DE2926473C2 - Datenlöschgerät für Magnetbänder, die am Bandanfang einen Kennsatz aufweisen - Google Patents

Datenlöschgerät für Magnetbänder, die am Bandanfang einen Kennsatz aufweisen

Info

Publication number
DE2926473C2
DE2926473C2 DE19792926473 DE2926473A DE2926473C2 DE 2926473 C2 DE2926473 C2 DE 2926473C2 DE 19792926473 DE19792926473 DE 19792926473 DE 2926473 A DE2926473 A DE 2926473A DE 2926473 C2 DE2926473 C2 DE 2926473C2
Authority
DE
Germany
Prior art keywords
tape
magnetic tape
label
beginning
electromagnet
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
DE19792926473
Other languages
German (de)
English (en)
Other versions
DE2926473A1 (de
Inventor
Lothar 4050 Mönchengladbach Nikelat
Original Assignee
Algamatic Maschinen GmbH, 4050 Mönchengladbach
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
Priority claimed from DE2809992A external-priority patent/DE2809992C3/de
Application filed by Algamatic Maschinen GmbH, 4050 Mönchengladbach filed Critical Algamatic Maschinen GmbH, 4050 Mönchengladbach
Publication of DE2926473A1 publication Critical patent/DE2926473A1/de
Application granted granted Critical
Publication of DE2926473C2 publication Critical patent/DE2926473C2/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
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
    • G11B23/502—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of tape carriers
    • 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
    • G11B15/04—Preventing, inhibiting, or warning against accidental erasing or double recording
    • 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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/024—Erasing
    • G11B5/0245—Bulk erasing

Landscapes

  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
DE19792926473 1978-03-08 1979-06-30 Datenlöschgerät für Magnetbänder, die am Bandanfang einen Kennsatz aufweisen Expired DE2926473C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2809992A DE2809992C3 (de) 1978-03-08 1978-03-08 Datenlöschgerät für Magnetbänder, insbesondere Computerbänder
IT04812/79A IT1120822B (it) 1978-03-08 1979-03-05 Apparecchio cancellatore di dati per nastri magnetici,in particolare nastri per computer

Publications (2)

Publication Number Publication Date
DE2926473A1 DE2926473A1 (de) 1980-09-18
DE2926473C2 true DE2926473C2 (de) 1987-04-16

Family

ID=25774014

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792926473 Expired DE2926473C2 (de) 1978-03-08 1979-06-30 Datenlöschgerät für Magnetbänder, die am Bandanfang einen Kennsatz aufweisen

Country Status (1)

Country Link
DE (1) DE2926473C2 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6098505A (ja) * 1983-11-02 1985-06-01 Canon Inc 消去装置
CN111795655B (zh) * 2020-08-04 2021-10-08 苏交科集团股份有限公司 一种轮廓标安装角度测量装置及其测量方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972166C (de) * 1942-06-03 1959-05-27 Telefunken Gmbh Verfahren und Vorrichtung zum Loeschen eines Magnetogrammtraegers, der zu einer Spule gewickelt ist
DE2629894C2 (de) * 1976-07-02 1978-08-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Löschen eines ganz oder teilweise mit Daten beschriebenen Magnetbandes

Also Published As

Publication number Publication date
DE2926473A1 (de) 1980-09-18

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