Patent ID: 6954648

Claim:
A mobile telephone system comprising: a mobile telephone base station connected to a telephone network; and a mobile telephone apparatus which comprises a first GPS unit for receiving a GPS wave as a first received GPS signal to obtain position data of said mobile telephone apparatus by information processing with reference to said first received GPS signal and a radio section connected to said first GPS unit for transmitting, by radio communication, the position data of said mobile telephone apparatus to said mobile telephone base station to make said mobile telephone base station inform said telephone network of the position data of said mobile telephone apparatus; said mobile telephone base station comprising a mobile telephone base section for transmitting, by radio communication, position information of said mobile telephone base station to said mobile telephone apparatus to enable said mobile telephone apparatus to use the position information of said mobile telephone base station instead of the position data of said mobile telephone apparatus, wherein: said mobile telephone base station further comprises a second GPS unit for receiving said GPS wave as a second received GPS signal to obtain the position information of said mobile telephone base station by information processing with reference to said second received GPS signal; and said mobile telephone base station being connected to said second GPS unit to be supplied with the position information of said mobile telephone base station from said second GPS unit.