Erasing method for image recorded on reversible heat-sensitive recording medium
US5638105A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1996 |
| Grant date | Jun 10, 1997 |
| Priority date | — |
| Expiry date | Apr 22, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/363
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An erasure method for an image recorded on a reversible heat-sensitive recording medium comprising the step of contacting a thermal head to apply an amount of heat as an electric wave pulse to the recorded image in a heat-sensitive recording layer, characterized in that the amount of heat as pulse waves satisfies the following formula (1) EQU E.sub.(n-1)th >E.sub.(n)th (1) wherein PA1 E.sub.(n)th indicates an amount of heat applied to one dot of the thermal head the nth time, PA1 E.sub.(n-1)th indicates an amount of heat applied to one dot of the thermal head the (n-1)th time, and PA1 .sub.n indicates a number of times the amount of heat is applied, and is an integer greater than 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.