Importance

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Abstract

A multifunction keyboard for performing a variety of functions such as an Internet phone function, audio input/output function, computer speaker switching function, recording function, burglar alarm function, telephone function, etc. in addition to the original function of displaying characters and symbols on the screen of a monitor. The multifunction keyboard comprises a computer speaker switching unit for adjusting a tone level and performing a computer speaker/headset mode switching operation, an audio input/output unit having audio input and output terminals for inputting and outputting audio signals, a semiconductor-type recording unit having a recording button for performing a recording operation while it is pushed by the user, and a play button for performing a playback operation when it is pushed by the user in a one-touch manner, a telephone unit for conducting a direct conversation with a call-connected party and performing an Internet phone function, telephone function, extension exchange function, redial function, mute function, hook function, flash function, headset function, speaker phone function and message recording function, and a burglar alarm unit having a PIR sensor for sensing a body temperature of a trespasser, a door opening sensor, an LPG/LNG sensor and a fire sensor. Burglar alarm unit with the multifunction keyboard is comprised by internal external devices of the own designer.

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First Claim