TWI265755B - Lamp duplexing protection device and its operational method - Google Patents
Lamp duplexing protection device and its operational methodInfo
- Publication number
- TWI265755B TWI265755B TW093112472A TW93112472A TWI265755B TW I265755 B TWI265755 B TW I265755B TW 093112472 A TW093112472 A TW 093112472A TW 93112472 A TW93112472 A TW 93112472A TW I265755 B TWI265755 B TW I265755B
- Authority
- TW
- Taiwan
- Prior art keywords
- lamp
- protection device
- operational method
- determination signal
- duplexing
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/282—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices
- H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
- H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW093112472A TWI265755B (en) | 2004-05-04 | 2004-05-04 | Lamp duplexing protection device and its operational method |
US10/904,546 US7106009B2 (en) | 2004-05-04 | 2004-11-16 | Duplexing protection apparatus and operation method thereof |
US11/461,779 US20060261757A1 (en) | 2004-05-04 | 2006-08-02 | Power-supplier duplexing operation apparatus and operation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW093112472A TWI265755B (en) | 2004-05-04 | 2004-05-04 | Lamp duplexing protection device and its operational method |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200537986A TW200537986A (en) | 2005-11-16 |
TWI265755B true TWI265755B (en) | 2006-11-01 |
Family
ID=35238864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093112472A TWI265755B (en) | 2004-05-04 | 2004-05-04 | Lamp duplexing protection device and its operational method |
Country Status (2)
Country | Link |
---|---|
US (1) | US7106009B2 (zh) |
TW (1) | TWI265755B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7196483B2 (en) * | 2005-06-16 | 2007-03-27 | Au Optronics Corporation | Balanced circuit for multi-LED driver |
CN101345025B (zh) * | 2007-07-13 | 2010-11-10 | 群康科技(深圳)有限公司 | 背光调节电路与背光调节方法 |
CN101409047B (zh) * | 2007-10-10 | 2010-09-29 | 群康科技(深圳)有限公司 | 背光调节电路 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6114814A (en) | 1998-12-11 | 2000-09-05 | Monolithic Power Systems, Inc. | Apparatus for controlling a discharge lamp in a backlighted display |
JP3319419B2 (ja) | 1999-02-24 | 2002-09-03 | 日本電気株式会社 | 固体撮像装置 |
US6259615B1 (en) | 1999-07-22 | 2001-07-10 | O2 Micro International Limited | High-efficiency adaptive DC/AC converter |
JP3878793B2 (ja) * | 1999-09-10 | 2007-02-07 | 株式会社小糸製作所 | 車輌用放電灯装置 |
JP3878776B2 (ja) * | 1999-09-10 | 2007-02-07 | 株式会社小糸製作所 | 車輌用放電灯装置 |
US6501234B2 (en) | 2001-01-09 | 2002-12-31 | 02 Micro International Limited | Sequential burst mode activation circuit |
US6420839B1 (en) * | 2001-01-19 | 2002-07-16 | Ambit Microsystems Corp. | Power supply system for multiple loads and driving system for multiple lamps |
JP3689008B2 (ja) * | 2001-02-14 | 2005-08-31 | 株式会社小糸製作所 | 放電灯点灯回路 |
TWI256860B (en) * | 2001-06-29 | 2006-06-11 | Hon Hai Prec Ind Co Ltd | Multi-tube driving system |
KR100840933B1 (ko) * | 2002-01-31 | 2008-06-24 | 삼성전자주식회사 | 램프 구동 장치 및 이를 갖는 액정 표시 장치 |
US6750842B2 (en) | 2002-04-24 | 2004-06-15 | Beyond Innovation Technology Co., Ltd. | Back-light control circuit of multi-lamps liquid crystal display |
US7002306B2 (en) * | 2003-10-31 | 2006-02-21 | Honeywell International Inc. | Lamp driver system with improved redundancy |
-
2004
- 2004-05-04 TW TW093112472A patent/TWI265755B/zh not_active IP Right Cessation
- 2004-11-16 US US10/904,546 patent/US7106009B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20050248298A1 (en) | 2005-11-10 |
US7106009B2 (en) | 2006-09-12 |
TW200537986A (en) | 2005-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |