Patent ID: 11914145
Assignee: KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. The floating hologram system of claim 1, wherein the distance (ddh) between the diffuser and the holographic optical element is determined based on the focal length (fHOE) of the holographic optical element and the distance (dvh) from the holographic optical element to the virtual image according to an equation of, d
    dh
   
   =
   
    
     
      
       f
       HOE
      
      ×
      
       d
       vh
      
     
     
      
       f
       HOE
      
      +
      
       d
       vh
      
     
    
    ⁢
    
          .