| 摘要 |
<p>1,126,009. Electric retroactive control. FENWAL Inc. April 14, 1966 [April 14, 1965; April 11, 1966], No.11596/68. Heading G3R. The subject-matter of the Specification is identical with that of Specification 1,126, 008 but the claims are directed to a retroactively controlled electrical load energized through a first switch controlled by a second switch with a generating means supplying a signal corresponding to the deviation of a variable from a set point, in which a second generating means controlled by the second switch supplies a second signal to the central path of the second switch when it is opened.</p> |
