Patent ID: 11927733
Assignee: LETINAR CO., LTD
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The image compensation device of claim 4, wherein the array function P (x,y) of the reflective units is determined by an equation below:, P
   ⁡
   (
   
    x
    ,
    y
   
   )
  
  =
  
   
    
     ∑
     
      j
      =
      0
     
     
      
       h
       -
       1
      
      2
     
    
    
     
      ∑
      
       i
       =
       0
        
      
      
       w
       -
       1
      
     
     
      δ
      ⁡
      (
      
       
        x
        -
        
         
          w
          h
         
         ⁢
         i
        
       
       ,
       
        y
        -
        
         2
         ⁢
         
          w
          v
         
         ⁢
         j
        
       
      
      )
     
    
   
   +
      
   
    
     ∑
     
      j
      =
      0
     
     
      
       h
       -
       1
      
      2
     
    
    
     
      ∑
      
       i
       =
       0
        
      
      
       w
       -
       1
      
     
     
      δ
      ⁡
      (
      
       
        x
        -
        
         
          w
          h
         
         ⁢
         i
        
        -
        
         
          w
          h
         
         2
        
       
       ,
       
        y
        -
        
         2
         ⁢
         
          w
          v
         
         ⁢
         j
        
        -
        
         w
         v
        
       
      
      )
     
    
   
  
 

where h is a number of reflective units in a lateral direction, w is a number of reflective units in a vertical direction, wh is an interval between the reflective units in an lateral direction, wv is an interval between the reflective units in a vertical direction, δ is a Dirac delta function, and x and y are coordinate values of each of the reflective units when a plane on which the reflective units are arranged is represented in a two-dimensional coordinate system.