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A high speed data transfer system includes a WAU (201) which is utilized to provide high speed data access to satellite transferred data. The system is configured such that a plurality of data utilization devices (205) may access the high speed data via wireless links to the WAU (201). Advantageousl

A high speed data transfer system includes a WAU (201) which is utilized to provide high speed data access to satellite transferred data. The system is configured such that a plurality of data utilization devices (205) may access the high speed data via wireless links to the WAU (201). Advantageously, high speed data services may be provided to users without the users requiring individual satellite antennas.

대표청구항 ▼

A high speed data transfer system includes a WAU (201) which is utilized to provide high speed data access to satellite transferred data. The system is configured such that a plurality of data utilization devices (205) may access the high speed data via wireless links to the WAU (201). Advantageousl

A high speed data transfer system includes a WAU (201) which is utilized to provide high speed data access to satellite transferred data. The system is configured such that a plurality of data utilization devices (205) may access the high speed data via wireless links to the WAU (201). Advantageously, high speed data services may be provided to users without the users requiring individual satellite antennas. 5% of the critical damping of the material used in the panel. 11. The panel-shaped loudspeaker as claimed in claim 10 wherein all of the partitions of the panel extend parallel to each other and to said two main walls of the panel. 12. The panel-shaped loudspeaker as claimed in claim 10 wherein the longitudinal axes of all of the partitions of the panel extend parallel to each other and to said two main walls of the panel. 13. The panel-shaped loudspeaker as claimed in claim 10 wherein said two walls together with the partitions form rectangular parallel channels with a square cross-section and dimensioned such that the panel exhibits an anisotropic bending stiffness. 14. The panel-shaped loudspeaker as claimed in claim 10 wherein said two walls together with the partitions form parallel channels and the walls and partitions are dimensioned such that the panel bends around an axis extending parallel to said longitudinal axes and is relatively bending stiff about an axis transverse thereto. 15. The panel-shaped loudspeaker as claimed in claim 10 wherein the material of the walls is the same as the material of the partitions and the two walls and the partitions constitute an integral unit whereby the loud speaker provides good acoustic performance throughout a range of frequencies including low frequencies and high frequencies. 16. The panel-shaped loudspeaker as claimed in claim 10 wherein said two walls together with the partitions form parallel channels which extend parallel to said two main walls of the panel so that the loud speaker provides good acoustic performance throughout a range of frequencies including low frequencies and high frequencies. 17. The panel-shaped loudspeaker as claimed in claim 10 wherein said internal damping is at most 10% of the critical damping of the material constituting the panel. 18. The panel-shaped loudspeaker as claimed in claim 10 wherein the exciter comprises an electromagnetic exciter system and the panel secured to a frame by resilient securing means. 19. The panel-shaped loudspeaker as claimed in claim 10 wherein the partitions extend at least substantially parallel to each other an are at least substantially perpendicular to the walls. 20. The panel-shaped loudspeaker as claimed in claim 16 wherein said parallel channels form continuous channels that extend between parallel opposed sides of the panel perpendicular to and interconnecting the two main walls of the panel. 21. A panel-shaped loudspeaker comprising: a panel including two parallel main walls interconnected by a structure of thin partitions extending between and secured to said two main walls of the panel, all of said partitions having longitudinal axes that extend parallel to each other and parallel to the two main walls of the panel so that the two main walls and the partitions form channels extending parallel to said longitudinal axes, wherein the partitions and the two main walls are made of a material which has an internal damping as used in the panel which is at least 2.5% of the critical damping of the material as used in the panel, and an exciter member coupled to the panel so as to produce a bending wave pattern in the panel when energized. 22. The panel-shaped loudspeaker as claimed in claim 21 wherein said two walls together with the partitions form parallel channels and the walls and partitions are dimensioned such that the panel is bendable around an axis extending parallel to said longitudinal axes and is relatively bending stiff about an axis transverse thereto, whereby the loud speaker provides good acoustic performance throughout a range of frequencies including low frequencies and high frequencies. 23. The panel-shaped loudspeaker as claimed in claim 21 wherein said internal damping is 3% of the critical damping of the material constituting the panel. 24. The panel-shaped loudspeaker as claimed in claim 21 wherein said two main walls together with the partitions forms rectangular parallel channels and