Stop lamp monitor circuit
US4173751A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 14, 1978 |
| Grant date | Nov 6, 1979 |
| Priority date | — |
| Expiry date | Mar 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.