Telescope for geodetic instruments, particularly for video tachymeters
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 26, 2002
Grant Date -
Jan 17, 2002
app pub date -
Apr 27, 2001
filing date -
Apr 28, 2000
priority date (Note) -
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Abstract
A telescope for geodetic instruments, comprises an objective and device for generating separate beam paths for target seeking or image detection and for distance measurement. In the beam path for target seeking, a CCD camera with CCD matrix or a position-dependent photoelectric receiver arrangement (quadrant photoreceiver) is provided in a first image plane of the objective. A receiver for distance measurement is located in a second image plane of the objective. An evaluating device is connected with the CCD camera or receiver arrangement for signal evaluation and/or image evaluation. A device for generating a third, wide-angle, beam path are provided in the telescope. A supplementary objective cooperating with the objective is advantageously provided for generating the wide-angle beam path.
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