SE393208B - DEVICE FOR AVOIDING THE RECORDING AND READING OF INFORMATION ON DEFECTIVE AREAS - Google Patents

DEVICE FOR AVOIDING THE RECORDING AND READING OF INFORMATION ON DEFECTIVE AREAS

Info

Publication number
SE393208B
SE393208B SE7306179A SE7306179A SE393208B SE 393208 B SE393208 B SE 393208B SE 7306179 A SE7306179 A SE 7306179A SE 7306179 A SE7306179 A SE 7306179A SE 393208 B SE393208 B SE 393208B
Authority
SE
Sweden
Prior art keywords
avoiding
recording
reading
information
defective areas
Prior art date
Application number
SE7306179A
Other languages
Swedish (sv)
Inventor
D I Frush
Original Assignee
Ibm
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
Application filed by Ibm filed Critical Ibm
Publication of SE393208B publication Critical patent/SE393208B/en

Links

Classifications

    • 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
    • G11B20/1883Methods for assignment of alternate areas for defective areas
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
SE7306179A 1972-06-07 1973-05-03 DEVICE FOR AVOIDING THE RECORDING AND READING OF INFORMATION ON DEFECTIVE AREAS SE393208B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26068472A 1972-06-07 1972-06-07

Publications (1)

Publication Number Publication Date
SE393208B true SE393208B (en) 1977-05-02

Family

ID=22990179

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7306179A SE393208B (en) 1972-06-07 1973-05-03 DEVICE FOR AVOIDING THE RECORDING AND READING OF INFORMATION ON DEFECTIVE AREAS

Country Status (13)

Country Link
JP (1) JPS5751162B2 (en)
AU (1) AU475711B2 (en)
BE (1) BE799689A (en)
BR (1) BR7304237D0 (en)
CA (1) CA1020666A (en)
CH (1) CH561448A5 (en)
DE (1) DE2328025C3 (en)
DK (1) DK143580C (en)
FR (1) FR2188235B1 (en)
GB (1) GB1404541A (en)
IT (1) IT998117B (en)
NL (1) NL181533C (en)
SE (1) SE393208B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2073935B (en) * 1980-04-11 1983-12-21 Rca Corp Tape format to facilitate error concealment and apparatus for recording and/or replaying same
JPS6095654A (en) * 1983-10-28 1985-05-29 Sharp Corp Plural file managing system
JPS6297177A (en) * 1985-10-24 1987-05-06 Nec Corp Magnetic tape device
JPH0668886B2 (en) * 1986-11-10 1994-08-31 株式会社日立製作所 Defect avoidance control method for magnetic disk
DE3739161C2 (en) * 1987-11-19 2000-06-15 Grundig Ag Method for recording and reproducing information signals on and from a recording medium
JPH0719393B2 (en) * 1992-03-30 1995-03-06 株式会社日立製作所 Optical information processing method
WO1997007505A1 (en) * 1995-08-18 1997-02-27 Matsushita Electric Industrial Co., Ltd. Information recording/reproducing device and information recording/reproducing medium
US6301679B1 (en) 1999-10-28 2001-10-09 Seagate Technology Llc Sync byte padding

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2937368A (en) * 1956-12-12 1960-05-17 Bell Telephone Labor Inc Means for detecting marking and bypassing defective areas in a magnetic record medium
US3588855A (en) * 1968-10-14 1971-06-28 Ibm Data gap responding apparatus
JPS474054U (en) * 1971-01-28 1972-09-08

Also Published As

Publication number Publication date
DK143580C (en) 1982-01-25
DE2328025C3 (en) 1975-11-06
AU475711B2 (en) 1976-09-02
DE2328025A1 (en) 1973-12-20
FR2188235A1 (en) 1974-01-18
CA1020666A (en) 1977-11-08
DK143580B (en) 1981-09-07
DE2328025B2 (en) 1975-03-27
NL181533B (en) 1987-04-01
NL181533C (en) 1987-09-01
AU5620173A (en) 1974-11-28
GB1404541A (en) 1975-09-03
BR7304237D0 (en) 1974-07-25
BE799689A (en) 1973-09-17
CH561448A5 (en) 1975-04-30
JPS5751162B2 (en) 1982-10-30
IT998117B (en) 1976-01-20
JPS4952612A (en) 1974-05-22
FR2188235B1 (en) 1976-11-12
NL7307989A (en) 1973-12-11

Similar Documents

Publication Publication Date Title
SE414840B (en) DEVICE FOR RECORDING AND READING INFORMATION
SE394758B (en) DEVICE FOR MANAGING INFORMATION MEDIA
NO141673C (en) DEVICE FOR READING A PLAN RECORDING BEAR
SE7508723L (en) RECORDING METHOD AND THEREFORE USE RECORDING MEDIUM
NL177262C (en) TAPE RECORDING AND / OR PLAYING DEVICE.
AT354757B (en) CASSETTE RECORDING AND / OR PLAYBACK DEVICE
IT991970B (en) EQUIPMENT FOR RECORDING AND OR MAGNETIC REPRODUCTION
AT345354B (en) MAGNETIC RECORDING AND / OR PLAYBACK DEVICE
IT947460B (en) MAGNETIC APPARATUS FOR RECORDING AND OR REPRODUCTION
SE389215B (en) INFORMATION PLAYBACK DEVICE
SE395783B (en) DEVICE FOR READING A DISC SHAPED RECORDER
NL180054C (en) TAPE RECORDING AND / OR PLAYING DEVICE.
IT999494B (en) AND OR REPRODUCTION MAGNETIC RECORDING APPARATUS
SE393208B (en) DEVICE FOR AVOIDING THE RECORDING AND READING OF INFORMATION ON DEFECTIVE AREAS
NL177360C (en) TAPE RECORDING AND / OR PLAYING DEVICE.
AR202524A1 (en) SECURITY DEVICE FOR READING AND RECORDING DEVICES
SE392538B (en) SOUND RECORDING AND PLAYBACK DEVICE
SE386757B (en) PROCEDURE AND DEVICE FOR PREPARING A READABLE MARK ON THE MIRROR PART OF A DISC SHAPED INFORMATION CARRIER
SE398014B (en) PROCEDURE FOR READING REGISTERED INFORMATION AND DEVICE FOR PERFORMING THE PROCEDURE ON A REGISTRATION MEDIUM
SE392072B (en) DATA RECORDING DEVICE
NO139538C (en) APPARATUS FOR RECORDING AND PLAYING INFORMATION
AT317314B (en) Recording and reproducing device
NL7614450A (en) ROTATABLE RECORDING MEDIA FOR RECORDING AND DISPLAYING SIGNAL INFORMATION.
NL186056C (en) MAGNETIC TAPE RECORDING AND DISPLAY DEVICE.
IT947823B (en) PROCEDURE AND EQUIPMENT FOR RECORDING INFORMATION ON PHONOGRAPH RECORDS