Contact-free pulse generators
US3939372A · kind A · utility
7Cited by
8References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1974 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Nov 7, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/90
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A contact-free electrical pulse generator, that utilizes a Hall effect device and a permanent magnet to generate lines of flux and provides two stable output states when cooperating with a flux conducting cam having a stepped peripheral circumference mounted on a rotating shaft is disclosed. The flux conducting cam enhances the flux density imposed upon the Hall effect device when the high portion of the cam becomes proximate the Hall device. The concentrated flux lines flowing through the Hall device changes the state of the device in accordance with the preselected angular positions of the rotary shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.