CH152938A - Verfahren zur Aufzeichnung des Schalles bei Tonfilmen, Vorrichtung zur Ausübung des Verfahrens und durch das Verfahren hergestellten Tonfilm.
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Verfahren zur Aufzeichnung des Schalles bei Tonfilmen, Vorrichtung zur Ausübung des Verfahrens und durch das Verfahren hergestellten Tonfilm.
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Publication number
CH152938A
CH152938ACH152938DACH152938ACH 152938 ACH152938 ACH 152938ACH 152938D ACH152938D ACH 152938DACH 152938 ACH152938 ACH 152938A
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Application filed by Heinrich Dr KoenemannfiledCriticalHeinrich Dr Koenemann
Publication of CH152938ApublicationCriticalpatent/CH152938A/de
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
G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
G11B7/0032—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent for moving-picture soundtracks, i.e. cinema
CH152938D1931-01-081931-01-08Verfahren zur Aufzeichnung des Schalles bei Tonfilmen, Vorrichtung zur Ausübung des Verfahrens und durch das Verfahren hergestellten Tonfilm.
CH152938A
(de)