Security magnetic tape cartridge for use in electronic article surveillance systems

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5253821
SERIAL NO

07844136

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Abstract

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A security cartridge for magnetic tape recording media especially adapted for use with an electronic article surveillance system. The security cartridge includes a cartridge casing defining an internal, tape receiving chamber, a reel of magnetic tape windably carried within the chamber and a pair of orthogonally oriented magnetic markers carried within the internal chamber by a marker carrier bracket. The carrier bracket includes a pair of bracket leaves that present first and second generally orthogonally oriented, generally planar marker mounting surfaces, and engagement margins for operably, abutably engaging the internal structure of the cartridge chamber to position the carrier bracket within the chamber.

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Patent Owner(s)

Patent OwnerAddress
MINNESOTA MINING AND MANUFACTURING COMPANYP O BOX 33427 ST PAUL MN 55133-3427

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Johnson, Michael W Cottage Grove, MN 121 5040

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