| 摘要 |
A device for controlling passage in two passage directions has a blocking device for the singling of persons and a card reading unit having a slot for inserting a card, both disposed on a frame. The card reading unit, which upon validly reading the card actuates the blocking device for releasing the passage, is slewably mounted on the frame and is slewable with an actuator as to direct the card insertion slot to a person stepping in front of the blocking device from both the one or the other passage direction.
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