FR1200551A - Appareil électro-mécanique destiné à l'enregistrement automatique des communications téléphoniques et utilisable comme magnétophone
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Appareil électro-mécanique destiné à l'enregistrement automatique des communications téléphoniques et utilisable comme magnétophone
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H04M1/00—Substation equipment, e.g. for use by subscribers
H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
H04M1/65—Recording arrangements for recording a message from the calling party
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Signal Processing
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FR1200551D1958-07-211958-07-21Appareil électro-mécanique destiné à l'enregistrement automatique des communications téléphoniques et utilisable comme magnétophone
ExpiredFR1200551A
(fr)