| 摘要 |
<p>A force-responsive sensor comprises an electrically conductive layer (14) which carries separate individual electrically insulating spacers (16) which separate it from an electrically conductive layer which may include two electrically conductive members (18,20). Each of these members (18,20) has a plurality of spaced resilient fingers (24,28), the fingers of the two members (18,20) being inter-digitated. The members are formed as films on an upper flexible layer (10). Where the members (18,20) are not supported by the spacers (16), they are normally held apart from the conductive layer (14) by the resilience of the upper layer (10). In response to an applied force (F), one or more of the fingers (24,28) is pressed into contact with the conductive layer (14) to enable the production of a corresponding electrical signal. The sensor may be used in a safety system for detecting obstructions in a window opening having a motor-slidable window glass.</p> |
