| 摘要 |
PROBLEM TO BE SOLVED: To protect the apparatus of consumers without being restricted by the number of security object apparatus, while preventing the increase of a communication cost. SOLUTION: In a security system, a VCR apparatus 2a, and a TV receiver 2b which are the security object apparatus are connected to an operation center 6 including a large capacity of database 7, wherein the identifying code of a personal computer (PC) 2c and an operation permission code are previously registered, via a always-connectable and monthly fixed-rate line such as a DSL or a cable line. COPYRIGHT: (C)2004,JPO |
