JPH0137792B
An indication card has a plurality of apertures representing information code relating to parts to be assembled. The information code is determined by means of photodetectors of a reader and a processing unit. When the indication card is conveyed with 5 degrees of its inclination angle, no indicatio...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | An indication card has a plurality of apertures representing information code relating to parts to be assembled. The information code is determined by means of photodetectors of a reader and a processing unit. When the indication card is conveyed with 5 degrees of its inclination angle, no indication signal corresponding to the information code is produced. In order to detect the inclined indication card, there are provided a main and an auxiliary reading position detection photodetectors in the reader. The outputs of both detection photodetectors are used to determine the reading position of the indication card. The indication signal causes a corresponding one of lamps to be turned on which are provided regarding to the parts to be assembled. |
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