Patent ID: 7199708

Claim:
A communication apparatus, comprising: a bio-information sensor for measuring bio-information obtained from a human body; an environment information sensor for measuring environment information; communication means for comparing at least one piece of information in the bio-information and in the environment information with bio-information or environment information accumulated as past utilized data and for transmitting, to a transmission receiver, transmission data related to the past utilized data when the at least one piece of information coincides with the information in the past utilized data, and for transmitting newly produced transmission data when the at least one piece of information does not coincide with the information in the past utilized data; means for recording bio-information and environment information periodically and for classifying and accumulating bio-information and environment information by time, wherein when the present bio-information and environment information of a user depart from the accumulated information at a predetermined time, a notification is sent to an emergency dial place.