KR20000075281A - Method for receiving of broadcast radio frequency in mobile phone - Google Patents

Abstract

PURPOSE: A method for receiving radio broadcasting signals in cellular phones is provided to perform a receiving standby while radio programs are broadcasted via the cellular phones, and to automatically convert a present mode into a radio mode when a charging is carried out, so that users can obtain a radio device functions through the cellular phones. CONSTITUTION: When radio key signals are received from a key pad(112) or a charging signal is received from a battery circuit(117), a controller(111) connects a voice processor(115) with a radio circuit(118). The controller turns on the radio circuit, to control receiving operations thereof, and outputs control signals to the voice processor. The control signals are for processing a radio signal. The controller controls a radio circuit of a cellular phone to test whether ring signals are terminated. If so, the controller connects a switch to the radio circuit and turns off the radio circuit. The controller transfers control signals of a cellular phone mode to the voice processor, and outputs a ringer tone.

Description

How to receive radio broadcast signal on mobile phone {METHOD FOR RECEIVING OF BROADCAST RADIO FREQUENCY IN MOBILE PHONE}

The present invention relates to a mobile phone device, and more particularly to a multifunctional mobile phone device.

In general, cellular phone devices have been developed as mobile communication devices that users move and talk, and cell phone subscribers are continuously increasing. As the number of mobile phone users increases, mobile phone users want to perform more functions on their mobile phones. Many developments have been made to accommodate this, and many functions have been implemented in mobile phones. One of the requirements of these users is that cell phone users want to add the ability to listen to radio broadcasts. This is because it is expensive to carry both devices together with the bulky problem of carrying a mobile phone and a radio together. In this case, since the frequency band used by the mobile phone and the band used by the radio broadcast are different from each other, there is a problem that the current mobile phone cannot accommodate this. In addition, the mobile phone is configured to output only the incoming voice signal to the speaker for the call, there was a problem that it is difficult to change the configuration accordingly. In addition, there is a problem that can not be used properly because it is difficult to listen to the earphones when using the radio when charging the mobile phone.

Accordingly, an object of the present invention is to provide a method for listening to a radio broadcast in a mobile phone device.

Another object of the present invention is to provide a method for automatically listening to a radio broadcast by switching to a radio mode when charging in a mobile phone device.

1 is a block diagram of a mobile phone device according to an embodiment of the present invention;

2 is a control flowchart in a radio reception mode according to a preferred embodiment of the present invention.

The present invention for achieving the above object is provided with a radio receiving circuit, a radio broadcast signal receiving method in a mobile phone having a switch for selectively connecting the radio receiving circuit and the wireless circuit of the mobile phone to the voice processing unit, radio reception When a key is input or a charging signal is received from the battery circuit of the mobile phone, driving and connecting the voice processing unit and the radio circuit, operating only the receiving circuit of the wireless unit of the mobile phone, and checking the incoming ring signal; and When the frequency change key of the radio is input during the output of the step of changing the frequency of the radio according to the change key and outputting; when the ring signal is received during the radio signal output is connected to the radio of the mobile phone and the voice processing unit Turning off the circuit, and ringing receiver to output ringing sound according to ringing Proceeding to the process of performing the operation, and receiving the key signal according to the radio off during the radio reception mode, connecting the switch back to the wireless unit, performing a reception standby mode, and receiving a power off signal during the radio reception mode. And connecting the switch back to the wireless unit and performing an operation according to power off.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a mobile phone device according to a preferred embodiment of the present invention.

The controller 111 controls the overall operation of the mobile phone, and in particular, performs control in the radio reception mode according to the present invention. The keypad 112 has a key matrix structure, and includes a numeric key for dialing and a radio switching key according to the present invention to output a key signal corresponding to a key selected by a user to the controller 111. In addition, it is also possible to configure a radio reception mode function among a plurality of functions when a function key is input by using a function key for selecting a function without separately providing a radio switching key. However, this embodiment will be described as having a separate radio receiving key for convenience of understanding. The display unit 113 displays the state of the mobile phone or the operation process under the control of the control unit 111. The radio circuit 118 is turned on / off under the control of the control unit 111 and, when turned on, receives and processes a signal received at a radio frequency through the first antenna ANT1 and converts a signal of a radio frequency into a signal of a predetermined band. The switch is output to the terminal a of the switch SW. The wireless unit 114 transmits and receives a signal of a wireless band used in the mobile phone through the second antenna ANT2 under the control of the control unit 111, and converts the received signal into a signal of a predetermined band to switch the switch SW. Output to terminal b. In addition, the wireless unit 114 converts the signal received from the b terminal of the switch SW to a signal of the wireless band used in the mobile phone and outputs the signal to the second antenna ANT2. The pole of the switch SW is connected to the voice processing unit 115, and the a and b ends of the switch SW are connected to the radio circuit 118 and the wireless unit 114, respectively, to control the control unit 111. Thereby performing a switching operation to connect to the radio circuit 118 or to the radio 114. The pole of the switch (SW) of the mobile phone is also connected to the b terminal in the normal state.

When operating in the mobile phone mode of the control unit 111, the voice processing unit 115 decodes a signal of a predetermined band received through the switch SW and outputs the signal to the first speaker SPK1. In operation, the signal is output to the second speaker SPK2 without performing a decoding operation. In addition, the voice processor 115 codes an electrical voice signal received from the microphone MIC and outputs the encoded voice signal to the switch SW. The earphone connection part 116 is connected to the voice processing part 115 and is provided with the jack which can connect with an earphone. In addition, when the earphone is connected, the earphone connection unit 116 does not output the signal processed by the voice processing unit 115 through the first and second speakers SPK1 and SPK2 so as to be output to the earphone. According to the present invention, the second speaker SPK2 converts an electric voice signal output from the voice processor 115 into an audible sound in the radio reception mode and outputs the audible sound. In addition, when the voice processing unit 115 includes a ringer IC that outputs ringing sounds, the second speaker SPK2 may be used in common with the ringer speaker. That is, the ringer may be output using the second speaker SPK2 without providing a separate ringer speaker. The battery circuit 117 supplies power to each part of the mobile phone, and outputs a charging signal indicating that the battery is being charged to the controller 111 when the battery is being charged. Next, look at the control flow of the process for receiving radio in the mobile phone having the configuration as described above.

2 is a control flowchart of a radio reception mode according to a preferred embodiment of the present invention. Hereinafter, a process of a control flow for receiving a radio in a mobile phone according to the present invention will be described in detail with reference to FIGS. 1 to 2.

The controller 111 operates in the standby mode in step 200. Here, the standby mode refers to a state in which a user selects a key provided in the keypad 112 to check whether a key signal is received, and checks whether a call is received through the wireless unit 114. The controller 111 performs the standby mode and proceeds to step 202 to check whether a radio key is input from the keypad 112. If the radio key is selected, the controller 111 proceeds to step 206, and if the radio key is not selected, proceeds to step 204. The control unit 111 checks whether the charging signal is received from the battery circuit 117 in step 204 to check whether the mobile phone is currently in the charging mode. When the charging signal is received from the battery circuit 117, the control unit 111 recognizes the charging mode and proceeds to step 206, and if not, the controller 111 proceeds to step 200.

Proceeding from step 202 or step 204 to step 206, the control unit 111 switches the switch SW from terminal b to terminal a and a control signal for radio reception to the radio circuit 118. And a signal for performing an operation according to radio reception to the voice processor 115. The wireless unit 114 checks whether the ring signal is received by controlling the receiving circuit of the wireless unit 114 even when the switch SW is switched to the terminal a, and if the ring signal is received, the control unit 111. Will output This can be configured to check for ring tones even during radio reception. Alternatively, in the radio signal reception mode, the power off signal may be output to the base station in the same manner as the power off, and the switching system may be configured to automatically proceed to the voice mailbox. In this case, when the radio is turned off, the signal according to the power-on should be configured to be output to the wireless base station, such as when the mobile phone is turned on. In addition, the radio circuit 115 receives a signal of a frequency band set at the time of shipment of the product when the radio is first used, and outputs the received and converted signal to a terminal of the switch SW. When the radio is not used for the first time, a signal of a radio frequency band previously used is received, and the received and converted signal is output to a terminal of the switch SW. In addition, when the earphone is connected to the earphone connection unit 116, the signal output from the voice processing unit 115 is output through the earphone connection unit 116, and if the earphone is not connected is output through the second speaker (SPK2). .

As described above, when a key signal corresponding to the frequency change key 210 is received from the keypad 112 while outputting the radio signal as an audible sound, the process proceeds to step 212. Here, the frequency change key may be configured to include a separate key, and may be set to the frequency change mode through a function key. In the frequency change mode, the frequency change method includes setting the frequency using the numeric keys, manually setting the frequency using the up and down control keys, automatic scanning of the frequency, and changing the frequency into a memorized frequency. have. If the frequency is changed by one of the above methods, the control unit 111 proceeds to step 212 to control the radio circuit 118 to change the frequency and proceeds to step 208.

However, if the frequency change key is not input as a result of the check in step 210, the process proceeds to step 220. The controller 111 checks whether the ring signal is received from the wireless unit 114 in step 220. The control unit 111 proceeds to step 222 when the ring signal is received as a result of the test of step 220 and proceeds to step 230 when the ring signal is not received. The control unit 111 switches the switch SW to the b terminal in step 222, turns off the radio circuit 118, and outputs an operation control signal in the mobile phone mode to the voice processing unit 115. In addition, the control unit 111 proceeds to step 224 to output a ring signal through an internal ringer speaker provided separately in the mobile phone. However, when the voice processing unit 115 includes the ringer IC and uses the second speaker SPK2 in common with the ringer speaker, the ringer IC outputs the ringing sound through the second speaker SPK2 for listening to the radio and proceeds to the ring-forwarding mode. . This allows the user to perform a call without any obstacle even when the call is received while receiving the radio.

When the controller 111 proceeds from step 220 to step 230, the controller 111 checks whether a key signal corresponding to a radio off is received from the keypad 112. The control unit 111 proceeds to step 232 when the key signal according to the radio off is received, and proceeds to step 240 when the signal due to the radio off is not received. When the controller 111 proceeds to step 232, the control unit 111 switches the switch SW to the b terminal and simultaneously outputs an off signal to the radio circuit 118 so as not to operate. In addition, the controller 111 controls the wireless unit 114 to perform a reception standby mode, and outputs a mobile phone mode signal to the voice processor 115. The controller 111 proceeds to step 200.

On the contrary, if the process proceeds from step 230 to step 240, the controller 111 checks whether a key signal according to the power-off is received from the keypad 112. If the power-off signal is received, the controller 111 proceeds to step 242. If the power-off signal is not received, the controller 111 proceeds to step 208. When the power-off signal is received from the keypad 112, the controller 111 switches the switch SW to the b terminal, and proceeds to step 244 to perform a power-off operation.

As described above, it is not necessary to carry two devices together by allowing the mobile phone to receive a radio, and there is an advantage in that both devices do not need to be purchased at a price. In addition, while listening to the radio in the mobile phone, it is possible to perform the reception standby, and in particular, by automatically switching to the radio mode while charging, there is an advantage that can be used as a radio when charging.

Claims (1)

In the mobile phone having a radio circuit, and a switch for selectively connecting the radio receiving circuit and the wireless circuit of the mobile phone to the voice processing unit, In the mobile phone radio frequency reception method, Connecting the voice processing unit and the radio circuit when a charging signal from a battery circuit of a mobile phone or a radio key signal is received from a keypad; Turning on the radio circuit to control a reception operation and outputting a radio signal processing control signal to the voice processor; Controlling the wireless unit of the mobile phone to check whether the ring signal is received; Connecting the switch back to the wireless unit and turning off the radio circuit when a ring signal is received through the wireless unit; And outputting a ring tone while outputting a control signal in a mobile phone mode to the voice processing unit.