公开(公告)号：MY105141A

公开(公告)日：1994-08-30

申请号：MYPI19891410

申请日：1989-10-13

Applicant: SONY CORP

Inventor： SHIGERU YOKONO ,  MINORU TOBITA

IPC: H03M13/00 ,  G11B20/12 ,  G11B20/18

Abstract: A METHOD OF AND APPARATUS FOR RECORDING DATA ONTO A DISC-SHAPED RECORDING MEDIUM HAVING A SECTOR CONSTRUCTION SUCH AS AN OPTICAL DISC INCREASES THE INTERLEAVE LENGTH OF RECORDED DATA TO COPE WITH BURST ERROR OR THE LIKE BY DIVIDING INPUT DATA INTO PREDETERMINED LENGTHS, RESPECTIVELY TWO-DIMENSIONALLY ARRANGING THE DIVIDED DATA, GENERATING AND ADDING ERROR CORRECTION TO THE TWO-DIMENSIONALLY ARRANGED DATA BY A PREDETERMINED SERIES TO THEREBY FORM N ENCODED BLOCKS ; CHANGING THE DATA ARRANGEMENT AMONG THE N ENCODED BLOCKS; AND DISTRIBUTING AND RECORDING THE CHANGED DATA TO EACH SECTOR ON THE DISC-SHAPED RECORDING MEDIUM. (FIG. 1)

公开(公告)号：MY109893A

公开(公告)日：1997-09-30

申请号：MYPI19932260

申请日：1993-10-28

Applicant: SONY CORP

Inventor： MINORU TOBITA ,  GORO FUJITA

IPC: G11B20/10 ,  G11B7/005 ,  G11B20/18

Abstract: IN AN OPTICAL INFORMATION RECORDING OR REPRODUCING APPARATUS, AN ASYMMETRY DETECTION CIRCUIT DETECTS ASYMMETRY VALUES FROM DIGITAL RF SIGNALS REPRODUCED FROM THE REFERENCE AREA OF AN OPTICAL DISK ACCORDING TO A TIMING SIGNAL GENERATED BY A TIMING SIGNAL GENERATOR. THE DIGITAL RF SIGNALS ARE DEMODULATED BY THE VITERBI ALGORITHM BY A VITERBIDETECTION CIRCUIT ON THE BASIS OF ASYMMETRY VALUES DETECTED BY AN ASYMMETRY DETECTION CIRCUIT. (FIG. 1)

公开(公告)号：MY114199A

公开(公告)日：2002-08-30

申请号：MYPI19953011

申请日：1995-10-07

Applicant: SONY CORP

Inventor： MINORU TOBITA ,  SATOSHI OTSUKA ,  TAMOTSU YAMAGAMI ,  GORO FUJITA

IPC: G11B7/24

Abstract: AN OPTICAL DISC HAVING A PLURALITY OF SUBSTANTIALLY CONCENTRICALLY EXTENDING TRACKS HAS A PLURALITY OF SEGMENTS EACH INCLUDING A SERVO AREA ARS AND A DATA AREA ARD. IN THE SERVO AREA ARS, HAVING SERVO PITS REPRESENTING THE SERVO INFORMATION TO THE DISC DRIVE, THERE ARE RECORDED DISCRIMINATION MARKS SGM, ADM, STM1 AND STM2. THESE DISCRIMINATION MARKS SGM, ADM, STM1 AND STM2 AFFORD THE SEGMENT-DISCRIMINATING INFORMATION DEPENDING ON THE RECORDING POSITION IN THE SERVO AREA ARS.(FIG. 1)

公开(公告)号：MY112926A

公开(公告)日：2001-10-31

申请号：MYPI19952689

申请日：1995-09-11

Applicant: SONY CORP

Inventor： MINORU TOBITA ,  SATOSHI OTSUKA ,  YOICHIRO SAKO ,  TAMOTSU YAMAGAMI

IPC: G11B20/18 ,  G11B7/007 ,  G11B20/12 ,  G11B27/19 ,  G11B27/30

Abstract: METHOD OF RECORDING ON A RECORD MEDIUM BY RECEIVING A SERIES OF DATA ELEMENTS, ADDING ERROR DETECTION AND ERROR CORRECTION DATA TO EACH DATA ELEMENT, MOVING SOME OF THE DATA IN EACH DATA ELEMENT TO AN ADJACENT DATA ELEMENT TO PRODUCE ARRANGE DATA ELEMENTS, AND RECORDING THE ARRANGED DATA ELEMENTS IN DIFFERENT SECTORS ON A RECORD MEDIUM. UPON REPRODUCTION OF THE ARRANGED DATA ELEMENTS FROM A RECORD MEDIUM, SOME OF THE DATA IN EACH ARRANGED DATA ELEMENT ARE MOVED TO AN ADJACENT DATA ELEMENT TO PRODUCE REARRANGED DATA ELEMENTS. ERRORS IN EACH REARRANGED DATA ELEMENT ARE DETECTED AND CORRECTED USING DATA CONTAINED THEREIN. A RECORD MEDIUM HAVING CONCENTRIC TRACKS ON WHICH A PLURALITY OF SECTORS ARE LOCATED STORES DATA IN EACH OF THE SECTORS. THE DATA IN EACH SECTOR PERTAINS TO TWO DIFFERENT SECTORS SO THAT THE AFFECT OF A BURST ERROR ON A PARTICULAR SECTOR IS MINIMIZED.