×

AUTOMATIC VEHICLE SIGNAL SYSTEM

  • US 3,665,391 A
  • Filed: 06/15/1970
  • Issued: 05/23/1972
  • Est. Priority Date: 10/24/1967
  • Status: Expired due to Term
First Claim
Patent Images

1. A signal system for a motor vehicle comprising:

  • a. a tail-lamp circuit including a high-intensity tail lamp, b. a tail-lamp relay, including a coil and a relay switch, c. an electrical source of energy, d. a brake switch operatiVely connected to a brake pedal for closing upon depression of said brake pedal, e. an electrical relay coil circuit connecting said brake switch to said tail-lamp relay coil, f. said relay switch being electrically connected to said source and being adapted to open and close said tail-lamp circuit, g. said relay coil being energized by the closing of said brake switch to cause said relay switch to close said tail-lamp circuit thereby energizing said high-intensity tail lamp, h. a first electrical timing element in said electrical relay coil circuit adapted to limit the duration of the illumination of said tail lamp to a brief period after said relay coil has been energized, i. a daylight circuit in parallel with said first timing element, j. said daylight circuit including, in series, a daylight switch and a second electrical timing element, k. a main light switch in said vehicle for controlling the head lamp circuit of said vehicle, l. said daylight switch and said main light switch being operatively connected so that said daylight switch is closed when said main light switch is open, and vice-versa, m. the value of said second timing element being such that when said daylight switch is closed, the duration of illumination of said tail lamp is substantially longer than said brief period.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×