Timepiece including a dial made of semiconductor material
US7663979B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2006 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Sep 6, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04G17/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electronic timepiece (10) includes a case (12) which is fitted with a dial (28) and which contains an electronic control circuit (22) driving a display device (24), of the type wherein the dial (28) includes a main body (48) in the form of a plate which is made of semiconductor material, and of the type wherein the control circuit (22) includes at least one control unit (36) and a time base circuit (34), characterized in that the control circuit (22) includes at least one integrated circuit element (34, 36) which is etched in the main body (48) of the dial (28).The invention also proposes a dial (28) to be fitted to the timepiece (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.