EP0959573A3

System for efficiently broadcasting via satellite to mobile receivers in service areas at high latitude

Abstract

Satellite audio broadcasting systems include orbital constellations for providing high elevation angle coverage of audio broadcast signals from the constellation's satellites to fixed and mobile receivers within service areas located at geographical latitudes well removed from the equator.

Term

Term ended

Projected expiry passed 17 May 2019, 7.4 years ago.

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Every citation, both ways

Citations
DocumentRelationOfficeCategoryCited duringRelevant claims
GB2313743ACitesUnited KingdomASearch report1-43
US4943808ACitesUnited States of AmericaXYSearch report1-7,22-27,42
US5485485ACitesUnited States of AmericaYASearch report8-21,28-41,43