Abstract: A method of collecting information in a product distribution system is disclosed. In this system, users purchase products from a manufacturer via distributors. The method includes the step of transmitting distributor identification information of the distributors, through which users purchased products, to an information collector via terminal devices, such as cellular phones. The user transmits the distributor identification information. The method fewer includes the step of identifying the distributors based upon the distributor identification information transmitted by the users. The information collector identifies the distributors.

Abstract: A clinical thermometer for women having processing function to determine day of ovulation accurately and also having function to memorize the data for several menstruation periods and to display the data when desired to guide exact diagnosis.

Abstract: A message telephone with message recording and reproducing function equipped with remote control switch is disclosed. The message telephone has a calling signal identification circuit and after counting a predetermined number of calling signals, if the calling party once disconnects the call and orginates a second call within a predetermined time interval the device works as a message telephone after providing an identifying MF signal pass-word to work various message functions under control of the remote calling party.