Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2005-10-04
2005-10-04
Trost, William (Department: 2683)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S003020, C455S428000, C455S430000, C370S316000, C370S474000
Reexamination Certificate
active
06952580
ABSTRACT:
A communication system has a plurality of high altitude devices that are coupled to user terminals through a plurality of dynamic links. The terminal monitors and changes the multiple dynamic links as the position of the user terminal relative to the high altitude devices changes. The terminal transmits to and receives from the user terminals through the high altitude devices using a plurality of datagrams.
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paten
Chang Donald C. D.
Chang Ming
Lim Wah
Grunebach Georgann S.
The DIRECTV Group Inc.
Trost William
Zewdu Meless
LandOfFree
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