H - Electricity – 04 – H
Patent
H - Electricity
04
H
H04H 20/67 (2009.01) H04B 7/185 (2006.01) H04B 7/216 (2006.01) H04B 1/69 (2006.01)
Patent
CA 2209165
A digital radio broadcasting system using spread spectrum modulation transmitted from both geosynchronous satellites and terrestrial repeater stations provides multi--program audio services to mobile and fixed user receivers over a large geographical area in an ubiquitous manner.
Borden Ladner Gervais Llp
Cd Radio Inc.
Sirius Satellite Radio Inc.
LandOfFree
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