BE881076A - Generateur de signaux de sonnerie - Google Patents

Generateur de signaux de sonnerie

Info

Publication number
BE881076A
BE881076A BE2/58331A BE2058331A BE881076A BE 881076 A BE881076 A BE 881076A BE 2/58331 A BE2/58331 A BE 2/58331A BE 2058331 A BE2058331 A BE 2058331A BE 881076 A BE881076 A BE 881076A
Authority
BE
Belgium
Prior art keywords
signal generator
ringer signal
ringer
generator
signal
Prior art date
Application number
BE2/58331A
Other languages
English (en)
Inventor
J A Gauthier
D M Shaver
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 BE881076A publication Critical patent/BE881076A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
    • H04Q5/08—Signalling by continuous ac
    • H04Q5/10—Signalling by continuous ac using single frequencies for different subscribers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE2/58331A 1979-04-09 1980-01-10 Generateur de signaux de sonnerie BE881076A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/028,622 US4282410A (en) 1979-04-09 1979-04-09 Ringing signal generator

Publications (1)

Publication Number Publication Date
BE881076A true BE881076A (fr) 1980-05-02

Family

ID=21844481

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58331A BE881076A (fr) 1979-04-09 1980-01-10 Generateur de signaux de sonnerie

Country Status (4)

Country Link
US (1) US4282410A (fr)
BE (1) BE881076A (fr)
CA (1) CA1145494A (fr)
IT (1) IT1140818B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393491A (en) * 1980-11-05 1983-07-12 Anaconda-Ericsson Automatic self-test system for a digital multiplexed telecommunication system
US4406004A (en) * 1980-11-05 1983-09-20 Anaconda-Ericsson, Inc. Ring scheduling apparatus for a digital multiplexed telecommunication system
US4340785A (en) * 1981-01-26 1982-07-20 Northern Telecom Limited Ringing signal supply
US4341928A (en) * 1981-01-28 1982-07-27 Northern Telecom Limited Ringing signal supply
US4477697A (en) * 1982-11-22 1984-10-16 At&T Bell Laboratories Method and circuitry for encoding telephone ringing signals
US4567330A (en) * 1984-06-14 1986-01-28 Harris Corporation Interface for connecting standard telephones to party lines
US4631361A (en) * 1984-06-28 1986-12-23 Itt Corporation Programmable ring generator
JPH07162550A (ja) * 1993-12-07 1995-06-23 Brother Ind Ltd 電話装置
JP3229469B2 (ja) * 1993-12-07 2001-11-19 ブラザー工業株式会社 ファクシミリ装置
US5673313A (en) * 1993-12-07 1997-09-30 Brother Kogyo Kabushiki Kaisha Telephone set of distinctive ringing type wherein pattern of telephone number call signal is registered for determination of telephone number being called
KR970024789A (ko) * 1995-10-16 1997-05-30 김광호 전화기에서 벨소리 다양화 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581020A (en) * 1969-08-22 1971-05-25 Itt Ringing tone distribution circuits
US4061909A (en) * 1975-07-23 1977-12-06 Bryant A William Variable waveform synthesizer using digital circuitry

Also Published As

Publication number Publication date
CA1145494A (fr) 1983-04-26
US4282410A (en) 1981-08-04
IT1140818B (it) 1986-10-10
IT8021132A0 (it) 1980-04-02

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19840110