ILLEGAL USE PREVENTING SYSTEM FOR INFORMATION PROCESSOR
PROBLEM TO BE SOLVED: To solve a problem concerning a conventional portable information terminal that even a user cannot use a portable information terminal when a transmitter for personal identification is stolen or the portable information terminal can be used in the venue of theft when both the t...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To solve a problem concerning a conventional portable information terminal that even a user cannot use a portable information terminal when a transmitter for personal identification is stolen or the portable information terminal can be used in the venue of theft when both the transmitter for personal identification and the portable telephone terminal are stolen. SOLUTION: According to availability information from a network center through a radio communication means the power source of the portable information terminal is turned off by a power source OFF means when use is disabled. |
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