Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2005-04-26
2005-04-26
Nguyen, Lee (Department: 2682)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S404200, C455S456100, C455S519000, C455S518000
Reexamination Certificate
active
06885874
ABSTRACT:
Methods are disclosed for sharing location and route information between communication units (e.g., talkgroup members) that are subscribed to a group location sharing service. The group location sharing service is event-based, such that the communication units may form a subset of a talkgroup desiring to actively participate or monitor an event. Communication units de-subscribe from the group location sharing service or talkgroup when they no longer desire to participate or monitor the event. Service levels may be determined for various subscribers to the group location sharing service. The service levels may include, for example, an information transmission service level and information reception service level that determine an amount, type, and/or timing of information to be sent or received by particular subscribers.
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Grube Gary W.
Seymour Leslie Gabor
Hughes Terri S.
Nguyen Lee
Saladi Indira
Santema Steven R.
West Lewis
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