Optical information reading apparatus and optical information reading method

An optical information reading apparatus to be attached to a movable body that moves parallel to a height direction of a one-dimensional code, the optical information reading apparatus being configured to repeatedly attempt to read the one-dimensional code along movement of the movable body, the optical information reading apparatus comprising:

• an imaging section that performs imaging;
• and
• a control section that reads the one-dimensional code contained in image data taken by the imaging section, and outputs a signal upon completion of a reading process in which the number of reading successes related to the one-dimensional code reaches a determination reference value, wherein
• the control section determines reading stability based on a reading process result after the completion of the reading process and outputs predictive maintenance information (PMI) representing a determination result.

An optical information reading method for an optical information reading apparatus that is to be attached to a movable body moving parallel to a height direction of a one-dimensional code, the optical information reading method comprising:

• performing imaging in an imaging section;
• reading the one-dimensional code contained in image data taken by the imaging section;
• outputting a signal upon completion of a reading process in which the number of reading successes related to the one-dimensional code reaches a determination reference value;
• determining reading stability during a period from the first reading success to the completion of the reading process;
• and
• outputting predictive maintenance information (PMI) representing a determination result of the reading stability.