BE830399A - Circuit de commande de sonnerie d'appel - Google Patents

Circuit de commande de sonnerie d'appel

Info

Publication number
BE830399A
BE830399A BE2054411A BE2054411A BE830399A BE 830399 A BE830399 A BE 830399A BE 2054411 A BE2054411 A BE 2054411A BE 2054411 A BE2054411 A BE 2054411A BE 830399 A BE830399 A BE 830399A
Authority
BE
Belgium
Prior art keywords
control circuit
call bell
bell control
call
circuit
Prior art date
Application number
BE2054411A
Other languages
English (en)
Inventor
G Acevedo
A Jhatakia
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 filed Critical
Publication of BE830399A publication Critical patent/BE830399A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
BE2054411A 1974-06-21 1975-06-19 Circuit de commande de sonnerie d'appel BE830399A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US481507A US3919488A (en) 1974-06-21 1974-06-21 Ring control circuit

Publications (1)

Publication Number Publication Date
BE830399A true BE830399A (fr) 1975-12-19

Family

ID=23912195

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2054411A BE830399A (fr) 1974-06-21 1975-06-19 Circuit de commande de sonnerie d'appel

Country Status (2)

Country Link
US (1) US3919488A (fr)
BE (1) BE830399A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4031332A (en) * 1976-02-02 1977-06-21 Cook Electric Company Telephone ringer insolator
US5694465A (en) * 1995-03-16 1997-12-02 Advanced Micro Devices, Inc. Integrated ringer for short telephone lines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045150A (en) * 1958-10-13 1962-07-17 Leach Corp Time delay circuit
US3131318A (en) * 1962-10-03 1964-04-28 Paul O Snyder Time controlled power circuit
US3445603A (en) * 1966-05-11 1969-05-20 Bell Telephone Labor Inc Arrangement for tripping ringing in intercept circuit
US3551754A (en) * 1968-11-04 1970-12-29 Stromberg Carlson Corp Sensitive pick-up relay

Also Published As

Publication number Publication date
US3919488A (en) 1975-11-11

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