SE452834B - Transistoriserad likriktarbrygga for anslutning av en abonnenttelefon till en telefonledning - Google Patents

Transistoriserad likriktarbrygga for anslutning av en abonnenttelefon till en telefonledning

Info

Publication number
SE452834B
SE452834B SE8203980A SE8203980A SE452834B SE 452834 B SE452834 B SE 452834B SE 8203980 A SE8203980 A SE 8203980A SE 8203980 A SE8203980 A SE 8203980A SE 452834 B SE452834 B SE 452834B
Authority
SE
Sweden
Prior art keywords
transistor
current
circuit
diode
base
Prior art date
Application number
SE8203980A
Other languages
English (en)
Swedish (sv)
Other versions
SE8203980D0 (sv
SE8203980L (sv
Inventor
M Siligoni
N Rossetti
Original Assignee
Ates Componenti Elettron
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 Ates Componenti Elettron filed Critical Ates Componenti Elettron
Publication of SE8203980D0 publication Critical patent/SE8203980D0/xx
Publication of SE8203980L publication Critical patent/SE8203980L/
Publication of SE452834B publication Critical patent/SE452834B/sv

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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
    • H02M7/2195—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration the switches being synchronously commutated at the same frequency of the AC input voltage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Rectifiers (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Networks Using Active Elements (AREA)
SE8203980A 1981-06-30 1982-06-28 Transistoriserad likriktarbrygga for anslutning av en abonnenttelefon till en telefonledning SE452834B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8122636A IT1211072B (it) 1981-06-30 1981-06-30 Circuito raddrizzatore a ponte di transistori per uso telefonico.

Publications (3)

Publication Number Publication Date
SE8203980D0 SE8203980D0 (sv) 1982-06-28
SE8203980L SE8203980L (sv) 1982-12-31
SE452834B true SE452834B (sv) 1987-12-14

Family

ID=11198691

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8203980A SE452834B (sv) 1981-06-30 1982-06-28 Transistoriserad likriktarbrygga for anslutning av en abonnenttelefon till en telefonledning

Country Status (9)

Country Link
US (1) US4501933A (ja)
JP (1) JPS589460A (ja)
CA (1) CA1186825A (ja)
DE (1) DE3224209A1 (ja)
DK (1) DK158185C (ja)
FR (1) FR2508745B1 (ja)
GB (1) GB2102248B (ja)
IT (1) IT1211072B (ja)
SE (1) SE452834B (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1212518B (it) * 1982-01-29 1989-11-22 Ates Componenti Elettron Circuito raddrizzatore a ponte di transistori, con protezione controle sovracorrenti, per uso telefonico.
EP0214243B1 (en) * 1985-03-08 1990-07-18 PASSY & PASSY, INC. Tracheostomy device
DE3831454A1 (de) * 1988-09-16 1990-03-29 Philips Patentverwaltung Vollweg-gleichrichterschaltung
JPH0618396B2 (ja) * 1989-07-03 1994-03-09 ローム株式会社 電話機用電源回路
US5913848A (en) * 1996-06-06 1999-06-22 Luther Medical Products, Inc. Hard tip over-the-needle catheter and method of manufacturing the same
US5936514A (en) * 1996-09-27 1999-08-10 Rosemount Inc. Power supply input circuit for field instrument
FR2769771B1 (fr) * 1997-10-15 1999-12-31 Valeo Equip Electr Moteur Dispositif pour le redressement synchrone d'un alternateur
US20100073978A1 (en) * 2008-09-25 2010-03-25 Infineon Technologies Ag Bridge rectifier circuit with bipolar transistors
US10230309B2 (en) 2017-07-02 2019-03-12 Champion Microelectronics Corporation Synchronous bridge rectifier, methods of operation thereof and components thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434034A (en) * 1967-03-14 1969-03-18 Hewlett Packard Co Universal ac or dc to dc converter
BE793286A (fr) * 1971-12-22 1973-04-16 Thorn General Telephone Ltd Circuit pour prelever de l'energie sur une ligne dans laquelle passe uncourant
CA954644A (en) * 1972-11-28 1974-09-10 Arthur D. Moore Polarity guard
CH592989A5 (en) * 1975-09-30 1977-11-15 Sodeco Compteurs De Geneve Switching circuit supply for telephone subscriber equipment - has Graetz bridge network using transistors which provides switched supply dependent upon subscriber loop polarity
DE2639601C2 (de) * 1976-09-02 1985-03-07 Siemens AG, 1000 Berlin und 8000 München Brückenschaltung mit geringen Spannungsverlusten
FR2422300A1 (fr) * 1978-04-03 1979-11-02 Trt Telecom Radio Electr Joncteur comportant un amplificateur de puissance symetrique pour alimenter la ligne d'abonne
FR2437757A2 (fr) * 1978-06-26 1980-04-25 Trt Telecom Radio Electr Joncteur d'abonne destine a assurer un couplage en deux fils ou quatre fils avec un central telephonique
DE2931436C2 (de) * 1979-08-02 1981-08-20 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum Überwachen einer Eingangsspannung
DE2947283B1 (de) * 1979-11-20 1981-06-11 Krone Gmbh, 1000 Berlin Verlustfreie automatische Verpolungsschutzvorrichtung
US4420786A (en) * 1981-11-16 1983-12-13 Motorola, Inc. Polarity guard circuit

Also Published As

Publication number Publication date
JPS589460A (ja) 1983-01-19
IT8122636A0 (it) 1981-06-30
DE3224209C2 (ja) 1990-04-19
IT1211072B (it) 1989-09-29
CA1186825A (en) 1985-05-07
US4501933A (en) 1985-02-26
SE8203980D0 (sv) 1982-06-28
FR2508745A1 (fr) 1982-12-31
DK158185C (da) 1990-09-17
DK290182A (da) 1982-12-31
GB2102248B (en) 1985-06-19
FR2508745B1 (fr) 1989-10-27
GB2102248A (en) 1983-01-26
DK158185B (da) 1990-04-02
JPH0339426B2 (ja) 1991-06-13
SE8203980L (sv) 1982-12-31
DE3224209A1 (de) 1983-01-13

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