BE879056A - Circuit de transmission telephonique a boucle variable - Google Patents

Circuit de transmission telephonique a boucle variable

Info

Publication number
BE879056A
BE879056A BE2/58106A BE2058106A BE879056A BE 879056 A BE879056 A BE 879056A BE 2/58106 A BE2/58106 A BE 2/58106A BE 2058106 A BE2058106 A BE 2058106A BE 879056 A BE879056 A BE 879056A
Authority
BE
Belgium
Prior art keywords
transmission circuit
telephone transmission
variable loop
loop telephone
variable
Prior art date
Application number
BE2/58106A
Other languages
English (en)
Inventor
V G Burger
Original Assignee
Gte Automatic Electric Lab Inc
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 Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Publication of BE879056A publication Critical patent/BE879056A/fr

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BE2/58106A 1978-12-29 1979-09-28 Circuit de transmission telephonique a boucle variable BE879056A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/974,393 US4238645A (en) 1978-12-29 1978-12-29 Variable loop telephone transmission circuit

Publications (1)

Publication Number Publication Date
BE879056A true BE879056A (fr) 1980-01-16

Family

ID=25521983

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58106A BE879056A (fr) 1978-12-29 1979-09-28 Circuit de transmission telephonique a boucle variable

Country Status (5)

Country Link
US (1) US4238645A (fr)
JP (1) JPS5593357A (fr)
BE (1) BE879056A (fr)
CA (1) CA1134083A (fr)
IT (1) IT1126655B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6163579A (en) * 1998-03-04 2000-12-19 Analog Devices, Inc. Broadband modem transformer hybird

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3517138A (en) * 1967-09-25 1970-06-23 Automatic Elect Lab Long loop anti-side-tone telephone circuit

Also Published As

Publication number Publication date
CA1134083A (fr) 1982-10-19
IT1126655B (it) 1986-05-21
IT7928307A0 (it) 1979-12-21
US4238645A (en) 1980-12-09
JPS5593357A (en) 1980-07-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19890930