Display device with a combination of display members
US8750079B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 5, 2012 |
| Grant date | Jun 10, 2014 |
| Priority date | — |
| Expiry date | Dec 5, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04C17/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Timepiece display device (100) comprising a first display member (1) cooperating with first drive means (10) via a first transmission means (11), and a second display member (2), cooperating with a second drive means (20) via a second transmission means (21).First contactless coupling means (12) are carried by said first display member (1) or by said first transmission means (11), second contactless coupling means (22) are carried by said second display member (2), or by said second transmission means (21), said first coupling means (12) cooperate with said second coupling means (22) in a complementary, contactless, attraction coupling in order, when said coupling means are located in immediate proximity to each other, to unite the motion of said first display member (1) and said second display member (2).Said first coupling means (12) and said second coupling means (22) are magnetic or electrostatic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.