FR2055900A5 - - Google Patents

Info

Publication number
FR2055900A5
FR2055900A5 FR6926875A FR6926875A FR2055900A5 FR 2055900 A5 FR2055900 A5 FR 2055900A5 FR 6926875 A FR6926875 A FR 6926875A FR 6926875 A FR6926875 A FR 6926875A FR 2055900 A5 FR2055900 A5 FR 2055900A5
Authority
FR
France
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
FR6926875A
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to FR6926875A priority Critical patent/FR2055900A5/fr
Priority to SE07285/70A priority patent/SE367111B/xx
Priority to US59569A priority patent/US3707606A/en
Priority to NO3014/70A priority patent/NO132216C/no
Priority to GB3769270A priority patent/GB1318054A/en
Application granted granted Critical
Publication of FR2055900A5 publication Critical patent/FR2055900A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/04—Arrangements for indicating calls or supervising connections for calling or clearing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Transceivers (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR6926875A 1969-08-05 1969-08-05 Expired FR2055900A5 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR6926875A FR2055900A5 (fr) 1969-08-05 1969-08-05
SE07285/70A SE367111B (fr) 1969-08-05 1970-05-27
US59569A US3707606A (en) 1969-08-05 1970-07-30 Arrangement for operators telephone set
NO3014/70A NO132216C (fr) 1969-08-05 1970-08-04
GB3769270A GB1318054A (en) 1969-08-05 1970-08-04 Telephone set arrangements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6926875A FR2055900A5 (fr) 1969-08-05 1969-08-05

Publications (1)

Publication Number Publication Date
FR2055900A5 true FR2055900A5 (fr) 1971-05-14

Family

ID=9038660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6926875A Expired FR2055900A5 (fr) 1969-08-05 1969-08-05

Country Status (5)

Country Link
US (1) US3707606A (fr)
FR (1) FR2055900A5 (fr)
GB (1) GB1318054A (fr)
NO (1) NO132216C (fr)
SE (1) SE367111B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536888A (en) * 1981-08-21 1985-08-20 Plantronics, Inc. Voice communication instrument system with line-powered receiver conditioning circuit
IT1218851B (it) * 1984-10-31 1990-04-24 Ates Componenti Elettron Circuito integrato per la trasmissione di segnali di tipo telefonico, con limitazione d'ampiezza dei picchi negativi delle forme d'onda dei segnali trasmessi
US4879746A (en) * 1987-12-30 1989-11-07 Plantronics, Inc. Voice communication link interface apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL254433A (fr) * 1960-08-01
US3395255A (en) * 1964-07-01 1968-07-30 Bell Telephone Labor Inc Loudspeaking telephone
US3562791A (en) * 1967-12-07 1971-02-09 Int Standard Electric Corp Loudspeaker telephone circuit arrangement
US3558830A (en) * 1969-04-09 1971-01-26 Communication Technology Inc Overvoltage transmission line protector
BE759917A (fr) * 1969-12-08 1971-05-17 Western Electric Co Reseau a frequence acoustique

Also Published As

Publication number Publication date
GB1318054A (en) 1973-05-23
US3707606A (en) 1972-12-26
SE367111B (fr) 1974-05-13
NO132216C (fr) 1975-10-01
NO132216B (fr) 1975-06-23

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Legal Events

Date Code Title Description
ST Notification of lapse