CATV communication system and a CATV center equipment and CATV terminal units
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 13, 1998
Grant Date -
N/A
app pub date -
Jun 21, 1996
filing date -
Jun 23, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the CATV communication system, each channel comprises a down control channel which employs a carrier wave (fd0) and accommodates a down delay control channel slot and down assignment control channel slots therein, a plurality of down communication channels which employ carrier waves (fd1 to fd4) different from that employed in the down control channel and accommodate down communication data channel slots therein, and a plurality of up channels which employ carrier waves (fu0 to fu3) and accommodate up delay control channel slots, up assignment control channel slots, and communication data channel slots therein.
First Claim
Family
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- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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