Rollerball control arrangement for a timepiece adapted to receive radio broadcast messages
US5285426A · kind A · utility
45Cited by
13References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 2, 1993 |
| Grant date | Feb 8, 1994 |
| Priority date | — |
| Expiry date | Aug 2, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B5/228
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A timepiece includes a timekeeper displaying the hour (4) and the minute (5), a receiver for radio broadcast messages adapted to be read on a display (7) and a control arrangement (2) including a rollerball (1) adapted to be manually rolled in a first direction (Y) for which received messages can be displayed one after the other and in a second direction (X) for which at least the functions of engagement, of disengagement or entry into a special operating mode may be chosen. The rollerball may also be pressed in a third direction (Z) for which the displayed message may at least be erased or protected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.