DE3061070D1 - Voltage stabiliser suitable for a telephone set - Google Patents

Voltage stabiliser suitable for a telephone set

Info

Publication number
DE3061070D1
DE3061070D1 DE8080200904T DE3061070T DE3061070D1 DE 3061070 D1 DE3061070 D1 DE 3061070D1 DE 8080200904 T DE8080200904 T DE 8080200904T DE 3061070 T DE3061070 T DE 3061070T DE 3061070 D1 DE3061070 D1 DE 3061070D1
Authority
DE
Germany
Prior art keywords
telephone set
voltage stabiliser
stabiliser suitable
voltage
telephone
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8080200904T
Other languages
English (en)
Inventor
Josephus Johannes Anto Geboers
Daniel Johannes Gerard Janssen
Johannes Bloos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3061070D1 publication Critical patent/DE3061070D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Devices For Supply Of Signal Current (AREA)
DE8080200904T 1979-10-01 1980-09-26 Voltage stabiliser suitable for a telephone set Expired DE3061070D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7907275A NL7907275A (nl) 1979-10-01 1979-10-01 Spanningsstabilisator geschikt voor een telefoon- toestel.

Publications (1)

Publication Number Publication Date
DE3061070D1 true DE3061070D1 (en) 1982-12-16

Family

ID=19833946

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080200904T Expired DE3061070D1 (en) 1979-10-01 1980-09-26 Voltage stabiliser suitable for a telephone set

Country Status (7)

Country Link
US (1) US4341991A (de)
EP (1) EP0026541B1 (de)
JP (1) JPS5657356A (de)
AU (1) AU533915B2 (de)
CA (1) CA1163389A (de)
DE (1) DE3061070D1 (de)
NL (1) NL7907275A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8103419A (nl) * 1981-04-01 1982-11-01 Philips Nv Lijntestcircuit voor een abonneetelefoontoestel.
WO1987000717A1 (en) * 1985-07-18 1987-01-29 International Standard Electric Corporation A telephone line switch
GB2187363B (en) * 1985-07-18 1989-08-02 Int Standard Electric Corp A telephone line switch
NL8601548A (nl) * 1986-06-16 1988-01-18 Philips Nv Telefoontoestel voorzien van een lijnspanningsstabilisator met een dc-voedingspunt.
GB2225908B (en) * 1988-11-11 1993-01-13 Texas Instruments Ltd Improvements in or relating to overvoltage protection circuits
US5216710A (en) * 1991-01-07 1993-06-01 Winbond Electronics Corp. Liquid crystal display driver and power supply
JP6030898B2 (ja) * 2012-09-18 2016-11-24 東芝シュネデール・インバータ株式会社 電圧バランス回路
DE102013219173B4 (de) * 2013-09-24 2016-03-03 Siemens Aktiengesellschaft Spannungsversorgung für elektrische Fokussierung von Elektronenstrahlen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174095A (en) * 1960-11-18 1965-03-16 Bell Telephone Labor Inc Bilateral constant voltage source
NL7402575A (nl) * 1974-02-26 1975-08-28 Philips Nv Elektronisch telefoontoestel.
CA1032221A (en) * 1974-06-14 1978-05-30 Mitel Canada Limited Telephone line impedance regulator

Also Published As

Publication number Publication date
NL7907275A (nl) 1981-04-03
CA1163389A (en) 1984-03-06
AU533915B2 (en) 1983-12-15
JPS6247384B2 (de) 1987-10-07
JPS5657356A (en) 1981-05-19
US4341991A (en) 1982-07-27
EP0026541A1 (de) 1981-04-08
EP0026541B1 (de) 1982-11-10
AU6281780A (en) 1981-04-09

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee