JPS596549B2 - 電話機用３端子電源回路 - Google Patents

電話機用３端子電源回路

Info

Publication number
JPS596549B2
JPS596549B2 JP54083438A JP8343879A JPS596549B2 JP S596549 B2 JPS596549 B2 JP S596549B2 JP 54083438 A JP54083438 A JP 54083438A JP 8343879 A JP8343879 A JP 8343879A JP S596549 B2 JPS596549 B2 JP S596549B2
Authority
JP
Japan
Prior art keywords
circuit
terminal
voltage
power supply
supply circuit
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
JP54083438A
Other languages
English (en)
Japanese (ja)
Other versions
JPS568956A (en
Inventor
達博 長縄
誠 吉利
邦紘 加藤
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP54083438A priority Critical patent/JPS596549B2/ja
Priority to US06/124,632 priority patent/US4319094A/en
Priority to GB8006359A priority patent/GB2052213B/en
Priority to SE8001541A priority patent/SE450070B/sv
Priority to FR8004739A priority patent/FR2460576A1/fr
Priority to CA346,828A priority patent/CA1132735A/en
Priority to DK091480A priority patent/DK155068C/da
Priority to DE3008259A priority patent/DE3008259C2/de
Publication of JPS568956A publication Critical patent/JPS568956A/ja
Publication of JPS596549B2 publication Critical patent/JPS596549B2/ja
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)
  • Devices For Supply Of Signal Current (AREA)
  • Protection Of Static Devices (AREA)
JP54083438A 1979-07-03 1979-07-03 電話機用３端子電源回路 Expired JPS596549B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP54083438A JPS596549B2 (ja) 1979-07-03 1979-07-03 電話機用３端子電源回路
US06/124,632 US4319094A (en) 1979-07-03 1980-02-25 Three-terminal power supply circuit for telephone set
GB8006359A GB2052213B (en) 1979-07-03 1980-02-26 Three-terminal power supply circuit for telephone set
SE8001541A SE450070B (sv) 1979-07-03 1980-02-28 Trepolig strommatningskrets for telefonapparat
FR8004739A FR2460576A1 (fr) 1979-07-03 1980-03-03 Circuit d'alimentation a trois bornes pour appareil telephonique
CA346,828A CA1132735A (en) 1979-07-03 1980-03-03 Three-terminal power supply circuit for telephone set
DK091480A DK155068C (da) 1979-07-03 1980-03-04 Kontaktanordning til forsyning af en belastning med en udglattet, stabiliseret jaevnspaending
DE3008259A DE3008259C2 (de) 1979-07-03 1980-03-04 Schaltungsanordnung zur Versorgung einer Last mit Gleichspannung in Fernmeldeanlagen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54083438A JPS596549B2 (ja) 1979-07-03 1979-07-03 電話機用３端子電源回路

Publications (2)

Publication Number Publication Date
JPS568956A JPS568956A (en) 1981-01-29
JPS596549B2 true JPS596549B2 (ja) 1984-02-13

Family

ID=13802427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54083438A Expired JPS596549B2 (ja) 1979-07-03 1979-07-03 電話機用３端子電源回路

Country Status (8)

Country Link
US (1) US4319094A (enExample)
JP (1) JPS596549B2 (enExample)
CA (1) CA1132735A (enExample)
DE (1) DE3008259C2 (enExample)
DK (1) DK155068C (enExample)
FR (1) FR2460576A1 (enExample)
GB (1) GB2052213B (enExample)
SE (1) SE450070B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6328995U (enExample) * 1986-08-11 1988-02-25
JPH0537603U (ja) * 1991-10-31 1993-05-21 マルヤス工業株式会社 燃料配管用プロテクター

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500691A1 (fr) * 1981-02-23 1982-08-27 Pays Gerard Cellule d'alimentation electrique a redressement et regulation, notamment pour sonneries electroniques
DE3238416A1 (de) * 1982-10-16 1984-04-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zum speisen einer eine konstante betriebsspannung liefernden stromversorgungseinrichtung
FR2549667B1 (fr) * 1983-07-22 1985-10-04 Thomson Csf Circuit d'alimentation regulee notamment pour poste telephonique
DE3334988A1 (de) * 1983-09-24 1985-04-18 Elmeg Elektro-Mechanik Gmbh, 3150 Peine Schaltungsanordnung zur speisung von fernsprecheinrichtungen aus der leitung
US5125077A (en) * 1983-11-02 1992-06-23 Microsoft Corporation Method of formatting data from a mouse
SE455749B (sv) * 1986-12-09 1988-08-01 Ericsson Telefon Ab L M Anordning vid en hogtalareforsedd telefonapparat for att effektforsorja en till hogtalaren ansluten hogtalareforsterkare
DE3826765A1 (de) * 1988-08-04 1990-02-08 Deutsche Telephonwerk Kabel Schaltungsanordnung zur speisung elektronischer komponenten in kommunikations-endgeraeten ueber die anschlussleitungen
JP5015442B2 (ja) * 2005-10-11 2012-08-29 ローム株式会社 電流検出回路およびそれを用いた受光装置ならびに電子機器
US8134106B2 (en) 2005-10-11 2012-03-13 Rohm Co., Ltd. Current detection circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS495645B1 (enExample) * 1970-02-07 1974-02-08
CA930488A (en) * 1971-08-27 1973-07-17 C. J. Cowpland Michael Power supply
CH592392A5 (en) * 1975-09-30 1977-10-31 Sodeco Compteurs De Geneve Telephone circuit without inductances - couples microphone amplifiers output to subscriber line and consists of DC feedback transistor in series with Zener diode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6328995U (enExample) * 1986-08-11 1988-02-25
JPH0537603U (ja) * 1991-10-31 1993-05-21 マルヤス工業株式会社 燃料配管用プロテクター

Also Published As

Publication number Publication date
DK155068C (da) 1989-07-03
FR2460576B1 (enExample) 1984-11-30
GB2052213B (en) 1983-07-27
GB2052213A (en) 1981-01-21
SE8001541L (sv) 1981-01-04
DK155068B (da) 1989-01-30
DE3008259A1 (de) 1981-01-08
FR2460576A1 (fr) 1981-01-23
SE450070B (sv) 1987-06-01
DE3008259C2 (de) 1982-10-21
US4319094A (en) 1982-03-09
JPS568956A (en) 1981-01-29
DK91480A (da) 1981-01-04
CA1132735A (en) 1982-09-28

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