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GB343893A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in or relating to sound reproducing apparatus
Assignee: Siemens and Halske AG
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Filing: 1929-11-20
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Granted: —
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Expires: 1949-11-20
Abstract
Abstract 343,893. Reproducing recorded sound. SIEMENS & HALSKE AKT.-GES., Siemensstadt, Berlin. Nov. 20, 1929, No. 35519. Convention date, Nov. 26, 1928. [Class 40 (ii).] Sound is reproduced from a record in the form of a mag. netized steel wire or band d which is wound from one spool r<2> to another spool r<1> and is provided with a belt g resting on the outer layers of the wire on the two spools so that the latter are driven in unison. One or more guide rollers r may be provided, and the belt g may be driven either from one guide roller or from one of the spools.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-22 22:08
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/30
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