Patent ID: 7102543

Claim:
Portable unit for the input of either or both alphanumerical data and function commands in a digital device ( 46 ), comprising a control panel ( 1 ); a base plate ( 3 ) connected to the control panel; said control panel including pressure contacts ( 4 , 5 ) carried by the base plate and which are connected to an electronic processing unit ( 43 ); a table ( 2 ) provided on the control panel ( 1 ) with a number of rows ( 14 ) and columns ( 15 ) comprising fields ( 13 ) and a group of symbols ( 16 ) in a number of said fields ( 13 ) symbolizing either or both the alphanumerical data and or the function commands, a first group of pressure contacts ( 4 , 5 ) on the base plate ( 3 ) positioned in two rows extending parallel to the rows ( 14 ) and columns ( 15 ) of the table ( 2 ), each of the pressure contacts ( 4 , 5 ) of said first group situated along an extension of a row ( 14 ) or of a column ( 15 ), two selection elements ( 8 , 9 ) moveable in relation to the pressure contacts ( 4 , 5 ) of the first group and the table ( 2 ), and parallel to the rows ( 14 ) and the columns ( 15 ) respectively, into positions at which they are located opposite a respective pressure contact ( 4 , 5 ) of the first group, pressure contact ( 4 , 5 ), in an extension of a selected row ( 14 ), and a selected column ( 15 ); a pressure mechanism ( 7 ) arranged to enable manual changing of the position of the pressure contacts ( 4 , 5 ) of the first group of pressure contacts located opposite the selection elements ( 8 , 9 ) by means of the latter; and a second group of pressure contacts ( 6 ) which are arranged to be manually operated, the number of pressure contacts ( 6 ) in said second group being equal to the maximum number of symbols ( 16 ) of a field ( 13 ), and wherein each contact of the second group corresponds to a single symbol ( 16 ) of a selected field ( 13 ).