Type carrier
US3999478A · kind A · utility
1Cited by
10References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 13, 1973 |
| Grant date | Dec 28, 1976 |
| Priority date | — |
| Expiry date | Jul 13, 1993 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J1/20
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printer employing a steel band having type and control indicia etched along one surface. A variable reluctance transducer senses the control indicia to properly time the operation of the printer. The transducer contains an axial pole and a concentric cylindrical pole, in which are located a coil and a cylindrical magnet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.