Multi-function touch pen for computerized apparatus

A multi-function touch pen for a computerized apparatus with a touch control panel, said touch pen comprising:

• a pen barrel having first and second barrel end portions opposite to each other, said first barrel end portion being formed as a touch tip adapted for operating the touch control panel;
• and
• an electronic device including
• an input unit mounted on said pen barrel and operable so as to generate an input signal,
• a processor disposed in said pen barrel and coupled electrically to said input unit, said processor being operable so as to process the input signal, and
• an output unit mounted on said pen barrel and coupled electrically to and controlled by said processor for generating an output corresponding to the input signal,
• a memory unit disposed in said pen barrel and coupled electrically to said processor, said memory unit being controlled by said processor to store the input signal from said input unit therein, and
• an operating unit mounted on said pen barrel and coupled electrically to said processor, said operating unit being operable so as to control storage and retrieval of the input signal in and from said memory unit by said processor.