| 摘要 |
1,099,081. Magnetic contact devices. STANDARD TELEPHONES & CABLES Ltd. Oct. 15, 1965, No. 43814/65. Addition to 1,094,334. Heading H2B. Magnetic contact devices as described in the parent Specification are arranged on opposite ends of a common core so as to be magnetically in series. A flux return path may be provided by a cover or two such units may be side by side with magnetic end plates providing a series magnetic circuit energized by a coil on one or coils on both cores. |
