BI-DIRECTIONAL DATA COMMUNICATION SYSTEM, SPORT SUPPORT SYSTEM, TRAINING SUPPORT SYSTEM, SPORT SUPPORT METHOD, TRAINING SUPPORT METHOD, TRAINING METHOD, PROGRAM FOR THE SAME METHOD, AND RECORDING MEDIUM FOR RECORDING THE SAME PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a bi-directional data communication system for bi-directionally communicating data with an information terminal in a group including a plurality of information terminals.SOLUTION: The bi-directional data communication system includes: transmission/reception means for receiving transmission data from an information terminal, and for transmitting shared data to be shared in a group to a plurality of information terminals; storage means for storing transmission data received by the transmission/reception means; data generation means for generating the shared data on the basis of the transmission data stored in the storage means; and control means for transmitting the shared data generated by the data generation means to the information terminal. The data generation means selects a group ID on the basis of a terminal ID when receiving the transmission data, and specifies the group on the basis of the selected group ID, and generates the shared data to be shared in the specific group, and the control means transmits the shared data only to the plurality of information terminals in the specified group.SELECTED DRAWING: Figure 1