Abstract: In a method or device for dosing toner material in an electrophotographic printer or copier, toner material is introduced into at least one bucket chamber rotatably arranged in an opening at a bottom of a toner reservoir. The bucket chamber has a paddle wheel which seals the opening of the toner reservoir. As the paddlewheel rotates, toner material in the bucket chamber is conveyed into a region. The toner material conveyed from the paddlewheel is further conveyed with a screw conveyor. Also a toner reservoir is provided having a toner removal opening shaped to accommodate at least a portion of a paddlewheel.

Abstract: A method for measuring flatness of a factory floor upon which machinery is to be mounted using a rotating laser beam that emits a rotating laser beam in an essentially horizontally plane. A photosensitive position sensor delivers an electrical pulse, which is identified by its timing and phase angle, during illumination by the laser beam. The phase angle and timing of these pulses constitute a measure of the position of the sensor in the coordinate system. Measurements are taken with the sensor positioned at each location at which the machinery is to be fixed to a factory floor. The method determines any differences in height between the measurement points and the amount, if any, that the floor needs to be adjusted at each mounting point to insure that a machine that is affixed to the floor these points will be level.

Abstract: In a method and device to separate toner material and air from a toner material-air mixture, and first operating phase at toner material-air mixture is supplied to a filter so that air flows through the filter in a first direction. In a second operating phase, the flow of air through the filter in a first direction is interrupted such that toner material deposited on the filter is loosened. In a second operating phase, air flows through the filter in a direction approximately opposite to the first direction. Also in a method device for dosing toner material in an electrophotographic printer or copier, toner material is introduced into at least one bucket chamber rotatably arranged in an opening at a bottom of a toner reservoir. The bucket chamber has a paddle wheel which seals the opening of the toner reservoir. As the paddlewheel rotates, toner material in the bucket chamber is conveyed into a region. The toner material conveyed from the paddlewheel is further conveyed with a screw conveyor.

Abstract: A method for measuring flatness of a factory floor upon which machinery is to be mounted using a rotating laser beam that emits a rotating laser beam in an essentially horizontally plane. A photosensitive position sensor delivers an electrical pulse, which is identified by its timing and phase angle, during illumination by the laser beam. The phase angle and timing of these pulses constitute a measure of the position of the sensor in the coordinate system. Measurements are taken with the sensor positioned at each location at which the machinery is to be fixed to a factory floor. The method determines any differences in height between the measurement points and the amount, if any, that the floor needs to be adjusted at each mounting point to insure that a machine that is affixed to the floor these points will be level.

Abstract: A position measuring device with a rotating laser beam includes a laser transmitter that is positioned in a polar coordinate system and emits at least one rotary laser beam in an essentially horizontally lying plane. A photosensitive position sensor delivers an electrical pulse, which is identified by length in time and phase angle, during illumination by the rotating laser beam. The phase angle and length in time of these pulses constitute a measure of the angular position and the radial distance of the sensor in the indicated polar coordinate system. Measurements are taken with the sensor generally positioned at predefined locations. The device determines the difference between the actual measurement point and the predefined target measurement point and adjusts the measurement data accordingly. The adjusted data is used to determine the flatness of a surface.

Abstract: A method and arrangement for determining the level of at least two measurement points with a light beam direct along a first direction and being deflected through 90° with respect to the first direction to a second direction, the second direction being rotated through a rotation angle corresponding to the position of the measurement point about an axis which is formed by the first direction. The light beam has a cross-sectional intensity distribution with a preferred direction, and after being deflected to the second direction, falls on a detector surface which is positioned successively at each measurement point, the incidence level of the light beam and the orientation of the preferred direction of the cross-section intensity distribution of the light beam on the detector surface being determined for each measurement point, and the rotation angle for each measurement point being determined from the respective orientation of the preferred direction on the detector surface.

Abstract: A method and arrangement for determining the level of at least two measurement points with a light beam direct along a first direction and being deflected through 90° with respect to the first direction to a second direction, the second direction being rotated through a rotation angle corresponding to the position of the measurement point about an axis which is formed by the first direction. The light beam has a cross-sectional intensity distribution with a preferred direction, and after being deflected to the second direction, falls on a detector surface which is positioned successively at each measurement point, the incidence level of the light beam and the orientation of the preferred direction of the cross-section intensity distribution of the light beam on the detector surface being determined for each measurement point, and the rotation angle for each measurement point being determined from the respective orientation of the preferred direction on the detector surface.