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.)
S I F INTERNAZ FONOVIS Soc
Original Assignee
S I F INTERNAZ FONOVIS Soc
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Filing date
Publication date
Application filed by S I F INTERNAZ FONOVIS SocfiledCriticalS I F INTERNAZ FONOVIS Soc
Publication of GB1151759ApublicationCriticalpatent/GB1151759A/en
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
Landscapes
Optical Recording Or Reproduction
(AREA)
GB4640966A1965-10-161966-10-17Scanning or Reading Device for the Optical Sound Track of a Film.
ExpiredGB1151759A
(en)
Un dispositivo explorador optico perfeccionado que es ade- cuado para explorar pistas de registro en una superficie de registro de un portador de registro.