Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SOLAR BATTERY LIGHTING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/177331
Kind Code:
A1
Abstract:
A lighting device (1) is provided with a solar battery sheet (3), a storage battery (B) that is charged with power generated by the solar battery sheet (3), a light emitting unit (4) that emits light, a power generation amount detection unit (31) that detects the power generation amount of the solar battery sheet (3), and a light emission control unit (21) that, on the basis of the power with which the storage battery (B) is charged, turns on and off the light emission unit (4) cyclically in a cycle including an off period less than 50 msec within one cycle. The light emission control unit (21) continues the turning on and off if the power generation amount detected by the power generation amount detection unit (31) within the off period is less than a preset off reference value, and if the power generation amount exceeds the off reference value, stops the turning on and off, and turns off the light emission unit (4).

Inventors:
OKUMURA MASAYUKI (JP)
Application Number:
PCT/JP2021/008058
Publication Date:
September 10, 2021
Filing Date:
March 03, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
OSM CO LTD (JP)
International Classes:
F21V33/00; F21S8/08; F21S9/03; F21V23/00; H02S10/20; H02S20/10; H02S40/30; H05B45/30; H05B47/105; F21Y115/10
Foreign References:
JP2012094273A2012-05-17
JP2018088373A2018-06-07
JP2015531974A2015-11-05
JP2003202263A2003-07-18
Attorney, Agent or Firm:
YANAGINO Yoshihide et al. (JP)
Download PDF: