Invention Application
- Patent Title: THERMAL PROTECTION FOR LAMP BALLASTS
- Patent Title (中): 灯泡保护热保护
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Application No.: PCT/US2004/037921Application Date: 2004-11-12
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Publication No.: WO2005048660A1Publication Date: 2005-05-26
- Inventor: COTTONGIM, David, E. , ARAKKAL, Jecko , CHITTA, Venkatesh , TAIPALE, Mark, S.
- Applicant: LUTRON ELECTRONICS CO., INC. , COTTONGIM, David, E. , ARAKKAL, Jecko , CHITTA, Venkatesh , TAIPALE, Mark, S.
- Applicant Address: 7200 Suter Road, Coopersburg, PA 18036-1299 US
- Assignee: LUTRON ELECTRONICS CO., INC.,COTTONGIM, David, E.,ARAKKAL, Jecko,CHITTA, Venkatesh,TAIPALE, Mark, S.
- Current Assignee: LUTRON ELECTRONICS CO., INC.,COTTONGIM, David, E.,ARAKKAL, Jecko,CHITTA, Venkatesh,TAIPALE, Mark, S.
- Current Assignee Address: 7200 Suter Road, Coopersburg, PA 18036-1299 US
- Agency: ROCCI, Steven, J.
- Priority: US10/706,677 20031112
- Main IPC: H05B41/285
- IPC: H05B41/285
Abstract:
The output current of a ballast is dynamically limited when an over-temperature condition is detected in the ballast according to one of (i) a step function or (ii) a combination of step and continuous functions, so as to reduce the temperature of the ballast while continuing to operate it.
Information query
