Automobile speed control system
US4556861A · kind A · utility
5Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1982 |
| Grant date | Dec 3, 1985 |
| Priority date | — |
| Expiry date | Dec 28, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01P3/484
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An automobile speed control system is provided with a speed signal generator circuit for generating first electrical signal indicative of actual automobile speed and a desired automobile signal supply circuit for supplying a second electrical signal indicative of the desired automobile speed. The first and second signals are compared to provide a throttle valve control signal and an alarm circuit including an audible and/or visual alarm is provided to warn the driver when the actual automobile speed exceeds a pre-set speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.