BE905756A - SUPPLY CIRCUIT FOR TELEPHONE APPARATUS. - Google Patents

SUPPLY CIRCUIT FOR TELEPHONE APPARATUS.

Info

Publication number
BE905756A
BE905756A BE0/217410A BE217410A BE905756A BE 905756 A BE905756 A BE 905756A BE 0/217410 A BE0/217410 A BE 0/217410A BE 217410 A BE217410 A BE 217410A BE 905756 A BE905756 A BE 905756A
Authority
BE
Belgium
Prior art keywords
supply circuit
telephone apparatus
stabilization device
battery
current supply
Prior art date
Application number
BE0/217410A
Other languages
French (fr)
Inventor
Mario Covini
Pietro Ferrari
Covini Mario
Ferrari Pietro
Original Assignee
Gte Telecom Spa
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 Telecom Spa filed Critical Gte Telecom Spa
Publication of BE905756A publication Critical patent/BE905756A/en

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)
  • Devices For Supply Of Signal Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Circuit d'alimentation de courant pour appareil téléphonique, comprenant un dispositif de stockage et un dispositif de stabilisation, caractérisé en ce que ledit dispositif de stabilisation comporte une batterie ayant une caractéristique de tension stable.Current supply circuit for telephone apparatus, comprising a storage device and a stabilization device, characterized in that said stabilization device comprises a battery having a stable voltage characteristic.

BE0/217410A 1985-12-02 1986-11-14 SUPPLY CIRCUIT FOR TELEPHONE APPARATUS. BE905756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23054/85A IT1186131B (en) 1985-12-02 1985-12-02 POWER CIRCUIT FOR TELEPHONE DEVICES

Publications (1)

Publication Number Publication Date
BE905756A true BE905756A (en) 1987-03-02

Family

ID=11203298

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/217410A BE905756A (en) 1985-12-02 1986-11-14 SUPPLY CIRCUIT FOR TELEPHONE APPARATUS.

Country Status (3)

Country Link
BE (1) BE905756A (en)
GB (1) GB2183942A (en)
IT (1) IT1186131B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8713370D0 (en) * 1987-06-08 1987-07-15 Avery Ltd W & T Stand-by power supply
US5594735A (en) * 1992-04-10 1997-01-14 Nec Corporation TDMA mobile unit frequency synthesizer having power saving mode during transmit and receive slots
NZ260221A (en) * 1993-05-19 1996-09-25 Alcatel Australia Series regulator for bleed current
FR2758930A1 (en) * 1997-01-28 1998-07-31 Philips Electronics Nv POWER CIRCUIT ABSORBING CONSTANT CURRENT AND TELEPHONE DEVICE USING SUCH A CIRCUIT

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB752055A (en) * 1953-10-02 1956-07-04 Philips Electrical Ind Ltd Improvements in or relating to electric supply circuits
GB766378A (en) * 1954-08-11 1957-01-23 Mullard Radio Valve Co Ltd Improvements in or relating to voltage stabilising circuits
DE1059549B (en) * 1955-11-07 1959-06-18 Kienzle Apparate Gmbh Arrangement for taking a constant voltage from a current source of non-constant voltage
US3599073A (en) * 1968-12-18 1971-08-10 Texas Instruments Inc Voltage-regulated power supply with standby power capability
US4232200A (en) * 1978-10-23 1980-11-04 United Networks, Inc. Dialing system
JPS5987842A (en) * 1982-11-10 1984-05-21 Toshiba Corp Socket for integrated circuit/large scale integrated circuit
US4492876A (en) * 1983-07-18 1985-01-08 At&T Bell Laboratories Power supply switching arrangement
US4547629A (en) * 1984-02-06 1985-10-15 Comdial Technology Corporation Energy management circuit

Also Published As

Publication number Publication date
GB8628176D0 (en) 1986-12-31
GB2183942A (en) 1987-06-10
IT1186131B (en) 1987-11-18
IT8523054A0 (en) 1985-12-02

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SIEMENS TELECOMUNICAZIONI S.P.A.

Effective date: 19971130