Patent 7191075 was granted and assigned to Citizen Watch on March, 2007 by the United States Patent and Trademark Office.
If a power switch of any one measuring device selected from a plurality of measuring devices (10a to 10n) is turned on, identification information for the selected measuring device is transmitted to a data collection apparatus (100). The data collection apparatus (100) identifies the selected measuring device by the received identification information, and informs a user of the way of using the measuring device by means of voices, screen display, etc.