Patent ID: 7231181
Filing Date: 2007-06-12
Classification: H04M

Abstract:
1. A pen-type wireless transceiver for a mobile communication terminal using Bluetooth, comprising: a pen-type body comprising an upper housing configured to form an upper part of the body, a receptacle part combined with the upper housing, and a lower housing combined with the receptacle part and configured to form a lower part of the body; a Light Emitting Diode (LED) for visually indicating operational status by emitting light through an opening formed in a top of the upper housing; a pattern type antenna extended from a lower end of the LED along a part of an inside surface of the upper housing to receive and transmit Radio Frequency (RF) signals so as to exchange information with a mobile communication terminal; a speaker positioned below the pattern type antenna to communicate with and transmit a voice signal to an outside of the upper housing; a Liquid Crystal Display (LCD) display positioned below the speaker to display information about incoming calls; a button unit comprising Up and Down buttons positioned on a first side of the upper housing to be used to search for a stored phone number at a time of placing a call, and a Talk button positioned on a second side of the upper housing to control a call function; a battery accommodated in the receptacle part to supply power to all power-related elements; a microphone projected from a lower end of the outside surface of the receptacle part to receive the voice signal; a Bluetooth controller configured to control all the elements and is equipped with a Bluetooth chip to allow information to be exchanged with the mobile communication terminal; an audio interface for allowing the Bluetooth controller to control the voice signal output to the speaker and the microphone; a main board inserted into the upper housing with the LED, the speaker, the LCD display, the Up, Down and Talk buttons, the Bluetooth controller and the audio interface mounted thereon; a battery supervisor mounted on the main board to measure the voltage of the battery and issue a low voltage alarm; and a replaceable ballpoint ink container contained in the lower housing to function as a writing instrument.