G - Physics – 01 – N
Patent
G - Physics
01
N
150/26, 150/9
G01N 33/52 (2006.01) G01N 21/29 (2006.01) G01J 3/52 (2006.01) G01N 21/01 (2006.01) G01N 21/86 (2006.01)
Patent
CA 1324069
ABSTRACT OF THE DISCLOSURE A test sample color comparison device is disclosed which has a casing unit with an insertion slot for inserting a color test sample therein, and a display section for displaying the color test sample adjacent at least one of a plurality of reference color shades, as the reference color shades are successively moved into position adjacent the color test sample by a manipulation wheel. When an operator determined that a reference color shade adjacent the test sample corresponds in color to the color of the test sample, he pushes a switch to cause a readout of stored information corresponding to the reference color shade then adjacent the test sample. Readout of the stored information is based on a bit pattern set by a plurality of converter switches which are turned on and off in different patterns which correspond to the different color shades as the reference color shades are moved into position by the manipulation wheel. An uneven pattern code section moves in association with the manipulable wheel and actuates the converter switches. A preferred uneven pattern code section is arranged so that all of the converter switches are actuated roughly equally during a full rotation of the manipulable wheel, and so that only one of the converter switches is switched on or off during incremental movement of the manipulable wheel.
582652
Herpichboehm Bernd Georg
Makita Shigeru
Ota Hiroyuki
Sierra George Harold
Summers Robert Bruce
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Boehringer Mannheim Corporation
Omron Tateisi Electronics Co.
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