| 摘要 |
531,405. Remotely controlled wireless receivers. PHILIPS LAMPS, Ltd. July 20, 1939, No. 21152. Convention date, July 23, 1938. [Class 40 (i)] The adjustable selector discs 3 of a pushbutton &c. controlled receiver are held between end pieces 16 by a spring 15 and are separated by resilient discs 10 which are immovably clamped between washers 11 by a nut 14. Specification 517,068 is referred to. |
