Optical data card for an exerciser

Details Optical data card for an exerciser Optical data card for an exerciser

1993-02-12

1994-03-15

Shepperd, John

Registers

Records

Laminated

235489, G06K 1902

Patent

active

052947866

ABSTRACT:
A data card for storing individual data for the use of an exerciser, such as a stationary bicycle. The data card includes a base having a transparent plate and a photo intercepting film formed on the plate for intercepting light except for a plurality of portions. A plurality of removable light stopping films each formed at least on one surface of the base at a position corresponding to the plurality of portions for stopping the passage of light through the portions. Individual data is stored by removing the light stopping film on a portion corresponding to the individual data.

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patent: 3959630 (1976-05-01), Hogberg
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patent: 4678182 (1987-07-01), Nakao et al.
patent: 4735410 (1988-04-01), Nobuta
patent: 4790528 (1988-12-01), Nakao et al.
patent: 4817940 (1989-04-01), Shaw et al.
patent: 4831242 (1989-05-01), Englehardt et al.

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