Multiple user digital receiver apparatus and method with combined multiple frequency channels
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 11, 1994
Issued Date -
N/A
app pub date -
Jun 29, 1992
filing date -
Jun 13, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A digital receiver apparatus and method, designed for multiple simultaneous users, digitizes a received analog RF signal and performs multiple frequency translations of the signal so that desired stations are grouped into a common frequency band separate from the remaining stations. This frequency band is then isolated, and the individual selected stations are digitally separated, demodulated and processed to provide multiple simultaneous outputs. The frequency translations are preferably performed initially on a time multiplexed basis. Isolated station separation is performed either by time multiplexing, or by the use of multiple phase or tan locked loops.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 36 Citation Count
- H04J Class
- 80.70 % this patent is cited more than
- 31 Age