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Moving coil microphone with an air cushion influenced by a perforated disc

Assignee: Alcatel Lucent Deutschland AG
•
Filing: 1943-08-29
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Granted: 1953-04-13
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Expires: 1963-08-29
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Abstract

No abstract record available.

Inventors

  • 👤 Beljaeff

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-05 21:30
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/222

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