Automatic control for focusing a video camera for industrial or military purposes
CA 1314093 C · Owner: Werkzeugmaschinenfabrik Oerlikon-Buehrle Ag · Inventors: Cavi, Tell; Vuichard, Albin; Buhler, Bruno
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
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 …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 2, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.