Appeal No. 2001-1185
Application No. 08/915,597 Page 8
“subscriber units 24 are also assigned temporarily to serving SOs
16. The SOs 16 are selected in response to the current location
of the subscriber unit 24. As the subscriber unit 24 moves from
one service control area 42 to another service control area 42
(see FIG. 2), this temporary assignment changes so that the
subscriber unit 24 is temporarily assigned to the SO 16 within
whose service control area 42 the subscriber unit 24 currently
resides.” If communication services are allowed, task 112 may
alter the path ends previously established to indicate a
connection between the subscriber unit and an SO 16. After a
change path message is sent future communications will be then be
directed through satellite 14 between the SO 16 and the
subscriber unit 24 rather than between the home SIM and the
subscriber unit 24 (col. 15, lines 4-10). The serving SO updates
its records to reflect the temporary assignment of subscriber
unit 24, the subscriber unit's location, and any other data
relevant to the service of the subscriber unit 24 through an SO
16 (col. 15, lines 15-18).
In sum, from the disclosure of we Sowles, we find that (a)
when outside their home area, subscriber units 24 are temporarily
assigned to the SO that serves the current location of the
subscriber unit; (b) when temporarily assigning the subscriber
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