NO863022D0 - Selektiv ringekrets for telefon. - Google Patents

Selektiv ringekrets for telefon.

Info

Publication number
NO863022D0
NO863022D0 NO863022A NO863022A NO863022D0 NO 863022 D0 NO863022 D0 NO 863022D0 NO 863022 A NO863022 A NO 863022A NO 863022 A NO863022 A NO 863022A NO 863022 D0 NO863022 D0 NO 863022D0
Authority
NO
Norway
Prior art keywords
phone
ring circuit
selective ring
selective
circuit
Prior art date
Application number
NO863022A
Other languages
English (en)
Other versions
NO170185B (no
NO170185C (no
NO863022L (no
Inventor
Philip John Del Monte
Jackie Lee Vanwey
Original Assignee
Philip John Del Monte
Jackie Lee Vanwey
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 Philip John Del Monte, Jackie Lee Vanwey filed Critical Philip John Del Monte
Publication of NO863022D0 publication Critical patent/NO863022D0/no
Publication of NO863022L publication Critical patent/NO863022L/no
Publication of NO170185B publication Critical patent/NO170185B/no
Publication of NO170185C publication Critical patent/NO170185C/no

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
NO863022A 1985-07-30 1986-07-28 Selektiv ringekrets for telefon NO170185C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/760,864 US4741024A (en) 1985-07-30 1985-07-30 Selective ringing circuit for a telephone

Publications (4)

Publication Number Publication Date
NO863022D0 true NO863022D0 (no) 1986-07-28
NO863022L NO863022L (no) 1987-02-02
NO170185B NO170185B (no) 1992-06-09
NO170185C NO170185C (no) 1992-09-16

Family

ID=25060394

Family Applications (1)

Application Number Title Priority Date Filing Date
NO863022A NO170185C (no) 1985-07-30 1986-07-28 Selektiv ringekrets for telefon

Country Status (6)

Country Link
US (1) US4741024A (no)
EP (1) EP0210941B1 (no)
AU (1) AU592507B2 (no)
CA (1) CA1249680A (no)
DE (1) DE3678061D1 (no)
NO (1) NO170185C (no)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040209A (en) * 1989-09-18 1991-08-13 Greenberg Melvin B Telephone ringing monitoring and control system
US5247570A (en) * 1989-10-02 1993-09-21 Product Engineering And Manufacturing, Inc. Telephone answering system and apparatus for direct caller selection of a party line extension
US5086458A (en) * 1989-10-02 1992-02-04 Product Engineering & Manufacturing, Inc. Telephone answering system and apparatus for direct caller selection of a party line extension
US5048076A (en) * 1990-01-16 1991-09-10 Maurer David L Control apparatus for an automated telephone attendant
US5392332A (en) * 1992-05-27 1995-02-21 Phonemate, Inc. Shared line telephone answering system with a telephone line-powered disconnect module
US5432844A (en) * 1992-06-26 1995-07-11 Phonemate, Inc. Shared line answering system with enhanced extension device features
US5446784A (en) * 1993-02-25 1995-08-29 Mactaggart; Donald Apparatus for coupling a telephone line to a telephone line subscriber device
DE69434524D1 (de) * 1993-09-01 2005-12-01 Canon Kk An ein Schaltnetzwerk mit unterscheidbaren Rufkennmustern anschliessbares Nachrichtengerät
US8165280B1 (en) 2005-09-22 2012-04-24 Verizon Services Organization Inc. Method and system for providing busy override service in a SIP-based network
US9860392B2 (en) 2015-06-05 2018-01-02 Silicon Laboratories Inc. Direct-current to alternating-current power conversion
CN114397511A (zh) * 2021-12-28 2022-04-26 杭州春来科技有限公司 用于防极化的高精度电导率检测电路

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1778768A (en) * 1929-05-04 1930-10-21 Bell Telephone Labor Inc Telephone-ringing system
US3230316A (en) * 1963-02-12 1966-01-18 Orbit Ind Inc Telephone isolation apparatus
US3916111A (en) * 1974-05-17 1975-10-28 Bell Telephone Labor Inc Telephone ringer isolator-ringing extender
US4001512A (en) * 1975-07-16 1977-01-04 Proctor & Associates Company Automatic telephone number identification circuit
JPS5235503A (en) * 1975-09-13 1977-03-18 Takamisawa Denki Seisakusho:Kk Stop ring circuit for telephone bell ring
US4021617A (en) * 1976-01-12 1977-05-03 Bell Telephone Laboratories, Incorporated Telephone ringer isolator
US4079205A (en) * 1976-02-12 1978-03-14 Cook Electric Company Automatic number identification device
US4054942A (en) * 1976-05-13 1977-10-18 Lorain Products Corporation Tip automatic number identification circuit
US4310723A (en) * 1980-08-01 1982-01-12 Svala Carl G Party line apparatus
US4472602A (en) * 1983-08-11 1984-09-18 At&T Technologies, Inc. Telephone set with transducer/ringer
US4587380A (en) * 1984-06-14 1986-05-06 Harris Corporation Interface for connecting standard telephones to party lines
US4700380A (en) * 1984-07-20 1987-10-13 Om Ahuja Solid state remote actuable switch
US4701949A (en) * 1985-08-09 1987-10-20 Keptel, Inc. Frequency responsive party telephone line selection apparatus and method

Also Published As

Publication number Publication date
EP0210941A2 (en) 1987-02-04
EP0210941A3 (en) 1988-10-05
NO170185B (no) 1992-06-09
US4741024A (en) 1988-04-26
NO170185C (no) 1992-09-16
AU592507B2 (en) 1990-01-11
AU6068186A (en) 1987-02-05
DE3678061D1 (de) 1991-04-18
EP0210941B1 (en) 1991-03-13
NO863022L (no) 1987-02-02
CA1249680A (en) 1989-01-31

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