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METHOD AND APPARATUS FOR PREVENTING INTRUSION

  • US 20100171432A1
  • Filed: 04/29/2008
  • Published: 07/08/2010
  • Est. Priority Date: 05/03/2007
  • Status: Abandoned Application
First Claim
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1. A method of controlling one or more light sources (103) for preventing unauthorized intrusion and/or staying within an area (110) indoors or outdoors, for example in a building, in a portion of a building, in a vehicle or in a craft, characterized in that the light source or light sources (103) are controlled such as to alter one or more of the following characteristics of the light are:

  • the intensity of the light, the wavelength of the light, the frequency at which the light source or light sources (103) are switched on and off and the period of time during which the light source or light sources (103) are on,wherein at least the period of time during which the light source or light sources (103) are on is varied.

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