Multiplex communications – Wide area network – Packet switching
Patent
1995-02-28
1995-12-05
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 951, 34082547, 455 15, 455 341, 455 541, 379 58, 379202, H04B 7204
Patent
active
054736056
ABSTRACT:
While participating in a group call on a first wireless communication resource 114, senior members 104-107 of a communication group 108 can initiate a semi-private call. A central controller 110 allocates a second wireless communication resource 115 for the semi-private call. Furthermore, executive members 106-107 can initiate an executive call to be established on a third wireless communication resource 116. Executive members can participate in the executive call, the semi-private call, and the group call, whereas senior members can participate in the semi-private call and the group call. Junior members 101-103, normally allowed to participate only in the group call, can be selected by senior members to temporarily participate in the group call and the semi-private call.
REFERENCES:
patent: 4649567 (1987-03-01), Childress
patent: 4754450 (1988-06-01), Lynk, Jr. et al.
patent: 5034947 (1991-07-01), Epps
patent: 5224094 (1993-06-01), Maher
patent: 5255308 (1993-10-01), Hashimoto et al.
patent: 5404571 (1995-04-01), Makowski
Bunkenburg Brian K.
Grube Gary W.
Naddell Marc C.
Blum Russell W.
Moreno Christopher P.
Olms Douglas W.
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