ApplicationNo. CN89216714.9 Patent Application Date September 18, 1989 Name Acoustic Lights Publication (Announcement)No. CN267885 Publication (Announcement) Date December 19, 199 Priority Application (Patent Right) Jiang Wei Address 115 15th Floor, Dashanzi, Chaoyang District, Beijing It provides a sound control lamp with simple operation, practicality, reliability, strong anti-interference ability and sensitive control. People can turn on the lamp quickly as long as they gently hiss for more than 1 second with their mouths, and can automatically turn off the lamp with a delay. The delay time is determined by the length of the hiss, and it is equipped with a manual switch, so that it can also be used as an ordinary lighting lamp. The voice control lamp consists of a microphone, an audio amplification circuit, a frequency selection circuit, a voltage doubler rectifier circuit, an amplitude discriminating and limiting circuit, a delay closing circuit and a silicon controlled rectifier circuit. Sovereignty A sound control lamp consists of a lamp holder 1, a light bulb 2 and a manual switch 3, and is characterized by further comprising a circuit board 5 installed in the lamp holder 1, wherein the circuit board 5 consists of a frequency selection circuit, an amplitude identification and limiting circuit, a delay opening circuit and a delay closing circuit. B, an electret microphone 4 installed on the lamp holder 1 and connected with the circuit board 5.