, 1993

Tracking error detection circuit of magnetic recording and reproduction apparatus for determining tracking error based on pilot signals recorded on a recording meedium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD20 citations82
US4740940AApr 26, 1988

Optical information read apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations82
US5953482ASep 14, 1999

Magnetic recording/reproducing apparatus with the recording/reproducing heads preceding the erasing heads

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US5546248AAug 13, 1996

Reproducing apparatus that performs tracking control and phase control for a signal recorded in plural tracks of a tape medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5510938AApr 23, 1996

Tracking control apparatus which uses pilot signals to control a capstan

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5490017AFeb 6, 1996

Signal reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US5432655AJul 11, 1995

Multiple channel magnetic recording and reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6266479B1Jul 24, 2001

Video signal recording and reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US5754356AMay 19, 1998

Tracking error detector with comparison of amplitude detected pilot signals leaking in from tracks adjacent to the target track

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
US5343338AAug 30, 1994

Tape drive apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US6804072B1Oct 12, 2004

Recording head clogging detection method and its device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations69
US5469304ANov 21, 1995

Tape medium recording and/or reproducing apparatus capable of minimizing deviation of recording position

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US5455719AOct 3, 1995

Data recording method in which pilot signal period coincides with cumulative bit disparities of insert data

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US5371604ADec 6, 1994

Apparatus for edit recording of a compressed digital video signal on a recording tape

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US5115422AMay 19, 1992

Information reproducing apparatus for detecting a reproduced area on a disc

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US4989196AJan 29, 1991

Optical information recording apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
US6424483B1Jul 23, 2002

Control system of tape travel for a magnetic recording and reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US5594602AJan 14, 1997

Tracking error detecting circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US5477398ADec 19, 1995

Apparatus for editing data in a selected area on a track of a tape recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations62
US5313338AMay 17, 1994

Editing device which selectively edits a section of a helical track

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62
US7130147B2Oct 31, 2006

Magnetic recording/reproducing apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations60
US5793925AAug 11, 1998

Recording method and apparatus for control track

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52
USRE39029EMar 21, 2006

Magnetic recording/reproducing apparatus with the recording/reproducing heads preceding the erasing heads

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations39

ISAKA HARUO

3 patents

PANASONIC CORP

2 patents