SE452834B - Transistoriserad likriktarbrygga for anslutning av en abonnenttelefon till en telefonledning - Google Patents
Transistoriserad likriktarbrygga for anslutning av en abonnenttelefon till en telefonledningInfo
- 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
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)
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 (it) |
| JP (1) | JPS589460A (it) |
| CA (1) | CA1186825A (it) |
| DE (1) | DE3224209A1 (it) |
| DK (1) | DK158185C (it) |
| FR (1) | FR2508745B1 (it) |
| GB (1) | GB2102248B (it) |
| IT (1) | IT1211072B (it) |
| SE (1) | SE452834B (it) |
Families Citing this family (9)
| 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)
| 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 |
-
1981
- 1981-06-30 IT IT8122636A patent/IT1211072B/it active
-
1982
- 1982-06-09 CA CA000404813A patent/CA1186825A/en not_active Expired
- 1982-06-28 SE SE8203980A patent/SE452834B/sv not_active IP Right Cessation
- 1982-06-28 US US06/393,088 patent/US4501933A/en not_active Expired - Lifetime
- 1982-06-28 DK DK290182A patent/DK158185C/da active
- 1982-06-29 DE DE19823224209 patent/DE3224209A1/de active Granted
- 1982-06-30 JP JP57113804A patent/JPS589460A/ja active Granted
- 1982-06-30 GB GB08218837A patent/GB2102248B/en not_active Expired
- 1982-06-30 FR FR828211460A patent/FR2508745B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS589460A (ja) | 1983-01-19 |
| GB2102248B (en) | 1985-06-19 |
| DK158185B (da) | 1990-04-02 |
| DE3224209A1 (de) | 1983-01-13 |
| FR2508745B1 (fr) | 1989-10-27 |
| FR2508745A1 (fr) | 1982-12-31 |
| CA1186825A (en) | 1985-05-07 |
| JPH0339426B2 (it) | 1991-06-13 |
| DE3224209C2 (it) | 1990-04-19 |
| US4501933A (en) | 1985-02-26 |
| IT8122636A0 (it) | 1981-06-30 |
| SE8203980D0 (sv) | 1982-06-28 |
| GB2102248A (en) | 1983-01-26 |
| IT1211072B (it) | 1989-09-29 |
| SE8203980L (sv) | 1982-12-31 |
| DK158185C (da) | 1990-09-17 |
| DK290182A (da) | 1982-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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| NUG | Patent has lapsed |
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