| 摘要 |
Improved remote control with infrared rays for a directional internal antenna for television sets, obtained by means of an electronic circuit 10 comprising a preamplifier 12 for infrared rays, a first time delay 13 for delaying the start of the movement, a second time delay 14 for the stop, a unit 15 for control of the electric motor which makes the antenna turn, an exchanger/inverter 16 for inverting the polarity of the electric motor, this electronic circuit 10 providing, upon pressing of any button of the remote control of a television set, the starting, after 4 seconds, of the rotation of the antenna in one direction, by releasing the button the defining of the stop and by again pressing a button the rotation of the antenna in the opposite direction. <IMAGE>
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