| 摘要 |
PROBLEM TO BE SOLVED: To enable plural users to operate a system and to make disclosable the information on the other user by providing a device capable of controlling the input operation of plural operators and a large-sized information input/output device. SOLUTION: A book information storage device 101 is composed of a book information storage part 102 for storing the information on books and an information retrieving and extracting part 103 for extracting the book information from this storage part. Then, previously electronized book data are stored, managed and installed in a book store, etc., so as to be operated when the user is to refer to/purchase a book. Besides, a book information display device 104 is composed of a device 110 for information input/output, an input information detecting part 105 for detecting and acquiring input operation information from the device 110 for information input/output and an information display control part 106 for displaying the relevant information in the information input device corresponding to a request from the input information detecting part 105, etc. Thus, simultaneous operation by plural clients and the quick perusal/purchase of the electronic book during perusal/purchase of the other client are enabled. |
