Apparatus and method for inputting characters in portable...

Apparatus and method for inputting ideographic characters

Apparatus and method for scanning a key matrix

Apparatus and method for scanning a key matrix

Apparatus and method for scanning a key matrix

Apparatus and method for scanning a switch array

Apparatus and method using color-coded or pattern-coded keys...

Apparatus and method using color-coded or pattern-coded keys...

Apparatus for and method of inputting alphabets using a...

Apparatus for controlling an operational panel

Apparatus for converting scan data of a keyboard

Apparatus for data input and key detection method thereof

Apparatus for inputting characters and method thereof

Apparatus for inputting opening and closing parentheses...

Apparatus for programming extended code of keyboard and...

Apparatus for reading keyboard-commands of a portable computer

Apparatus for sensing button-pressed state and method...

Appliance information communication system

Arrangement for the optical remote control of apparatus

Autoclavable remote hand control