Patent ID: 8791997

Claim:
A device for non-contact recording of spatial coordinates of a surface, comprising: a sensor head designed as a portable hand-held device, the sensor head including a projector with an imaging element, a projection lens and at least one camera, the projection lens projecting a variable pattern, which is generated on the imaging element, towards a surface, the at last one camera observing the surface; a control unit connected to the sensor head, the control unit designed as a portable device, the control unit including an arrangement actuating the imaging element, triggering recording by the at least one camera and processing image data produced by the at least one camera; a cable connection connecting the sensor head and the control unit, the cable connection including a current supply line, a line actuating the imaging element, a line connection transmitting camera signals from the at least one camera to the control unit and transmitting control signals from the control unit to the at least one camera and signal lines transmitting a trigger signal to the control unit; an electrochemical energy arrangement storing an energy supply of the sensor head and the control unit, the arrangement being situated in the control unit; a base unit separated spatially from the control unit and the sensor head; a wireless arrangement allowing a wireless data exchange between the base unit and one of the control unit and the sensor head; and a stationary linking camera connected to the base unit, wherein the wireless arrangement includes a channel transporting control signals in order to synchronize triggering of the at least one camera and the linking camera, the linking camera being configured to record the surface with the projected pattern synchronously with the recording of the sensor head, wherein the base unit is configured to calibrate the sensor head for each one of variable positions of the sensor head by using virtual patterns recorded by the stationary linking camera as virtual pass marks, wherein the cable connection is the only external cable connection of the sensor head and of the control unit.