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US 4,285,020 AGranted
Tape cassette
AssigneeOlympus Optical Co., Ltd.
InventorMasaaki Sato
Life of this patent
Estimating the term…
Abstract
A tape cassette includes a magnetic tape having a magnetizable surface which is formed by a thin metal film. The cassette includes a ground connection therein to bear against a member of a magnetic recording and reproducing apparatus which represents a ground potential thereof when the cassette is loaded on the latter to discharge any electrostatic charge which may be formed on the magnetizable surface.
Claims11
A tape cassette containing a magnetic tape having a magnetizable surface which is formed by a thin metal film;
- characterized by the provision of a discharge, ground connection member disposed within the cassette and having a conductive contact disposed for abutment against the magnetizable surface of the magnetic tape, said ground connection member being brought into electrical contact with a member of a magnetic recording and reproducing apparatus which represents the ground potential thereof whenever the cassette is loaded on the magnetic recording and reproducing apparatus.
Dependencies are inferred from the claim text.