Telecommunications – Radiotelephone system – Programming control
Patent
1996-11-15
1998-11-24
Wolfe, Willis R.
Telecommunications
Radiotelephone system
Programming control
455411, 455550, 455551, H04Q 732
Patent
active
058421246
ABSTRACT:
A system for user-programming of system parameters of a cellular telephone. Data values for the system parameters are stored in a nonvolatile memory within the cellular telephone. A password storage area stores one or more predetermined passwords. After purchasing the telephone, the end-user calls a predetermined telephone number and receives one of the predetermined passwords. The user enables a programming mode and enters the predetermined password using the cellular telephone keypad. If the user-entered password matches the stored predetermined password, the cellular telephone allows user access to at least a portion of the system parameters in the nonvolatile memory. A counter tracks the number of user-programming attempts and terminates the programming after either a predetermined number of failures or successful programming of all the desired system parameter values.
REFERENCES:
patent: 5297191 (1994-03-01), Gerzberg
patent: 5551073 (1996-08-01), Sammarco
patent: 5572571 (1996-11-01), Shirai
patent: 5612682 (1997-03-01), DeLuca et al.
Coad Michael T.
Kenagy Jason B.
Brown Charles D.
Miller Russell B.
Qualcomm Incorporated
Vo Hieu T.
Wolfe Willis R.
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