| 摘要 |
646,063. Dry contact rectifiers. LIGNES TELEGRAPHIQUES ET TELE. PHONIQUES. Oct. 14, 1947, No. 27511. Convention date, March 6. [Class 37] One or more rectifying discs 1, and auxiliary electrodes 3, 4 supplying current thereto, are held together by a metallic spring 2, and contained within a housing which includes drying material such as silica gel. An insulating plate 5 prevents short-circuiting. U.S.A. Specification 1,949,383 is referred to. |
