Method and apparatus for automatic random selection identification
US5590879A · kind A · utility
25Cited by
5References
6Claims
0Family size
Inventor
Key dates
| Filing date | Jun 12, 1995 |
| Grant date | Jan 7, 1997 |
| Priority date | — |
| Expiry date | Jun 12, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2009/2435
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A method and apparatus for random determination and display of a multiplicity of numbers from a larger quantity of numbers including the placing of numbers on balls, mixing the balls in an air chamber, selecting one ball at a time, placing the balls as selected in pockets on a timing wheel, confirming the selection and placement of the balls electronically, recording the numbers by video camera, and displaying the numbers on a display board as selected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.