Magnetic encoder having a magnetic recording medium containing barium-ferrite
US5302893A · kind A · utility
12Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 7, 1991 |
| Grant date | Apr 12, 1994 |
| Priority date | — |
| Expiry date | Aug 7, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/90
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A coated magnetic recording member for use in a magnetic encoder includes a non-magnetic substrate and a magnetic recording medium carried on the non-magnetic substrate. The magnetic recording medium of a magnetic film formed of a magnetic coating material which contains magnetic barium-ferrite powder. A magnetic encoder includes the magnetic recording member on which magnetic recording is conducted, and a magnetic sensor disposed in opposed relation to the magnetic recording medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.