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AUTOMATIC ELECTRIC C SOC
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AUTOMATIC ELECTRIC C SOC
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Application filed by AUTOMATIC ELECTRIC C SOCfiledCriticalAUTOMATIC ELECTRIC C SOC
Application grantedgrantedCritical
Publication of FR436734ApublicationCriticalpatent/FR436734A/fr
H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/26—Devices for calling a subscriber
H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Structure Of Telephone Exchanges
(AREA)
FR436734A1911-10-031911-10-11Dispositif d'appel pour systèmes téléphoniques
ExpiredFR436734A
(fr)