H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/32, 350/40
H04N 5/232 (2006.01) B25J 9/16 (2006.01)
Patent
CA 1314093
Attorney's Docket No. 8016 CAN INVENTORS: ALBIN VUICHARD, BRUNO B?HLER and TELL CAVIN INVENTION: AUTOMATIC CONTROL FOR FOCUSING A VIDEO CAMERA FOR INDUSTRIAL AND MILITARY PURPOSES ABSTRACT OF THE DISCLOSURE A video camera is used for controlling the adjustment of a manipulator unit. An object is imaged by the video camera which is optimumly focused with respect to the object as a function of the mean brightness of a predetermined image frame containing the image of the object. The focusing operation is carried out on the basis of obtaining an optimum value for the mean brightness of the image elements within the predetermined image frame enclosing the object image. The manipulator unit may contain an industrial robot for selectively adjusting either one of a workpiece or a tool acting upon a workpiece. Furthermore, the manipulator unit may contain a target tracking platform for tracking a target constituting the object imaged by the video camera. WWK/RW/ke(kencl) - 1 -
606354
Buhler Bruno
Cavi Tell
Vuichard Albin
Oerlikon-Contraves Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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