Data transmission device
US5675509A · kind A · utility
7Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 1995 |
| Grant date | Oct 7, 1997 |
| Priority date | — |
| Expiry date | May 16, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10H2240/131
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Each of the data transmission devices 15a-15d serially and cyclically transmits all the song data over a corresponding channel, by a time cycle corresponding to the number of the song data. The four data transmission devices 15a-15d transmit the song data, at timings shifted from one another by (1/the number of channels) of the time cycle. Each terminal determines one channel out of the four channels that can most rapidly supply desired song data. Each terminal then picks up the desired song data from the determined channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.