BE879470A - Circuit repeteur et detecteur d'impulsions de cadran d'appel - Google Patents

Circuit repeteur et detecteur d'impulsions de cadran d'appel

Info

Publication number
BE879470A
BE879470A BE2/58142A BE2058142A BE879470A BE 879470 A BE879470 A BE 879470A BE 2/58142 A BE2/58142 A BE 2/58142A BE 2058142 A BE2058142 A BE 2058142A BE 879470 A BE879470 A BE 879470A
Authority
BE
Belgium
Prior art keywords
repeater
detector circuit
pulse dial
dial detector
pulse
Prior art date
Application number
BE2/58142A
Other languages
English (en)
Inventor
D Q Lee
R M Rovnyak
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 BE879470A publication Critical patent/BE879470A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
    • H04Q1/36—Pulse-correcting arrangements, e.g. for reducing effects due to interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE2/58142A 1979-02-21 1979-10-18 Circuit repeteur et detecteur d'impulsions de cadran d'appel BE879470A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/013,598 US4230912A (en) 1979-02-21 1979-02-21 Dial pulse sensor and repeater circuit

Publications (1)

Publication Number Publication Date
BE879470A true BE879470A (fr) 1980-02-15

Family

ID=21760760

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58142A BE879470A (fr) 1979-02-21 1979-10-18 Circuit repeteur et detecteur d'impulsions de cadran d'appel

Country Status (4)

Country Link
US (1) US4230912A (fr)
BE (1) BE879470A (fr)
CA (1) CA1135886A (fr)
IT (1) IT1141230B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4375014A (en) * 1981-02-17 1983-02-22 Great Lakes Communication Co. Of Michigan Current sensing trigger for a telephone system
GB2220820B (en) * 1988-07-13 1992-07-08 Philips Electronic Associated Telephone line loop current regulator
US5881146A (en) * 1996-02-05 1999-03-09 Dialogic Corporation Method and apparatus for determining digits dialed using a selected algorithm
WO1999053627A1 (fr) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies Systeme de communication avec un equipement electronique sur un reseau
CN103297033B (zh) * 2013-06-14 2016-06-08 南京电力自动化设备三厂有限公司 一种脉冲信号采集电路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819866A (en) * 1972-12-18 1974-06-25 Bell Telephone Labor Inc Light coupled loop current detector
US3867580A (en) * 1972-12-29 1975-02-18 Stromberg Carlson Corp Receiving circuits for digital signal distribution systems
US3848094A (en) * 1972-12-29 1974-11-12 Stromberg Carlson Corp Telephone battery feed circuit
US3867567A (en) * 1973-10-11 1975-02-18 Gte Automatic Electric Lab Inc Electronic data terminal interface
UST949003I4 (fr) 1975-05-14 1976-08-03
US4079272A (en) * 1976-03-31 1978-03-14 The Charles Stark Draper Laboratory, Inc. Optically isolated interface circuits
US4095125A (en) * 1977-02-28 1978-06-13 Bell Telephone Laboratories, Incorporated Pulse signal detector and/or filter
US4126765A (en) * 1977-12-12 1978-11-21 Gte Automatic Electric Laboratories Incorporated Detector circuit for sensing battery polarity and loop closure

Also Published As

Publication number Publication date
IT8019998A0 (it) 1980-02-19
IT1141230B (it) 1986-10-01
US4230912A (en) 1980-10-28
CA1135886A (fr) 1982-11-16

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BE879470A (fr) Circuit repeteur et detecteur d'impulsions de cadran d'appel

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19891031