Combination calculator and timepiece
US4189912A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 1977 |
| Grant date | Feb 26, 1980 |
| Priority date | — |
| Expiry date | May 26, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G9/007
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a combination calculator and timepiece. The combination calculator and timepiece consists of a calculator unit and timepiece unit, said calculator unit operating arithmetic function in response to key input means provided on the calculator unit and said timepiece unit functioning for horological operation and chronometrical operation etc. A display unit is included within the calculator unit for indicating arithmetic computation and another display is included within the timepiece unit for indicating time information derived from the timepiece unit. The display of the calculator unit and the display of the timepiece unit are disposed on opposite faces of a common housing enclosing the calculator and timepiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.