Coin-shaped recording medium, recording medium processing device
US7793847B2 · kind B2 · utility
8Cited by
5References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 10, 2005 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | May 30, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F7/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An IC coin includes an antenna coil for transmitting and receiving value information to and from a recording medium processing device, an RF-ID tag for recording the value information, an image display medium to or from which an image is written or deleted by applying voltage, an anode terminal exposed on an external surface of the IC coin to input voltage applied to the image display medium by connecting with an external terminal, and cathode terminals. In the IC coin having this structure, voltage for writing or deleting an image can be inputted from outside and an image can be written or deleted to or from the IC coin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.