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Gamco

05/04/10 9:30 AM

#289191 RE: Gamco #289190

United States Patent 7,708,197
Schilling May 4, 2010

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Removable card for use in a communication unit


Abstract
A removable computer chip module for use in a communication unit is disclosed. The communication unit also includes a transceiver, an interface in communication with the removable computer chip module, and a controller in communication with the interface. The controller configured to receive a first access number stored on the removable computer chip module. The controller is further configured to control a transceiver in the communication unit such that the transceiver transmits the first access number to access a cellular network and receives a second access number. The controller is further configured to control the transceiver such that the transceiver transmits the second access number to the cellular network for subsequent access to the cellular network. The controller is further configured to receive count information associated with calls from the removable computer chip module.


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Inventors: Schilling; Donald L. (Sands Point, NY)
Assignee: InterDigital Technology Corporation (Wilmington, DE)

Appl. No.: 11/586,058
Filed: October 25, 2006

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Related U.S. Patent Documents

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Application Number Filing Date Patent Number Issue Date
10730229 Dec., 2003 7137548
10617995 Nov., 2005 6964369
10073544 Nov., 2003 6651883
09886497 May., 2002 6382507
09671917 Sep., 2001 6290127
09421733 Jan., 2001 6170745
08954788 Dec., 1999 6003770
08685595 Apr., 1996
08281705 Jul., 1994
07956851 Oct., 1994 5359182


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Current U.S. Class: 235/380 ; 455/419; 455/461
Current International Class: H04M 3/00 (20060101); H04W 4/00 (20060101)
Field of Search: 235/375,380,382 379/143-155,550-575 455/73-90,558,403-466 705/1,28,500