[IMG]
sensor_1.jpg

 ,        ,               .                ,       .

  ,             ,   ,          .            ,    .

  ,      ,     ,     .            .            ,      . ,            .

[IMG]
sensor_2.png

  1970                    .     ( 1974 )     ,       .    Elograph,      ,    .     Elographics,   Elo TouchSystems.     ,         .

        -            ,   .         .

 ,   , : ,     ;    ;   Siemens,    1982 ;  HP-150,      -;   Nintendo DS.   ,   ,  iPhone.
