Patent ID: 11947275
Assignee: CANON KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 1:
2. The electrophotographic apparatus according to claim 1, wherein when a voltage calculated from the constants A, “m”, and τ by the following equation (E-12) is represented by V2′,, V
      2
      ′
     
     =
     
      {
      
       
        
         
          
           -
           10
          
          ×
          
           
            1
            -
            
             
              1
              -
              
               2
               ⁢
               
                
                 (
                 
                  1
                  +
                  
                   τ
                   10
                  
                 
                 )
                
                [
                
                 1
                 +
                 
                  
                   τ
                   ⁡
                   (
                   
                    1
                    -
                    
                     e
                     
                      
                       1
                       ⁢
                       0
                       ⁢
                       0
                       ⁢
                       0
                      
                      τ
                     
                    
                   
                   )
                  
                  
                   1
                   ⁢
                   0
                   ⁢
                   0
                   ⁢
                   0
                   ⁢
                   m
                  
                 
                 +
                 
                  
                   
                    τ
                    ⁡
                    (
                    
                     1
                     -
                     
                      e
                      
                       
                        1
                        ⁢
                        0
                        ⁢
                        0
                        ⁢
                        0
                       
                       τ
                      
                     
                    
                    )
                   
                   
                    1
                    ⁢
                    0
                    ⁢
                    0
                    ⁢
                    0
                    ⁢
                    m
                   
                  
                  ·
                  
                   A
                   10
                  
                 
                
                ]
               
              
             
            
           
           
            1
            +
            
             10
             /
             τ
            
           
          
         
        
        
         
          (
          
           τ
           >
           0
          
          )
         
        
       
       
        
         
          10
          ×
          
           
            1
            -
            
             
              1
              -
              
               2
               ⁢
               
                
                 (
                 
                  1
                  -
                  
                   τ
                   10
                  
                 
                 )
                
                [
                
                 1
                 +
                 
                  
                   τ
                   ⁡
                   (
                   
                    1
                    -
                    
                     e
                     
                      
                       1
                       ⁢
                       0
                       ⁢
                       0
                       ⁢
                       0
                      
                      τ
                     
                    
                   
                   )
                  
                  
                   1
                   ⁢
                   0
                   ⁢
                   0
                   ⁢
                   0
                   ⁢
                   m
                  
                 
                 -
                 
                  
                   
                    τ
                    ⁡
                    (
                    
                     1
                     -
                     
                      e
                      
                       
                        1
                        ⁢
                        0
                        ⁢
                        0
                        ⁢
                        0
                       
                       τ
                      
                     
                    
                    )
                   
                   
                    1
                    ⁢
                    0
                    ⁢
                    0
                    ⁢
                    0
                    ⁢
                    m
                   
                  
                  ·
                  
                   A
                   10
                  
                 
                
                ]
               
              
             
            
           
           
            1
            -
            
             10
             /
             τ
            
           
          
         
        
        
         
          (
          
           τ
           <
           0
          
          )
         
        
       
      
     
    
   
   
    
     (
     
      E
      -
      12
     
     )
    
   
  
 

the V1 and the V2′ satisfy a relationship of the following expression (E-13):

100V1<V2′−V1  (E-13).