Title:
Light emitting device, its control method, control program, and imaging device
Document Type and Number:
Japanese Patent JP6305091
Kind Code:
B2
Abstract:
A light emitting device including first and second power sources, which is capable of emitting light without being affected by a charging recycle period. The light emitting device includes an LED as a light emitting section for emitting light, and illuminates an object by light emission from the LED. The light emitting device further includes a first power source and a second power source that is charged by the first power source. Light emission from the LED is controlled using one of the first power source and the second power source as an input power supply according to light emitting current for causing the LED to emit light.
Inventors:
Genta Otsuka
Application Number:
JP2014025516A
Publication Date:
April 04, 2018
Filing Date:
February 13, 2014
Export Citation:
Assignee:
Canon Inc
International Classes:
G03B15/05; G03B15/02; G03B15/03; H02M3/155; H04N5/225; H05B44/00
Domestic Patent References:
| JP2013243257A | ||||
| JP6075270A | ||||
| JP2013130631A | ||||
| JP2006018181A | ||||
| JP2003149716A | ||||
| JP2176635A |
Foreign References:
| US20140340572 |
Attorney, Agent or Firm:
Another role Shigehisa
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