Capacitive proximity sensor

Capacitive proximity sensor

  • CN 101,896,794 B
  • Filed: 12/09/2008
  • Issued: 09/07/2016
  • Est. Priority Date: 12/13/2007
  • Status: Active Grant
First Claim
Patent Images

1. a capacitive proximity sensor, including:

  • Sensing electrode, described sensing electrode has with conductive region (113) and non-conductive region (117)Surface, wherein, by being positioned at the sensitivity of described sensing electrode by described non-conductive region (117)The region of the described sensing electrode that should be locally reduced, makes the sensitivity of described sensing electrode wholeMore equalizing on sensor surface, wherein, described surface has substantially flat block, described baseThe sensitivity of block smooth in basis is by the sensor construction at described substantially flat blockOpening and be lowered, wherein, it is described that diagonal tape strides across at described substantially flat blockOpening, wherein, described sensor is suitable for measuring between described sensing electrode and object (111,109)Electric field.

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