Patent FR753659A successfully refreshed from Google Patents.
FR753659A
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Device for measuring the ratio of two sinusoidal voltages and in particular for measuring the gain of an amplifier
Assignee: Lignes Telegraphiques et Telephoniques LTT SA
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Filing: 1932-07-28
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Granted: 1933-10-21
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Expires: 1952-07-28
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 14:21
CPC Classifications
H; H04; H04R; H04R29/00
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