FR2643741B1 - OPTICAL MEMORY METHOD AND DEVICE - Google Patents

OPTICAL MEMORY METHOD AND DEVICE

Info

Publication number: FR2643741B1
Authority: FR; France
Prior art keywords: optical memory; memory method; optical; memory
Prior art date: 1988-06-10
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

FR8902446A

Other languages

French (fr)

Other versions

FR2643741A1 (en

Inventor

Lindmayer Joseph

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Quantex Corp

Original Assignee

Quantex Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-06-10

Filing date

1989-02-24

Publication date

1993-12-10

1988-06-10 Priority claimed from PCT/US1988/001981 external-priority patent/WO1989012304A1/en

1989-02-24 Application filed by Quantex Corp filed Critical Quantex Corp

1990-08-31 Publication of FR2643741A1 publication Critical patent/FR2643741A1/en

1993-12-10 Application granted granted Critical

1993-12-10 Publication of FR2643741B1 publication Critical patent/FR2643741B1/en

2009-02-24 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor

FR8902446A 1988-06-10 1989-02-24 OPTICAL MEMORY METHOD AND DEVICE Expired - Fee Related FR2643741B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
PCT/US1988/001981 WO1989012304A1 (en)	1988-06-10	1988-06-10	Optical memory method and system
CA000597798A CA1334217C (en)	1988-06-10	1989-04-26	Optical memory method and system

Publications (2)

Publication Number	Publication Date
FR2643741A1 FR2643741A1 (en)	1990-08-31
FR2643741B1 true FR2643741B1 (en)	1993-12-10

Family

ID=4139965

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR8902446A Expired - Fee Related FR2643741B1 (en)	1988-06-10	1989-02-24	OPTICAL MEMORY METHOD AND DEVICE

Country Status (6)

Country	Link
JP (1)	JPH03500945A (en)
CA (1)	CA1334217C (en)
DE (1)	DE3891324C2 (en)
FR (1)	FR2643741B1 (en)
GB (2)	GB2230628B (en)
NL (1)	NL8820967A (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2979467A (en) *	1958-06-30	1961-04-11	Ibm	Infrared stimulable phosphors
NL241458A (en) *	1958-07-23
US3341825A (en) *	1962-12-26	1967-09-12	Buuker Ramo Corp	Quantum mechanical information storage system
FR2137184B1 (en) *	1971-05-14	1976-03-19	Commissariat Energie Atomique
US4113353A (en) *	1974-04-20	1978-09-12	Akira Matsushita	Information processing optical device
US4170475A (en) *	1977-05-12	1979-10-09	Coulter Information Systems, Inc.	High speed electrophotographic method
US4549083A (en) *	1982-06-10	1985-10-22	Matsushita Electric Industrial Co., Ltd.	X-Ray imaging device for directly displaying X-ray images
AU4297485A (en) *	1984-04-24	1985-11-15	Alternative Energy Research Centre Inc.	Infrared sensitive phosphor and method of preparing same
US4704635A (en) *	1984-12-18	1987-11-03	Sol Nudelman	Large capacity, large area video imaging sensor
US4755324A (en) *	1985-11-15	1988-07-05	Quantex Corporation	Thermoluminescent material

1988
- 1988-06-10 DE DE3891324A patent/DE3891324C2/en not_active Expired - Fee Related
- 1988-06-10 JP JP1500106A patent/JPH03500945A/en active Pending
- 1988-06-10 NL NL8820967A patent/NL8820967A/en not_active Application Discontinuation
1989
- 1989-02-24 FR FR8902446A patent/FR2643741B1/en not_active Expired - Fee Related
- 1989-04-26 CA CA000597798A patent/CA1334217C/en not_active Expired - Fee Related
1990
- 1990-02-01 GB GB9002283A patent/GB2230628B/en not_active Expired - Fee Related
1992
- 1992-10-09 GB GB9221283A patent/GB2258747B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JPH03500945A (en)	1991-02-28
GB9221283D0 (en)	1992-11-25
CA1334217C (en)	1995-01-31
DE3891324C2 (en)	1994-09-08
GB2258747B (en)	1993-05-05
GB2230628B (en)	1993-02-24
GB9002283D0 (en)	1990-08-08
GB2258747A (en)	1993-02-17
NL8820967A (en)	1990-05-01
GB2230628A (en)	1990-10-24
FR2643741A1 (en)	1990-08-31

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Legal Events

Date	Code	Title	Description
1997-12-26	ST	Notification of lapse