| 摘要 |
<p>The control enables the spot signals for a television game to be manually regulated, this automatically adjusts the statistical percentage of missed shots. It comprises an electronic signal generator (4), a monostable trigger circuit (5), modulated and receiving a trigger signal (Sd) and a modular signal (Sm) from the generator, provided through a potentiometer (10). This latter permits manual adjustment of the signal before entering the trigger and adjusts the oscillations of the racquet spot. The signal passes through a differentiator (13) in series with a fixed duration monostable trigger (12), then through a signal amplifier (16) to provide an amplified and calibrated signal (Sa) for the ball.</p> |
