Patent ID: 7266615

Claim:
A method for interchanging information in which a receiving side, which receives information, sends to a sending side, which keeps said information, a request for transmission of said information through a communication system, said sending side, in response to said request, sends said receiving side said information through said communication system, and said receiving side receives said information which has been sent and displays said information in the form of an image with or without voice, on the assumption that generation of said request in said receiving side is a preliminary processing step and said displaying at said receiving side is a final processing step, there is at least one intermediate processing step in at least any of said receiving side, said sending side, and said communication system, between said preliminary processing step and said final processing step, the route along which an ensuing processing step is executed by using the result of a preceding processing step constitutes a loop, and the number of times for updating processing within a unit time is a frequency, wherein said method comprises: repeatedly updating said request and said loop, and keeping the frequency of at least one step before the preceding processing step from said final stage processing step lower than a permissible frequency for which said final stage processing step has been confirmed.