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
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 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.
Dispositif de prélèvement du son pour l'exploration simultanée d'un enregistrement en profondeur et d'un enregistrement dans le plan du support du son, dans un sillon d'un disque