Patent type: utility model
Application (patent)No.: CN92222118.9+08.9.
Date of application:1May 22, 992
Release date (announcement): 1992 10.07.
Publication (announcement)No.: CN 2 1 18382
Main classification numbers: H05B 39/04, H05B 39/00, H, H05, H05B, H05B 39.
Classification numbers: H05B 39/04, H05B 39/00, H, H05, H05B, H05B 39.
Applicant (patent right): Jiang Wei
Inventor (Designer): Jiang Wei
Address of the main applicant: No.37, Unit 2, Building No.0/0015, Dashanzi, Dongzhimenwai, Beijing.
Country, province and city code: Beijing (1 1)
Sovereignty: A sound control lamp includes a standing microphone, an audio amplifier, a frequency selection circuit, a voltage doubler rectifier circuit, a delay turn-on circuit and a thyristor circuit, and is characterized by also including: a. a constant voltage source circuit for charging the delay turn-on circuit at constant voltage; B. controllable delay switch circuit, which controls the thyristor switch circuit and has the functions of automatic delay closing and voice control closing.