Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1994-12-30
1996-11-05
Bost, Dwayne D.
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379 59, 455 331, H04Q 732, H04Q 738
Patent
active
055725716
ABSTRACT:
A module (P-code module) provides parameter information to a Number Assignment Module (NAM) in a cellular phone unit by processing a simple programming code (P-code) entered by the user through a telephone keypad. The P-code employs a flexible length telephone keypad coding that can be translated into programmable parameters of cellular phone products. Field identification numbers and look-up tables are used to shorten the P-code length for more frequently used information. To activate a cellular phone, the user provides product and serial number information to a dial-up access center which then generates a scrambled P-code for entry by the user. The P-code module within the processor unit of the cellular phone likewise descrambles, decompresses, and performs an integrity check on the sequence of digits being entered by the user. This P-code module reduces the technical requirements for programming a cellular phone purchased at the retail level such that a user can perform the necessary programming for activating the cellular telephone on a local telephone network.
REFERENCES:
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patent: 5414753 (1995-05-01), Ehara
CM-H333 Portable Cellular Telepone with Accessories, "Operating Instructions", 1993.
CM-H333 "Instructions for Programming NAM Data".
Bost Dwayne D.
Kananen Ronald P.
Sony Corporation
Sony Electronics Inc.
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