CELLULAR TELEPHONE SYSTEMS

Brand	Owner	Address	Description
FLEXTDMA	DIRECTV GROUP, INC.	2250 EAST IMPERIAL HIGHWAY EL SEGUNDO CA 902450956	cellular telephone systems;FLEX TDMA;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

There is provided a Bluetooth module part for establishing wireless connection to a cellular telephone having a Bluetooth function and a microcomputer for determining that the cellular telephone has been left when connection to the cellular telephone has continued for a certain time, and the cellular telephone is provided with any one of a function of providing unique information identifying the self and a function of obtaining present position information of the self, and there is provided the microcomputer for sending at least one of a device ID and the present position information to a preset communication destination through the cellular telephone when the microcomputer determines that the cellular telephone has been left.