Photogrammetric camera

Abstract

A photogrammetric camera for airborne or spaceborne terrain recording includes several electro-optical sensors which can be arranged at a distance from each other in the flight direction and which 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.

1 . A photogrammetric camera for airborne or spaceborne terrain sensing, comprising a plurality of electro-optical sensors arranged to be spaced from each other in a flight direction that scan an overflown terrain and record scanned terrain regions at least twice from a respectively different perspective, in which said plurality of electro-optical sensors comprise at least two surface detectors, 
 further comprising a motor-pivotable deflecting mirror, associated with each of said surface detectors for compensation of flight motion during exposure of said plurality of electro-optical sensors, in which said electro-optical sensors comprise three surface detectors.    
     
     
         2 . A photogrammetric camera for airborne or spaceborne terrain sensing, comprising a plurality of electro-optical sensors arranged to be spaced from each other in a flight direction that scan an overflown terrain and record scanned terrain regions at least twice from a respectively different perspective, in which said plurality of electro-optical sensors comprise at least two surface detectors, 
 further comprising a motor-pivotable deflecting mirror, associated with each of said surface detectors for compensation of flight motion during exposure of said plurality of electro-optical sensors, in which said surface detectors are rectangular in shape and have a ratio of a dimension in said flight direction to a dimension transversely of said flight direction in a range of about 1:2 up to about 1:10.    
     
     
         3 . A photogrammetric camera for airborne or spaceborne terrain sensing, comprising a plurality of electro-optical sensors arranged to be spaced from each other in a flight direction that scan an overflown terrain and record scanned terrain regions at least twice from a respectively different perspective, in which said plurality of electro-optical sensors comprise at least two surface detectors, 
 further comprising a motor-pivotable deflecting mirror, associated with each of said surface detectors for compensation of flight motion during exposure of said plurality of electro-optical sensors, in which said surface detectors include a plurality of monolithic individual surface detectors that optically abutt transversely of said flight direction.    
     
     
         4 . The photogrammetric camera according to  claim 3 , in which each of said surface detectors includes three monolithic individual surface detectors and three camera objectives each respectively associated with one of said individual surface detectors with optical axes that run mutually obliquely.  
     
     
         5 . A photogrammetric camera for airborne or spaceborne terrain sensing, comprising a plurality of electro-optical sensors arranged to be spaced from each other in a flight direction that scan an overflown terrain and record scanned terrain regions at least twice from a respectively different perspective, in which said plurality of electro-optical sensors comprise at least two surface detectors, further comprising a motor-pivotable deflecting mirror, associated with each of said surface detectors for compensation of flight motion during exposure of said plurality of electro-optical sensors, in which said surface detectors comprise CCD detectors.  
     
     
         6 . The photogrammetric camera according to  claim 5 , in which said surface detectors have respectively about 1,024 sensor lines directly adjoining in said flight direction, with respectively about 2×1,024 to about 9×1,024 individual pixels, each of said individual pixels being about 12 μm×12 μm in length and width.  
     
     
         7 . A photogrammetric camera for airborne or spaceborne terrain sensing, comprising a plurality of electro-optical sensors arranged to be spaced from each other in a flight direction that scan an overflown terrain and record scanned terrain regions at least twice from a respectively different perspective, in which said plurality of electro-optical sensors comprise at least two surface detectors, 
 further comprising a motor-pivotable deflecting mirror, associated with each of said surface detectors for compensation of flight motion during exposure of said plurality of electro-optical sensors,    further comprising a separate camera objective associated with each of said surface detectors, said camera objectives having optical axes that run mutually obliquely.    
     
     
         8 . A photogrammetric camera for airborne or spaceborne terrain sensing, comprising: 
 a plurality of electro-optical sensors arranged to be spaced from each other in a flight direction that scan an overflown terrain and record scanned terrain regions at least twice from a respectively different perspective, in which 
 said plurality of electro-optical sensors comprise three surface detectors,  
 further comprising a separate camera objective associated with each of said surface detectors, said camera objectives having optical axes that run mutually obliquely.  
   
     
     
         9 . A photogrammetric camera for airborne or spaceborne terrain sensing, comprising: 
 a plurality of electro-optical sensors arranged to be spaced from each other in a flight direction that scan an overflown terrain and record scanned terrain regions at least twice from a respectively different perspective, in which 
 said plurality of electro-optical sensors comprise at least two surface detectors, and in which said surface detectors are rectangular in shape and have a ratio of a dimension in said flight direction to a dimension transversely of said flight direction in a range of about 1:2 up to about 1:10,  
 further comprising a separate camera objective associated with each of said surface detectors, said camera objectives having optical axes that run mutually obliquely.  
   
     
     
         10 . A photogrammetric camera for airborne or spaceborne terrain sensing, comprising: 
 a plurality of electro-optical sensors arranged to be spaced from each other in a flight direction that scan an overflown terrain and record scanned terrain regions at least twice from a respectively different perspective, in which 
 said plurality of electro-optical sensors comprise at least two surface detectors, in which  
 said surface detectors include a plurality of monolithic individual surface detectors that optically abutt transversely of said flight direction,  
 further comprising a separate camera objective associated with each of said surface detectors, said camera objectives having optical axes that run mutually obliquely.  
   
     
     
         11 . The photogrammetric camera according to  claim 10 , in which each of said surface detectors includes three monolithic individual surface detectors and three camera objectives each respectively associated with one of said individual surface detectors with optical axes that run mutually obliquely.  
     
     
         12 . A photogrammetric camera for airborne or spaceborne terrain sensing, comprising: 
 a plurality of electro-optical sensors arranged to be spaced from each other in a flight direction that scan an overflown terrain and record scanned terrain regions at least twice from a respectively different perspective, in which 
 said plurality of electro-optical sensors comprise at least two surface detectors, and in which said surface detectors comprise CCD detectors,  
 further comprising a separate camera objective associated with each of said surface detectors, said camera objectives having optical axes that run mutually obliquely.  
   
     
     
         13 . The photogrammetric camera according to  claim 12 , in which said surface detectors have respectively about 1,024 sensor lines directly adjoining in said flight direction, with respectively about 2×1,024 to about 9×1,024 individual pixels, each of said individual pixels being about 12 μm×12 μm in length and width.