SEALED BACKLIT KEYPAD专利检索- .行程放大专利检索查询-专利查询网

SEALED BACKLIT KEYPAD
申请号	PCT/EP2009064467	申请日	2009-11-02	公开(公告)号	WO2010060743A3	公开(公告)日	2011-06-23
申请人	THALES SA; BIGAND JEAN-LOUIS;			发明人	BIGAND JEAN-LOUIS;
摘要	The invention relates to a sealed, backlit keypad that comprises at least one push switch (13), a key (15) mounted on the switch (13) for moving the same along an axis (X), and a light source (161, 162) offset relative to said axis. According to the invention, the keypad also includes an integral part (12) made of an elastic material and provided between the key (15) and the switch (13). Said part (12) provides both a seal between the switch (13) and the external environment and the guiding of the light rays from the light source (161, 162) towards the key (15) in order to backlight said key (15). The part (12) may comprise a block (12a) between the key (15) and the switch (13), and a membrane (12b) surrounding the block (12a). The part (12) also provides a plunger function and increases the travel of the key (15).
权利要求
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