Patent ID: 11879973
Assignee: INSIGHTEC LTD.
Field: Medical technology (Instruments)
Classification: CPC G  A | IPC A  G

Claim 13:
14. The system of claim 12, wherein the consistency function satisfies at least one of the equations:, f
    ⁡
    (
    
     
      r
      ′
     
     
      →
      "\[Rule]"
     
    
    )
   
   =
   
    
     ❘
     "\[LeftBracketingBar]"
    
    
     
      
       ∑
       
        all
        ⁢
           
        elements
       
      
      
       W
       ×
       
        e
        
         -
         
          
           i
           ⁢
           ω
          
          (
          
           
            t
            1
           
           -
           
            t
            2
           
           -
           
            dr
            c
           
          
          )
         
        
       
      
     
     
      
       ∑
       
        all
        ⁢
           
        elements
       
      
      W
     
    
    
     ❘
     "\[RightBracketingBar]"
    
   
  
  ,
 

 
  
   
    f
    ⁡
    (
    
     
      r
      ′
     
     
      →
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    )
   
   =
   
    
     ❘
     "\[LeftBracketingBar]"
    
    
     
      
       ∑
       
        all
        ⁢
           
        elements
       
      
      
       W
       ×
       
        e
        
         -
         
          i
          ⁡
          (
          
           
            φ
            1
           
           -
           
            φ
            2
           
           +
           
            ω
            ⁡
            (
            
             dr
             c
            
            )
           
          
          )
         
        
       
      
     
     
      
       ∑
       
        all
        ⁢
           
        elements
       
      
      W
     
    
    
     ❘
     "\[RightBracketingBar]"
    
   
  
  ,, where W denotes a weighting factor; ω=2πƒ, ƒ represents the frequency associated with the two reflection signals; c is the average sound velocity in the target area;  is the geometrical location of the ith transient reflector; r′=−; ti is the travel time of the ith transient reflector; φ1 and φ2 denote the phases associated with the two reflection signals, and dr≡||−||, || and || are element-dependent variables that denote distances between one of the transducer elements measuring the two reflection signals and the transient acoustic reflectors associated with the two reflection signals, respectively.