Analog-display electronic watch with stator mounted rotor, hand spindles and gear train
US4426158A · kind A · utility
25Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1982 |
| Grant date | Jan 17, 1984 |
| Priority date | — |
| Expiry date | Feb 19, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04C3/005
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The watch casing 102 is made of plastics material. The stator 2 of the motor serves at the same time as the support for the rotor 32 and as a plate for the spindles 18, 22, 24 for the hands and the gear train 48, 46, 47, 20. The printed circuit 304 is secured to the bottom 104 of the casing by heat-sealing. The cell is housed in a chamber 262 disposed in a thick portion of the bottom of the casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.