JPS57183652A - Tension controller - Google Patents

Tension controller

Info

Publication number
JPS57183652A
JPS57183652A JP56068251A JP6825181A JPS57183652A JP S57183652 A JPS57183652 A JP S57183652A JP 56068251 A JP56068251 A JP 56068251A JP 6825181 A JP6825181 A JP 6825181A JP S57183652 A JPS57183652 A JP S57183652A
Authority
JP
Japan
Prior art keywords
tape
tension
decrease
receives
resistance
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
JP56068251A
Other languages
Japanese (ja)
Other versions
JPH0454304B2 (en
Inventor
Nobutoshi Mizusawa
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP56068251A priority Critical patent/JPS57183652A/en
Publication of JPS57183652A publication Critical patent/JPS57183652A/en
Publication of JPH0454304B2 publication Critical patent/JPH0454304B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G11B15/43—Control or regulation of mechanical tension of record carrier, e.g. tape tension

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

PURPOSE:To exercise control accurately over the tension of a tape with a simple constitution, by setting the distortion gauges at both sides of an elastic detecting arm that has an elastic deformation due to the tension fluctuation of the tape. CONSTITUTION:When the tension of a tape 3 is appropriate, the balance is kept between the resistance values 14 and 14' of distortion gauges 14 and 14' and a bridge consisting of fixed resistances 22 and 23. Under such conditions, if the tension of the tape 3 increases due to the uneven winding of a reel 1, a post 7 receives the force to cause a deformation to a detecting arm 12 fixed to a support plate 13. Thus the gauge 14 receives the tensile charge at the side of a reel table 1 to decrease the resistance value, and the resistance of the opposite gauge 14' decreases. As a result, the potentional difference is caused between lead wires 15 and 16. The output of the potential difference is supplied to a servo amplifier 21 via a differential amplifier 19 and a filter 20. Thus the torque of a motor 10 is reduced to decrease the tension of the tape 3. On the contrary, the tension of the tape 3 increases by the reversed operation in case the tension of the tape 3 decreased. In such a way, the tension of the tape 3 can be accurately controlled with a simple structure.
JP56068251A 1981-05-08 1981-05-08 Tension controller Granted JPS57183652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56068251A JPS57183652A (en) 1981-05-08 1981-05-08 Tension controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56068251A JPS57183652A (en) 1981-05-08 1981-05-08 Tension controller

Publications (2)

Publication Number Publication Date
JPS57183652A true JPS57183652A (en) 1982-11-12
JPH0454304B2 JPH0454304B2 (en) 1992-08-31

Family

ID=13368345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56068251A Granted JPS57183652A (en) 1981-05-08 1981-05-08 Tension controller

Country Status (1)

Country Link
JP (1) JPS57183652A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6082743U (en) * 1983-11-15 1985-06-07 オリンパス光学工業株式会社 Magnetic tape tension detection device
JP2008155663A (en) * 2006-12-20 2008-07-10 Tokyo Metropolitan Univ Tension adjusting device and space structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6082743U (en) * 1983-11-15 1985-06-07 オリンパス光学工業株式会社 Magnetic tape tension detection device
JPH0345303Y2 (en) * 1983-11-15 1991-09-25
JP2008155663A (en) * 2006-12-20 2008-07-10 Tokyo Metropolitan Univ Tension adjusting device and space structure

Also Published As

Publication number Publication date
JPH0454304B2 (en) 1992-08-31

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