Patent ID: 11935509
Assignee: nan
Field: Other consumer goods (Other fields)
Classification: CPC G | IPC G

Claim 8:
9. The apparatus of claim 1 where the associated key pitch array comprises a plurality of key pitch array segments, each key pitch array segment spanning a first neutral pitch fc having a frequency flower and a second neutral pitch having a second frequency fupper, the touchscreen having a number D of units of resolvable touchscreen positions in the key pitch array segment, each key pitch array segment containing frequency data according to approximately, f
    ⁡
    (
    i
    )
   
   =
   
    fc
    +
    
     
      (
      
       
        f
        upper
       
       -
       
        f
        lower
       
      
      )
     
     
      i
      /
      D
     
    
   
  
  ,, where i is an index into the key pitch array segment.