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Photogrammetric camera, in particular for photogrammetric measurements of technical objects
   
Document Number
US Patent 5721611
Issued Date
February 24, 1998
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Abstract
A photogrammetric camera, in particular for photogrammetric measurements of technical objects, has a primary lens system (10) designed as a focussable objective and a combination of at least one high-resolution sensor (12, 14, 16) and a lens unit (18, 20, 22) which acts as a secondary lens system for producing an enlarged section of the focal plane of the primary objective on the high-resolution sensor. The secondary objective and the high-resolution sensor are movable across the optical axis (26) of the primary objective. High-resolution distance measurement devices (28, 30) which detect the distance between the projection center of the secondary objective and a reference point of the high-resolution sensor on the one hand and the optical axis of the primary objective on the other hand are associated to the secondary objective and to the high-resolution sensor.
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Photogrammetric camera, in particular for photogrammetric measurements of technical objects - US Patent 5721611 Drawing
Drawing from US Patent 5721611
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Number of Claims:
22
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Owner
Published
February 24, 1998
Application Number
08/505,209
Filed
September 6, 1995
US Classification
356/3.16   348/357 348/374 356/624
Int'l Classification
G01C   11/00   (20060101)   G01C   11/02   (20060101)   G01B   11/00   (20060101)   G03B   37/02   (20060101)   G03B   37/00   (20060101)   H04N   5/225   (20060101)  
Examiner
Priority Data
Feb 15, 1993 [DE] 43 04 529.4
USPTO Field of Search
348/357   348/374   356/373   356/375   356/3.16  
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A photogrammetric camera for airborne or spaceborne terrain recording includes several electro-optical sensors that can be arranged at a distance from each other in the flight direction. The electro-optical sensors scan the overflown terrain and record each scanned terrain region at least twice from a respectively different perspective. At least two surface detectors are provided as the electro-optical sensors.

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