GB9720208D0 - Controller circuit apparatus for cd-rom drives - Google Patents

Controller circuit apparatus for cd-rom drives

Info

Publication number
GB9720208D0
GB9720208D0 GBGB9720208.9A GB9720208A GB9720208D0 GB 9720208 D0 GB9720208 D0 GB 9720208D0 GB 9720208 A GB9720208 A GB 9720208A GB 9720208 D0 GB9720208 D0 GB 9720208D0
Authority
GB
United Kingdom
Prior art keywords
controller circuit
circuit apparatus
rom drives
rom
drives
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB9720208.9A
Other versions
GB2329508B (en
GB2329508A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
United Microelectronics Corp
Original Assignee
United Microelectronics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from TW086109100A external-priority patent/TW334533B/en
Application filed by United Microelectronics Corp filed Critical United Microelectronics Corp
Priority to GB9720208A priority Critical patent/GB2329508B/en
Priority to FR9712550A priority patent/FR2765360B1/en
Priority to JP27780797A priority patent/JP3316512B2/en
Priority to DE19747888A priority patent/DE19747888B4/en
Publication of GB9720208D0 publication Critical patent/GB9720208D0/en
Publication of GB2329508A publication Critical patent/GB2329508A/en
Application granted granted Critical
Publication of GB2329508B publication Critical patent/GB2329508B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13Linear codes
    • H03M13/15Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • H03M13/151Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
GB9720208A 1997-06-28 1997-09-23 Controller circuit apparatus for cd-rom drives Expired - Fee Related GB2329508B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9720208A GB2329508B (en) 1997-06-28 1997-09-23 Controller circuit apparatus for cd-rom drives
FR9712550A FR2765360B1 (en) 1997-06-28 1997-10-08 CONTROL DEVICE FOR CD-ROM DRIVES
JP27780797A JP3316512B2 (en) 1997-06-28 1997-10-09 Control circuit for CD-ROM drive
DE19747888A DE19747888B4 (en) 1997-06-28 1997-10-30 Control circuit device for CD-ROM drives

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW086109100A TW334533B (en) 1997-06-28 1997-06-28 The control circuit apparatus for CD-ROM optical disk driver
GB9720208A GB2329508B (en) 1997-06-28 1997-09-23 Controller circuit apparatus for cd-rom drives

Publications (3)

Publication Number Publication Date
GB9720208D0 true GB9720208D0 (en) 1997-11-26
GB2329508A GB2329508A (en) 1999-03-24
GB2329508B GB2329508B (en) 2000-01-12

Family

ID=26312299

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9720208A Expired - Fee Related GB2329508B (en) 1997-06-28 1997-09-23 Controller circuit apparatus for cd-rom drives

Country Status (4)

Country Link
JP (1) JP3316512B2 (en)
DE (1) DE19747888B4 (en)
FR (1) FR2765360B1 (en)
GB (1) GB2329508B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW512320B (en) * 1999-09-10 2002-12-01 Matsushita Electric Ind Co Ltd Signal processing device
JP4614732B2 (en) * 2004-10-22 2011-01-19 パナソニック株式会社 Decoding device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2156555B (en) * 1984-03-24 1988-03-09 Philips Nv Error correction of data symbols
US4866717A (en) * 1986-07-29 1989-09-12 Matsushita Electric Industrial Co., Ltd. Code error detecting and correcting apparatus
JP3259323B2 (en) * 1992-04-13 2002-02-25 ソニー株式会社 De-interleave circuit
JPH05303539A (en) * 1992-04-24 1993-11-16 Nec Corp Disk controller
JP3242148B2 (en) * 1992-05-29 2001-12-25 パイオニア株式会社 Error correction method
JPH087498A (en) * 1994-06-17 1996-01-12 Hitachi Ltd Recording information reproducing device
US5627843A (en) * 1995-02-23 1997-05-06 Seagate Technology, Inc. Correcting up to two disc drive read errors and detecting the occurrence of more than two read errors
JP3951317B2 (en) * 1995-09-28 2007-08-01 ソニー株式会社 Apparatus and method for data recording / reproduction
JPH09312060A (en) * 1996-05-21 1997-12-02 Matsushita Electric Ind Co Ltd Data reproducing device
KR100195015B1 (en) * 1996-06-21 1999-06-15 윤종용 Memory Controls and Methods

Also Published As

Publication number Publication date
GB2329508B (en) 2000-01-12
JPH1125615A (en) 1999-01-29
FR2765360A1 (en) 1998-12-31
FR2765360B1 (en) 1999-10-22
DE19747888B4 (en) 2007-10-11
GB2329508A (en) 1999-03-24
JP3316512B2 (en) 2002-08-19
DE19747888A1 (en) 1999-01-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140923