System for a play caller to display calls to participants in an athletic competition
US9129541B2 · kind B2 · utility
7Cited by
3References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2011 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | May 9, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B71/0622
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a system for displaying a play call to participants in an athletic competition, the system having an input device, a display device, a selector, a first block of at least three characters and a second block of at least three characters. The first and second blocks are separated by a division. The first and second blocks each contain one character selected by a play caller and one character selected by the selector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.