Electronic door latch system with water rejection filtering

Miscellaneous active electrical nonlinear devices – circuits – and – External effect – Responsive to proximity or touch

Reexamination Certificate

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Details

C307S112000, C307S116000

Reexamination Certificate

active

07026861

ABSTRACT:
A control circuit receives inputs from first and second field effect sensors. The control circuit produces a control output only if the second field effect sensor senses proximity or touch more than a predetermined time after the first field effect sensor senses proximity or touch.

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patent: 2003/0122432 (2003-07-01), Caldwell
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patent: WO 97/41322 (1997-11-01), None
patent: WO 01/40606 (2001-06-01), None
patent: WO 02/21455 (2002-03-01), None
patent: WO 02/33203 (2002-04-01), None
patent: WO 02/45030 (2002-06-01), None

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