GB970810A - Improvements in magnetic tape drive mechanism - Google Patents

Improvements in magnetic tape drive mechanism

Info

Publication number
GB970810A
GB970810A GB204663A GB204663A GB970810A GB 970810 A GB970810 A GB 970810A GB 204663 A GB204663 A GB 204663A GB 204663 A GB204663 A GB 204663A GB 970810 A GB970810 A GB 970810A
Authority
GB
United Kingdom
Prior art keywords
magnetic tape
reels
jan
photo
electric
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
GB204663A
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.)
NEC Corp
Original Assignee
Nippon Electric 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
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of GB970810A publication Critical patent/GB970810A/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
    • 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
    • G11B15/56—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 the record carrier having reserve loop, e.g. to minimise inertia during acceleration measuring or control in connection therewith
    • G11B15/58—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 the record carrier having reserve loop, e.g. to minimise inertia during acceleration measuring or control in connection therewith with vacuum column

Landscapes

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

Abstract

970, 810. Automatic control of tape drives. NIPPON ELECTRIC CO. Ltd. Jan. 16, 1963 [Jan. 30, 1962], No. 2046/63. Heading G3R. Magnetic tape loops, whose length depends on the controlled driving of tape-reels, 1, 2 are sensed by photo-electric means 7-11 to derive a signal operating the control motors 30 of mechanical variable speed gears 15 (of the cone-andbelt type) connecting drive motors to the reels 1, 2 so as to maintain the loop-lengths within predetermined limits. An alternative embodiment (not described in detail) substitutes compliance-arm/micro-switch sensing means for the photo-electric system of Fig. 1.
GB204663A 1962-01-30 1963-01-16 Improvements in magnetic tape drive mechanism Expired GB970810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP345062 1962-01-30

Publications (1)

Publication Number Publication Date
GB970810A true GB970810A (en) 1964-09-23

Family

ID=11557656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB204663A Expired GB970810A (en) 1962-01-30 1963-01-16 Improvements in magnetic tape drive mechanism

Country Status (1)

Country Link
GB (1) GB970810A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305873A (en) * 1963-11-08 1967-02-21 Benson France Graphic recorder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305873A (en) * 1963-11-08 1967-02-21 Benson France Graphic recorder
USRE30422E (en) 1963-11-08 1980-10-21 Benson-France Graphic recorder

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