FR945856A - Appareil photomodulateur - Google Patents

Appareil photomodulateur

Info

Publication number: FR945856A
Authority: FR; France
Prior art keywords: photomodulator; photomodulator device
Prior art date: 1942-11-03
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

Application number

Other languages

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.)

Zeiss Ikon AG

Original Assignee

Zeiss Ikon AG

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.)

1942-11-03

Filing date

1943-09-29

Publication date

1949-05-17

1943-09-29 Application filed by Zeiss Ikon AG filed Critical Zeiss Ikon AG

1949-05-17 Application granted granted Critical

1949-05-17 Publication of FR945856A publication Critical patent/FR945856A/fr

Status Expired 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

FR945856D 1942-11-03 1943-09-29 Appareil photomodulateur Expired FR945856A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE945856X		1942-11-03

Publications (1)

Publication Number	Publication Date
FR945856A true FR945856A (fr)	1949-05-17

Family

ID=6918172

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR945856D Expired FR945856A (fr)	1942-11-03	1943-09-29	Appareil photomodulateur

Country Status (1)

Country	Link
FR (1)	FR945856A (fr)

1943
- 1943-09-29 FR FR945856D patent/FR945856A/fr not_active Expired

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