CA765480A - Telephone signaling circuit - Google Patents

Telephone signaling circuit

Info

Publication number
CA765480A
CA765480A CA765480A CA765480DA CA765480A CA 765480 A CA765480 A CA 765480A CA 765480 A CA765480 A CA 765480A CA 765480D A CA765480D A CA 765480DA CA 765480 A CA765480 A CA 765480A
Authority
CA
Canada
Prior art keywords
signaling circuit
telephone signaling
telephone
circuit
signaling
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
CA765480A
Inventor
Albert E. Spencer, Jr.
A. Taebel Terry
C. Gebhardt Robert
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 CA765480A publication Critical patent/CA765480A/en
Expired legal-status Critical Current

Links

CA765480A Telephone signaling circuit Expired CA765480A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA765480T

Publications (1)

Publication Number Publication Date
CA765480A true CA765480A (en) 1967-08-15

Family

ID=36208894

Family Applications (1)

Application Number Title Priority Date Filing Date
CA765480A Expired CA765480A (en) Telephone signaling circuit

Country Status (1)

Country Link
CA (1) CA765480A (en)

Similar Documents

Publication Publication Date Title
CA765480A (en) Telephone signaling circuit
CA752496A (en) Telephone line circuit
CA774181A (en) Telephone line circuit
AU413177B2 (en) Subscriber telephone circuit
CA735038A (en) Telephone signalling circuits
CA754244A (en) Electronic switching telephone system
AU413623B2 (en) Electronic switching telephone system
CA752000A (en) Electronic switching telephone system
CA752498A (en) Electronic switching telephone system
CA754677A (en) Electronic switching telephone system
CA791228A (en) Telephone conference circuit
CA735036A (en) Signaling circuit
CA771268A (en) Automatic telephone circuit arrangements
CA761546A (en) Telephone signaling system
AU1918867A (en) Subscriber telephone circuit
CA690628A (en) Telephone signaling circuit
AU2630667A (en) Telephone signalling
AU2496267A (en) Telephone signalling
CA791230A (en) Telephone line circuit
CA791231A (en) Telephone line circuit
CA761547A (en) Telephone signaling repeater
CA709038A (en) Telephone signalling circuits
AU1981367A (en) Electronic switching telephone system
CA724742A (en) Telephone anti-sidetone circuit
CA735571A (en) Supervisory telephone circuit