Thermal writing power
US4027311A · kind A · utility
6Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 1975 |
| Grant date | May 31, 1977 |
| Priority date | — |
| Expiry date | Oct 31, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D15/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A thermal nib is provided, which is heated by being directly inserted into an electrical circuit, and which enables writing on thermal paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.