The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 29, 2006
Filed:
Dec. 14, 2001
Joachim Keitel, Bruchköbel, DE;
Uwe Gampe, Duisburg, DE;
Jörg Eduard Hartge, Gelnhausen, DE;
Matthias Helten, Söhrewald, DE;
Rudolf Marka, Frankfurt, DE;
Joachim Keitel, Bruchköbel, DE;
Uwe Gampe, Duisburg, DE;
Jörg Eduard Hartge, Gelnhausen, DE;
Matthias Helten, Söhrewald, DE;
Rudolf Marka, Frankfurt, DE;
Heraeus Med GmbH, Hanau, DE;
Abstract
For the video recording of a field illuminated by a lamp, especially a surgical lamp, where at least one light beam for illuminating the field emerges from a light exit area of a lamp housing in the direction of a predetermined housing axis, the optical axis of a video camera mounted with freedom to swivel a certain distance away from the exit point of the light beam is shifted automatically by a positioning element until the axis at least approximately intersects the light beam in the area of the illuminated field. The positioning element is driven by signals from a control unit. The video camera is preferably shifted in a stepwise manner. The distance to the illuminated field is determined by the fine focusing of the camera by the autofocus function, and then signals are transmitted from the control unit to the positioning element of the camera to compensate for the parallax between the optical axis of the camera and the light beam or beams emerging from the lamp.