| 摘要 |
An optical character reader comprises a scanner including an image sensor and a binary encoding circuit for converting an output analog signal from the image sensor into a binary signal, a character recognizing means for recognizing each character in a range of view of the image sensor and outputting positional information and a result of recognition, a field selecting means for selecting and outputting a perfect field which is perfectly contained in the range of view of the image sensor on the basis of the positional information and the result of recognition, a format check means for judging whether the perfect field is in accord with a predetermined format or not, and an output judging means for outputting the perfect field being in accord with the predetermined format. |
