Patent ID: 7613210

Claim:
A measuring time management system comprising: a server and an information terminal device connected to each other through a network, a data transmitter-receiver detachably connected with the information terminal device by a predetermined interface, and a data measuring instrument connected to the data transmitter-receiver by a predetermined wireless communication system, wherein said server includes time information transmitting means for transmitting the time information of the server side to said information terminal device, said information terminal device includes information terminal device side time information transmitting means for transmitting to said data transmitter-receiver the time information transmitted by said time information transmitting means, and measuring information forwarding means for forwarding to said server the measuring information transmitted from said data transmitter-receiver, said data transmitter-receiver includes data transmitter-receiver side synchronous means for synchronizing the time of the data transmitter-receiver with the time information transmitted by said information terminal device side time information transmitting means, information transmitting means for transmitting predetermined information to said data measuring instrument side, time stamp record means for recording a time stamp on the measuring information transmitted from said data measuring instrument based on the time information of the data transmitter-receiver side synchronized by said data transmitter-receiver side synchronous means, and time stamp recorded measuring information transmitting means for transmitting to said information terminal device the measuring information on which the time stamp was recorded by said time stamp record means.