Vehicle lamp
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United States of America Patent
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May 29, 2018
Issued Date -
N/A
app pub date -
Jan 17, 2017
filing date -
Jan 27, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a vehicle lamp including an optical unit including an optical element and a solenoid that drives the optical element; and a driving circuit configured to receive a voltage from a DC power supply and apply a driving voltage to the solenoid. The driving circuit includes a signal generating circuit that generates a notification signal indicating whether or not the solenoid is open-circuited. The signal generating circuit generates a first signal as the notification signal when the solenoid is normal. The notification signal is set as a second signal that is different from the first signal when open-circuit of the solenoid is detected.
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Family
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