05136209 is referenced by 7 patents and cites 21 patents.

A control system for automatically turning on the headlights (and parking lights) of a vehicle has an input section that includes the ignition switch, the manually operated windshield wiper switch, and condition responsive light sensor and moisture sensor switches. These switches operate through a logic circuitry through an output section to turn on and to keep turned on the lights when any of certain switch combinations are turned on:

Title
Vehicle light, windshield wiper control system
Application Number
409612
Publication Number
5136209
Application Date
September 7, 1990
Publication Date
August 4, 1992
Inventor
Donald M Stumpf
Panama
FL, US
Charles E Benedict
Tallahassee
FL, US
Agent
Dowell & Dowell
Assignee
Benedict Engineering Company
FL, US
IPC
H02G 3/00
B60Q 1/02
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