| 摘要 |
<p>1,085,789. Electric correspondence control systems. BAILEY METER CO. Oct. 5, 1964 [Oct. 3, 1963], No. 40424/64. Heading G1N. [Also in Division F2] The angular position of a damper 7 is regulated by a motor 16 which is controlled by movement of an arm 30 of a potentiometer 28 which feeds a signal to a differential amplifier 31 in which it is compared with a feedback signal from a movable core transformer 25 operated by a cam 22 connected by linkwork to the damper 7.</p> |
