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US 6,147,836 AGranted
Tape cassette having visible display of remaining tape
AssigneeSony Corporation
InventorsHirokazu Odagiri, Kenichi Hirose
Life of this patent
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Abstract
A tape cassette having such a structure that a pattern is printed on a surface of a transparent or semi-transparent cassette housing, a scale display portion which becomes a yardstick for a remaining volume for a tape is formed on the lowest layer of this pattern printing portion and this scale display portion can penetratingly be seen from a surface of an opposite side of the cassette housing.
Claims9
A tape cassette comprising:
- a pattern printed on a surface of a side of a transparent or semitransparent cassette housing;
- wherein a scale display portion of said pattern is visible from a surface of an opposite side of the cassette housing, said pattern is printed on the cassette housing by way of thermal transfer printing, and a stripping layer which is an upper layer of said pattern works as a protection layer.
A method of printing a pattern onto tape cassette having a transparent housing, comprising:
- pressing a thermal transfer film coated with an adherent layer onto the transparent cassette housing with a thermal transfer roller;
- melting an adherent layer thus tightly adhering said layer to the transparent cassette housing, where said melting is performed by said thermal transfer roller;
- pulling said thermal transfer film in a direction away from transparent cassette housing;
- thereby
- transferring a portion of a stripping layer and said adherent layer to the transparent cassette housing;
- whereby a scale display portion of said pattern is visible from a surface of an opposite side of the transparent cassette housing.
3 more elements
Dependencies are inferred from the claim text.