Head protrusion measuring structure
US4492035A · kind A · utility
2Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 18, 1983 |
| Grant date | Jan 8, 1985 |
| Priority date | — |
| Expiry date | Feb 18, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B15/61
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
To measure the protrusion of a magnetic transducing head from a head-supporting and tape-guiding structure of the rotary drum-type, for example, a known gauge means is mounted on a base arranged to ameliorate excessive bearing pressure against the head and damage thereto and to the gauge apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.