Cable television radio frequency subscriber data transmission apparatus and RF return method
US5235619A · kind A · utility
272Cited by
23References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1990 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Mar 20, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/25891
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of transferring a data message from a remote unit to a central location is provided. A plurality of data channels is selected for transmitting the data message from the remote unit to the central location. At least one random transmit time is generated for transmitting the data message for each of the plurality of data channels. The data message is transmitted over the plurality of data channels at the transmit times. An apparatus for transferring a data message from a remote unit to a central location is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.