| 摘要 |
For the purpose of determining the shape of a container and to be able to differentiate the same from other containers, a light beam (6) is directed onto the container to produce light beams which are reflected in a different way (7, 8), according to the shape of said container. The light beams so reflected are individually received or not received by light-sensitive sensors (10, 11). From the sensor outlet signals (10, 11) a shape can be produced, thereby showing the bottle type.
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