Abstract: A turnstile personnel access-control device (1) has one or more blocking arms (2, 3) connected to a drive element (5) mounted on a carrier (4) such that the blocking arms are rotatable about a main axis or shaft (11). The blocking arms (2, 3) assume a blocking position and at least one free position in dependence upon the rotation of the drive element (5). Each blocking arm (2, 3) includes a flat component (6, 7) that is mounted to rotate about a longitudinal axis (8, 9) thereof in dependence upon the rotation of the drive element (5). In the blocking position of the blocking arms (2, 3), one such flat component assumes a pre-defined angular position with respect to the vertical, whereas in the free position, this flat component (6, 7) is rotated such that passage of a person is allowed.

Abstract: A 2D barcode scanner (1) comprises a housing (2) having a reading window (3) and a digital camera (4) arranged in the housing (2) for detecting the area of the reading window (3) either directly or via a deflecting mirror arrangement (8, 9). At least one external light source (5) is provided for illuminating an area in front of the reading window (3) in the housing (2), at the side of the reading window (3) that is facing away from the digital camera (4). At least one external light source (5) is provided with an optical adapter (7) by which the light therefrom is distributed, such that the reflection paths are not illuminated at the inside of the reading window (3) back into the camera (4), or are illuminated with a very low intensity. This avoids or significantly reduces the intensity of the light reflections that arise on the inside of the reading window (3) and are superimposed on the barcode that is to be read as very bright spots in the image of the digital camera (4).

Abstract: A housing for an access control device for people or motor vehicles, a parking column, a vending machine and/or a payment machine has at least one portion made of a transparent material. When the housing is in the assembled state, the inner side of the transparent portion or portions is provided with at least one of a paint coating, a foil and an adhesive label that, with the exception of the housing shape, are determinative features of the housing appearance.

Abstract: A 2D barcode scanner (1) comprises a housing (2) having a reading window (3) and a digital camera (4) arranged in the housing (2) for detecting the area of the reading window (3) either directly or via a deflecting mirror arrangement (8, 9). At least one external light source (5) is provided for illuminating an area in front of the reading window (3) in the housing (2), at the side of the reading window (3) that is facing away from the digital camera (4). At least one external light source (5) is provided with an optical adapter (7) by which the light therefrom is distributed, such that the reflection paths are not illuminated at the inside of the reading window (3) back into the camera (4), or are illuminated with a very low intensity. This avoids or significantly reduces the intensity of the light reflections that arise on the inside of the reading window (3) and are superimposed on the barcode that is to be read as very bright spots in the image of the digital camera (4).

Abstract: A personnel access-control device in the form of a turnstile (1) has one or more blocking arms (2, 3) connected to a main shaft (5) mounted in a carrier (4). The blocking arms (2, 3) assume a blocking position and at least one free position in dependence upon the rotation of the main shaft (5). Each blocking arm (2, 3) includes a flat component (6, 7) that is mounted to rotate about its longitudinal axis (8, 9) in dependence upon the rotation of the main shaft (5). In the blocking position of the blocking arms (2, 3), a pre-defined angular position of the flat component (6, 7) with respect to the perpendicular direction is achieved, and in the free position, the flat component (6, 7) is rotated such that passage of a person is allowed and/or that the passage width is not limited.

Abstract: A method serves to determine the 3D coordinates of an object. The 3D coordinates of a partial surface (6) of the object are determined by a 3D measuring device (3), which includes one or more detectors (4) and whose position is determined by a tracking system. The 3D coordinates of an adjacent partial surface (7) of the object are determined by the 3D measuring device (3). The 3D coordinates of an overlap region of the adjacent partial surfaces (6, 7) are put together by a matching method. In doing so, an error function is determined and minimized iteratively. Furthermore, the error function of a detector (4) of the 3D measuring device (3) is determined.