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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F DUCRETET ET E ROGER Ste
HENRI LIORET
Original Assignee
F DUCRETET ET E ROGER Ste
HENRI LIORET
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by F DUCRETET ET E ROGER Ste, HENRI LIORETfiledCriticalF DUCRETET ET E ROGER Ste
Application grantedgrantedCritical
Publication of FR442508ApublicationCriticalpatent/FR442508A/fr
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
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
FR442508A1911-05-271912-04-13Dispositif d'enregistrement à distance d'une transmission téléphonique sur appareils phonographiques
ExpiredFR442508A
(fr)