CA422909A - Appareil telephonique et circuit - Google Patents

Appareil telephonique et circuit

Info

Publication number
CA422909A
CA422909A CA422909A CA422909DA CA422909A CA 422909 A CA422909 A CA 422909A CA 422909 A CA422909 A CA 422909A CA 422909D A CA422909D A CA 422909DA CA 422909 A CA422909 A CA 422909A
Authority
CA
Canada
Prior art keywords
circuit
telephone apparatus
telephone
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
CA422909A
Other languages
English (en)
Inventor
R. Eaton George
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.)
Kellogg Switchboard and Supply Co
Original Assignee
Kellogg Switchboard and Supply Co
Publication date
Application granted granted Critical
Publication of CA422909A publication Critical patent/CA422909A/fr
Expired legal-status Critical Current

Links

CA422909A Appareil telephonique et circuit Expired CA422909A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA422909T

Publications (1)

Publication Number Publication Date
CA422909A true CA422909A (fr) 1944-09-26

Family

ID=35533909

Family Applications (1)

Application Number Title Priority Date Filing Date
CA422909A Expired CA422909A (fr) Appareil telephonique et circuit

Country Status (1)

Country Link
CA (1) CA422909A (fr)

Similar Documents

Publication Publication Date Title
CA422909A (fr) Appareil telephonique et circuit
CA422837A (fr) Appareil a decharges dans l'espace et circuit
CA424751A (fr) Circuit telephonique a conference
AU124725B2 (en) Electronic apparatus
CA422883A (fr) Appareil d'appels telephoniques
CA423185A (fr) Appareil de sous-station telephonique
CA424238A (fr) Appareil de sous-poste telephonique
CA423688A (fr) Circuit d'instrument telephonique
AU122030B2 (en) Vibrator and circuit therefor
CA419620A (fr) Dispositif a decharges dans l'espace et circuit
CA417695A (fr) Dispositif de prise de terre du circuit
CA420586A (fr) Tachymetre et circuit
CA423104A (fr) Appareil de disjoncteur
CA417949A (fr) Appareil electrique
CA420719A (fr) Appareil electrique
CA423466A (fr) Dispositif du cadran de telephone
AU130219B2 (en) Telephone exchange apparatus
CA419696A (fr) Procede et appareil a souder
CA422194A (fr) Dispositif d'appels telephoniques
CA424750A (fr) Dispositif d'appels telephoniques
CA424205A (fr) Dispositif de connexion et de blindage electrique
CA422635A (fr) Methode et appareil a calorifuger
AU123999B2 (en) Improvement in amplifier circuit
AU122229B2 (en) Resonant line and associated circuits
CA424159A (fr) Appareil de commande de circuit