Information management apparatus
First Claim
1. A recording/reproducing apparatus for recording a transmitted signal onto a recording medium and for reproducing the recorded signal from the recording medium, comprising:
- a recorder which records the transmitted signal by a recording/reproducing head onto a recording medium;
a reproducer which reproduces the recorded signal by a recording/reproducing head from the recording medium and outputs the reproduced signal; and
a disabling circuit which disables the signal recorded on the recording medium by a recording/reproducing head, wherein the transmitted signal is scrambled using key code and restricted to be copied, and said reproducer descrambles the reproduced signal using the key code and outputs the descrambled signal after adding information to restrict copying and said disabling circuit disables the signal which has been reproduced.
2 Assignments
0 Petitions
Accused Products
Abstract
An information management apparatus capable of reliable management of distributed information and an information providing system employing the same information management apparatus has a main information reproducing system for reproducing main information recorded in a given recording medium; and a reproduction management system for managing the main information reproducing system for reproducing the main information. A receiver is provided with a unit for recording distributed information and control information limiting the number of main information reproducing cycles on a recording medium, and a main information reproducing system provided with a reproduction disabling function for limiting the reproduction of main information.
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Citations
4 Claims
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1. A recording/reproducing apparatus for recording a transmitted signal onto a recording medium and for reproducing the recorded signal from the recording medium, comprising:
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a recorder which records the transmitted signal by a recording/reproducing head onto a recording medium;
a reproducer which reproduces the recorded signal by a recording/reproducing head from the recording medium and outputs the reproduced signal; and
a disabling circuit which disables the signal recorded on the recording medium by a recording/reproducing head, wherein the transmitted signal is scrambled using key code and restricted to be copied, and said reproducer descrambles the reproduced signal using the key code and outputs the descrambled signal after adding information to restrict copying and said disabling circuit disables the signal which has been reproduced. - View Dependent Claims (2, 3, 4)
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Specification