CA315760A - Systeme payeur a cadran de telephone - Google Patents

Systeme payeur a cadran de telephone

Info

Publication number
CA315760A
CA315760A CA315760A CA315760DA CA315760A CA 315760 A CA315760 A CA 315760A CA 315760 A CA315760 A CA 315760A CA 315760D A CA315760D A CA 315760DA CA 315760 A CA315760 A CA 315760A
Authority
CA
Canada
Prior art keywords
toll system
telephone dial
dial switching
switching toll
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
CA315760A
Other languages
English (en)
Inventor
Samuel Skillman Thomas
James Berry Robert
Gerhard Freeth Lancelot
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
Publication date
Application granted granted Critical
Publication of CA315760A publication Critical patent/CA315760A/fr
Expired legal-status Critical Current

Links

CA315760A Systeme payeur a cadran de telephone Expired CA315760A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA315760T

Publications (1)

Publication Number Publication Date
CA315760A true CA315760A (fr) 1931-09-29

Family

ID=35275088

Family Applications (1)

Application Number Title Priority Date Filing Date
CA315760A Expired CA315760A (fr) Systeme payeur a cadran de telephone

Country Status (1)

Country Link
CA (1) CA315760A (fr)

Similar Documents

Publication Publication Date Title
CA315760A (fr) Systeme payeur a cadran de telephone
CA313837A (fr) Reseau telephonique a cadrans
CA318921A (fr) Systeme telephonique a commutateurs de perception
CA314913A (fr) Circuit payeur de systeme telephonique
CA312469A (fr) Mecanisme du cadran de telephone
CA315775A (fr) Systeme chercheur des commutateurs telephoniques
CA316576A (fr) Tableau distributeur telephonique
CA317094A (fr) Systeme de compteurs telephoniques
CA317095A (fr) Systeme de compteurs telephoniques
CA311250A (fr) Interrupteur telephonique
CA307473A (fr) Systeme telephonique
CA307474A (fr) Systeme telephonique
CA307475A (fr) Systeme telephonique
CA307500A (fr) Systeme telephonique
CA307864A (fr) Systeme telephonique
CA309302A (fr) Systeme telephonique
CA309316A (fr) Systeme telephonique
CA309343A (fr) Systeme telephonique
CA309943A (fr) Systeme telephonique
CA309944A (fr) Systeme telephonique
CA310352A (fr) Systeme telephonique
CA310472A (fr) Systeme telephonique
CA311310A (fr) Systeme telephonique
CA311311A (fr) Systeme telephonique
CA312631A (fr) Systeme telephonique