Electronic calculator with printer
US4344147A · kind A · utility
2Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1979 |
| Grant date | Aug 10, 1982 |
| Priority date | — |
| Expiry date | Oct 24, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F15/0233
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic calculator having a printer detects the key entry by one of arithmetic keys following the numerical key entry and prints one of arithmetic symbols and entered number respectively at the left-hand side and right-hand side of the print sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.