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.)
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Electrical Research Products Inc
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Electrical Research Products Inc
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Priority claimed from US273429Aexternal-prioritypatent/US2243089A/en
Priority claimed from US307030Aexternal-prioritypatent/US2243090A/en
Application filed by Electrical Research Products IncfiledCriticalElectrical Research Products Inc
Application grantedgrantedCritical
Publication of FR865087ApublicationCriticalpatent/FR865087A/fr
G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
FR865087D1939-05-131940-04-22Système de signalisation
ExpiredFR865087A
(fr)