DE3401543C2 - - Google Patents

Info

Publication number
DE3401543C2
DE3401543C2 DE19843401543 DE3401543A DE3401543C2 DE 3401543 C2 DE3401543 C2 DE 3401543C2 DE 19843401543 DE19843401543 DE 19843401543 DE 3401543 A DE3401543 A DE 3401543A DE 3401543 C2 DE3401543 C2 DE 3401543C2
Authority
DE
Germany
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
DE19843401543
Other versions
DE3401543A1 (de
Inventor
Josef 7560 Gaggenau De Haefele
Original Assignee
STEINHOFF ROLF 4044 KAARST DE
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 STEINHOFF ROLF 4044 KAARST DE filed Critical STEINHOFF ROLF 4044 KAARST DE
Priority to DE19843401543 priority Critical patent/DE3401543C2/de
Publication of DE3401543A1 publication Critical patent/DE3401543A1/de
Application granted granted Critical
Publication of DE3401543C2 publication Critical patent/DE3401543C2/de
Application status is Expired legal-status Critical

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record 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
    • G11B23/28Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G11B23/287Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs by mechanical lock
DE19843401543 1984-01-18 1984-01-18 Expired DE3401543C2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843401543 DE3401543C2 (ja) 1984-01-18 1984-01-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843401543 DE3401543C2 (ja) 1984-01-18 1984-01-18

Publications (2)

Publication Number Publication Date
DE3401543A1 DE3401543A1 (de) 1985-07-25
DE3401543C2 true DE3401543C2 (ja) 1986-07-17

Family

ID=6225230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843401543 Expired DE3401543C2 (ja) 1984-01-18 1984-01-18

Country Status (1)

Country Link
DE (1) DE3401543C2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3618824A1 (de) * 1986-06-04 1986-10-16 Josef Haefele Schloss fuer einen bandfoermigen ton- und/oder bildtraeger
DE3836887A1 (de) * 1988-10-29 1990-05-03 Huwil Werke Gmbh Schliessvorrichtung als einlegesperre fuer magnetbandkassetten, insbesondere videobandkassetten
DE4244632C1 (de) * 1992-12-30 1994-06-23 Meier Harald Consulting Werkzeug zum Einformen einer Nut in eine für eine Antriebswelle vorgesehene Aufnahme einer Bandkassette

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8500337D0 (en) * 1985-01-07 1985-02-13 Newell T J Preventing unauthorised use of video-cassettes
EP0214889A1 (fr) * 1985-08-12 1987-03-18 Patrick Malenfant Procédé et dispositif pour l'enregistrement de données dont l'authentification doit être assurée
FR2586125B2 (fr) * 1985-02-04 1987-12-04 Malenfant Patrick Procede et dispositif pour l'enregistrement de donnees dont l'authentification doit etre assuree
DE9202501U1 (ja) * 1992-02-26 1993-06-24 Bayer, Josef, 8000 Muenchen, De

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3618824A1 (de) * 1986-06-04 1986-10-16 Josef Haefele Schloss fuer einen bandfoermigen ton- und/oder bildtraeger
DE3836887A1 (de) * 1988-10-29 1990-05-03 Huwil Werke Gmbh Schliessvorrichtung als einlegesperre fuer magnetbandkassetten, insbesondere videobandkassetten
DE4244632C1 (de) * 1992-12-30 1994-06-23 Meier Harald Consulting Werkzeug zum Einformen einer Nut in eine für eine Antriebswelle vorgesehene Aufnahme einer Bandkassette

Also Published As

Publication number Publication date
DE3401543A1 (de) 1985-07-25

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HAEFELE, JOSEF, 7560 GAGGENAU, DE

8327 Change in the person/name/address of the patent owner

Owner name: ROBBEN, HEINRICH, 6200 WIESBADEN, DE

8327 Change in the person/name/address of the patent owner

Owner name: ROBBEN, HEINRICH, 6332 EHRINGSHAUSEN, DE

8327 Change in the person/name/address of the patent owner

Owner name: HARALD MEIER CONSULTING, 2121 BRIETLINGEN, DE

8339 Ceased/non-payment of the annual fee