DE2247349C3 - Einrichtung zum Erkennen der auf dem Magnetband befindlichen Reflexmarken - Google Patents

Einrichtung zum Erkennen der auf dem Magnetband befindlichen Reflexmarken

Info

Publication number
DE2247349C3
DE2247349C3 DE19722247349 DE2247349A DE2247349C3 DE 2247349 C3 DE2247349 C3 DE 2247349C3 DE 19722247349 DE19722247349 DE 19722247349 DE 2247349 A DE2247349 A DE 2247349A DE 2247349 C3 DE2247349 C3 DE 2247349C3
Authority
DE
Germany
Prior art keywords
light
buffer chamber
magnetic tape
tape
light receiver
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
DE19722247349
Other languages
German (de)
English (en)
Other versions
DE2247349B2 (de
DE2247349A1 (de
Inventor
Winfried 8033 Martinsried Gottwald
Helmut 8024 Gerblingshausen Rohde
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 AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Priority to DE19722247349 priority Critical patent/DE2247349C3/de
Priority to NL7312383A priority patent/NL7312383A/xx
Priority to IT2933273A priority patent/IT993411B/it
Priority to FR7334306A priority patent/FR2200576B3/fr
Priority to GB4498673A priority patent/GB1387547A/en
Priority to BE136121A priority patent/BE805405A/xx
Publication of DE2247349A1 publication Critical patent/DE2247349A1/de
Publication of DE2247349B2 publication Critical patent/DE2247349B2/de
Application granted granted Critical
Publication of DE2247349C3 publication Critical patent/DE2247349C3/de
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)
DE19722247349 1972-09-27 1972-09-27 Einrichtung zum Erkennen der auf dem Magnetband befindlichen Reflexmarken Expired DE2247349C3 (de)

Priority Applications (6)

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
NL7312383A NL7312383A (enExample) 1972-09-27 1973-09-07
IT2933273A IT993411B (it) 1972-09-27 1973-09-25 Dispositivo per riconoscere marche riflettenti situate su un nastro magnetico
FR7334306A FR2200576B3 (enExample) 1972-09-27 1973-09-25
GB4498673A GB1387547A (en) 1972-09-27 1973-09-26 Vacuum buffer chambers for magnetic tape equipment
BE136121A BE805405A (fr) 1972-09-27 1973-09-27 Dispositif pour identifier les reperes reflechissants situes sur une bande magnetique

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 (3)

Publication Number Publication Date
DE2247349A1 DE2247349A1 (de) 1974-03-28
DE2247349B2 DE2247349B2 (de) 1975-03-20
DE2247349C3 true DE2247349C3 (de) 1975-11-20

Family

ID=5857512

Family Applications (1)

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

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
GB1387547A (en) 1975-03-19
FR2200576B3 (enExample) 1976-08-20
FR2200576A1 (enExample) 1974-04-19
DE2247349A1 (de) 1974-03-28
BE805405A (fr) 1974-03-27
NL7312383A (enExample) 1974-03-29

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee