Patent ID: 6215745
Filing Date: 2001-04-10
Classification: G06F,G06Q,G11B

Abstract:
An information providing and collecting system comprising:information transmitting means for establishing a connection between an information providing side and an information collecting side;transmitting and receiving means for transmitting and receiving information between said information providing side and said information collecting side through said information transmitting means;information medium reading means for reading information of an information medium having encoded information recorded thereon;key encoding means which uses at least one specific information possessed by said information collecting side and transmitted from said information collecting side so as to encode key information required to decode said encoded information of the information medium, wherein said at least one specific information is non-specific to said information medium;encoded-key decoding means located at the collecting side for receiving encoded key information electronically transmitted from said information providing side and for decoding the encoded key information by using said specific information; andencoded-information decoding means for decoding said encoded information read from said information medium by using said decoded key information;wherein said information collecting side further transmits information reproduced from the information medium to said information providing side, and said information providing side transmits said encoded key information only after it receives the reproduced information and the at least one specific information transmitted by the information collecting side.