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| Number | Title | Issue Date |
| 6510222 | Miniature connector array A line multiplier is formed of n upstream lines and m downstream lines where m>n by providing a micro-technology array of m×n crosspoints switches using, e.g., magnetic latching, wherein the latching magnets are heated to the Curie temperature to cause t... | 01/21/2003 |
| 4555593 | Electronic telephone relay An electronic relay circuit for replacement of an A-type relay in a step-by-step selector and connector of a telephone exchange system is implemented with a first operational amplifier (10) connected to the tip (T) and ring (R) conductors of a telephone l... | 11/26/1985 |
