Inspection chip for sensor measuring instrument
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United States of America Patent
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-
Sep 21, 2004
Issued Date -
N/A
app pub date -
Dec 12, 2001
filing date -
Feb 18, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A check chip of the present invention employed at a usage of a sensor measuring device is provided with a structural characterizing portion of a convex shape, concave shape or a penetration hole at a location, by which a user is considered to pick up, and the state of the structural characterizing portion is made to be different from that of a structural characterizing portion provided on a correction chip which is similar to the check chip, in a size, the number of the structural characterizing portions, or placement location. According to the check chip constructed as above, the difference from the correction chip can be easily identified even by a visually handicapped person or a weak-sighted person, according to the difference in the structural characterizing portion, from the touch, thereby preventing the person from using the check chip and the correction chip with confused.
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