Patent ID: 7327935
Filing Date: 2008-02-05
Classification: G11B,H04N

Abstract:
1. An information copying system, comprising: a first information recording apparatus; and a second information recording apparatus, the first information recording apparatus comprising the second information recording apparatus comprising wherein the limited number-of-times of copying information setting unit provided in the first information recording apparatus sets the limited number-of-times of copying information N (N is a natural number of 1 or more) with respect to the electronic data, the first limited number-of-times of copying information updating unit updates the limited number-of-times of copying information to the number of-times of M (M is an integer of 0 or more and N−1 or less) by performing a subtraction, the second limited number-of-times of copying information updating unit provided in the second information recording apparatus updates the limited number-of-times of copying information that is not 0 to the number-of-times of R (R is an integer of 0 or more and M−1 or less) when the limited number-of-times of copying information set with respect to the read electronic data is not 0, and updates the limited number-of-times of copying information set with respect to the electronic data recorded in the second information recording medium from the number-of-times of M to the number-of-times of (M−(R+1)) when the limited number-of-times of copying information set with respect to the read electronic data is updated to the number-of-times of R.