Tsunao Hasegawa

Person

Tokorozawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
PCM digital audio signal playback apparatus
- Patent number 5,461,604
- Issue date Oct 24, 1995
- Pioneer Electronic Corporation
- Tsunao Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital reconstructing of harmonics to extend band of frequency res...
- Patent number 5,267,095
- Issue date Nov 30, 1993
- Pioneer Electronic Corporation
- Tsunao Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Track position correction for a helical scan magnetic playback
- Patent number 4,719,525
- Issue date Jan 12, 1988
- Pioneer Electronic Corporation
- Tsunao Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Waveform reshaping circuit
- Patent number 4,639,681
- Issue date Jan 27, 1987
- Pioneer Electronic Corporation
- Tsunao Hasegawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Recording start position setting device for use in a tape recorder
- Patent number 4,553,180
- Issue date Nov 12, 1985
- Pioneer Electronic Corporation
- Tsunao Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing device
- Patent number 4,405,953
- Issue date Sep 20, 1983
- Pioneer Electronic Corporation
- Akira Inomata
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sound recorder having computer-controlled adjusting device
- Patent number 4,352,130
- Issue date Sep 28, 1982
- Pioneer Electronic Corporation
- Tsunao Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus detecting and setting optimum tape recording bias
- Patent number 4,344,094
- Issue date Aug 10, 1982
- Pioneer Electronic Corporation
- Yasushi Ohtake
- G11 - INFORMATION STORAGE
Information Patent Grant
Frequency response adjusting device for magnetic sound recorder
- Patent number 4,312,020
- Issue date Jan 19, 1982
- Pioneer Electronic Corporation
- Tsunao Hasegawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing device
- Patent number 4,297,730
- Issue date Oct 27, 1981
- Pioneer Electronic Corporation
- Hidetaka Kadowaki
- G11 - INFORMATION STORAGE

Tsunao Hasegawa

Person

Patents Grantslast 30 patents

PCM digital audio signal playback apparatus

Digital reconstructing of harmonics to extend band of frequency res...

Track position correction for a helical scan magnetic playback

Waveform reshaping circuit

Recording start position setting device for use in a tape recorder

Magnetic recording and reproducing device

Magnetic sound recorder having computer-controlled adjusting device

Method and apparatus detecting and setting optimum tape recording bias

Frequency response adjusting device for magnetic sound recorder

Magnetic recording and reproducing device