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
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GB21065/31A
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Individual
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Individual
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Publication of GB382308ApublicationCriticalpatent/GB382308A/en
Signal Processing Not Specific To The Method Of Recording And Reproducing
(AREA)
Abstract
382,308. Combined sound and picture films. KUPFER, R., 27, Hardenbergstrasse, Charlottenburg, Berlin. July 23, 1931, No. 21065. Convention date, Aug. 1, 1930. Drawings to Specification. [Class 40 (ii).] A metal film bearing a sound record and pictures is arranged with the sound recorded on that portion of the film which carries the corresponding picture. The sounds may be recorded photographically, or magnetically, or by etching, engraving or the like. The sound record may be disposed either alongside the picture or on the opposite side of the film to the picture so as to employ any part of the width of the film. The pictures are adapted to be reproduced with the film moving continuously.
GB21065/31A1930-08-011931-07-23Improvements in or relating to combined sound record and picture films
ExpiredGB382308A
(en)