Holographic display for pinball games
US5316303A · kind A · utility
146Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1993 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | Mar 16, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2270/31
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The visual display of the invention consists of a holographic display projected through the playfield. The display projects an image that is related to the playfield and is mounted on a flexible plate that is flexed by a rotating cam wheel. As the cam wheel flexes the plate mounted image appears to the player to move.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.