Title:
LAMP AND CIRCUIT UNIT THEREOF, AND LAMP POWER SUPPLY METHOD
Document Type and Number:
WIPO Patent Application WO/2020/147057
Kind Code:
A1
Abstract:
The present invention discloses a lamp and a circuit unit thereof, and a lamp power supply method, wherein, the lamp comprising a circuit unit and, electrically connected to the circuit unit, a lamp-light illumination device and a loudspeaker device; wherein, the circuit unit comprising a suppression circuit portion and, respectively electrically connected to the suppression circuit portion, a light-source circuit portion and a sound-source circuit portion; the suppression circuit portion being electrically connected via a dimmer to an external power supply, the lamp-light illumination device being electrically connected to the light-source circuit portion, and the loudspeaker device being electrically connected to the sound-source circuit portion; wherein, when the dimmer adjusts the voltage and current of the electrical energy output from the external power supply to the circuit unit, the light-source circuit portion being able to output constant current to the lamp-light illumination device, and the sound-source circuit portion being able to output constant voltage to the loudspeaker device.
Inventors:
WU LIANGJU (CN)
LIANG JINYUAN (CN)
LI WEI (CN)
LIANG JINYUAN (CN)
LI WEI (CN)
Application Number:
PCT/CN2019/072120
Publication Date:
July 23, 2020
Filing Date:
January 17, 2019
Export Citation:
Assignee:
VERTEX LIGHTING AND ELECTRICAL CO LTD (CN)
International Classes:
H05B37/00
Foreign References:
| CN107770923A | 2018-03-06 | |||
| CN208190979U | 2018-12-04 | |||
| US20160192461A1 | 2016-06-30 | |||
| US20060038498A1 | 2006-02-23 |
Attorney, Agent or Firm:
NINGBO RAYMOND IP AGENCY FIRM (CN)
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