Postage meter having means transferring data from a working memory to a non-volatile memory under low power conditions
US4306299A · kind A · utility
47Cited by
8References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1979 |
| Grant date | Dec 15, 1981 |
| Priority date | — |
| Expiry date | Nov 13, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07B2017/00411
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An electronic postage has a working memory and a non-volatile memory. A voltage sensing circuit senses low power conditions, and, in response thereto, controls a data transfer circuit to transfer data from the working memory to the non-volatile memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.