|
|||||
|
|
| 电视机声控关机电路 | |
| 摘 要： | 设计了一种在电视节目结束时，能自动关机的电路，以达到节约电能，延长电视机寿命的目的 |
| 关 键 词： | 声电转换 运算放大 延时触发 开关控制 |
A SOUND-CONTROLLED TV SWITCHING CIRCUIT |
|
| Authors: | Liu Qingxiang |
| Institution: | Department of Physics |
| Abstract: | A sound-controlled circuit is introduced.It can shut down the television set automatically while the program ends.So it can save power and prolonge the lifetime of a television set . |
| Keywords: | sound-electricity transform operation amplifier time-lapse trigger switch-control |
| 本文献已被 CNKI 等数据库收录！ | |