Power window switch circuit

E - Fixed Constructions – 05 – F

Patent

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Details

E05F 15/16 (2006.01) B60J 1/17 (2006.01) G05B 9/02 (2006.01) E05F 15/00 (2006.01)

Patent

CA 2381084

A power window switch circuit, even if soaked, prevents windows from opening or closing unintentionally. A DOWN switch (128) and an UP switch (129) each include a first fixed contact (DN1, UP1) connected with a power supply, a second fixed contact (DN2, UP2) grounded, and movable contacts (131, 132, 133, 134) for selectively connects either the first or second fixed contact with the first terminal of corresponding relay coils (21, 23). A transistor (TR4) responsive to a soak signal is connected between the ground and the second fixed contacts (DN2, UP2) of the UP and DOWN switches. The second terminals of the first and second relay coils are grounded through their respective transistors. When a soak is detected, a soak detector (15) supplies a soak signal to the transistors.

L'invention concerne un circuit de commutation pour lève-glaces électrique qui, même trempé, empêche l'ouverture ou la fermeture accidentelle des glaces. Un commutateur "MONTEE" (128) et un commutateur "DESCENTE" (129) comprennent chacun un premier contact fixe (DN1, UP1) raccordée à une alimentation électrique, un second contact fixe (DN2, UP2) mis à la masse, et des contacts mobiles (131, 132, 133, 134) pour connecter sélectivement soit le premier contact fixe, soit le second contact fixe avec la première borne de bobines de relais (21, 23) correspondantes. Un transistor (TR4) sensible à un signal de trempage est monté entre la masse et la seconde série de contacts fixes (DN2, UP2) des commutateurs "MONTEE" et "DESCENTE". La seconde série de bornes de la première et de la seconde bobines de relais est mise à la masse par leur transistor respectif. Lorsqu'un état de trempage est détecté, une détecteur de trempage (15) transmet un signal de trempage aux transistors.

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