×

Lighting circuit control apparatus

  • US 4,500,814 A
  • Filed: 06/20/1983
  • Issued: 02/19/1985
  • Est. Priority Date: 06/20/1983
  • Status: Expired due to Fees
First Claim
Patent Images

1. A light circuit control apparatus for turning on and turning off a plurality of lighting circuits in a first and a second predetermined sequence, respectively, comprising:

  • control means responsive to the intensity of ambient light in an area illuminated by said lighting circuits for turning on a succeeding one of said lighting circuits in said first predetermined sequence each time the intensity of the light in said area decreases to a first predetermined intensity and for turning off a succeeding one of said lighting circuits in said second predetermined sequence each time the intensity of the light in said area increases to a second predetermined intensity.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×