US Patent 9713217 Duty cycle brightness control for lighting device
Patent 9713217 was granted and assigned to Bayco Products on July, 2017 by the United States Patent and Trademark Office.
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Patent abstract
A brightness control circuit for a DC-powered LED light uses a PWM generator. The LED brightness is a function of the duty cycle of a drive signal to a transistor connected in series with the LED. In several embodiments the duty cycle signal generated by the PWM is controlled by at least one momentary SPST switch, or, in one alternative, by first and second SPST switches operable in a make-before-break sequence in a voltage divider circuit.
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US Patent 09713217 Duty cycle brightness control for lighting device US Patent 9713217 Duty cycle brightness control for lighting device
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Patent Number
0971321700
Patent Number
971321700
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
097132170
Date of Patent
July 18, 2017
0Patent Application Number
150801680
Date Filed
March 24, 2016
0Official Website
Patent Primary Examiner
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Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
097132170
Date of Patent
July 18, 2017
0Patent Application Number
150801680
Date Filed
March 24, 2016
0Official Website
Patent Primary Examiner
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US Patent 09713217 Duty cycle brightness control for lighting device
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
09713217
Date of patent
July 18, 2017
Patent application number
15080168
Date Filed
March 24, 2016
Patent primary examiner
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