Pulse-modulation recording or reproducing

Industry

CPC
G11B20/08

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B20/00Signal processing not specific to the method of recording or reproducing Circuits therefor

Current Industry

G11B20/08Pulse-modulation recording or reproducing

Industries

Patents Grantslast 30 patents

Information Patent Grant
Recording medium having EFM demodulation unit for adaptively re-ali...
- Patent number 7,724,635
- Issue date May 25, 2010
- Samsung Electronics Co., Ltd.
- Dae-woong Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording medium, method of manufacturing the o...
- Patent number 7,507,523
- Issue date Mar 24, 2009
- Ricoh Company, Ltd.
- Katsuyuki Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Double-attribute method of encoding and decoding magnetic data
- Patent number 6,922,297
- Issue date Jul 26, 2005
- ProtoScience, Inc.
- Kyle Kendrick Kirby
- G11 - INFORMATION STORAGE
Information Patent Grant
Triple-attribute method of encoding and decoding magnetic data
- Patent number 6,819,512
- Issue date Nov 16, 2004
- ProtoScience, Inc.
- Kyle K. Kirby
- G11 - INFORMATION STORAGE
Information Patent Grant
Precision, wide band pulse width modulator for digital to analog co...
- Patent number 6,798,369
- Issue date Sep 28, 2004
- Visteon Global Technologies, Inc.
- Charles F. Weber
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method and device for recording an optical information carrier
- Patent number 6,751,513
- Issue date Jun 15, 2004
- Koninklijke Philips Electronics N.V.
- Johannes Hendrik Spruit
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and device for recording an optical information carrier
- Patent number 6,205,102
- Issue date Mar 20, 2001
- U.S. Philips Corporation
- Johannes Hendrik Spruit
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and device for recording a mark having a substantially const...
- Patent number 5,802,032
- Issue date Sep 1, 1998
- U.S. Philips Corporation
- Bernardus A.J. Jacobs
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for recording and reproducing main and sub inf...
- Patent number 5,430,705
- Issue date Jul 4, 1995
- Victor Company of Japan, Ltd.
- Itsuo Takanashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for reading optically encoded soundtracks
- Patent number 5,231,627
- Issue date Jul 27, 1993
- National Film Board of Canada
- Michael W. Paul
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Information signal recording and reproducing system capable of reco...
- Patent number 5,132,957
- Issue date Jul 21, 1992
- Teac Corporation
- Akira Mashimo
- G11 - INFORMATION STORAGE
Information Patent Grant
System for recording or detecting two marking signals on a record c...
- Patent number 4,639,793
- Issue date Jan 27, 1987
- U.S. Philips Corporation
- Peter Goldmann
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for reading information or defect out of rotating disc
- Patent number 4,499,572
- Issue date Feb 12, 1985
- Olympus Optical Co., Ltd.
- Shozi Yoshikawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing apparatus
- Patent number 4,481,548
- Issue date Nov 6, 1984
- Olympus Optical Co., Ltd.
- Tuneo Yanagida
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording system
- Patent number 4,390,907
- Issue date Jun 28, 1983
- Tokyo Shibaura Denki Kabushiki Kaisha
- Tatsuo Fujiwara
- G11 - INFORMATION STORAGE
Information Patent Grant
Recovery and demodulation of a pulse width modulation encoded signa...
- Patent number 4,271,438
- Issue date Jun 2, 1981
- William D. Cornell
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of recording a control signal adjacent another signal track...
- Patent number 4,229,771
- Issue date Oct 21, 1980
- Robert Bosch GmbH
- Richard Heinz
- G11 - INFORMATION STORAGE
Information Patent Grant
Video player/recorder with non-linear mark length modulation
- Patent number 4,222,072
- Issue date Sep 9, 1980
- Discovision Associates
- Jack H. Bailey
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording and playback modulation method and apparatus
- Patent number 4,186,411
- Issue date Jan 29, 1980
- Sony Corporation
- Toshihiko Numakura
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for magnetically recording and reproducing phy...
- Patent number 4,087,840
- Issue date May 2, 1978
- Carnegie Mellon University
- Ronald J. Zdrojkowski
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Differential duration demultiplexing method and system
- Patent number 4,051,539
- Issue date Sep 27, 1977
- Purdue Research Foundation
- Leslie A. Geddes
- G11 - INFORMATION STORAGE
Information Patent Grant
3840890
- Patent number 3,840,890
- Issue date Oct 8, 1974
- G11 - INFORMATION STORAGE
Information Patent Grant
3797038
- Patent number 3,797,038
- Issue date Mar 12, 1974
- G11 - INFORMATION STORAGE
Information Patent Grant
3339192
- Patent number 3,339,192
- Issue date Aug 29, 1967
- G11 - INFORMATION STORAGE
Information Patent Grant
3333275
- Patent number 3,333,275
- Issue date Jul 25, 1967
- G11 - INFORMATION STORAGE
Information Patent Grant
3258755
- Patent number 3,258,755
- Issue date Jun 28, 1966
- G11 - INFORMATION STORAGE
Information Patent Grant
3212076
- Patent number 3,212,076
- Issue date Oct 12, 1965
- G11 - INFORMATION STORAGE
Information Patent Grant
3058113
- Patent number 3,058,113
- Issue date Oct 9, 1962
- G11 - INFORMATION STORAGE
Information Patent Grant
3010094
- Patent number 3,010,094
- Issue date Nov 21, 1961
- G11 - INFORMATION STORAGE
Information Patent Grant
3009025
- Patent number 3,009,025
- Issue date Nov 14, 1961
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PULSE TESTING METHOD AND APPARATUS, TESTING DEVICE, AND STORAGE MEDIUM
- Publication number 20210231525
- Publication date Jul 29, 2021
- ZTE Corporation
- Xiaojian CAO
- G01 - MEASURING TESTING
Information Patent Application
Recording medium having EFM demodulation unit for adaptively re-ali...
- Publication number 20050249067
- Publication date Nov 10, 2005
- SAMSUNG ELECTRONICS CO., LTD.
- Dae-Woong Kim
- G11 - INFORMATION STORAGE
Information Patent Application
Double-attribute method of encoding and decoding magnetic data
- Publication number 20050018336
- Publication date Jan 27, 2005
- Kyle Kendrick Kirby
- G11 - INFORMATION STORAGE
Information Patent Application
TRIPLE-ATTRIBUTE METHOD OF ENCODING AND DECODING MAGNETIC DATA
- Publication number 20040160692
- Publication date Aug 19, 2004
- Kyle K. Kirby
- G11 - INFORMATION STORAGE
Information Patent Application
Method of conversion and converter of frequency modulated signal in...
- Publication number 20030081698
- Publication date May 1, 2003
- Vadim Minuhin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical information recording medium, method of manufacturing the o...
- Publication number 20020110063
- Publication date Aug 15, 2002
- Katsuyuki Yamada
- G11 - INFORMATION STORAGE

Pulse-modulation recording or reproducing

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Recording medium having EFM demodulation unit for adaptively re-ali...

Optical information recording medium, method of manufacturing the o...

Double-attribute method of encoding and decoding magnetic data

Triple-attribute method of encoding and decoding magnetic data

Precision, wide band pulse width modulator for digital to analog co...

Method and device for recording an optical information carrier

Method and device for recording an optical information carrier

Method and device for recording a mark having a substantially const...

Method and apparatus for recording and reproducing main and sub inf...

Apparatus for reading optically encoded soundtracks

Information signal recording and reproducing system capable of reco...

System for recording or detecting two marking signals on a record c...

Method for reading information or defect out of rotating disc

Magnetic recording and reproducing apparatus

Magnetic recording system

Recovery and demodulation of a pulse width modulation encoded signa...

Method of recording a control signal adjacent another signal track...

Video player/recorder with non-linear mark length modulation

Recording and playback modulation method and apparatus

Method and apparatus for magnetically recording and reproducing phy...

Differential duration demultiplexing method and system

3840890

3797038

3339192

3333275

3258755

3212076

3058113

3010094

3009025

Patents Applicationslast 30 patents

PULSE TESTING METHOD AND APPARATUS, TESTING DEVICE, AND STORAGE MEDIUM

Recording medium having EFM demodulation unit for adaptively re-ali...

Double-attribute method of encoding and decoding magnetic data

TRIPLE-ATTRIBUTE METHOD OF ENCODING AND DECODING MAGNETIC DATA

Method of conversion and converter of frequency modulated signal in...

Optical information recording medium, method of manufacturing the o...