Patent · US Expired

Stop lamp monitor circuit

US4173751A · kind A · utility

2Cited by
3References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 14, 1978
Grant dateNov 6, 1979
Priority date
Expiry dateMar 14, 1998

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60Q11/00
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a stop signal monitor circuit for use in conjunction with a vehicle stop lamp system wherein a pair of stop lamps is connectable across the vehicle's electricity supply through a fuse and a respective pair of switch contacts closable in response to the application of vehicle's brake, and wherein a pair of pilot lamps give indication of an open circuit condition existing in either the fuse or one or both of the stop lamps in accordance with the respective operation of the vehicle's brake and the vehicle's ignition switch.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.