Title:
APPARATUS FOR OUTPUT CONTROL OF LASER LIGHT SOURCE AND LASER POINTER INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2019/132520
Kind Code:
A1
Abstract:
Provided are an apparatus for output control of a laser light source, which can prevent an accident due to a failure of the laser light source while increasing hours of use thereof, and a laser pointer including the same. The output control apparatus comprises: a power supply line at least partially connected between a power supply and a laser light source; a switching unit including a first switching module and a second switching module which are consecutively arranged in series to each other on the power supply line; and a first control module which is connected to the first switching module through a first terminal and connected to the second switching module through a second terminal, and applies switching signals for controlling an output of the laser light source in parallel to the first switching module and the second switching module, respectively, wherein the switching signals applied to the first switching module and the second switching module are pulse signals having the same phase and the same amplitude.
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Inventors:
CHOI SOON PIL (KR)
Application Number:
PCT/KR2018/016682
Publication Date:
July 04, 2019
Filing Date:
December 26, 2018
Export Citation:
Assignee:
CHOIS TECH CO LTD (KR)
International Classes:
H01S3/10; G02B27/20
Foreign References:
| JP2013207244A | 2013-10-07 | |||
| KR20120078999A | 2012-07-11 | |||
| KR20100138533A | 2010-12-31 | |||
| KR101601607B1 | 2016-03-09 | |||
| JP2005123536A | 2005-05-12 |
Attorney, Agent or Firm:
LEE, Seung-youl et al. (KR)
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