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Remote control vehicle unlocking device

  • US 4,663,626 A
  • Filed: 10/10/1985
  • Issued: 05/05/1987
  • Est. Priority Date: 04/11/1985
  • Status: Expired due to Fees
First Claim
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1. Apparatus for actuating a vehicle power assist member from outside the vehicle, said vehicle power assist member including actuating means located inside the vehicle, said apparatus comprising a transmitter means which includes an incorporated switch, said transmitter means for emitting a single radio wave pulse upon actuation of said switch, means electrically coupled to said power assist member actuation means for receiving said radio wave pulse from said transmitter means upon activation of said transmitter means and converting the radio wave pulse into electric current wherein said power assist member actuation means is activated, said power assist actuation means including a locking relay and an unlocking relay, selective latching means responsive to a first emission of said radio wave pulse, said latching means having a first output connected to one of said locking and unlocking relays for actuation thereof upon reception of said first emitted radio wave pulse, said latching means responsive to a second emission of said radio wave pulse when received within a specific time after said first emitted pulse and having a second output connected to the other of said locking and unlocking relays, said second output constituting means for activating the other of said locking and unlocking relays upon reception of said second emitted radio pulse, said latching means including a walking ring counter having an input connected to said receiving means, timer means having an input connected to said counter for regulating said first and second latching means outputs, and a plurality of AND gates each having inputs connected to one of said counter outputs and said timer means, each AND gate having an output connected to one of said locking and unlocking relays.

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