CA422829A - Teletypewriter switching system - Google Patents

Teletypewriter switching system

Info

Publication number
CA422829A
CA422829A CA422829A CA422829DA CA422829A CA 422829 A CA422829 A CA 422829A CA 422829 A CA422829 A CA 422829A CA 422829D A CA422829D A CA 422829DA CA 422829 A CA422829 A CA 422829A
Authority
CA
Canada
Prior art keywords
switching system
teletypewriter switching
teletypewriter
switching
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
CA422829A
Other languages
French (fr)
Inventor
Edward Waddington Walter
Rudolph Starr Harry
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 CA422829A publication Critical patent/CA422829A/en
Expired legal-status Critical Current

Links

CA422829A Teletypewriter switching system Expired CA422829A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA422829T

Publications (1)

Publication Number Publication Date
CA422829A true CA422829A (en) 1944-09-19

Family

ID=35533827

Family Applications (1)

Application Number Title Priority Date Filing Date
CA422829A Expired CA422829A (en) Teletypewriter switching system

Country Status (1)

Country Link
CA (1) CA422829A (en)

Similar Documents

Publication Publication Date Title
CA422829A (en) Teletypewriter switching system
CA420433A (en) Interrupter system
CA424763A (en) Teletypewriter exchange system
AU122917B2 (en) Pulse type telegraph system
AU123413B2 (en) Telecommunication switching systems
AU124390B2 (en) Telecommunication switching systems
CA419732A (en) Multiplex telegraph system
CA419734A (en) Multiplex telegraph system
CA423189A (en) Typewheel teletypewriter
CA422226A (en) Communication system
CA418753A (en) Communication system
CA418714A (en) Communication system
CA422523A (en) Communication system
CA420434A (en) Balanced interrupter system
CA418676A (en) Multiple transformer switching system
CA423279A (en) Pilot-wire system
CA418919A (en) Telegraph printing system
AU124296B2 (en) Telecommunication systems
AU126394B2 (en) Telecommunication systems
CA418907A (en) Signalling system
AU121784B2 (en) Signalling system
CA422196A (en) Signalling system
CA422032A (en) Signalling system
CA423176A (en) Signalling system
AU127435B2 (en) Signalling system