Title:
A code sign reading device, a code sign reading method, and a program
Document Type and Number:
Japanese Patent JP5940923
Kind Code:
B2
Abstract:
A code symbol reading apparatus, that reads a code symbol on an object to be read by scanning the object, repeats trial to read the code symbol until the apparatus succeeds in reading, while changing a transmission frequency of a filter that processes a signal representing a light intensity variation obtained through the scan and in which transmittance depends on a frequency of the signal.
Inventors:
Kimura alone
Shiki Dan
Shiki Dan
Application Number:
JP2012157073A
Publication Date:
June 29, 2016
Filing Date:
July 13, 2012
Export Citation:
Assignee:
Optoelectronics Co., Ltd.
International Classes:
G06K7/10; G06K7/14
Domestic Patent References:
| JP2005004511A | ||||
| JP3233692A |
Foreign References:
| US6874688 |
Attorney, Agent or Firm:
Yutaka Osawa
Kei Osawa
Kei Osawa