Brake pedal sensor and electronic switch
US6422658B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 10, 2000 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Nov 10, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D5/145
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A brake pedal position circuit includes a brake pedal mechanism having a ferromagnetic portion, which is movably mounted in a motor vehicle. At least one permanent magnet for generating a magnetic field is provided, as well as at least one Hall effect device for generating output data states that are dictated by variations in the magnetic field. A housing for the permanent magnet and the Hall effect device is fixedly secured in the vehicle so as to provide a portion in proximate relation to the brake pedal ferromagnetic portion when the brake pedal is in an “at rest” position. Movement of the brake pedal mechanism in the vehicle changes the magnetic field and causes a resulting change in the Hall effect device data state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.