Throttle position sensor advanced brake light device
US5023599A · kind A · utility
14Cited by
11References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1989 |
| Grant date | Jun 11, 1991 |
| Priority date | — |
| Expiry date | Jun 22, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q1/44
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An advanced brake light signalling apparatus utilizes an output from a potentiometric position sensor, buffers the output, differentiates the buffered signal, compares the differentiated signal with a reference, and depending upon the results of the comparison activates the brake lights of a vehicle for a minimum time period. The position of the accelerator at the time of initiation of motion may be utilized to adjust the reference to which the differentiated signal is compared.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.