Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having a component wherein a constituent is liquid...
Reexamination Certificate
1997-07-31
2002-05-21
Hess, Bruce H. (Department: 1774)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having a component wherein a constituent is liquid...
C283S082000, C428S354000
Reexamination Certificate
active
06391439
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a rewritable indication label for a recording medium, a recording medium, and a recording medium case, more specifically a rewritable indication label for a recording medium which can rewritably indicate information in images visible and readable to man, a recording medium and a recording medium case.
Recently various recording materials typically exemplified by magnetic memories, IC memories, etc. have been proposed, and are used in various fields as recording media for letters, figures, signs, sounds, pictures, etc. Such recording media bear labels, etc. on which titles, file names, names, dates and other matters are printed to indicate contents, etc. recorded therein.
Usually such labels have required matters of the recording media printed on the surfaces and are adhered to the packaging cases of the recording media or the surfaces of recording media, such as disks, etc. by means of adhesives after the releasable sheets or others are peeled off.
In some of such recording media information can be written and erased as required. For example, music pieces or others recorded in the recording media can be erased to record different music pieces, or different music pieces are additionally recorded.
When contents of the recording media are replaced, or written or erased as required, printed matters on the labels adhered to the recording media must be accordingly replaced, or written or erased.
However, in such labels, very inconveniently matters once printed on blanks thereof with ball-point pens, fountain pens, etc. cannot be easily erased. It is not exaggerated that matters printed on such labels cannot be rewritten or erased as required.
It is usual to replace used labels by new ones, or to additionally print new matters on blanks thereof if any. This is very inconvenient.
SUMMARY OF THE INVENTION
In view of the above, the present invention is to provide a label for a recording medium which can indicate information visibly and readably to man, and can erase and rewrite information, a recording medium, and a recording medium case.
The inventors of the present invention made various studies to solve the above-described disadvantages. In view of the fact that some magnetic recording layers and heat-sensitive recording layers can be rewritably printed visibly, they applied this fact to an indication label and produced a rewritable indication label for a recording medium which comprises a label base layer, a rewritable indication device layer provided on the label base layer, on which visible information can be rewritably recorded or erased, and a protection layer provided on the rewritable indication device layer for protecting the rewritable indication device layer, and found that a man can visually see and read the information, and can rewrite and erase the information on the rewritable indication device label. Based on this finding, they made the present invention.
That is, the present invention relates to a rewritable indication label for a recording medium comprising a label base layer, a rewritable indication device layer provided on the label base layer, which can rewritably record and erase visible information, and a protection layer provided on the rewritable indication device layer, for protecting the rewritable indication device layer, and a recording medium and a recording medium case.
REFERENCES:
patent: 4098935 (1978-07-01), Knudsen
patent: 4701372 (1987-10-01), Akiyama et al.
patent: 4948450 (1990-08-01), Huerter et al.
patent: 5006422 (1991-04-01), Sakurai
patent: 5376616 (1994-12-01), Hamano et al.
patent: 0 790 617 (1997-08-01), None
patent: 07-192104 (1995-07-01), None
patent: 07-271315 (1995-10-01), None
patent: 08-2159 (1996-01-01), None
patent: 08-132771 (1996-05-01), None
patent: 08-297470 (1996-11-01), None
patent: WO 92/22434 (1992-12-01), None
Dai Nippon Printing Co. Ltd.
Hess Bruce H.
Parkhurst & Wendel L.L.P.
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