Seat Condition Detection Device and Illumination Direction Adjustment Device for Vehicle Head Lamp
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Accused Products
Abstract
A seat state detecting apparatus is provided with a sensor unit including a plurality of pressure sensitive switch units connected in parallel to each other. Each of the pressure sensitive switch units is switched to an on state or an off state in correspondence to a pressure. A plurality of pressure sensitive switch units are arranged in the seat in a dispersed manner. The seat state detecting apparatus determines a load applied to the seat on the basis of the on/off state of a plurality of pressure sensitive switch units. The sensor unit is provided with a short-circuit detecting resistor which is connected in series to a plurality of pressure sensitive switch units. Accordingly, it is possible to reliably detect a short circuit of a power source line for feeding electricity to the sensor unit.
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Citations
21 Claims
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1-10. -10. (canceled)
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11. A seat state detecting apparatus comprising a sensor unit including a plurality of pressure sensitive switch units connected in parallel to each other, wherein each of the pressure sensitive switch units is switched to an on state or an off state in correspondence to a pressure, a plurality of the pressure sensitive switch units are arranged in a seat in a dispersed manner, the seat state detecting apparatus determines a load applied to the seat on the basis of the on/off state of said plurality of the pressure sensitive switch units,
wherein said sensor unit includes: -
a first film on which a plurality of electrodes are printed; a spacer having a plurality of opening portions respectively formed in correspondence to the electrodes; a second film lapped over said first film so as to hold said spacer therebetween, and on which a plurality of counter electrodes are printed so as to respectively face to said plurality of electrodes through the opening portions of said spacer; and a short-circuit detecting resistor connected in series to said plurality of pressure sensitive switch units, wherein said short-circuit detecting resistor is printed on said first film, and is arranged between said first and second films. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification