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:
May. 29, 2001
Filed:
Jul. 09, 1999
Carl Zeiss Jena GmbH, Jena, DE;
Abstract
An electronic level comprising a clinometer, an image receiving device having a telescope with an objective and with a CCD receiver matrix and with a screen for displaying the image of a graduated staff which is set up at a target and provided with a coded graduation. A vertical axis is rotatable about the level. A leveling device is included for alignment and rough leveling of the level with respect to the graduated staff. An input unit is provided for entering measurement data. A power supply unit and a computer is included for processing the measurement data, calculating measurement values and for image evaluation. The image receiving device comprises a CCD receiver matrix which is preferably operated in video clock. The objective or the CCD receiver matrix is arranged in a fixed position relative to the vertical axis, and objective and CCD receiver matrix are adjustable relative to one another, and the clinometer is assigned in a fixed manner for measuring the deviation of the position of a sighting axis relative to the horizon, wherein the sighting axis is formed by a center pixel of the CCD receiver matrix.