Magnetically coupled keystart switch
US6223571A · kind A · utility
11Cited by
13References
36Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 26, 1999 |
| Grant date | May 1, 2001 |
| Priority date | — |
| Expiry date | Mar 26, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7057
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for magnetically activating an output signal from a keyswitch. The rotation of a keyswitch rotates a magnetic device into a first position. A magnetic sensing device detects the magnetic field created by the magnetic device, and transmits a flag signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.