KR20060098173A - Mobile telecommunication terminal with radio receiver - Google Patents

Abstract

The present invention implements the antenna as a loop antenna in a mobile communication terminal having a radio receiving function to install in the case of the main body case or battery pack to move the radio reception performance can be improved without harming the beauty or occupy a separate space It relates to a communication terminal.

A mobile communication terminal having a radio reception function of the present invention includes: a radio reception unit embedded in a main body of the mobile communication terminal, for tuning and demodulating radio broadcast signals; A voice signal processor for power amplifying the baseband voice signal demodulated by the radio receiver; A loop antenna for transmitting the captured radio broadcast signal to the radio receiver by being embedded in an FPCB in an arbitrary case provided in a speaker and a mobile communication terminal for converting and outputting an analog voice signal processed by the voice signal processor It is made, including.

In the above-described configuration, the loop antenna may be installed at the periphery of the main body case, the outer case of the battery pack, the folder case periphery of the folder type terminal, or the slider case periphery of the slider type terminal.

Battery, Radio, Antenna, Loop, Mobile

Description

Mobile telecommunication terminal with radio receiver function

Figure 1a is a front view showing the appearance of a mobile communication terminal that can be applied to the present invention,

Figure 1b is a rear view showing the appearance of a mobile communication terminal according to an embodiment of the present invention,

Figure 1c is a schematic cross-sectional view taken along the line A-A in Figure 1b,

1D is an exploded perspective view showing the appearance of a mobile communication terminal according to an embodiment of the present invention;

2 is an electrical block diagram of a mobile communication terminal that can be applied to the present invention.

*** Explanation of symbols for the main parts of the drawing ***

100: mobile communication terminal 110: main body

112: numeric / character key buttons 113: microphone hole

114: Volume button 115: Radio button

116: Standard terminal slot 117: Camera lens

118: infrared communication element 119: main body side contact

120: slider 121: function key button

121a: arrow button

122: flat panel indicator 123: speaker hole

130: antenna 140: battery pack

141: outer case 142: inner case

143: charging electrode terminal 144: electrode terminal for power supply

145: cell unit 146: loop antenna

147: battery side contact 210: control unit

220: radio frequency transmitting and receiving unit 222: antenna

230: key input unit 232: function keys

234: numeric / character keys 240: memory

242: program storage unit 244: data storage unit

250: voice signal processor 252: microphone

254: speaker 256: earphone jack

260: flat panel display driver 262: flat panel display

270: vibration generator 272: vibration motor

274: LED driver 276: LED

280: camera driver 282: CCD camera

284: Image Processing Unit 286: Infrared Transmitter / Receiver

288: radio receiver

The present invention relates to a mobile communication terminal having a radio reception function, and more particularly, to a mobile communication terminal in which an antenna for radio reception is implemented through a loop antenna.

The mobile communication terminal, which is a necessity for modern people, is not only compact and lightweight due to steady development, but also is emerging as a complex communication terminal having various functions such as mp3, camera and navigation. In addition to the above functions, such a mobile terminal has a voice mail service (called a voice mail service) that allows a sender to leave a message in a recipient's voice mailbox or a fax mailbox when the receiver cannot answer a call. Voice Activated Dialing Service, a mobile communication terminal screen that allows you to make a voice call without having to dial a phone number. You can receive numbers and text messages (about 40 ~ 50 letters in English, about 80 letters in English) or various life information as texts. If you use the voice mail service, you will be notified by mobile phone when a message arrives at the voice mail. Various features and services, including support for Short Message Service (SMS) The offers.

Furthermore, a mobile communication terminal having a radio function has been often proposed for the convenience of a user. For example, the utility model registration No. 179159 discloses a portable telephone capable of receiving a radio. According to this prior art, if a call is received while listening to FM while the radio receiver for FM reception is built in the battery pack, the phone automatically opens a communication path with the other party according to the user's call selection and outputs only the voice signal from the other party. When the call is terminated, the call is switched back to the FM listening mode. On the other hand, in the above-mentioned prior art, there is no mention as to where or how to arrange the antenna for the radio.

However, when there is no antenna, the radio reception performance is remarkably degraded. In the case of a mobile communication antenna, there is a problem that the frequency band to be handled is very different from the radio frequency band, making it difficult to use it as a radio antenna. In addition, a method of separately installing an antenna for receiving a radio has problems in aesthetics and installation space.

The present invention has been made to solve the above-mentioned problems, in the mobile communication terminal having a radio receiving function by implementing the antenna as a loop antenna installed in the case of the main body case or battery pack to harm the aesthetics or occupy a separate space It is an object of the present invention to provide a mobile communication terminal having a radio function capable of improving radio reception performance without using the same.

According to an aspect of the present invention, there is provided a mobile communication terminal having a radio reception function, the radio reception unit being built in the mobile communication terminal body to tune and demodulate a radio broadcast signal; A voice signal processor for power amplifying the baseband voice signal demodulated by the radio receiver; A loop antenna for transmitting the captured radio broadcast signal to the radio receiver by being embedded in an FPCB in an arbitrary case provided in a speaker and a mobile communication terminal for converting and outputting an analog voice signal processed by the voice signal processor It is made, including.

In the above-described configuration, the loop antenna may be installed at the periphery of the main body case, the outer case of the battery pack, the folder case periphery of the folder type terminal, or the slider case periphery of the slider type terminal.

Hereinafter, a mobile communication terminal having a radio reception function according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in detail.

Figure 1a is a front view showing the appearance of a mobile communication terminal that can be applied to the present invention, Figure 1b is a rear view showing the appearance of a mobile communication terminal according to an embodiment of the present invention, illustrating a slide type mobile communication terminal Doing. Of course, it should be noted that the present invention is not limited to the terminal of this manner and structure. 1A and 1B, a mobile communication terminal (hereinafter, also referred to as a “terminal”) 100 having a radio function of the present invention includes a main body 110 and a flat panel display 122 having a main circuit built therein. ), The slider 120 may slide up and down in the main body 110.

In the above-described configuration, the front of the main body 110, the number / letter key button 112 is used to receive the numbers and letters are arranged, the upper surface to the infrared communication (IrDA) with the antenna and other communication devices outside Infrared communication element 118 is used to be disposed, the microphone hole 113 in communication with the internal microphone (not shown) is drilled in the lower place. The main body 110 is also equipped with a camera lens 117 on the back, for example, the upper portion, the lower portion of the main body 110 is mounted in a removable structure, the lower surface of the main body 110 A standard connection terminal slot 116 is provided to which power for transmitting / receiving data with the terminal or charging the battery pack 140 coupled to the main body 110 is transmitted.

On the other hand, the front of the slider 120 is provided with a flat panel display 122 for displaying various characters or graphic elements indicating the operation and operation state of the mobile communication terminal 100 and a radio reception state, channel tuning state, volume level, and the like. In the lower portion, a function key button 121 used to select or receive various functions included in the terminal 100 is disposed. Reference numeral 121a denotes a direction key button, which may be used as an up / down key button for channel selection when the terminal is operating in a radio reception mode.

Further, a speaker hole 123 communicating with an internal speaker (not shown) is drilled in place of the slider 120, for example, the flat display 122. In the drawing, reference numeral 114 denotes a volume button, 115 denotes a radio button for switching the operation state of the terminal to a radio mode, and 146 denotes a loop antenna for radio frequency reception embedded in an outer case of the battery pack 140. . The loop antenna 146 is an antenna formed on a flexible double-sided circuit board (FPCB) on both sides of the flexible antenna, and its length may be appropriately determined according to the radio frequency band. The loop antenna may be buried in the circumference of the main body case or the slider case in addition to the battery pack, and in the case of a folding terminal, the loop antenna may be buried in the circumference of the folder case. It may be implemented in a similar form.

1C is a schematic cross-sectional view taken along line A-A of FIG. 1B, and FIG. 1D is an exploded perspective view illustrating an appearance of a mobile communication terminal according to an embodiment of the present invention. As shown in FIGS. 1C and 1D, the battery pack 140 of the terminal 100 has an outer case 141 that is exposed to the outside when mounted on the terminal 100 and an inner case that interviews the rear surface of the main body 110. The cell unit 145 is accommodated in the space formed between the 142, the inner case 142, the power supply electrode terminal 144 for transferring the power from the cell unit 145 to the main body 110. Is exposed, and a charging electrode terminal 143 for supplying electricity from the charger to the cell unit 145 is exposed on the outer case 141.

Meanwhile, the loop antenna 146 according to the present invention is embedded in the outer case 141 in a state of being mounted to the FPCB, and the contact piece 147 for electrical connection with the mounted radio receiver circuit of the main body 110 has an outer side. The case 141 is exposed in place, for example, at the top. In the drawings, reference numeral 119 denotes a main body side piece that is exposed to the outside of the main body 110 and electrically connected to the battery side piece 147 when the battery pack 140 is mounted on the main body 110. It is preferable to configure the elastic piece to ensure contact with the side piece piece 147.

2 is an electrical block diagram of a mobile communication terminal having a radio receiving function of the present invention. As shown in FIG. 2, the electrical configuration of the mobile communication terminal to which the present invention can be applied includes a radio frequency transmitter / receiver 220 and a number / character that transmit / receive a radio frequency signal with a base station through an antenna 222. A key input unit 230 including a function key input unit 232 and a numeric / character key input unit 234 for generating a corresponding key signal when the key button 112 or the function key button 121 or 121 a is operated. ), A program storage unit 242 for storing various application programs, such as an operating system (OS) of a terminal or a control program for receiving radios of the present invention, and temporarily storing data set by a user or data generated during an operation process. Memory 240 including a data storage unit 244, a microphone 252 for converting external sound waves into a corresponding analog form of a voice signal, analog form of voice generated inside the terminal Converts the analog voice signal from the speaker 254 for converting the signal into sound waves, the earphone jack 256 for connecting the earphone, and the microphone 252 into a corresponding digital voice signal, and converts the digital voice signal into a corresponding analog signal. A voice signal processor 250, a flat panel display 262, and a flat plate for converting the voice signal into a speaker 254 and amplifying an analog voice signal transmitted from a radio receiver to be described later and outputting the voice signal to the speaker 254. Vibration motor 272 that generates vibration when the indicator driver 260 and the terminal 100 operate in the vibration mode, and the driver 270, LED 276 for visually displaying when an event such as receiving a call or a message occurs And a driving unit 274 and a control unit 210 for controlling them collectively.

In addition to the mobile communication terminal to which the present invention is applied, a camera driver 280 for driving the CCD camera 282 under the control of the control unit 210 and the CCD camera 282 installed in place of the main body 110 or the slider 120. ), An image processing unit 284 for processing image data output from the CCD camera 282, and an infrared ray transmitting / receiving unit 286 for emitting infrared rays and receiving infrared rays emitted from the outside as short-range communication means. Could be.

In the above-described configuration, the radio receiver 288 may be implemented as a single chip and mounted on the main body 110. The radio receiver 288 may be mounted on the main body 110 by a user in a radio broadcast signal captured by the loop antenna 148 upon input of an operation command from the controller 210. It is responsible for the function of separating only the broadcast signal for the tuned channel and demodulating the separated broadcast signal into the baseband voice signal. In addition, the radio receiver 299 may transmit the electric field strength signal to the controller 210. Accordingly, the controller 210 may display the reception state of the current radio broadcast through the flat panel display 262.

On the other hand, the control unit 210 outputs a control signal to the LED driver 274 while operating in the radio receiving mode to operate the LED 276 in a different mode from the voice call mode, the terminal is currently operating in the radio receiving mode To display. Furthermore, when the call is received from the outside and the user presses the call key button, the controller 210 outputs a control signal to the voice signal processor 250 to automatically switch the operation mode to the voice call mode so that the voice received from the other party is the speaker. 254, and automatically switches the operation mode to the radio reception mode when the call is terminated.

The mobile communication terminal having the radio reception function of the present invention is not limited to the above-described embodiment, and can be modified in various ways within the scope of the technical idea of the present invention. For example, in the above-described embodiment, the radio receiver is described as being installed in the main body, but the present invention is not limited thereto and may be installed in a slider (for a slider type terminal) or a folder (for a folder type milling machine).

According to the mobile communication terminal having a radio receiving function of the present invention as described above, in the mobile communication terminal having a radio receiving function by implementing the antenna as a loop antenna to install in the case of the main body case or battery pack to damage the aesthetics or separate Radio reception performance can be improved without taking up space.

Claims (7)

A radio receiver embedded in the mobile communication terminal to tune and demodulate a radio broadcast signal; A voice signal processor for power amplifying the baseband voice signal demodulated by the radio receiver; A speaker for converting the analog voice signal processed by the voice signal processor into sound waves and outputting the sound wave; A mobile communication terminal having a radio reception function comprising a loop antenna for transmitting a radio broadcast signal, which is embedded and mounted in an FPCB in an arbitrary case provided in the mobile communication terminal, to the radio receiver. The mobile communication terminal of claim 1, wherein the loop antenna is embedded around a main body case of the mobile communication terminal. The mobile communication terminal of claim 1, wherein the loop antenna is embedded in an outer case of the battery pack. The battery pack of claim 3, wherein a contact piece electrically connected to the loop antenna is exposed to an upper end of an outer case of the battery pack. The main body case at the position corresponding to the fold of the loop antenna is formed in the main body side contact is in contact with the fold of the loop antenna when the battery pack is coupled to the mobile communication terminal body, The main body side piece is a mobile communication terminal having a radio receiving function, characterized in that made of an elastic piece. The mobile communication terminal of claim 1, wherein the mobile communication terminal has a folder shape. The loop antenna is a mobile communication terminal having a radio receiving function, characterized in that embedded in the circumference of the folder case. The method of claim 1, wherein the mobile communication terminal is a slider type, The loop antenna is a mobile communication terminal having a radio receiving function, characterized in that embedded in the circumference of the slider case. The mobile terminal according to any one of claims 1 to 6, wherein the mobile communication terminal is provided with a direction key button, And the direction key button is assigned as a channel selection key button when the mobile communication terminal is operating in a radio reception mode.

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