Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Tape record
Reexamination Certificate
1997-06-19
2001-01-16
Miller, Brian E. (Department: 2754)
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Tape record
Reexamination Certificate
active
06175468
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a reproducing apparatus provided with a rotatable shutter for closing a cartridge-holder opening.
FIG. 8
shows a conventional reproducing apparatus provided with a rotatable shutter for closing a cartridge-holder opening, which can reproduce tapes of small and large cartridges. This reproducing apparatus
101
is provided with a rotatable shutter
104
for closing a cartridge-holder opening
103
. The rotatable shutter
104
is constructed such that, when inserting a small cartridge
201
or a large cartridge
202
into the cartridge-holder opening
103
, it is pressed by the cartridge and is rotated in the inserting direction thereof to open the cartridge-holder opening
103
, and when removing the small or large cartridge
201
,
202
through the cartridge-holder opening
103
, it is automatically rotated in the opposite direction to close the cartridge-holder opening
103
.
With the conventional reproducing apparatus
101
, however, since the size of the cartridge-holder opening
103
is determined in accordance with that of the large cartridge
202
, it is too large for the small cartridge
201
, often causing a positional displacement when inserting the small cartridge
201
. The fact that the cartridge-holder opening
103
is closed by the rotatable shutter
104
makes more difficult an insertion of the small cartridge
201
in the normal position.
If the small cartridge
201
positionally displaced is loaded into a cartridge holder, component parts such as a magnetic head disposed therein may be damaged, resulting in impossible accurate reproduction.
It is, therefore, an object of the present invention to provide a reproduction apparatus which allows an insertion of the small cartridge in the normal position.
SUMMARY OF THE INVENTION
According to one aspect of the present invention, there is provided a reproducing apparatus with an opening for receiving first and second cartridges, the first cartridge being larger in width than the second cartridge, comprising:
a first shutter arranged to close the opening, said first shutter being rotated in a cartridge-inserting direction when inserting one of the first and second cartridges so as to open the opening; and
a second shutter disposed in front of said first shutter with respect to said cartridge-inserting direction, said second shutter restraining a position of the second cartridge with respect to the opening.
Another aspect of the present invention lie in providing a reproducing apparatus with an opening for receiving first and second cartridges, the first cartridge being larger in width than the second cartridge, comprising:
means for closing the opening, said closing means being rotated in a cartridge-inserting direction when inserting one of the first and second cartridges so as to open the opening; and
means, disposed in front of said closing means with respect to said cartridge-inserting direction, for restraining a position of the second cartridge with respect to the opening.
REFERENCES:
patent: 4786996 (1988-11-01), Ohtani et al.
patent: 5046169 (1991-09-01), Tsujino
patent: 5237470 (1993-08-01), Sasaki et al.
patent: 5386329 (1995-01-01), Ikegawa
patent: 5408459 (1995-04-01), Kawaguchi et al.
patent: 5480103 (1996-01-01), Gerfast et al.
patent: 5606471 (1997-02-01), Inoue et al.
patent: 5706146 (1998-01-01), Ono et al.
patent: 5757579 (1998-05-01), Koizumi
Iwama Takanobu
Koizumi Osamu
Limbach & Limbach L.L.P.
Miller Brian E.
Oh Seong-Kun
Sony Corporation
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