Bi-stable microswitch including magnetic latch

申请号 EP01440179.8 申请日 2001-06-20 公开(公告)号 EP1168401A3 公开(公告)日 2004-04-14
申请人 ALCATEL; 发明人 Sood, Dinesh Kumar; Zmood, Ronald Barry; Qin, Lijiang;
摘要 A bi-stable microswitch (1) including a pair of contacts (4, 5) and an armature (10,11) movable between a first position and a second position to selectively break or make the pair of contacts, the armature being latched in the second position by a magnetic path including a permanent magnet (3) and a magnetisable element (7) having a first temperature, wherein the armature is resiliently biased towards the first position when latched, and is movable from the second position to the first position upon heating of the magnetisable element to above the first temperature.
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