wherein original, non-rewritable record carriers are recognised by trying to erase recorded data

Industry

CPC
G11B20/00108

This industry / category may be too specific. Please go to a parent level for more data

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

G11B20/00108wherein original, non-rewritable record carriers are recognised by trying to erase recorded data

Industries

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for recording and erasing user data on a recor...
- Patent number 10,410,671
- Issue date Sep 10, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Toshiaki Takasu
- G11 - INFORMATION STORAGE
Information Patent Grant
Limited use memory device with associated information
- Patent number 7,668,069
- Issue date Feb 23, 2010
- Searete LLC
- Bran Ferren
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording method, recording apparatus, reproducing method and repro...
- Patent number 7,486,599
- Issue date Feb 3, 2009
- Sony Corporation
- Satoshi Kitani
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording medium, recording-medium management method, and recording...
- Patent number 7,203,969
- Issue date Apr 10, 2007
- Kabushiki Kaisha Toshiba
- Masatoshi Sakurai
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording method, recording apparatus, reproducing method and repro...
- Patent number 7,173,889
- Issue date Feb 6, 2007
- Sony Corporation
- Satoshi Kitani
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium and method for recording and reproduci...
- Patent number 5,886,979
- Issue date Mar 23, 1999
- Fujitsu Limitd
- Mineo Moribe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for protecting data recorded on a partial read-only memory (...
- Patent number 5,790,499
- Issue date Aug 4, 1998
- NEC Corporation
- Masaki Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for protecting data recorded on a partial read-only memory (...
- Patent number 5,654,950
- Issue date Aug 5, 1997
- NEC Corporation
- Masaki Itoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for preventing copying of an optical disk
- Patent number 4,975,898
- Issue date Dec 4, 1990
- Sony Corporation
- Tadao Yoshida
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION RECORDING APPARATUS AND DATA ERASURE METHOD
- Publication number 20190066726
- Publication date Feb 28, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- Toshiaki TAKASU
- G11 - INFORMATION STORAGE
Information Patent Application
NON-AUTHENTIC DISC DEACTIVATION METHOD
- Publication number 20130312121
- Publication date Nov 21, 2013
- John Matthew Town
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RECORDING METHOD, RECORDING APPARATUS, REPRODUCING METHOD AND REPRO...
- Publication number 20070107064
- Publication date May 10, 2007
- Sony Corporation
- Satoshi KITANI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Limited use memory device with associated information
- Publication number 20060253692
- Publication date Nov 9, 2006
- Searete LLC, a limited liability corporation of the State of Delaware
- Bran Ferren
- G11 - INFORMATION STORAGE
Information Patent Application
Recording medium, recording-medium management method, and recording...
- Publication number 20040107355
- Publication date Jun 3, 2004
- Kabushiki Kaisha Toshiba
- Masatoshi Sakurai
- G11 - INFORMATION STORAGE
Information Patent Application
Recording method, recording apparatus, reproducing method and repro...
- Publication number 20030151991
- Publication date Aug 14, 2003
- Satoshi Kitani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

wherein original, non-rewritable record carriers are recognised by trying to erase recorded data

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Apparatus and method for recording and erasing user data on a recor...

Limited use memory device with associated information

Recording method, recording apparatus, reproducing method and repro...

Recording medium, recording-medium management method, and recording...

Recording method, recording apparatus, reproducing method and repro...

Information recording medium and method for recording and reproduci...

Method for protecting data recorded on a partial read-only memory (...

Method for protecting data recorded on a partial read-only memory (...

Method and apparatus for preventing copying of an optical disk

Patents Applicationslast 30 patents

INFORMATION RECORDING APPARATUS AND DATA ERASURE METHOD

NON-AUTHENTIC DISC DEACTIVATION METHOD

RECORDING METHOD, RECORDING APPARATUS, REPRODUCING METHOD AND REPRO...

Limited use memory device with associated information

Recording medium, recording-medium management method, and recording...

Recording method, recording apparatus, reproducing method and repro...