Abstract: A color comparison device uses a rotatable color sample-bonding wheel to hold a sticker containing a plurality of color shades for matching with a color of a test portion of a test stick as the wheel rotates. At least one recess is formed in a part of the sticker bonding surface of the wheel to permit access to an edge of the sticker to facilitate its removal from the wheel.
Type:
Grant
Filed:
February 28, 1989
Date of Patent:
January 1, 1991
Assignee:
Omron Tataesi Electronics Co.
Inventors:
Toshiyuki Kobayashi, Shigeru Makita, Hiroyuki Ota