FR2493577B1 - Circuit numerique de commande, en boucle fermee, de la tension de la bande pour des enregistreurs a bande et analogues - Google Patents

Circuit numerique de commande, en boucle fermee, de la tension de la bande pour des enregistreurs a bande et analogues

Info

Publication number
FR2493577B1
FR2493577B1 FR8120213A FR8120213A FR2493577B1 FR 2493577 B1 FR2493577 B1 FR 2493577B1 FR 8120213 A FR8120213 A FR 8120213A FR 8120213 A FR8120213 A FR 8120213A FR 2493577 B1 FR2493577 B1 FR 2493577B1
Authority
FR
France
Prior art keywords
tape
control circuit
closed loop
digital control
voltage
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
FR8120213A
Other languages
English (en)
Other versions
FR2493577A1 (fr
Inventor
David C O'gwynn
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.)
Ampex Corp
Original Assignee
Ampex 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 Ampex Corp filed Critical Ampex Corp
Publication of FR2493577A1 publication Critical patent/FR2493577A1/fr
Application granted granted Critical
Publication of FR2493577B1 publication Critical patent/FR2493577B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
    • 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
FR8120213A 1980-10-30 1981-10-28 Circuit numerique de commande, en boucle fermee, de la tension de la bande pour des enregistreurs a bande et analogues Expired FR2493577B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/202,210 US4401923A (en) 1980-10-30 1980-10-30 Digital open loop tape tension control circuit for tape recorders and the like

Publications (2)

Publication Number Publication Date
FR2493577A1 FR2493577A1 (fr) 1982-05-07
FR2493577B1 true FR2493577B1 (fr) 1986-04-11

Family

ID=22748913

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8120213A Expired FR2493577B1 (fr) 1980-10-30 1981-10-28 Circuit numerique de commande, en boucle fermee, de la tension de la bande pour des enregistreurs a bande et analogues

Country Status (6)

Country Link
US (1) US4401923A (fr)
JP (1) JPS57103153A (fr)
DE (1) DE3143158C2 (fr)
FR (1) FR2493577B1 (fr)
GB (1) GB2087104B (fr)
HK (1) HK50189A (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3151932A1 (de) * 1981-12-30 1983-07-07 Agfa-Gevaert Ag, 5090 Leverkusen Einrichtung zum transportieren eines bandfoermigen kopiermaterials
US4472667A (en) * 1983-08-15 1984-09-18 Burroughs Corporation D.C. Servo motor speed regulator
US4788558A (en) * 1987-02-06 1988-11-29 Intermec Corporation Method and apparatus for controlling tension in tape progressed along a feed path
JPS63224063A (ja) * 1987-03-13 1988-09-19 Sony Corp テ−プロ−デイング装置
US4807107A (en) * 1987-08-25 1989-02-21 Ampex Corporation Apparatus for providing a profiled tape tension without utilizing a tape pack diameter sensor
US4804898A (en) * 1988-02-22 1989-02-14 Rapid-Air Corporation Stock feed apparatus
US4866354A (en) * 1988-04-25 1989-09-12 Refrigeration Engineering Corporation Spiral freezer drive system
US5222684A (en) * 1990-03-19 1993-06-29 Matsushita Electric Industrial Co., Ltd. Tape driving apparatus for tape medium record reproducing apparatus
DE69114739T2 (de) * 1990-03-19 1996-06-05 Matsushita Electric Ind Co Ltd Bandantriebsgerät für Bandaufnahme-Wiedergabegerät.
KR100352020B1 (ko) * 1999-11-12 2002-09-11 김성웅 오픈 루프 자동 장력 제어장치
EP2298567B1 (fr) 2000-09-11 2015-07-22 Videojet Technologies, Inc. Imprimante à transfert thermique avec dispositif d'entraînement de bande et méthode pour la contrôler
US8143550B2 (en) * 2005-06-21 2012-03-27 International Advanced Research Centre For Powder Metallurgy And New Materials (Arci) Device for controlling the on and off time of the metal oxide semiconductor field effect transistor (MOSFET), a device spark coating the surfaces of metal workpiece incorporating the said control device and a method of coating metal surfaces using the said device
GB2448302B (en) 2007-03-07 2009-04-08 Zipher Ltd Tape drive
GB2448301B (en) * 2007-03-07 2009-03-11 Zipher Ltd Tape drive
WO2008119927A1 (fr) 2007-03-31 2008-10-09 Zipher Limited Dérouleur de bande
US8733685B2 (en) 2010-10-25 2014-05-27 The Procter & Gamble Company Apparatus for reducing web feed rate variations induced by parent roll geometry variations
US8757535B2 (en) 2010-10-25 2014-06-24 The Procter & Gamble Company Method for reducing web feed rate variations induced by parent roll geometry variations
US8740130B2 (en) 2010-10-25 2014-06-03 The Procter & Gamble Company Alternative method for reducing web feed rate variations induced by parent roll geometry variations
US9434572B2 (en) 2010-10-25 2016-09-06 The Procter & Gamble Company Alternative method for reducing web feed rate variations induced by parent roll geometry variations
US9434573B2 (en) 2010-10-25 2016-09-06 The Procter & Gamble Company Alternative method for reducing web feed rate variations induced by parent roll geometry variations
US8733687B2 (en) 2010-10-25 2014-05-27 The Procter & Gamble Company Alternative apparatus for reducing web feed rate variations induced by parent roll geometry variations
US8733686B2 (en) 2010-10-25 2014-05-27 The Procter & Gamble Company Alternative apparatus for reducing web feed rate variations induced by parent roll geometry variations

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061228A (en) * 1961-03-14 1962-10-30 Eaton Mfg Co Tension control apparatus
US3411055A (en) * 1965-07-06 1968-11-12 Westinghouse Electric Corp Apparatus for operating as a function of the changing diameter of a rotating roll of traveling strip material
BE769223A (fr) * 1970-07-09 1971-11-03 Burroughs Corp Installation d'entrainement de bande magnetique
GB1377393A (en) * 1971-03-29 1974-12-18 Rca Corp Recording web tension control
US3849661A (en) * 1972-06-12 1974-11-19 Honeywell Inc Tape transport control system
GB1424363A (en) * 1973-05-02 1976-02-11 Burroughs Corp Tape transport system
GB1498043A (en) * 1974-03-14 1978-01-18 Rca Corp Tape tension control servomechanism
DE2461717A1 (de) * 1974-12-28 1976-07-08 Braun Ag Fotoelektrische regelung eines wickeldorns
US4015799A (en) * 1975-11-14 1977-04-05 International Business Machines Corporation Adaptive reel-to-reel tape control system
GB1500094A (en) * 1976-04-07 1978-02-08 Burroughs Corp Apparatus and method for controlling a tape drive to maintain a substantially constant linear tape velocity
JPS53135309A (en) * 1977-04-30 1978-11-25 Sony Corp Reel controller

Also Published As

Publication number Publication date
GB2087104A (en) 1982-05-19
DE3143158A1 (de) 1982-06-03
HK50189A (en) 1989-06-30
GB2087104B (en) 1984-10-10
DE3143158C2 (de) 1985-09-05
JPS57103153A (en) 1982-06-26
FR2493577A1 (fr) 1982-05-07
US4401923A (en) 1983-08-30

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