CA429048A - Transmetteur d'appels telephoniques - Google Patents

Transmetteur d'appels telephoniques

Info

Publication number
CA429048A
CA429048A CA429048A CA429048DA CA429048A CA 429048 A CA429048 A CA 429048A CA 429048 A CA429048 A CA 429048A CA 429048D A CA429048D A CA 429048DA CA 429048 A CA429048 A CA 429048A
Authority
CA
Canada
Prior art keywords
telephone call
call transmitter
transmitter
telephone
call
Prior art date
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.)
Expired
Application number
CA429048A
Other languages
English (en)
Inventor
Alley Hubbard Francis
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Bell Telephone Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA429048A publication Critical patent/CA429048A/fr
Expired legal-status Critical Current

Links

CA429048A Transmetteur d'appels telephoniques Expired CA429048A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA429048T

Publications (1)

Publication Number Publication Date
CA429048A true CA429048A (fr) 1945-07-24

Family

ID=35544037

Family Applications (1)

Application Number Title Priority Date Filing Date
CA429048A Expired CA429048A (fr) Transmetteur d'appels telephoniques

Country Status (1)

Country Link
CA (1) CA429048A (fr)

Similar Documents

Publication Publication Date Title
CA429048A (fr) Transmetteur d'appels telephoniques
CA426423A (fr) Transmetteur des appels telephoniques
CA426774A (fr) Transmetteur d'appels telephoniques
CA427449A (fr) Systeme d'appels telephoniques
CA428749A (fr) Suspension du monotelephone
CA427452A (fr) Transmetteur a clavier d'appels telephoniques
CA422040A (fr) Transmetteur des appels telephoniques
CA429735A (fr) Tableau pour communications telephoniques
CA425758A (fr) Systeme telephonique
CA426425A (fr) Systeme telephonique
CA426427A (fr) Systeme telephonique
CA426733A (fr) Systeme telephonique
CA426735A (fr) Systeme telephonique
CA426766A (fr) Systeme telephonique
CA426768A (fr) Systeme telephonique
CA426769A (fr) Systeme telephonique
CA426770A (fr) Systeme telephonique
CA426771A (fr) Systeme telephonique
CA426772A (fr) Systeme telephonique
CA426776A (fr) Systeme telephonique
CA426777A (fr) Systeme telephonique
CA426778A (fr) Systeme telephonique
CA426780A (fr) Systeme telephonique
CA426781A (fr) Systeme telephonique
CA427094A (fr) Systeme telephonique