FR2745657A1 - Movable tab for video cassette overwrite protection - Google Patents

Movable tab for video cassette overwrite protection Download PDF

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Publication number
FR2745657A1
FR2745657A1 FR9602694A FR9602694A FR2745657A1 FR 2745657 A1 FR2745657 A1 FR 2745657A1 FR 9602694 A FR9602694 A FR 9602694A FR 9602694 A FR9602694 A FR 9602694A FR 2745657 A1 FR2745657 A1 FR 2745657A1
Authority
FR
France
Prior art keywords
valve
plate
cassette
allowing
video cassette
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.)
Granted
Application number
FR9602694A
Other languages
French (fr)
Other versions
FR2745657B1 (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.)
MANERA CHARLES
Original Assignee
MANERA CHARLES
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 MANERA CHARLES filed Critical MANERA CHARLES
Priority to FR9602694A priority Critical patent/FR2745657B1/en
Publication of FR2745657A1 publication Critical patent/FR2745657A1/en
Application granted granted Critical
Publication of FR2745657B1 publication Critical patent/FR2745657B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/04—Magazines; Cassettes for webs or filaments
    • G11B23/08—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends
    • G11B23/087—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends using two different reels or cores
    • G11B23/08707—Details
    • G11B23/08714—Auxiliary features
    • 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
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/04—Magazines; Cassettes for webs or filaments
    • G11B23/041—Details
    • G11B23/042—Auxiliary features

Landscapes

  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)

Abstract

The tab includes a flat plate which fits into the space provided for a conventional tab. The plate is hinged (6) transversely and can be manually flipped through 180 degrees, between a position which prevents recording of the tape and a position which allows the tape to be recorded on. The plate moves transversely to the cassette. A lip at the outer edge of the plate allows it to be displaced manually. The edges of the plate have small studs (5) which engage in oval slots formed on the sides of the recess (7) which houses the mobile plate. The plate can be removed completely for permanent blocking of recording.

Description

La présente invention concerne un dispositif destiné à reapiacer l'actuelle languette sécable de détection d'interdiction d'écriture des cassettes à bande, par un clapet pivotant sur plusieurs postions, permettant à expecher o n autoriser l'lécriture de la cassette à de multiplets reprises. The present invention relates to a device intended to reapiacer the current breakable tab for detecting the prohibition of writing tape cassettes, by a valve pivoting on several positions, allowing to expecher authorize the writing of the cassette multiple times .

Ce clapet pi votant formé d'une pièce ressemblant à un rectangle se commute manuellement grâce à son côté qui effleure le tord de la cassette quelque soit sa position finale. This voting pi valve formed of a piece resembling a rectangle is manually switched thanks to its side which touches the twists of the cassette whatever its final position.

Sur son autre côté, le clapet est ancré dans la cassette grâce à deux picots latéraux, se qui lui permet de faire une évolution de 180 ' pour se lettre dans sa position finale de protection ou d'autorisation de l'écriture.Schématiquement il pivote comme peut le faire une feuille de papier d'un livre fixé à sa reliure. On its other side, the flap is anchored in the cassette thanks to two lateral pins, which allows it to make an evolution of 180 'to letter itself in its final position of protection or authorization of writing. as can a sheet of paper from a book attached to its binding.

Etant donné 1 épaisseur du clapet une certaine gorge on saillie doit être inscrite dans la cassette, permettant au clapet de se loger dans an coffrage qu lui permettra de ne pas dépasser de l'épaisseur de la cassette. Given the thickness of the valve, a certain protruding groove must be inscribed in the cassette, allowing the valve to be housed in a formwork which will allow it not to exceed the thickness of the cassette.

Afin de protégé définitivement la cassette à bande de tout r isnue F écriture ultérieur le clapet peut également être supprimé par l'utilisateur en le dégagent de son logement. In order to permanently protect the tape cassette from any subsequent writing, the valve can also be removed by the user by removing it from its housing.

Selon des modes de réalisation. According to embodiments.

-Le clapet peut être maintenu latéralenent dans ses position par des encoches pourvues sur lui même et ou sur la cassette. -The valve can be kept laterally in its position by notches provided on itself and or on the cassette.

-Une lamelle ressort ou une excroissance sous le clapet peut également lui permettre de rester en position. -A spring strip or a protrusion under the valve can also allow it to remain in position.

-Le clapet p e a t être réalisé en ia t 1ère plastique e t également de cou leur différentes sur ses faces, ce qui p er aet rapidement de déterminé l'état en protection de la cassette. -The valve p e has been made of ia t 1st plastic and also of their different colors on its faces, which p er aet quickly to determine the state in protection of the cassette.

Les dessins annexée illustrent l'invention
La figure 1 représente le dispositif dans l'une des positions utiles.The accompanying drawings illustrate the invention
Figure 1 shows the device in one of the useful positions.

Les figures 2 et 3 représentent le dispositif dans sa phase de déplacement.  Figures 2 and 3 show the device in its displacement phase.

La figure 4 présente une variante sur un autre are où la commutation manuelle e St effectue par le tord latéral du clapet. Figure 4 shows a variant on another are where the manual switching e St effect by the lateral twist of the valve.

En référence à ces dessins, le dispositif comporte un clapet (1), maintenu par deux picots (6), permettant au mécanisme d'évolue vers les positions "a" et 'b' par rotation et de se glisser dans des gorges (7).  With reference to these drawings, the device comprises a valve (1), held by two pins (6), allowing the mechanism to move towards the positions "a" and 'b' by rotation and to slide into grooves (7 ).

Claims (2)

REVENDICATIONS i) Dispositif iutile de protection à l'enregistreient des cassettes à bande en ce qu'il comporte un clapet (1) ancré à la cassette (4) lui permettant d'effectue une rotation pour se positionné devant la détection d'interdiction à l'écriture. i) Useful protection device for the recording of tape cassettes in that it comprises a valve (1) anchored to the cassette (4) allowing it to perform a rotation so as to be positioned before the prohibition detection at the 'writing. 3) Dispositif selon la revendication 1 ou la revendication 2 caractérisé en ce que des gorges ou des des saillis (7) sont imprimées sur la cassette afin de permettre au clapet (1) de s'introduire dans la cassette (4) et de ne pas dépasser du niveau de celle-ci. 3) Device according to claim 1 or claim 2 characterized in that grooves or projections (7) are printed on the cassette in order to allow the valve (1) to be introduced into the cassette (4) and not not exceed the level thereof. 2) Dispositif selon la revendication 1 caractérisé en ce que le clapet (1) est pouvu d'un bord en son sommet (9)ou son coté (8) permettant une coilutation manuelle,  2) Device according to claim 1 characterized in that the valve (1) is capable of an edge at its top (9) or its side (8) allowing manual coiling, 4) Dispositif selon la revendication 3 caractérisé en ce que ces gorges ou saillis (7) sont pourvurent de furies géométriques (5) permettant au clapet (1) de se maintenir seul dans les deux positions couchées. 4) Device according to claim 3 characterized in that these grooves or projections (7) are provided with geometric furies (5) allowing the valve (1) to be maintained alone in the two lying positions. 5) Dispositif selon la revendication l caractérisé en ce que l'axe de rotation du clapet (1) soit pourvu de deux picots (6) permettant au dispositif de resté logé dans la cassette (4) grace à la forme inverse des picots dessiné dans celle-ci.  5) Device according to claim l characterized in that the axis of rotation of the valve (1) is provided with two pins (6) allowing the device to remain housed in the cassette (4) thanks to the reverse shape of the pins drawn in this one.
FR9602694A 1996-03-04 1996-03-04 MOBILE TAPE PROTECTION DEVICE Expired - Fee Related FR2745657B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9602694A FR2745657B1 (en) 1996-03-04 1996-03-04 MOBILE TAPE PROTECTION DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9602694A FR2745657B1 (en) 1996-03-04 1996-03-04 MOBILE TAPE PROTECTION DEVICE

Publications (2)

Publication Number Publication Date
FR2745657A1 true FR2745657A1 (en) 1997-09-05
FR2745657B1 FR2745657B1 (en) 1998-05-07

Family

ID=9489826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9602694A Expired - Fee Related FR2745657B1 (en) 1996-03-04 1996-03-04 MOBILE TAPE PROTECTION DEVICE

Country Status (1)

Country Link
FR (1) FR2745657B1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604172A1 (en) * 1976-02-04 1977-08-11 Dieter Grimm Magnetic tape cassette with selectable recording function inhibit - can be adjusted to allow or disallow recording and erasing operations as desired
US4053935A (en) * 1975-04-22 1977-10-11 Tdk Electronics Co., Ltd. Tape cassette with flexible aperture closure
WO1982003721A1 (en) * 1981-04-13 1982-10-28 Mfg Co Loranger Lockout device for tape cassette
US4737876A (en) * 1983-05-19 1988-04-12 Verbatim Corporation Write protect device for a record disk assembly
EP0341908A2 (en) * 1988-05-09 1989-11-15 Minnesota Mining And Manufacturing Company Record/not record latch for recording cassette

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053935A (en) * 1975-04-22 1977-10-11 Tdk Electronics Co., Ltd. Tape cassette with flexible aperture closure
DE2604172A1 (en) * 1976-02-04 1977-08-11 Dieter Grimm Magnetic tape cassette with selectable recording function inhibit - can be adjusted to allow or disallow recording and erasing operations as desired
WO1982003721A1 (en) * 1981-04-13 1982-10-28 Mfg Co Loranger Lockout device for tape cassette
US4737876A (en) * 1983-05-19 1988-04-12 Verbatim Corporation Write protect device for a record disk assembly
EP0341908A2 (en) * 1988-05-09 1989-11-15 Minnesota Mining And Manufacturing Company Record/not record latch for recording cassette

Also Published As

Publication number Publication date
FR2745657B1 (en) 1998-05-07

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