公开(公告)号：DE69630060D1

公开(公告)日：2003-10-23

申请号：DE69630060

申请日：1996-07-12

Applicant: SONY CORP

Inventor： SAKO YOICHIRO ,  OSAWA YOSHIMOTO ,  KURIHARA AKIRA ,  KAWASHIMA ISAO ,  OWA HIDEO

IPC: G06F1/00 ,  G11B20/00 ,  G11B20/18

Abstract: A data transmitting apparatus, which disallows encryption to be easily decoded and enhances the secrecy of key information, includes an error correction coding process block (13). In the block (13), an input converting circuit (14) performs a logic operation with respect to information data from an interface circuit (12) according to key data. The converted information data is sent to an encoder (15) for generating parity data. The parity data is mixed (16) with the information data before conversion. The error correction coding block (13) sends the resulting data to a modulating circuit (17) for modulating the data. The modulated data is recorded on a disk record medium (20).

公开(公告)号：DE69630060T2

公开(公告)日：2004-07-08

申请号：DE69630060

申请日：1996-07-12

Applicant: SONY CORP

Inventor： SAKO YOICHIRO ,  OSAWA YOSHIMOTO ,  KURIHARA AKIRA ,  KAWASHIMA ISAO ,  OWA HIDEO

IPC: G06F1/00 ,  G11B20/00 ,  G11B20/18

Abstract: A data transmitting apparatus, which disallows encryption to be easily decoded and enhances the secrecy of key information, includes an error correction coding process block (13). In the block (13), an input converting circuit (14) performs a logic operation with respect to information data from an interface circuit (12) according to key data. The converted information data is sent to an encoder (15) for generating parity data. The parity data is mixed (16) with the information data before conversion. The error correction coding block (13) sends the resulting data to a modulating circuit (17) for modulating the data. The modulated data is recorded on a disk record medium (20).