RENTAL SYSTEM FOR BOOK CONTENTS, PROVIDING METHOD FOR RENTAL SERVICE OF BOOK CONTENTS, AND BROWSING DEVICE FOR BOOK CONTENTS

摘要

PROBLEM TO BE SOLVED: To prevent book contents from illegally being used so as to protect the copyright of the contents in rental business by electronic commerce. SOLUTION: When a user sets a flash memory in a storefront terminal 109 at a convenience store, etc., and selects desired electronic book contents, ciphered electronic book contents and software (reader) for reading the electronic contents are downloaded. The user sets the flash memory where the electronic contents, etc., are downloaded in a reading terminal 105 and then can browse the electronic book contents. The electronic contents that the user rents are so previously constituted that they are erased after a certain period elapses.