Telephone regulation system and portable telephone terminal...

Details Telephone regulation system and portable telephone terminal... Telephone regulation system and portable telephone terminal...

H - Electricity

04

Q

H04Q 7/36 (2006.01) H04Q 7/32 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2316727

A telephone regulation system to regulate usage of a telephone terminal that carries out conversation using a radio wave includes an approach recognition device provided at the neighborhood of an approach path to a predetermined region to transmit a first command through a weak wave to a portable telephone terminal passing through the neighborhood and entering the predetermined region, and a departure recognition device provided in the neighborhood of a departure path from the predetermined region to transmit a second command through a weak wave to a telephone terminal passing through the neighborhood and departing from the predetermined region.

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