JPS534517A - Information recording method - Google Patents

Information recording method

Info

Publication number
JPS534517A
JPS534517A JP7780876A JP7780876A JPS534517A JP S534517 A JPS534517 A JP S534517A JP 7780876 A JP7780876 A JP 7780876A JP 7780876 A JP7780876 A JP 7780876A JP S534517 A JPS534517 A JP S534517A
Authority
JP
Japan
Prior art keywords
information recording
recording method
records
forgotten
missing
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.)
Pending
Application number
JP7780876A
Other languages
Japanese (ja)
Inventor
Kenichi Kageura
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7780876A priority Critical patent/JPS534517A/en
Publication of JPS534517A publication Critical patent/JPS534517A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)

Abstract

PURPOSE:To correctly detect the missing AM of all records to prevent the reading operation of the records from being forgotten by writing the final record number immediately after the index portion which indicates the starting point of the track.
JP7780876A 1976-07-02 1976-07-02 Information recording method Pending JPS534517A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7780876A JPS534517A (en) 1976-07-02 1976-07-02 Information recording method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7780876A JPS534517A (en) 1976-07-02 1976-07-02 Information recording method

Publications (1)

Publication Number Publication Date
JPS534517A true JPS534517A (en) 1978-01-17

Family

ID=13644308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7780876A Pending JPS534517A (en) 1976-07-02 1976-07-02 Information recording method

Country Status (1)

Country Link
JP (1) JPS534517A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095654A (en) * 1983-10-28 1985-05-29 Sharp Corp Plural file managing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095654A (en) * 1983-10-28 1985-05-29 Sharp Corp Plural file managing system
JPH0355849B2 (en) * 1983-10-28 1991-08-26

Similar Documents

Publication Publication Date Title
CA1033834A (en) Data record tracking using track identifying information in the gaps between recorded data groups
IT7829878A0 (en) SELF-STAINING PLATFORM INCLUDING AT LEAST ONE MAGNETIC TRANSDUCER FOR READING/WRITING OF AN INFORMATION MEDIA.
ES8200961A1 (en) Record carrier containing information in an optically readable information structure, as well as apparatus for reading said carrier.
NL7810483A (en) METHOD, SYSTEM AND DEVICE FOR READING, FOR EXAMPLE OPTICAL READING, OF INFORMATION RECORDED ON A MAGNETIC RECORDING MEDIUM.
IT1206372B (en) METHOD OF WRITING INFORMATION RELATING TO THE DEFECTS OF A MAGNETIC RECORDING MEDIA.
NL7901421A (en) DEVICE FOR READING INFORMATION SIGNALS RECORDED IN SUCCESSIVE BALANCED TRACKS ON A RECORDING MEDIUM.
DK137355B (en) Apparatus for reading a record carrier on which information is recorded in an optically readable structure.
GB1525292A (en) Identification of records
NL7712557A (en) NEEDLE FOR DISPLAYING INFORMATION SIGNALS RECORDED ON A RECORDING MEDIA
GB1548658A (en) System for reading out a record by the point optical scannning of a diffractive track
CH612781A5 (en) Recording carrier having an information structure which can be optically read out and is arranged along tracks, and apparatus for reading out the same
DK138866B (en) Apparatus for reading a record carrier on which information is recorded in an optically readable structure.
DK135558B (en) Apparatus for reading a record carrier on which information is recorded in at least one track.
CH613545A5 (en) Method of recording and making use of tachographic recordings
JPS534517A (en) Information recording method
JPS5280007A (en) Video disc
JPS53133415A (en) Magnetic recording device
JPS5227651A (en) Reading method of hologram information
JPS52123205A (en) Video-signal recording and reproducing system
JPS53100214A (en) Magnetic recording system
JPS51123618A (en) A magnetic disk memory unit
ATA505877A (en) DEVICE FOR RECORDING AN INFORMATION SIGNAL SHARE IN A FOLLOWING, PARALLEL TRACKS ON A RECORDING CARRIER ON A RECORDING CARRIER
JPS5223308A (en) Data recording medium manufacturing process
JPS5250131A (en) Information recording system
JPS5215307A (en) Data reader