SIM card secured subscriber unit

Details SIM card secured subscriber unit SIM card secured subscriber unit

1997-12-16

2000-10-31

Bost, Dwayne D.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455411, 455550, 379357, H04Q 720

Patent

active

061415634

ABSTRACT:
A subscriber unit (101) includes a SIM card reader (107) for receiving a SIM card (105). The subscriber unit (101) is serialized and has stored therein an alphanumeric signature value which is associated with the specific serialized subscriber unit (101). The subscriber unit (101) is fully operable only with a SIM card (105) having stored therein the specific signature value corresponding to the serialized subscriber unit (101). A user having a SIM card (105) containing the specific signature value for that subscriber unit can select a mode of user operation which will permit multiple selected SIM card holding users to use the subscriber unit.

REFERENCES:
patent: 5404580 (1995-04-01), Simpson et al.
patent: 5418837 (1995-05-01), Johansson et al.
patent: 5444764 (1995-08-01), Galecki
patent: 5687216 (1997-11-01), Svensson
patent: 5875404 (1999-02-01), Messiet
patent: 5884168 (1999-03-01), Kolev et al.

Affiliated with

Also associated with

Rating

SIM card secured subscriber unit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with SIM card secured subscriber unit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and SIM card secured subscriber unit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2064170