GB1119268A - Hybrid circuit - Google Patents

Hybrid circuit

Info

Publication number
GB1119268A
GB1119268A GB49566/66A GB4956666A GB1119268A GB 1119268 A GB1119268 A GB 1119268A GB 49566/66 A GB49566/66 A GB 49566/66A GB 4956666 A GB4956666 A GB 4956666A GB 1119268 A GB1119268 A GB 1119268A
Authority
GB
United Kingdom
Prior art keywords
line
transistor
signals
microphone
circuit
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
GB49566/66A
Other languages
English (en)
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.)
Gylling and Co AB
Original Assignee
Gylling and Co 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 Gylling and Co AB filed Critical Gylling and Co AB
Publication of GB1119268A publication Critical patent/GB1119268A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/58—Anti-side-tone circuits
    • H04M1/585—Anti-side-tone circuits implemented without inductive element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB49566/66A 1965-12-16 1966-11-04 Hybrid circuit Expired GB1119268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE16307/65A SE316804B (pt) 1965-12-16 1965-12-16

Publications (1)

Publication Number Publication Date
GB1119268A true GB1119268A (en) 1968-07-10

Family

ID=20302033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB49566/66A Expired GB1119268A (en) 1965-12-16 1966-11-04 Hybrid circuit

Country Status (6)

Country Link
US (1) US3513259A (pt)
DE (1) DE1487228A1 (pt)
FR (1) FR1503218A (pt)
GB (1) GB1119268A (pt)
NL (2) NL6617469A (pt)
SE (1) SE316804B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404344A1 (fr) * 1977-09-27 1979-04-20 Jeumont Schneider Equipement electronique d'abonne, a circuit de conversion deux fils-quatre fils, pour central telephonique
DE2840250C2 (de) * 1978-09-15 1983-01-20 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine leitungsgespeiste Lautfernsprechstation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041411A (en) * 1958-06-10 1962-06-26 Donald C Beatty Automatic, circuit-condition-change-responsive, on-off control for loudspeaking telephone and the like
US3075045A (en) * 1960-08-29 1963-01-22 Bell Telephone Labor Inc Speakerphone

Also Published As

Publication number Publication date
NL136415C (pt)
FR1503218A (fr) 1967-11-24
US3513259A (en) 1970-05-19
DE1487228A1 (de) 1969-04-03
SE316804B (pt) 1969-11-03
NL6617469A (pt) 1967-06-19

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