| 摘要 |
<p>This invention is related to the method of the directional television broadcasting for providing the specified television broadcasting signals to the specified subscribers by using individual address and group address according to the information to be delivered, and the bi-directional communication utilizing the directional television broadcasting signals as the down-stream signals and the host computer of the television broadcasting station as the relay means which transmits the up-stream signals from the subscribers. Also, this invention provides the method for the remote educational broadcasting by classes for the specified paid auditors, the national emergency alert television broadcasting by the specified addressed group target, the e-mail for audio and video and letter by television network, the e-newspaper subscribing system by the broadcasting network, and the new method to control the access system to the parented guide program by S/W rather than V-chip technology to save the cost and better efficiency utilizing the improved address system consisting of individual address and group address, as well as the directional broadcasting method by network TV, satellite TV and cable TV.</p> |
