GB725613A - Improvements in or relating to data bearing tape feeding mechanisms - Google Patents

Improvements in or relating to data bearing tape feeding mechanisms

Info

Publication number
GB725613A
GB725613A GB1417153A GB1417153A GB725613A GB 725613 A GB725613 A GB 725613A GB 1417153 A GB1417153 A GB 1417153A GB 1417153 A GB1417153 A GB 1417153A GB 725613 A GB725613 A GB 725613A
Authority
GB
United Kingdom
Prior art keywords
tape
rollers
rocker
stationary
pair
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
GB1417153A
Inventor
Sidney Joseph Booth
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.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine 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 British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Priority to GB1417153A priority Critical patent/GB725613A/en
Publication of GB725613A publication Critical patent/GB725613A/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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/22—Stopping means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K13/00—Conveying record carriers from one station to another, e.g. from stack to punching mechanism
    • G06K13/18—Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier being longitudinally extended, e.g. punched tape
    • G06K13/20—Details
    • G06K13/22—Capstans; Pinch rollers
    • 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
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/10—Manually-operated control; Solenoid-operated control
    • 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
    • G11B15/20—Moving record carrier backwards or forwards by finite amounts, i.e. backspacing, forward spacing
    • 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
    • G11B15/26—Driving record carriers by members acting directly or indirectly thereon
    • G11B15/28—Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal
    • 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
    • G11B15/26—Driving record carriers by members acting directly or indirectly thereon
    • G11B15/28—Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal
    • G11B15/29—Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal through pinch-rollers or tape rolls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/02—Details not particular to receiver or transmitter
    • H04L13/06—Tape or page guiding or feeding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

725,613. Feeding webs. BRITISH TABU. LATING MACHINE CO., Ltd. May 20, 1953, No. 14171/53. Class 100 (1). [Also in Group XIX] A data bearing tape is fed past a magnetic sensing head or photo-electric device by two pairs of rollers one pair being stationary and the other pair constantly running with one roller of each pair being carried on a rockable member arranged to grip the tape between one or other of the pairs of rollers to stop or start the tape rapidly. A tape 2, Fig. 1, passes between stationary rollers 5 and 6, over a guide plate 8, and between a pair of constantly running rollers 3, 4. The tape is guided by freely revolving rollers 9 and a free loop of tape is provided between the pairs of rollers and the supply and take-up spools which may be driven in known manner by servo mechanisms controlled by the loop positions. The rollers 4 and 5 are mounted at the ends of two arms of a rocker 10. The rocker has two further arms which carry extensions 11 and 12 which form the armature for a. start electromagnet 13 and a stop electromagnet 14. The rocker is pivoted on a stud 15. The lengths of the arms of the rockers is such that for a given movement of the armatures, the rollers move through twice the distance. When the stop magnet 14 is energized the extension 12 tends to move so that it is opposite the core of the magnet and this movement forces the rollers 5 and 6 together, and holds the rollers 3 and 4 apart, keeping the tape stationary. Similarly when the start magnet 13 is energized the tape is released from the stationary rollers and gripped between the constantly running rollers 3 and 4. The movement between rollers 4 and 5 necessary to grip the tape is small so that the gears 18 and 19 which transmit the drive from shaft 17 to the lower driven roller 4 remain in mesh irrespective of the position of the rocker 10. The block 16 carrying the stud 15 is adjustable by means of a screw 20 in a fixed block 21, so as to accommodate different thicknesses of tape. A magnetic reading head 22 is mounted on a plate 23 which is also adjustable so that the distance of the reading head from the tape may be adjusted. A photo-electric head may be provided in place of the magnetic tape if punched tape is provided in lieu of magnetic tape.
GB1417153A 1953-05-20 1953-05-20 Improvements in or relating to data bearing tape feeding mechanisms Expired GB725613A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1417153A GB725613A (en) 1953-05-20 1953-05-20 Improvements in or relating to data bearing tape feeding mechanisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1417153A GB725613A (en) 1953-05-20 1953-05-20 Improvements in or relating to data bearing tape feeding mechanisms

Publications (1)

Publication Number Publication Date
GB725613A true GB725613A (en) 1955-03-09

Family

ID=10036286

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1417153A Expired GB725613A (en) 1953-05-20 1953-05-20 Improvements in or relating to data bearing tape feeding mechanisms

Country Status (1)

Country Link
GB (1) GB725613A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002670A (en) * 1956-12-14 1961-10-03 Epsylon Res & Dev Company Ltd Magnetic recorder
US3724736A (en) * 1970-08-04 1973-04-03 Microfilm Automatic Data Apparatus for the rapid, stepwise transport of a strip

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002670A (en) * 1956-12-14 1961-10-03 Epsylon Res & Dev Company Ltd Magnetic recorder
US3724736A (en) * 1970-08-04 1973-04-03 Microfilm Automatic Data Apparatus for the rapid, stepwise transport of a strip

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