Remote controller special for projection projector to receive broadcast Television

• Main Authors: FENGMEI LAN, JIANLIN SU, ZHENGMAO LI
• Format: Patent
• Language: English
• Published: 10.09.1997
• Edition: 6
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION

The utility model relates to a special remote controller for a projection projector to receive broadcast television programs, which is characterized in that the utility model is composed of a remote control transmitter, an infrared preamplifier, a central processing unit, a memory, an antenna, a tuner, a spiral filter, an intermediate amplifier / frequency discriminator and an output interface circuit. The utility model solves the problem that the traditional projection projector can not display many sets of television programs without a television receiver, and the whole system which can finish the pre-selection of ninety sets of television programs has a storing function, an accompanying sound conversion function and a static noise function. The circuit of the utility model is simple, and the cost is low.