FR2526209A1 - MAGNETIC TAPE CASSETTE - Google Patents

MAGNETIC TAPE CASSETTE Download PDF

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Publication number
FR2526209A1
FR2526209A1 FR8307173A FR8307173A FR2526209A1 FR 2526209 A1 FR2526209 A1 FR 2526209A1 FR 8307173 A FR8307173 A FR 8307173A FR 8307173 A FR8307173 A FR 8307173A FR 2526209 A1 FR2526209 A1 FR 2526209A1
Authority
FR
France
Prior art keywords
magnetic tape
screws
tape cassette
cassette
heads
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.)
Pending
Application number
FR8307173A
Other languages
French (fr)
Inventor
Katsuo Suzuki
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Publication of FR2526209A1 publication Critical patent/FR2526209A1/en
Pending legal-status Critical Current

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
    • G11B23/02Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/04Magazines; Cassettes for webs or filaments
    • G11B23/08Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends
    • G11B23/087Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends using two different reels or cores
    • G11B23/08707Details
    • G11B23/08785Envelopes

Abstract

L'INVENTION CONCERNE UNE CASSETTE DE BANDE MAGNETIQUE. DANS UNE CASSETTE CONSTITUEE PAR DEUX PARTIES 1, 2 ASSEMBLEES PAR DES VIS 3 DONT LES TETES 3A APPARAISSENT A L'EXTERIEUR, LA TOTALITE, OU L'UNE AU MOINS DES TETES DE CES VIS, EST SCELLEE 6 DE MANIERE A INTERDIRE TOUT DEVISSAGE PAR L'EXTERIEUR. L'INVENTION S'APPLIQUE NOTAMMENT A DES CASSETTES VIDEO PRETEES A DES UTILISATEURS.THE INVENTION RELATES TO A MAGNETIC TAPE CASSETTE. IN A CASSETTE CONSTITUTED BY TWO PARTS 1, 2 ASSEMBLED BY SCREWS 3 WHOSE HEADS 3A APPEAR ON THE EXTERIOR, ALL, OR AT LEAST ONE OF THE HEADS OF THESE SCREWS, IS SEALED 6 SO AS TO PROHIBIT ANY THREADING BY THE EXTERIOR. THE INVENTION APPLIES IN PARTICULAR TO VIDEO CASSETTES LENDED TO USERS.

Description

La présente invention se rapporte à une cassette de bande magnétique pourThe present invention relates to a magnetic tape cassette for

l'enregistrement de sons ou d'images. Dans ce type de cassette de bande magnétique, une partie supérieure et une partie inférieure de bottier con-  recording sounds or images. In this type of magnetic tape cassette, an upper part and a lower part of

tenant une bande magnétique sont assemblées et fixées en-  holding a magnetic tape are assembled and

semble par des vis Par conséquent, si l'assemblage par les  seems by screws Therefore, if the assembly by the

vis est libéré, les deux parties de bottier sont facile-  screw is released, the two parts of casing are easy-

ment séparées et la bande magnétique qui s'y trouve peut  separated from each other and the magnetic tape

en être enlevée.to be removed.

Miais par exemple, dans une cassette de bande mag-  For example, in a tape cassette tape

nétique d'enregistrement d'image destinée à Etre prêtée, cette utilisation anormale dans laquelle un utilisateur fait un mauvais usage de cet assemblage, enlève la bande  image recording intended to be loaned, this abnormal use in which a user makes a bad use of this assembly, removes the tape

magnétique avec les images enregistrées du bottier en dé-  magnetic image with the recorded images of the

montant l'assemblage par vis, et remplace cette bande par  mounting the assembly by screws, and replace this band by

une autre bandeuagnétique non utilisée, constitue une per-  another unused bandage is one person

te.you.

L'invention a donc pour objet de proposer une cas-  The object of the invention is therefore to propose a

sette de bande magnétique avec laquelle il est possible  magnetic tape with which it is possible

d'éviter cette utilisation anormale, en scellant les par-  to avoid this abnormal use, by sealing the

ties des vis qui apparaissent à l'extérieur du corps du bottier.  screws that appear outside the casing's body.

D'autres caractéristiques et avantages de l'in-  Other features and advantages of the

vention seront mieux compris à la lecture de la descrip-  will be better understood when reading the description of

tion qui va suivre d'un exemple de réalisation en se ré-  following statement of an example of

férant au dessin annexé sur lequel: La Figure 1 est une vue en perspective de cette cassette de bande magnétique, la Figure 2 est une coupe à plus grande échelle  FIG. 1 is a perspective view of this magnetic tape cassette, FIG. 2 is a larger scale section.

de la partie considérée de la cassette de bande magnéti-  part of the magnetic tape cassette

que selon l'invention, et la Figure 3 est une coupe à grande échelle de la  that according to the invention, and Figure 3 is a large-scale section of the

partie considérée d'un autre mode de réalisation.  considered part of another embodiment.

La Figure 1 est une vue en perspective d'une cas-  Figure 1 is a perspective view of a case

sette de bande magnétique d'enregistrement d'image, dans I 9 ri'AI Iie Étant donné que les têtes la des vis 3 qui sont vissées dans la partie supérieure 2 du bottier à partir de sa partie inférieure 7 dans plusieurs positions de la surface sont exposées, toutes les têtes 3 a ou l'une au moins des têtes des vis 3 est scellée de manière à ne pouvoir 8 tre dévissée par l'extérieur A titre de réali-  This is because the heads of the screws 3 which are screwed into the upper part 2 of the casing from its lower part 7 into several positions of the surface. are exposed, all the heads 3a or at least one of the heads of the screws 3 is sealed so that it can not be unscrewed from the outside As a result of

sation pratique pour le scellement des vis 3, il faut con-  practical application for sealing screws 3, it is necessary to

sidérer des réalisations telles que celle dans laquelle  consider such achievements as the one in which

il est impossible de décoller par l'extérieur ou d'y ap-  it is impossible to take off from the outside or to

pliquer un joint afin que le décollage puisse être visi-  plunge a joint so that the takeoff can be visi-

ble lorsqu'il se produit, comme le montre la Figure 2, ou une réalisation dans laquelle les t 9 tes 3 a sont noyées  ble when it occurs, as shown in Figure 2, or an embodiment in which the tees 3a are embedded

dans une résine 6 qui remplit une partie creuse 5 dans la-  in a resin 6 which fills a hollow portion 5 in the-

quelle se trouve la tête 3 a d'une vis 3 comme le montre la  what is the head 3 has a screw 3 as shown in the

Figure 3.Figure 3

Etant donné que la cassette de bande magnétique  Since the tape cassette

selon l'invention est scellée de manière qu'il soit im-  according to the invention is sealed so that it is im-

possible de desserrer les vis d'assemblage, comme illus-  possible to loosen the cap screws as shown

tré et décrit ci-dessus, le démontage par un utilisateur d'une cassette destinée à *tre prêtée est impossible ce qui permet d'éviter une utilisation anormale, comme l'échange de la bande magnétique ou autre Le mode de  tré and described above, the disassembly by a user of a cassette intended to be loaned is impossible, which makes it possible to avoid abnormal use, such as the exchange of the magnetic tape or the like.

réalisation décrit ci-dessus concerne unecassette de ban-  described above relates to a paper cassette.

de magnétique pour l'enregistrement d'image Mais éventuel-  of magnetic for image recording But possibly

lement, il est possible d'utiliser la même réalisation de scellement des vis dans une cassette de bande magnétique  It is possible to use the same embodiment of screw sealing in a tape cassette.

d'enregistrement sonore.sound recording.

Bien entendu, diverses modifications peuvent tre apportées par l'homme de l'art aux modes de réalisation  Of course, various modifications may be made by those skilled in the art to the embodiments

décrits et illustrés à titre d'exemples nullement limita-  described and illustrated as examples that are by no means

tifs sans sortir du cadre de l'invention.  without departing from the scope of the invention.

Claims (3)

REVENDICATIONS 1 Cassette de bande magn 6 rique, caract 6 risée en ce qu'elle comporte un scellement ( 4, 6) de parties ( 3 a) de vis apparaissant sur la partie extérieure ( 1)  1 tape cassette 6 character, characterized in that it comprises a seal (4, 6) of parts (3 a) of screws appearing on the outer part (1) d'un corps de bottier ( 1, 2).a casing body (1, 2). 2 Cassette selon la revendication 1, caracté-  2 cassette according to claim 1, characterized risée en ce que la totalité ou au moins l'une des par-  that all or at least one of the ties ( 3 a) des vis ( 3) apparaissant sur une partie exté-  (3 a) screws (3) appearing on an outer part of rieure d'un corps de b 8 ltier ( 1, 2) est scellée.  The upper body of a housing (1, 2) is sealed. 3 Cassette selon la revendication 1, caractéri-  3 cassette according to claim 1, characterized sée en ce que la totalité ou au moins une partie ( 3 a) des vis ( 3) apparaissant sur une partie extérieure d'un corps de bottier ( 1, 2) est encastréedans une résine ( 6)  in that all or at least a part (3a) of the screws (3) appearing on an outer part of a casing body (1, 2) is embedded in a resin (6) qui remplit une partie creuse ( 5) dans laquelle se trou-  filling a hollow part (5) in which ve une tête ( 3 a) de la vis ( 3).have a head (3 a) of the screw (3).
FR8307173A 1982-04-30 1983-04-29 MAGNETIC TAPE CASSETTE Pending FR2526209A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6362682U JPS58165789U (en) 1982-04-30 1982-04-30 magnetic tape cassette

Publications (1)

Publication Number Publication Date
FR2526209A1 true FR2526209A1 (en) 1983-11-04

Family

ID=13234732

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8307173A Pending FR2526209A1 (en) 1982-04-30 1983-04-29 MAGNETIC TAPE CASSETTE

Country Status (6)

Country Link
JP (1) JPS58165789U (en)
AU (1) AU1410483A (en)
DE (1) DE3315151A1 (en)
FR (1) FR2526209A1 (en)
GB (1) GB2119753A (en)
NL (1) NL8301288A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2540276A1 (en) * 1982-09-28 1984-08-03 Shape Inc VIDEO CASSETTE WITH ULTRASONIC SQUEEGEE

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0139181B1 (en) * 1983-09-27 1987-08-19 D. La Porte Söhne Gmbh Safety device for a video cassette
SE460940B (en) * 1984-04-19 1989-12-04 Vp Utvecklingsbolag Kommanditb PROCEDURE FOR DOCUMENTATION OF INVENTORY
US4660115A (en) * 1985-03-18 1987-04-21 Westfall Wade H Video tape cassette with internal tape erasing means
GB8629312D0 (en) * 1986-12-08 1987-01-14 Deacon B Fastening devices
US4891712A (en) * 1987-12-03 1990-01-02 Nfo Research, Inc. Method of conducting marketing research by using video tape productions
US4847718A (en) * 1987-12-11 1989-07-11 Nfo Research, Inc. Cassette with erasing means
JP2541340Y2 (en) * 1991-11-13 1997-07-16 富士写真フイルム株式会社 Magnetic tape cassette
JP3362131B1 (en) * 2001-09-19 2003-01-07 護 上野 Security screw, embedded material of screw head, security seat for screw and security screw set

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB485974A (en) * 1937-09-28 1938-05-27 Coventry Gauge & Tool Co Ltd Improved method of and means for sealing instruments and apparatus against unauthorised interference
GB773316A (en) * 1953-09-26 1957-04-24 Simplex Electric Co Ltd Improvements relating to reflectors for electric and other heaters
US3420463A (en) * 1967-01-09 1969-01-07 Orrtronics Inc Tape cartridge
GB1324973A (en) * 1971-02-09 1973-07-25 Ferranti Ltd Enclosures having tamper proof fastenings
GB1544618A (en) * 1977-01-28 1979-04-25 Siemens Ag Synthetic resin components
AT356924B (en) * 1978-09-25 1980-06-10 Eumig TAPE CASSETTE
FR2510684A1 (en) * 1981-07-31 1983-02-04 Beugin Jean Tamper proof fastening for video cassette - comprises screws in counter-bored holes plugged with metallic washer and plastics plug carrying trade mark
GB2129773A (en) * 1982-09-28 1984-05-23 Shape Inc Tamper proof video cassette

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB316729A (en) * 1928-06-02 1929-08-08 Henry Graham Mcintyre Improvements in devices for rendering pilfer-proof the banding, strapping and wiringof packing-cases, boxes or similar receptacles
GB384802A (en) * 1931-12-12 1932-12-15 Henleys Telegraph Works Co Ltd Improvements relating to sealing devices
GB777316A (en) * 1954-12-06 1957-06-19 Sangamo Weston Means for securing together the component parts of instrument casings
GB997716A (en) * 1962-07-17 1965-07-07 Illinois Tool Works A screw fastener primarily for use in wall and ceiling construction

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB485974A (en) * 1937-09-28 1938-05-27 Coventry Gauge & Tool Co Ltd Improved method of and means for sealing instruments and apparatus against unauthorised interference
GB773316A (en) * 1953-09-26 1957-04-24 Simplex Electric Co Ltd Improvements relating to reflectors for electric and other heaters
US3420463A (en) * 1967-01-09 1969-01-07 Orrtronics Inc Tape cartridge
GB1324973A (en) * 1971-02-09 1973-07-25 Ferranti Ltd Enclosures having tamper proof fastenings
GB1544618A (en) * 1977-01-28 1979-04-25 Siemens Ag Synthetic resin components
AT356924B (en) * 1978-09-25 1980-06-10 Eumig TAPE CASSETTE
FR2510684A1 (en) * 1981-07-31 1983-02-04 Beugin Jean Tamper proof fastening for video cassette - comprises screws in counter-bored holes plugged with metallic washer and plastics plug carrying trade mark
GB2129773A (en) * 1982-09-28 1984-05-23 Shape Inc Tamper proof video cassette

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2540276A1 (en) * 1982-09-28 1984-08-03 Shape Inc VIDEO CASSETTE WITH ULTRASONIC SQUEEGEE

Also Published As

Publication number Publication date
GB2119753A (en) 1983-11-23
GB8312040D0 (en) 1983-06-08
JPS58165789U (en) 1983-11-04
AU1410483A (en) 1983-11-03
DE3315151A1 (en) 1983-11-03
NL8301288A (en) 1983-11-16

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