CA1054276A - Circuit telephonique permettant d'eviter l'emploi du bouton d'attente - Google Patents

Circuit telephonique permettant d'eviter l'emploi du bouton d'attente

Info

Publication number
CA1054276A
CA1054276A CA262,639A CA262639A CA1054276A CA 1054276 A CA1054276 A CA 1054276A CA 262639 A CA262639 A CA 262639A CA 1054276 A CA1054276 A CA 1054276A
Authority
CA
Canada
Prior art keywords
coupled
transmitter
circuit according
amplifier
receiver
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
CA262,639A
Other languages
English (en)
Inventor
Richard E. Herlacher
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/622,287 external-priority patent/US4004107A/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of CA1054276A publication Critical patent/CA1054276A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Telephonic Communication Services (AREA)
CA262,639A 1975-10-10 1976-10-04 Circuit telephonique permettant d'eviter l'emploi du bouton d'attente Expired CA1054276A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/622,287 US4004107A (en) 1975-02-11 1975-10-10 Telephone circuit to eliminate use of a hold button

Publications (1)

Publication Number Publication Date
CA1054276A true CA1054276A (fr) 1979-05-08

Family

ID=24493635

Family Applications (1)

Application Number Title Priority Date Filing Date
CA262,639A Expired CA1054276A (fr) 1975-10-10 1976-10-04 Circuit telephonique permettant d'eviter l'emploi du bouton d'attente

Country Status (2)

Country Link
BR (1) BR7606759A (fr)
CA (1) CA1054276A (fr)

Also Published As

Publication number Publication date
BR7606759A (pt) 1977-08-30

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