DE3927564C2 - - Google Patents
Info
- Publication number
- DE3927564C2 DE3927564C2 DE3927564A DE3927564A DE3927564C2 DE 3927564 C2 DE3927564 C2 DE 3927564C2 DE 3927564 A DE3927564 A DE 3927564A DE 3927564 A DE3927564 A DE 3927564A DE 3927564 C2 DE3927564 C2 DE 3927564C2
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- current
- resistor
- scr
- 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 - Lifetime
Links
- 238000004804 winding Methods 0.000 claims description 25
- 239000003990 capacitor Substances 0.000 claims description 18
- 239000004065 semiconductor Substances 0.000 claims description 15
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000009499 grossing Methods 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 241000863814 Thyris Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
- H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Dc-Dc Converters (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20893288 | 1988-08-22 | ||
| JP1147699A JPH0828938B2 (ja) | 1988-08-22 | 1989-06-09 | 高圧トランス保護回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3927564A1 DE3927564A1 (de) | 1990-03-01 |
| DE3927564C2 true DE3927564C2 (enExample) | 1992-02-20 |
Family
ID=26478160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3927564A Granted DE3927564A1 (de) | 1988-08-22 | 1989-08-21 | Hochspannungstransformator-schutzschaltung |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5119262A (enExample) |
| DE (1) | DE3927564A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05299991A (ja) * | 1991-06-06 | 1993-11-12 | Nec Corp | モノリシックパワーｍｏｓ集積回路 |
| DE69324892T2 (de) * | 1992-12-01 | 1999-09-16 | Thomson Consumer Electronics, Inc. | Überspannungsschutzvorrichtung für Fernsehgeräte |
| DE19610762A1 (de) * | 1996-03-19 | 1997-09-25 | Thomson Brandt Gmbh | Schaltnetzteil mit verringerter Oberwellenbelastung des Netzes |
| FR2747245B1 (fr) * | 1996-04-04 | 1998-05-15 | Gec Alsthom T & D Sa | Systeme de protection d'un transformateur de distribution triphase a isolation dans un dielectrique liquide |
| US5764002A (en) * | 1996-07-01 | 1998-06-09 | U.S. Philips Corporation | Over-current protection circuit for use in television horizontal deflection circuits |
| JP2001015287A (ja) * | 1999-04-30 | 2001-01-19 | Ushio Inc | 誘電体バリア放電ランプ光源装置 |
| US6535692B2 (en) | 2000-06-05 | 2003-03-18 | Konica Corporation | Camera with built-in electronic flash and electronic flash device |
| PL203206B1 (pl) * | 2003-07-17 | 2009-09-30 | Abb Spo & Lstrok Ka Z Ogranicz | Układ zabezpieczający dla przekładników napięciowych średniego napięcia |
| US8276051B2 (en) * | 2007-12-12 | 2012-09-25 | Densbits Technologies Ltd. | Chien-search system employing a clock-gating scheme to save power for error correction decoder and other applications |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4149209A (en) * | 1975-07-31 | 1979-04-10 | Rca Corporation | Over-voltage amplitude prevention circuit for high voltage and deflection generating system |
| US4754206A (en) * | 1986-08-26 | 1988-06-28 | Zenith Electronics Corporation | Shutdown circuit for CRT high voltage system |
| DE3743601C3 (de) * | 1986-12-31 | 1995-04-20 | Gold Star Co | Hochspannung-Stabilisierschaltung für Überhitzungsschutz |
| US4885509A (en) * | 1987-04-30 | 1989-12-05 | Murata Manufacturing Company | High voltage generating apparatus for supplying high voltage to cathode ray tube |
-
1989
- 1989-07-26 US US07/386,361 patent/US5119262A/en not_active Expired - Lifetime
- 1989-08-21 DE DE3927564A patent/DE3927564A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3927564A1 (de) | 1990-03-01 |
| US5119262A (en) | 1992-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |