Automatic broadcasting system program control machine

• Main Authors: ZHENGKAI LIU, ZHENGRONG SHAO, NENGHAI YU
• Format: Patent
• Language: English
• Published: 23.02.2000
• Edition: 7
• Subjects: BROADCAST COMMUNICATION; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY

The utility model provides an automatic broadcasting system program control machine, which is composed of an electronic switching circuit, a program control circuit, a program volume control circuit, a relay control circuit, a parallel interface, and a power circuit, wherein, one terminal of the program control circuit is connected with the electronic switching circuit, and the other terminal is connected with the parallel interface; the input terminal of the program volume control circuit is respectively connected with the electronic switching circuit and the parallel interface; one terminal of the relay control circuit is connected with the program control circuit. The utility model can freely change, replace and modify the order of broadcasting and corresponding contents of the broadcasting; the utility model can automatically synthesize the contents of the broadcasting. The utility model has the functions of switching with programs and hands, and the volume of the broadcasting can be freely regulated with the noises of the environment; the utility model has the functions of switching with a power amplifier, so the static noises of enlargers of non-broadcasting and the noises of switching can be eliminated.