Cryptography – Cryptanalysis
Patent
1993-10-08
1997-04-08
Gregory, Bernarr E.
Cryptography
Cryptanalysis
380 3, 380 23, 380 25, 380 49, 380 50, 235380, 34082531, 34082534, H04L 900, H04L 932
Patent
active
056195702
ABSTRACT:
An information furnishing and collection system which allows rapid furnishing of information and flexible payment of a charge and collects information regarding a reaction of a user while enhancing the security of information management is disclosed. Inputting to an information recording and reproduction apparatus and recording onto and reproduction from an information recording medium are performed under the control of a write management section. When inputting to an information inputting section or recording onto the information recording medium is to be controlled, the write management section controls the information inputting function or the information recording function using a control signal. An information signal is sent as information to the information recording medium by way of the information inputting section. When reproduction from the information recording medium is to be controlled, the write management section reads out, from among information recorded on the information recording medium, information of a type of the information itself or a reproduction condition. The information thus read out is sent as display information to and displayed on a display section.
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Gregory Bernarr E.
Kananen Ronald P.
Sony Corporation
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