Patent Number: 6,338,139

Title: Information reproducing apparatus, authenticating apparatus, andinformation processing system

Abstract: In this invention, an information recording/reproducing apparatus has anauthentication function and directly transfers information to an MPEGboard, sub-picture run-length board, speech coding/decoding board withoutusing a main CPU. Thus, information transfer between the informationrecording/reproducing apparatus and various processing boards can beperformed without using a main controller, the load of the main CPU can bealleviated and the main CPU can perform another process during theinformation transfer period.

Inventors: Ando; Hideo (Tokyo, JP), Nakagawa; Masaki (Zama, JP), Ishizawa; Yoshiyuki (Yokohama, JP), Kojima; Tadashi (Yokohama, JP)


International Classification: G11B 20/00 (20060101); H04N 9/804 (20060101); H04N 9/806 (20060101); H04N 9/82 (20060101); H04N 7/16 (20060101); H04N 5/84 (20060101); H04N 5/85 (20060101); G06F 011/30 ()

Expiration Date: 01/08/2014