NL7801721A - DEVICE FOR DELETING INFORMATION ON A TAPE OF A TAPE CASSETTE. - Google Patents

DEVICE FOR DELETING INFORMATION ON A TAPE OF A TAPE CASSETTE.

Info

Publication number
NL7801721A
NL7801721A NL7801721A NL7801721A NL7801721A NL 7801721 A NL7801721 A NL 7801721A NL 7801721 A NL7801721 A NL 7801721A NL 7801721 A NL7801721 A NL 7801721A NL 7801721 A NL7801721 A NL 7801721A
Authority
NL
Netherlands
Prior art keywords
tape
deleting information
cassette
tape cassette
deleting
Prior art date
Application number
NL7801721A
Other languages
Dutch (nl)
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
Publication of NL7801721A publication Critical patent/NL7801721A/en

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
    • 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
    • G11B15/675—Guiding containers, e.g. loading, ejecting cassettes
    • 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
NL7801721A 1977-04-14 1978-02-15 DEVICE FOR DELETING INFORMATION ON A TAPE OF A TAPE CASSETTE. NL7801721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772716587 DE2716587A1 (en) 1977-04-14 1977-04-14 DEVICE FOR ERASING INFORMATION ON TAPES FROM TAPE CASSETTES

Publications (1)

Publication Number Publication Date
NL7801721A true NL7801721A (en) 1978-10-17

Family

ID=6006302

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7801721A NL7801721A (en) 1977-04-14 1978-02-15 DEVICE FOR DELETING INFORMATION ON A TAPE OF A TAPE CASSETTE.

Country Status (4)

Country Link
DE (1) DE2716587A1 (en)
FR (1) FR2387490A1 (en)
GB (1) GB1581809A (en)
NL (1) NL7801721A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3337845A1 (en) * 1983-10-18 1985-04-25 Nixdorf Computer Ag, 4790 Paderborn HARD DISK DRIVE
GB8916817D0 (en) * 1989-07-22 1989-09-06 Digitrol Limited Erasure of recording media

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2848660A (en) * 1952-06-05 1958-08-19 Midwestern Instr Inc Mass demagnetizing device for magnetic recording media
CH351767A (en) * 1957-12-21 1961-01-31 Tdk Electronics Co Ltd Device for erasing a magnetic recording
NL241715A (en) * 1958-07-30
FR1411409A (en) * 1963-10-15 1965-09-17 Amos Of Exeter Ltd Device for erasing signals recorded on a magnetic tape
GB1098626A (en) * 1963-10-17 1968-01-10 Emi Ltd Improvements relating to demagnetising apparatus
US3588623A (en) * 1968-08-07 1971-06-28 Iit Res Inst Bulk demagnetizer system and method
US3660727A (en) * 1968-10-16 1972-05-02 Sony Corp Bulk eraser with permanent magnet flux produced obliquely to cassette movement
BE757760A (en) * 1969-10-22 1971-04-01 Scanfax Systems Corp MAGNETIC TAPE ERASER DEVICE

Also Published As

Publication number Publication date
FR2387490A1 (en) 1978-11-10
DE2716587A1 (en) 1978-10-19
GB1581809A (en) 1980-12-17

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Legal Events

Date Code Title Description
BV The patent application has lapsed