IT977115B - Dispositivo per rivelare la quantita di nastro avvolta su una bobina ad esempio nastro magnetico in bobine per calcolatori elettro nici - Google Patents

Dispositivo per rivelare la quantita di nastro avvolta su una bobina ad esempio nastro magnetico in bobine per calcolatori elettro nici

Info

Publication number
IT977115B
IT977115B IT47991/73A IT4799173A IT977115B IT 977115 B IT977115 B IT 977115B IT 47991/73 A IT47991/73 A IT 47991/73A IT 4799173 A IT4799173 A IT 4799173A IT 977115 B IT977115 B IT 977115B
Authority
IT
Italy
Prior art keywords
tape
reels
reel
detecting
winded
Prior art date
Application number
IT47991/73A
Other languages
English (en)
Original Assignee
Ampex
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 filed Critical Ampex
Application granted granted Critical
Publication of IT977115B publication Critical patent/IT977115B/it

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
    • 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
IT47991/73A 1972-03-15 1973-01-31 Dispositivo per rivelare la quantita di nastro avvolta su una bobina ad esempio nastro magnetico in bobine per calcolatori elettro nici IT977115B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00234758A US3834648A (en) 1972-03-15 1972-03-15 Apparatus and method for sensing diameter of tape pack on storage reel

Publications (1)

Publication Number Publication Date
IT977115B true IT977115B (it) 1974-09-10

Family

ID=22882696

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47991/73A IT977115B (it) 1972-03-15 1973-01-31 Dispositivo per rivelare la quantita di nastro avvolta su una bobina ad esempio nastro magnetico in bobine per calcolatori elettro nici

Country Status (7)

Country Link
US (1) US3834648A (it)
JP (1) JPS527333B2 (it)
CA (1) CA972845A (it)
DE (1) DE2313024C3 (it)
FR (1) FR2176356A5 (it)
GB (1) GB1417311A (it)
IT (1) IT977115B (it)

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US3898436A (en) * 1974-03-22 1975-08-05 Armco Steel Corp Coil diameter control system
US3941178A (en) * 1974-04-19 1976-03-02 El-Trol, Inc. Apparatus and method for displaying the measurement of a tire
JPS5752301B2 (it) * 1974-06-01 1982-11-06
US3936008A (en) * 1974-07-01 1976-02-03 Harris Corporation Reel stand tension control system
US3921220A (en) * 1974-07-15 1975-11-18 Odetics Inc Apparatus for automatic high speed positioning of magnetic recording tape by sensing reel revolutions from tape beginning
GB1500699A (en) * 1974-09-09 1978-02-08 Molins Ltd Speed sensing devices
US3953713A (en) * 1974-11-04 1976-04-27 Westvaco Corporation Reel diameter discriminator
US4001552A (en) * 1975-04-04 1977-01-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and apparatus for measuring web material wound on a reel
US4044233A (en) * 1975-06-05 1977-08-23 Olympus Optical Co., Ltd. End predictor for cassette tape
US4015799A (en) * 1975-11-14 1977-04-05 International Business Machines Corporation Adaptive reel-to-reel tape control system
USRE30939E (en) * 1976-07-05 1982-05-18 Staar S.A. Transfer of a flexible web member from supply reel to a take-up reel
FR2411151A2 (fr) * 1977-05-31 1979-07-06 Staar Sa Procede d'identification automatique du type de cassette introduit dans un appareil destine au transfert d'une bande entre deux bobines contenues dans cette cassette
BE855968A (fr) * 1976-07-05 1977-10-17 Staar Sa Procede et dispositif de controle et de commande du transfert d'une matiere d'une bobine debitrice sur une bobine receptrice
US4366371A (en) * 1977-12-09 1982-12-28 Alayer De Costemore D Arc Step Method and apparatus for controlling tape transport apparatus for cassettes
JPS588068B2 (ja) * 1976-09-27 1983-02-14 松下電器産業株式会社 テ−プ残量表示装置
JPS53125505U (it) * 1977-03-15 1978-10-05
GB1602444A (en) * 1977-04-18 1981-11-11 Sangamo Weston Tape recorder control
US4156933A (en) * 1977-07-28 1979-05-29 Pandres Dave Jr Ratio preserving control system
JPS6035742B2 (ja) * 1977-07-29 1985-08-16 日本電気株式会社 リ−ルモ−タの制御方式
JPS5815876B2 (ja) * 1977-09-30 1983-03-28 オリンパス光学工業株式会社 テ−プレコ−ダのテ−プ走行方向およびテ−プ残量表示方式
US4151403A (en) * 1977-10-05 1979-04-24 Molins Machine Company, Inc. Control system for an unwinding roll
JPS5466123A (en) * 1977-11-05 1979-05-28 Canon Inc Film drive device for camera
US4411008A (en) * 1977-12-09 1983-10-18 Staar S. A. Method and apparatus for controlling tape transport apparatus in search sequence
JPS6019574B2 (ja) * 1978-02-24 1985-05-16 カシオ計算機株式会社 テ−プ走行停止検出装置
NL7909146A (nl) * 1978-12-27 1980-07-01 Staar Sa Automatische correctiewerkwijze voor het soort cassette gebruikt in een registratie- of weergave-inrichting.
JPS56500194A (it) * 1979-01-11 1981-02-19
US4242708A (en) * 1979-01-30 1980-12-30 Honeywell Inc. Tape recording apparatus using capacitive detectors as tape position sensors
US4333115A (en) * 1979-12-14 1982-06-01 Honeywell Inc. Tape transport control system
JPS57167154A (en) * 1981-04-06 1982-10-14 Sony Corp Tape slip compensating device
SE450703B (sv) * 1982-04-01 1987-07-20 Asea Ab Sett for kontrollering av den i en parullad pappersrulle inrullade materialspenningen
JPS5958645A (ja) * 1982-09-28 1984-04-04 Victor Co Of Japan Ltd テ−プ走行異常検出装置
US4496117A (en) * 1982-11-01 1985-01-29 Canon Kabushiki Kaisha Web transport device
FR2552914B1 (fr) * 1983-09-29 1985-11-29 Victor Company Of Japan Dispositif pour la detection d'anomalies dans le defilement de la bande dans un appareil d'enregistrement et/ou de reproduction magnetique
DE3412735A1 (de) * 1984-04-05 1985-10-17 Standard Elektrik Lorenz Ag, 7000 Stuttgart Aufnahme- oder wiedergabegeraet der unterhaltungselektronik mit einer anzeigevorrichtung zur anzeige der bandposition
KR890006200Y1 (ko) * 1985-12-27 1989-09-18 주식회사금성사 Vtr용 제동장치
JPS6378359A (ja) * 1986-09-19 1988-04-08 Matsushita Electric Ind Co Ltd 磁気テ−プ高速巻取制御装置
US4807107A (en) * 1987-08-25 1989-02-21 Ampex Corporation Apparatus for providing a profiled tape tension without utilizing a tape pack diameter sensor
JP2605733B2 (ja) * 1987-09-14 1997-04-30 ソニー株式会社 テープレコーダ
US4866547A (en) * 1988-04-01 1989-09-12 Rodal David R Circuit for detecting the end of a tape by counting reel revolutions
JPH0233752A (ja) * 1988-07-22 1990-02-02 Mitsubishi Electric Corp 磁気記録装置
KR910003393Y1 (ko) * 1988-08-26 1991-05-24 삼성전자 주식회사 예약 녹화시 비디오 테이프의 주행 모드 자동 설정회로
EP0630011A3 (en) * 1993-06-14 1996-02-21 Ibm Reel-to-reel bidirectional web drive.
KR960008370B1 (en) * 1993-11-02 1996-06-26 Lg Electronics Inc Start/end checking method for record player
KR0159396B1 (ko) * 1995-03-31 1999-01-15 배순훈 브이.씨.알의 카세트 테이프 감김속도 제어방법
US6082653A (en) * 1996-10-31 2000-07-04 Ampex Corporation System for estimating tape pack radius using a Kalman filter
JP2000268444A (ja) * 1999-03-17 2000-09-29 Mitsubishi Electric Corp 磁気記録再生装置
US20030029950A1 (en) * 2001-07-30 2003-02-13 Storage Technology Corporation Position control strategy for reel-to-reel tape drives with two tachometers

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US3151507A (en) * 1961-05-23 1964-10-06 Datex Corp Speed control system
NL291619A (it) * 1962-05-01 1900-01-01
US3248621A (en) * 1962-07-20 1966-04-26 Westinghouse Canada Ltd Strip reel motor deceleration digital control system
CA741915A (en) * 1963-02-18 1966-08-30 Westinghouse Electric Corporation Strip reeling speed control
US3518857A (en) * 1967-09-28 1970-07-07 Westinghouse Electric Corp Rolling mill automatic slowdown control
US3553992A (en) * 1968-04-24 1971-01-12 Allegheny Ludlum Steel System for automatically decelerating rolling mills
US3564219A (en) * 1968-06-07 1971-02-16 Honeywell Inc Indicating device

Also Published As

Publication number Publication date
FR2176356A5 (it) 1973-10-26
DE2313024A1 (de) 1973-09-20
DE2313024B2 (de) 1978-06-08
JPS493612A (it) 1974-01-12
JPS527333B2 (it) 1977-03-01
CA972845A (en) 1975-08-12
US3834648A (en) 1974-09-10
GB1417311A (en) 1975-12-10
DE2313024C3 (de) 1979-02-08

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