One or more portable remote devices involved with sports that can control time or whistle equipment on or off the playing area
US7561494B2 · kind B2 · utility
18Cited by
7References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 8, 2005 |
| Grant date | Jul 14, 2009 |
| Priority date | — |
| Expiry date | Aug 28, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K5/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
One or more remote control devices used at a sports event, by one or more officials, at that game, on activation can control, compatible game time pieces, without interference, that are located, on or off the playing field, with the option of initiating the sound of a whistle at activation location, or from compatible equipment, that are on or off the field, without any game time piece being altered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.