Base-band receiver energy detection system
US6442142B1 · kind B1 · utility
28Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 10, 1999 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Mar 10, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G3/341
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method for determining whether signal data exists on a communication line, including: receiving a signal from the line; measuring a level of the received signal at a plurality of predetermined times; comparing the measured levels with predetermined reference levels so as to identify a plurality of valid data pulses; measuring a time interval between two or more of the valid data pulses; and determining that the valid pulses represent signal data responsive to the measured time interval.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.