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公开(公告)号：US09787215B2
公开(公告)日：2017-10-10
申请号：US15300741
申请日：2015-05-25
Inventor： Makoto Ohno , Shota Yamamoto , Ichiro Ishida , Tetsuya Ishitsuka
CPC classification number: H02M7/003 , G05F1/56 , H02M1/32 , H02M3/00 , H02M3/1584
Abstract: A power supply device includes a board that includes an input terminal and an output terminal, and converters disposed on the board. The converters are connected with each other in parallel and convert an input voltage input to the input terminal, and output the converted voltage to the output terminal. Each of the converters includes respective one of voltage conversion functional units including respective one of input parts and respective one of output parts, respective one of input line parts connected to respective one of the input parts. Respective one of output line parts connected to respective one of the output parts, and respective one of current adjustment functional units provided in respective one of the output line parts for balancing currents output from the each of the converters provided in respective one of the output line parts.
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公开(公告)号：US20240364850A1
公开(公告)日：2024-10-31
申请号：US18646291
申请日：2024-04-25
Inventor： Shota Yamamoto , Kazuhiko Nono , Daizou Seko , Takaaki Gyoten
CPC classification number: H04N9/3155 , G01R33/072 , H04N9/3161
Abstract: Provided is a projector configured to modulate light from a light source unit and project image light, the projector including: a current measurement unit that measures a current supplied from a power supply, the current including at least a current supplied to the light source unit of the projector; and a controller that compares a measured current value measured by the current measurement unit with limit value information determined by user input or based on data stored in advance, and controls power output to the light source unit in accordance with a comparison result.
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