US Patent 9847736 Driver circuit for LEDs for time-of-flight calculation
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Patent abstract
An electronic driver circuit for LEDs and LASERs is provided for use in time-of-flight applications featuring a high efficiency of energy-conversion and a high precision of distance-measurements based on a dual conversion circuit. A voltage to voltage DC-DC conversion is hereby merged with a DC-voltage to pulsed-current booster, this booster operating at a time-of-flight modulation frequency. At the start of a new measurement cycle, the PWM signal for driving the DC-DC conversion is updated in response to currents observed during previous illumination periods.
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Patent Inventor Names
Maarten Kuijk0
Riemer Grootjans0
Sebastien Resimont0
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US Patent 09847736 Driver circuit for LEDs for time-of-flight calculation US Patent 9847736 Driver circuit for LEDs for time-of-flight calculation
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Patent Number
098477360
Patent Number
98477360
Edits on 26 Sep, 2022
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Patent Jurisdiction
Patent Number
098477360
Date of Patent
December 19, 2017
0Patent Application Number
139918240
Date Filed
July 12, 2012
0Patent Primary Examiner
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US Patent 09847736 Driver circuit for LEDs for time-of-flight calculation
Infobox
Is a
Patent jurisdiction
Patent number
09847736
Date of patent
December 19, 2017
Patent application number
13991824
Date Filed
July 12, 2012
Patent primary examiner
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