Magnetic card reader

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4304992
SERIAL NO

06012401

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A sensor observes a timing track along a magnetic stripe on a magnetic card and detects change in the sliding speed of the magnetic card relative to the magnetic head as a timing signal, by which reading or writing of a data signal by the magnetic head is controlled. A corner of the timing track is removable to delay the timing signal and thereby control a read-only mode. The magnetic head is mounted centrally on a leafspring to follow bends in the card.

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Patent Owner(s)

  • KABUSHIKI KAISHA SANKYO SEIKI SEISAKUSHO;BRIDGEPORT MACHINES, INC.;KABUSHIKI KAISHA SANKYO SEIKI SEISAKUSHO, 5329, SHIMOSUWA-MACHI, SUWA-GUN, NAGANO-KEN, JAPAN A CORP. OF JAPAN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobayashi, Hiromasa Tokyo, JP 3 36
Miura, Tamio Tokyo, JP 1 31

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