Data symbol reader with an observation window
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 13, 2000
Grant Date -
N/A
app pub date -
Jun 5, 1997
filing date -
Jun 6, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A data symbol reader for reading a data symbol formed on a reading surface which includes: a head portion which is placed on the reading surface to cover the data symbol when reading the data symbol; an image pick-up device on which an image of the data symbol is to be formed; and an image-forming optical system for leading light reflected on the data symbol to the image pick-up device to form the image of the data symbol on the image pick-up device. The head portion includes an enclosing portion for enclosing the data symbol while an open end of the enclosing portion contacts the reading surface. The enclosing portion includes a light transmissive member through which the inside of the enclosing portion is visible from the outside of the enclosing portion. The light transmissive member is inclined by a predetermined angle with respect to an optical axis of the image-forming optical system.
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