H - Electricity – 03 – K
Patent
H - Electricity
03
K
H03K 17/965 (2006.01)
Patent
CA 2462248
A micro-switch comprises at least one coil (22) of elongate electrically conductive material mounted on the support means (16). A movable actuator portion (20) of electrically conductive material is attached to the support means (16) so as to be movable against resilient means (10) of the micro- switch and so as to be adjacent to the coil (22). Pulse inductive circuitry (30, 32, 34, 36, 43a, 52, 54) is connected to the said at least one coil (22), and constructed to switch from one condition to another when the actuator portion (20) is moved against the force of the resilient means (10) beyond a predetermined threshold point as indicated by pulsoinductive monitoring effected by the pulse inductive circuitry (30, 32, 34, 36, 43a, 52, 54). As a result of this construction, there are no physical contacts which are brought into and out of contact with one another to effect the change in the electrical condition of the micro-switch.
Un micro-commutateur comprend au moins une bobine (22) faite d'un matériau conducteur d'électricité monté sur un système de support (16). Un actionneur mobile (20) d'un matériau conducteur d'électricité est attaché au système de support (16) de manière à pouvoir se déplacer contre un système souple (10) du micro-commutateur de façon à être adjacent à la bobine (22). Un circuit d'induction à impulsions (30, 32, 34, 36, 43a, 52, 54) est connecté à ladite bobine (22); il est conçu pour commuter entre un état et un autre lorsque la partie actionneur (20) est déplacée contre la force, exercée par le système souple (10), au-delà d'un point de seuil prédéterminé, indiqué par la surveillance inductive à impulsions, effectuée par le circuit inductif à impulsions (30, 32, 34, 36, 43a, 52, 54). Cette construction assure l'absence de tout contact physique entre les contacts lors du changement de l'état électrique du micro-commutateur.
Gill Michael John
Mcdermid Turnbull & Associates
LandOfFree
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