Registers – Coded record sensors – Particular sensor structure
Patent
1994-08-10
1996-02-13
Shepperd, John
Registers
Coded record sensors
Particular sensor structure
235446, G06K 704, G06K 708
Patent
active
054913276
ABSTRACT:
An encoder of magnetic credit cards and the like includes a slot for the movement of a medium therealong where the slot is wider than the thickness of the medium. Cosequently, the medium may tilt with respect to the planes of the side walls defining the slot. Such an encoder includes a timing wheel which ensures proper encoding of data on the medium even if the medium tilts with respect to the planes of the side walls. To this end, an encoder herein includes a suspension for the timing wheel which permits the wheel to tilt to conform to any tilt assumed by a medium advancing in the slot. A leaf spring of unique design permits the requisite tilt to be realized and has been found to have surprising strength so as to permit the suspension of not only the timing wheel but also a printed circuit board to which the timing wheel may be mounted.
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patent: 4585929 (1986-04-01), Brown et al.
patent: 4593328 (1986-06-01), Baus, Jr.
patent: 4598479 (1986-07-01), Baus
patent: 4731685 (1988-03-01), Orcutt
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American Magnetics Corporation
Le Thien Minh
Shapiro Herbert M.
Shepperd John
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