PASSWORD INPUT METHOD AT A KEYPHONE SYSTEM

PURPOSE: A method for inputting a password in a keyphone system is provided to enable a user to use a password without exposing the password to others by changing the password up to 5 digits, thereby improving security. CONSTITUTION: A user inputs a password(S401). A keyphone system confirms whether...

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Bibliographic Details
Main Author SHIN, JAE SEOK
Format Patent
LanguageEnglish
Korean
Published 18.06.2004
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
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