CA1002186A - Magnetic recording and reproducing system - Google Patents

Magnetic recording and reproducing system

Info

Publication number
CA1002186A
CA1002186A CA177,729A CA177729A CA1002186A CA 1002186 A CA1002186 A CA 1002186A CA 177729 A CA177729 A CA 177729A CA 1002186 A CA1002186 A CA 1002186A
Authority
CA
Canada
Prior art keywords
magnetic recording
reproducing system
reproducing
recording
magnetic
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.)
Expired
Application number
CA177,729A
Other versions
CA177729S (en
Inventor
Tokuji Suga
Toshio Katagiri
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP9136472U external-priority patent/JPS532566Y2/ja
Priority claimed from JP9136572U external-priority patent/JPS4948412U/ja
Priority claimed from JP9290672U external-priority patent/JPS532567Y2/ja
Priority claimed from JP47092679A external-priority patent/JPS4950908A/ja
Priority claimed from JP2237073U external-priority patent/JPS5251772Y2/ja
Priority claimed from JP2236973U external-priority patent/JPS49125719U/ja
Priority claimed from JP48051876A external-priority patent/JPS5821342B2/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA1002186A publication Critical patent/CA1002186A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/52—Controlling, regulating, or indicating speed by using signals recorded on, or derived from, record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
    • 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
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
CA177,729A 1972-08-02 1973-07-31 Magnetic recording and reproducing system Expired CA1002186A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP9136472U JPS532566Y2 (en) 1972-08-02 1972-08-02
JP9136572U JPS4948412U (en) 1972-08-02 1972-08-02
JP9290672U JPS532567Y2 (en) 1972-08-07 1972-08-07
JP47092679A JPS4950908A (en) 1972-09-13 1972-09-13
JP2237073U JPS5251772Y2 (en) 1973-02-20 1973-02-20
JP2236973U JPS49125719U (en) 1973-02-20 1973-02-20
JP48051876A JPS5821342B2 (en) 1973-05-09 1973-05-09 Tape cloth

Publications (1)

Publication Number Publication Date
CA1002186A true CA1002186A (en) 1976-12-21

Family

ID=27563971

Family Applications (1)

Application Number Title Priority Date Filing Date
CA177,729A Expired CA1002186A (en) 1972-08-02 1973-07-31 Magnetic recording and reproducing system

Country Status (2)

Country Link
CA (1) CA1002186A (en)
GB (1) GB1422206A (en)

Also Published As

Publication number Publication date
DE2339068A1 (en) 1974-02-14
DE2339068B2 (en) 1976-11-04
GB1422206A (en) 1976-01-21

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