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US Patent 7268496 Discharge lamp lighting device and lighting system

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Patent abstract

When a discharge lamp is preheated, impedance of a filament electrode of the discharge lamp is computed. In accordance with the computed impedance, preheating and lighting of the discharge lamp are controlled.

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edited on 4 Aug, 2023
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
72684960
Date of Patent
September 11, 2007
0
Patent Application Number
113113730
Date Filed
December 20, 2005
0
Patent Primary Examiner
‌
David Vu
0
Edits on 13 Jul, 2023
"Remove leading 0 from patent number"
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Golden AI
edited on 13 Jul, 2023
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US Patent 07268496 Discharge lamp lighting device and lighting system US Patent 7268496 Discharge lamp lighting device and lighting system

Infobox
Patent Number
0726849600
Patent Number
726849600
Edits on 18 May, 2023
"Remove website redirecting to Patent Public Search front page"
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Golden AI
edited on 18 May, 2023
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Infobox
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=0726849600
Edits on 29 Mar, 2023
"Entity importer update"
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Golden AI
edited on 29 Mar, 2023
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
072684960
Date of Patent
September 11, 2007
0
Patent Application Number
113113730
Date Filed
December 20, 2005
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=072684960
Patent Primary Examiner
‌
David Vu
0
Edits on 22 Sep, 2022
"Entity importer update"
Golden AI profile picture
Golden AI
edited on 22 Sep, 2022
Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
072684960
Date of Patent
September 11, 2007
0
Patent Application Number
113113730
Date Filed
December 20, 2005
0
Official Website
https://pdfpiw.uspto.gov/.piw?Docid=072684960
Patent Primary Examiner
‌
David Vu
0
Edits on 17 Jun, 2022
"Entity importer update"
Golden AI profile picture
Golden AI
edited on 17 Jun, 2022
Edits made to:
Infobox (+1 properties)
Infobox
Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07268496
Edits on 22 Nov, 2021
"Created via: Entity Importer"
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Golden AI
created this topic on 22 Nov, 2021
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Infobox (+7 properties)
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 US Patent 07268496 Discharge lamp lighting device and lighting system

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07268496
Date of patent
September 11, 2007
Patent application number
11311373
Date Filed
December 20, 2005
Patent primary examiner
‌
David Vu

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