Invention Grant
US08174211B2 Method and system for operating a discharge lamp such as to detect defective operation of the lamp
失效
用于操作放电灯的方法和系统，以便检测灯的不良操作
- Patent Title: Method and system for operating a discharge lamp such as to detect defective operation of the lamp
- Patent Title (中): 用于操作放电灯的方法和系统，以便检测灯的不良操作
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Application No.: US12305019Application Date: 2007-06-07
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Publication No.: US08174211B2Publication Date: 2012-05-08
- Inventor: Marcel Johannes Maria Bucks , Engbert Bernard Gerard Nijhof , Jozef Petrus Emanuel De Krijger , Jozef Alma Lodewijk Maria Ghijselen
- Applicant: Marcel Johannes Maria Bucks , Engbert Bernard Gerard Nijhof , Jozef Petrus Emanuel De Krijger , Jozef Alma Lodewijk Maria Ghijselen
- Applicant Address: NL Eindhoven
- Assignee: Koninklijke Philips Electronics N.V.
- Current Assignee: Koninklijke Philips Electronics N.V.
- Current Assignee Address: NL Eindhoven
- Priority: EP06116034 20060626
- International Application: PCT/IB2007/052145 WO 20070607
- International Announcement: WO2008/001245 WO 20080103
- Main IPC: G05F1/00
- IPC: G05F1/00 ; H05B37/02 ; H05B39/04 ; H05B41/36
Abstract:
A method for detecting defective operation of a discharge lamp includes determining the lamp impedance and establishing that the lamp is operating in an incandescent mode if it is found that the lamp has a positive impedance.
Public/Granted literature
- US20090134878A1 METHOD AND SYSTEM FOR OPERATING A DISCHARGE LAMP SUCH AS TO DETECT DEFECTIVE OPERATION OF THE LAMP Public/Granted day:2009-05-28
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