Title:
FLASH LAMP CIRCUIT, CONTROL METHOD, ELECTRONIC DEVICE, AND READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/143381
Kind Code:
A1
Abstract:
A flash lamp circuit, a control method, an electronic device, and a readable storage medium, which belong to the technical field of communications. The flash lamp circuit comprises: a driving chip (10) and an input power supply (11), a first power supply module (12), and a flash lamp module (13) that are connected to the driving chip (10). The driving chip (10) is used when the voltage of the input power supply (11) is greater than a voltage threshold to: in a first period of time within a voltage reduction period, drive the input power supply (11) to charge the first power supply module (12) and drive the input power supply (11) to supply power to the flash lamp module (13); and drive the first power supply module (12) to supply power to the flash lamp module (13) in a second period of time within the voltage reduction period.
Inventors:
WANG TAO (CN)
Application Number:
PCT/CN2023/073173
Publication Date:
August 03, 2023
Filing Date:
January 19, 2023
Export Citation:
Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
G03B15/05; H02M3/158; H05B45/30; H05B45/3725
Foreign References:
| CN111601422A | 2020-08-28 | |||
| CN114442402A | 2022-05-06 | |||
| CN101472365A | 2009-07-01 | |||
| CN106411131A | 2017-02-15 | |||
| CN108811279A | 2018-11-13 | |||
| CN112234704A | 2021-01-15 | |||
| CN206178316U | 2017-05-17 | |||
| US20050174096A1 | 2005-08-11 |
Attorney, Agent or Firm:
BOHUI INTELLECTUAL PROPERTY (CN)
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