Interactive telephone gaming system
US5186471A · kind A · utility
58Cited by
7References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 21, 1991 |
| Grant date | Feb 16, 1993 |
| Priority date | — |
| Expiry date | Jun 21, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63F2003/086
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A gaming apparatus for use with a telephone network which supports standard DTMF tones and to which is connected telephone stations capable of generating standard DTMF tones wherein the gaming apparatus generates and transmits DTMF tones to a calling telephone station, receives response DTMF tones from a player at the calling station and compares the transmitted and received DTMF tones to determine if there is a match.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.