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.)
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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.)
Filing date
Publication date
Application filed by Fernseh GmbHfiledCriticalFernseh GmbH
Priority to FR19534ApriorityCriticalpatent/FR1443471A/fr
Application grantedgrantedCritical
Publication of FR1443471ApublicationCriticalpatent/FR1443471A/fr
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
G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
G11B7/24003—Shapes of record carriers other than disc shape
FR19534A1965-06-041965-06-04Dispositif d'enregistrement ou de réception de signaux électriques
ExpiredFR1443471A
(fr)