Trading card and display stand
US6640474B2 · kind B2 · utility
13Cited by
19References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2002 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Jan 30, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F13/22
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A trading card having an electroluminescent feature in combination with a display stand providing a power source. When the trading card is placed in the display stand, the power source from the display stand energizes the electroluminescent feature of the trading card, thereby providing illuminated graphics and making the trading card more interactive. The trading card can include a circuit that facilitates moving graphics displays and can further drive a speaker to allow for audio in conjunction with the illumination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.