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Switch activating system and method

  • US 4,453,161 A
  • Filed: 06/04/1982
  • Issued: 06/05/1984
  • Est. Priority Date: 02/15/1980
  • Status: Expired due to Fees
First Claim
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1. An electrically operated lock system comprising in combination:

  • first means for opening and closing a switch,second means for operating said first means to cause said first means to close said switch,said second means including electrically controllable means and a short wave pick-up operatively connected to said electrically controllable means,third means including a portable short wave code generating and transmitting means adapted to be carried by a person seeking to activate said circuit by closing said switch,fourth means connected to said pick-up of said second means and operable for electrically detecting short wave codes generated by said third means, said fourth means being operable to activate said second means to control the operation of said first means,said first, second and fourth means being supported on a common support,said third means being automatically operable when carried to a given range of said fourth means to generate a short wave code receivable by said pick-up and detectable by said fourth means for causing said fourth means to generate a control signal for controlling said second means to close said switch whereby said switch may be employed to connect a source of electrical energy to an electrical circuit when so closed.

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