GB1387547A - Vacuum buffer chambers for magnetic tape equipment - Google Patents

Vacuum buffer chambers for magnetic tape equipment

Info

Publication number
GB1387547A
GB1387547A GB4498673A GB4498673A GB1387547A GB 1387547 A GB1387547 A GB 1387547A GB 4498673 A GB4498673 A GB 4498673A GB 4498673 A GB4498673 A GB 4498673A GB 1387547 A GB1387547 A GB 1387547A
Authority
GB
United Kingdom
Prior art keywords
magnetic tape
vacuum buffer
wall
buffer chambers
tape equipment
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
GB4498673A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1387547A publication Critical patent/GB1387547A/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
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/06—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape
    • G11B15/08—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape by photoelectric sensing
    • 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

  • Burglar Alarm Systems (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Advancing Webs (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
GB4498673A 1972-09-27 1973-09-26 Vacuum buffer chambers for magnetic tape equipment Expired GB1387547A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722247349 DE2247349C3 (de) 1972-09-27 1972-09-27 Einrichtung zum Erkennen der auf dem Magnetband befindlichen Reflexmarken

Publications (1)

Publication Number Publication Date
GB1387547A true GB1387547A (en) 1975-03-19

Family

ID=5857512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4498673A Expired GB1387547A (en) 1972-09-27 1973-09-26 Vacuum buffer chambers for magnetic tape equipment

Country Status (6)

Country Link
BE (1) BE805405A (enExample)
DE (1) DE2247349C3 (enExample)
FR (1) FR2200576B3 (enExample)
GB (1) GB1387547A (enExample)
IT (1) IT993411B (enExample)
NL (1) NL7312383A (enExample)

Also Published As

Publication number Publication date
IT993411B (it) 1975-09-30
DE2247349B2 (de) 1975-03-20
FR2200576B3 (enExample) 1976-08-20
FR2200576A1 (enExample) 1974-04-19
DE2247349A1 (de) 1974-03-28
BE805405A (fr) 1974-03-27
DE2247349C3 (de) 1975-11-20
NL7312383A (enExample) 1974-03-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee