Patent ID: 6453027
Filing Date: 2002-09-17
Classification: G06F,H04M

Abstract:
A multifunction keyboard comprising:computer speaker switching means for adjusting a tone level and performing a computer speaker/headset mode switching operation; audio input/output means having audio input and output terminals for inputting and outputting audio signals; semiconductor-type recording means 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; telephone means for conducting a direct conversation with a call-connected party and performing an Internet phone function, a telephone function, an extension exchange function, a redial function, a mute function, a hook function, a flash function, a headset function, a speaker phone function and a message recording function; and burglar alarm means having a pyroelectric infrared sensor for sensing a body temperature of a trespasser, a door opening sensor, a liquefied petroleum gas/liquefied natural gas sensor and a fire sensor, said burglar alarm means sensing the body temperature of the trespasser or an abnormal situation in the surroundings, automatically establishing a call to a preset telephone number, at once transferring a voice message and a sensed on-the-spot sound to the preset telephone number and generating an alarm thereto.