Officiating communication device
US5557253A · kind A · utility
4Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 1994 |
| Grant date | Sep 17, 1996 |
| Priority date | — |
| Expiry date | Sep 1, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B71/06
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
This invention concerns a device for confirming an official's call in a field sport, including a flag for waving to visually indicate to others that the event has occurred, a shaft upon which the flag is loosely attached, a handle to support the shaft integral therewith, a power source, an electronic signal generator and transmitter, and a receiver worn by another offical for receiving the signal in confirmation of the official's call.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.