JPS57181454A - Reel speed servo device - Google Patents

Reel speed servo device

Info

Publication number
JPS57181454A
JPS57181454A JP56065647A JP6564781A JPS57181454A JP S57181454 A JPS57181454 A JP S57181454A JP 56065647 A JP56065647 A JP 56065647A JP 6564781 A JP6564781 A JP 6564781A JP S57181454 A JPS57181454 A JP S57181454A
Authority
JP
Japan
Prior art keywords
speed
reel
error
speed servo
servo device
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
JP56065647A
Other languages
Japanese (ja)
Other versions
JPH0213383B2 (en
Inventor
Kiyoshi Inatome
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.)
Sony Corp
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP56065647A priority Critical patent/JPS57181454A/en
Publication of JPS57181454A publication Critical patent/JPS57181454A/en
Publication of JPH0213383B2 publication Critical patent/JPH0213383B2/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
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/54—Controlling, regulating, or indicating speed by stroboscope; by tachometer

Landscapes

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

Abstract

PURPOSE:To always keep the rotating speed of a supply reel constant, by controlling the speed of a tape winding reel based on the speed of reel of tape supply. CONSTITUTION:A speed V1 of a tape supply side S reel 2 and a speed reference Vref are compared 14 to obtain an error V3 in a speed servo loop, and an error V3 is taken as a speed reference V3 and it is compared 15 with a speed V2 of a tape winding T reel 3 to obtain an error V8, which controls the speed of the reel 3 in another speed servo loop. As a result, the rotating speed of the reel 2 is always kept constant.
JP56065647A 1981-04-30 1981-04-30 Reel speed servo device Granted JPS57181454A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56065647A JPS57181454A (en) 1981-04-30 1981-04-30 Reel speed servo device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56065647A JPS57181454A (en) 1981-04-30 1981-04-30 Reel speed servo device

Publications (2)

Publication Number Publication Date
JPS57181454A true JPS57181454A (en) 1982-11-08
JPH0213383B2 JPH0213383B2 (en) 1990-04-04

Family

ID=13293001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56065647A Granted JPS57181454A (en) 1981-04-30 1981-04-30 Reel speed servo device

Country Status (1)

Country Link
JP (1) JPS57181454A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010099663A (en) * 2008-10-21 2010-05-06 Sumitomo Heavy Industries Techno-Fort Co Ltd Forging press, and knockout control method for forging press
JP2010099664A (en) * 2008-10-21 2010-05-06 Sumitomo Heavy Industries Techno-Fort Co Ltd Forging press, and knockout control method in forging press

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010099663A (en) * 2008-10-21 2010-05-06 Sumitomo Heavy Industries Techno-Fort Co Ltd Forging press, and knockout control method for forging press
JP2010099664A (en) * 2008-10-21 2010-05-06 Sumitomo Heavy Industries Techno-Fort Co Ltd Forging press, and knockout control method in forging press

Also Published As

Publication number Publication date
JPH0213383B2 (en) 1990-04-04

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