IT8067609A0 - Regolatore di tensione vitale e dispositivo per il circuito di sfasamento - Google Patents
Regolatore di tensione vitale e dispositivo per il circuito di sfasamentoInfo
- Publication number
- IT8067609A0 IT8067609A0 IT8067609A IT6760980A IT8067609A0 IT 8067609 A0 IT8067609 A0 IT 8067609A0 IT 8067609 A IT8067609 A IT 8067609A IT 6760980 A IT6760980 A IT 6760980A IT 8067609 A0 IT8067609 A0 IT 8067609A0
- Authority
- IT
- Italy
- Prior art keywords
- phase
- circuit device
- voltage regulator
- vital voltage
- vital
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
- B61L1/181—Details
- B61L1/187—Use of alternating current
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/04—Regulating voltage or current wherein the variable is AC
- G05F3/06—Regulating voltage or current wherein the variable is AC using combinations of saturated and unsaturated inductive devices, e.g. combined with resonant circuit
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/031,885 US4258312A (en) | 1979-04-20 | 1979-04-20 | Vital voltage regulator and phase shift circuit arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8067609A0 true IT8067609A0 (it) | 1980-04-18 |
| IT1165518B IT1165518B (it) | 1987-04-22 |
Family
ID=21861918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT67609/80A IT1165518B (it) | 1979-04-20 | 1980-04-18 | Regolatore di tensione vitale e dispositivo per il circuito di sfasamento |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4258312A (it) |
| BR (1) | BR8002402A (it) |
| CA (1) | CA1133057A (it) |
| GB (1) | GB2047925B (it) |
| IT (1) | IT1165518B (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535959A (en) * | 1982-08-02 | 1985-08-20 | American Standard Inc. | Vital solid state relay for railroad alternating current track circuits |
| US5737173A (en) * | 1994-04-29 | 1998-04-07 | Safetran Systems Corporation | Railroad track circuit vital relay control |
| RU2168261C2 (ru) * | 1999-05-31 | 2001-05-27 | Поляков Сергей Александрович | Усилитель мощности низкой частоты с питанием от сети переменного тока |
| US7296770B2 (en) * | 2005-05-24 | 2007-11-20 | Union Switch & Signal, Inc. | Electronic vital relay |
| CN101206490A (zh) * | 2006-12-20 | 2008-06-25 | 鸿富锦精密工业(深圳)有限公司 | 三相交流稳压器 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1566333A (en) * | 1923-10-26 | 1925-12-22 | Union Switch & Signal Co | Static-phase-shifting apparatus |
| US1963243A (en) * | 1929-05-11 | 1934-06-19 | Telefunken Gmbh | Constant voltage system |
| US1940437A (en) * | 1929-06-25 | 1933-12-19 | Telefunken Gmbh | Electrical network |
| US2221456A (en) * | 1938-06-16 | 1940-11-12 | Closman P Stocker | Electrical regulator |
| US3970271A (en) * | 1975-03-27 | 1976-07-20 | General Signal Corporation | Dual frequency track circuit |
| US4188002A (en) * | 1978-10-23 | 1980-02-12 | Westinghouse Air Brake Company | Vital power varistor circuit for railroad signaling systems |
-
1979
- 1979-04-20 US US06/031,885 patent/US4258312A/en not_active Expired - Lifetime
-
1980
- 1980-04-18 IT IT67609/80A patent/IT1165518B/it active
- 1980-04-18 BR BR8002402A patent/BR8002402A/pt not_active IP Right Cessation
- 1980-04-18 GB GB8012856A patent/GB2047925B/en not_active Expired
- 1980-04-21 CA CA350,238A patent/CA1133057A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4258312A (en) | 1981-03-24 |
| BR8002402A (pt) | 1980-12-02 |
| GB2047925B (en) | 1983-09-07 |
| CA1133057A (en) | 1982-10-05 |
| GB2047925A (en) | 1980-12-03 |
| IT1165518B (it) | 1987-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3174427D1 (en) | Planar type semiconductor device with a high breakdown voltage | |
| IT8068773A0 (it) | Dispositivo raddrizzatore con tensione filtrata d uscita | |
| IT1134111B (it) | Circuito di prova dotato di dispositivi mos | |
| IT8125210A0 (it) | Circuito limitatore di tensione | |
| IT1226438B (it) | Circuito elettronico con dispositivo di protezione da variazioni di tensione della batteria di alimentazione. | |
| IT1115654B (it) | Partitore di tensione diffuso per circuito integrato monolitico | |
| IT1080843B (it) | Circuito elettronico di regolazione e pilotaggio | |
| IT1088983B (it) | Circuito di riferimento a bassa tensione | |
| BR8601629A (pt) | Arranjo de circuito para gerar impulsos de alta tensao | |
| BR8604495A (pt) | Dispositivo interruptor de circuito eletrico de alta tensao e dispositivo religador de circuito eletrico de alta tensao | |
| IT1080278B (it) | Sezionatore polifase per alta tensione | |
| GB1548796A (en) | High voltage semiconductor device | |
| IT1090802B (it) | Disposizione di circuito per la delimitazione della tensione | |
| IT1134487B (it) | Circuito di interfacciatura per comuni regolatori di tensione particolarmente per autoveicoli | |
| IT1199796B (it) | Circuito limitatore di tensione | |
| IT8067609A0 (it) | Regolatore di tensione vitale e dispositivo per il circuito di sfasamento | |
| IT1240754B (it) | Circuito misuratore di differenza di tensione. | |
| IT1085128B (it) | Dispositivo di comando di almeno un circuito di utilizzazione | |
| IT1090818B (it) | Circuito rivelatore di tensione programmabile | |
| IT1087747B (it) | Dispositivo di immobilizzazione e di commutazione elettrica per supporto di circuito elettrico | |
| JPS52139385A (en) | High voltage semiconductor device | |
| IT1151378B (it) | Dispositivo elettronico di controllo della tensione | |
| IT1080831B (it) | Interruttore di circuito | |
| IT1110163B (it) | Circuito di blocco della tensione di ritraccia | |
| IT8122193A0 (it) | Circuito divisore di tensione. |