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Title:
LAMP CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/121864
Kind Code:
A1
Abstract:
A lamp control device comprises a first input terminal, a second input terminal, an output terminal that is configured to be connectable to a lamp via an external switch and outputs a drive current for the lamp, an internal switch provided on a first path connecting the first input terminal and the output terminal, a constant current section provided on a second path connecting the second input terminal and the output terminal, a voltage monitoring section that monitors a voltage applied to the output terminal, and a control section that controls the internal switch on the basis of a monitoring result from the voltage monitoring section.

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Inventors:
NAKAYAMA MASAAKI (JP)
Application Number:
PCT/JP2019/046996
Publication Date:
June 18, 2020
Filing Date:
December 02, 2019
Export Citation:
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Assignee:
ROHM CO LTD (JP)
International Classes:
B62J6/00; B60Q1/38
Domestic Patent References:
WO2013065106A12013-05-10
Foreign References:
JP2014040142A2014-03-06
Attorney, Agent or Firm:
SANO PATENT OFFICE (JP)
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