KR20050093310A - Method for user interface of mobile communication unit having function of broadcast signal receiving - Google Patents

Abstract

The present invention relates to a mobile communication terminal having a broadcast signal receiving function, and more particularly to a user interface.

The present invention provides a user interface method of a mobile communication terminal having a broadcast reception function, comprising: setting a corresponding broadcast channel for each operation button, controlling a broadcast signal to be received by entering a broadcast reception mode; And waiting for an input of a button, and if an input of the operation button is detected, controlling to receive and process a broadcast signal of a corresponding broadcast channel.

Description

TECHNICAL FOR USER INTERFACE OF MOBILE COMMUNICATION UNIT HAVING FUNCTION OF BROADCAST SIGNAL RECEIVING}

The present invention relates to a mobile communication terminal having a broadcast signal receiving function, and more particularly to a user interface.

Currently, a mobile communication terminal having a function of receiving and outputting a broadcast signal (analog TV signal, multimedia broadcast signal, FM radio signal) has been developed and released.

However, a user interface for changing a broadcast signal channel supported by a conventional mobile communication terminal is as follows. That is, the user should display the channel selection menu screen by manipulating the mobile communication terminal and select the desired channel by manipulating again as guided in this screen.

However, from the user's point of view, such a user interface is cumbersome and inconvenient. In particular, when there is a channel that is frequently viewed or listened to, the user must repeatedly go to the corresponding channel every time the user receives and listens to the broadcast, thereby making the user feel more troublesome and inconvenient.

In addition, in order to receive a broadcast from the mobile communication terminal, an application for receiving and controlling a broadcast signal must be executed. Conventionally, a user interface for executing such a broadcast signal reception control application requires a user to operate a mobile communication terminal to display a broadcast signal reception menu screen, and operate again as guided on this screen to execute a broadcast signal reception application. .

However, from the user's point of view, such a user interface is cumbersome and inconvenient. Particularly, a user who frequently receives and listens to a broadcast using a mobile communication terminal needs to repeatedly execute a broadcast reception control application to receive a more cumbersome and inconvenient feeling.

The present invention has been made in such a situation, and an object thereof is to improve a user interface of a mobile communication terminal having a broadcast signal reception function.

Furthermore, another object of the present invention is to improve a user interface for changing a broadcast signal channel of a mobile communication terminal.

Furthermore, another object of the present invention is to improve a user interface for executing a broadcast reception control application of a mobile communication terminal.

In order to achieve the above object, the present invention provides a user interface method of a mobile communication terminal having a broadcast reception function, the method comprising: setting a corresponding broadcast channel for each operation button, and controlling a broadcast signal to be received by entering a broadcast reception mode; And a step of waiting for the input of the operation button, and if the input of the operation button is detected, controlling the broadcast signal of the corresponding broadcast channel to be received and processed.

Accordingly, as in the related art, the user does not operate the mobile communication terminal to display a channel selection menu screen, and again operates as guided on the screen to select a desired channel. The user can easily and directly select a desired channel by pressing a hot key in which information for selecting a specific channel is matched one-to-one.

For example, when the "1" key is normally pressed, the mobile communication terminal performs a corresponding normal operation (for example, displaying "1" on the display), but in the case of the broadcast reception mode, one-to-one correspondence with the MBC channel tuning command. Will be matched by

According to an additional aspect of the present invention, the method may further include: waiting for an input of a dedicated key button corresponding to the broadcast reception mode entry command, and entering the broadcast reception mode when an input of the dedicated key button is detected; Characterized in that the configuration.

That is, in order to make the broadcast reception operation of the user more convenient, a dedicated operation button corresponding to the broadcast reception mode entry command is set. Therefore, as in the prior art, a user operates a mobile communication terminal to display a broadcast signal receiving menu screen, and again operates as directed by the screen to execute a broadcast signal receiving application, rather than a hot key for entering a broadcast receiving mode. By pressing, you can watch the broadcast easily and directly.

The foregoing and further aspects of the present invention will become more apparent through the following embodiments. Hereinafter, the present invention will be described in detail with reference to the preferred embodiments described with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce.

1 is a block diagram schematically showing the configuration of a mobile communication terminal according to an embodiment of the present invention. As shown, the mobile communication terminal according to the present embodiment includes a phone control unit 100 and its subcircuits, a broadcast receiver 300, and a signal processor 500, which are largely common to existing mobile communication terminals. It is configured by.

The accessory circuits include an operation unit 210, a display unit 220 for displaying a menu and an operation state, a wireless communication unit 230 for extracting voice and data signals from a wireless signal transmitted and received through an antenna, and the wireless communication unit 230. And a voice input / output circuit 240 for inputting and outputting a voice call signal through a microphone and a speaker.

The operation unit 210 and the display unit 220 which is a normal liquid crystal display device may have a conventional well-known configuration. In addition, the wireless communication unit 230 is configured to include an antenna and RF circuit for communication with the base station. In the present specification, the wireless communication unit 230 is interpreted to cover not only various versions of CDMA but also existing methods such as cellular, GSM, and W-CDMA, as well as mobile communication. The voice input / output circuit 240 is a well-known configuration that processes digital voice data into an analog voice signal or vice versa, and includes an additional circuit such as an audio amplification circuit or a filter.

The baseband circuit of the wireless communication unit 230 and most of the circuits of the phone control unit 100 are commercially provided as a single integrated circuit. This integrated circuit, commonly referred to as an MSM chip, includes internally dedicated hardware for processing communications, a digital signal processor and a general purpose microprocessor. Logically, these include a communication control unit 110 for controlling voice and data communication, and a system control unit 120 for controlling the entire system according to an operation signal or an operation state input from the operation unit 210. The system controller 120 supports a convenient application environment such as a virtual machine, and can process various controls according to a characteristic aspect of the present invention by a program.

The system controller 120 may interface with and control external ICs through a serial bus such as an I ² C bus. When an operation command is input from the user through the operation unit or an event such as a call reception occurs, the system controller 120 issues a necessary control command.

In addition, the system controller 120 controls the broadcast receiver 300 and the signal processor 500. In one embodiment, the system controller 120 may control the broadcast receiver 300 and the signal processor 500 through a connected serial bus. To this end, the bus receiving unit 300 and the signal processing unit 500 are provided with bus interface units 315 and 550 (not shown in FIG. 1), respectively.

In addition, the system control unit 120, according to a preferred embodiment of the present invention, the operation signal detected during the execution of the broadcast reception control application (e.g., keypad input signal, MBC ("1" numeric keys), KBS ( If " 2 " numeric keys, etc.) are preset to specific channel selection, channel tuning is controlled so that the corresponding channel is selected. The broadcast reception control application is an application program executed in the system controller 120 to control the broadcast receiver 300.

Accordingly, as in the related art, the user does not operate the mobile communication terminal to display a channel selection menu screen, and again operates as guided on the screen to select a desired channel. The user can easily and directly select a desired channel by pressing a hot key in which information for selecting a specific channel is matched one-to-one.

For example, when the "1" key is normally pressed, the mobile communication terminal performs a corresponding normal operation (for example, displaying "1" on the display), but in the case of the broadcast reception mode, one-to-one correspondence with the MBC channel tuning command. Will be matched by

In addition, according to a preferred embodiment of the present invention, if the detected operation signal corresponds to a hot key corresponding to a command to execute the broadcast reception control application, the system control unit 120 executes and moves the broadcast reception control application. Allow the communication terminal to enter the broadcast reception mode directly.

Accordingly, as in the related art, a user operates a mobile communication terminal to display a broadcast signal receiving menu screen, and operates again as guided on the screen to execute a broadcast signal receiving application, rather than entering a broadcast receiving mode. By pressing the hotkey, you can watch the broadcast easily and directly. Preferably, the broadcast reception mode entry hotkey is provided exclusively for the mobile communication terminal.

3 is a block diagram illustrating the embodiment of FIG. 2 in more detail.

The broadcast receiving unit 300 first demodulates a TV signal or an FM radio signal received from an antenna in a common RF stage, and then selectively processes the TV signal or the FM intermediate frequency processor according to the selection control of the system controller 120. The demodulated video signal is decoded in a digital form and output to the signal processor 500, and the demodulated TV or radio audio signal is output to the outside.

The signal processing unit 500 was originally developed by the present applicant for signal processing of a camera phone, and according to the characteristic structure of the present invention, the signal processing unit 500 was also adopted as it is without any special structural change. Also, without adding a separate signal processing module for the broadcast receiving unit 300, the existing signal processing unit 500 for the camera unit (not shown) can be used in common. For this purpose, the signal processing unit 500 is provided with an external chip control unit 540 for controlling an external chip (the corresponding chip of the broadcast receiving unit 300 or the corresponding chip of the camera unit). In response, the chip selector 316 is also provided in the broadcast receiver 300.

Hereinafter, the broadcast receiver and the signal processor 500 according to the present invention will be described in more detail. As shown, the broadcast receiver 300 includes a tuner 311 and a decoder 312 for decoding a video signal output from the tuner 311 and outputting the video signal in a reference format.

In one embodiment, the broadcast receiving unit 300 includes a tuner unit 311 for demodulating the radio broadcast signal received from the antenna, a decoder unit 312 for decoding the demodulated broadcast signal and outputting it as digital data; Receiving control unit 313 for controlling the operation in accordance with the control command signal of the. The reception control unit 313 receives a signal for commanding a broadcast reception operation and a channel selection operation from the system control unit 120. In addition, the broadcast receiving unit 300 is provided with an antenna for receiving an air wave signal. This antenna may exist separately from the antenna for mobile communication, or in the case of a strip patch antenna type, may be physically shared as one antenna.

In one embodiment, the broadcast receiving unit 310 further includes an audio output unit 314 for outputting the audio signal output from the tuner unit 311 to the outside by audible, wherein the television demodulated by the tuner unit 311 The audio signal of the signal is directly supplied in analog form to the audio output unit 314.

The tuner unit 311 may be one of the existing analog broadcast tuners such as NTSC and PAL, or a common tuner supporting all of them. In another embodiment, the tuner 311 may be a multimedia broadcasting for mobile communication such as a satellite based digital multimedia broadcasting (DMB) scheme or a wireless LAN based multimedia broadcasting.

In one embodiment, the broadcast receiving unit 300 is a chip selector 316 for receiving the chip select signal of the external chip control unit 540 of the signal processor 500, and the serial bus control signal from the signal processor 500 It includes a bus interface unit 315 for receiving the reception control unit 313 for controlling the operation according to the control signal received from the chip selector 316 and the bus interface unit 773.

The signal processor 500 may include a media interface unit 510 that receives an image signal from the broadcast receiver 300, an image processor 520 that processes a Youngshin signal input from the media interface unit 510, and an image processor ( And an image output unit 530 which converts the image signal processed in operation 520 into display data and outputs the image signal to the display unit 220.

The media interface unit 510 receives 8-bit image data in YUV format and buffers it in internal memory. The image processing unit 520 converts the progressive scan type TV signals into a sequential scan method, interpolates and / or scales them to fit the resolution of the display device, and further scales them to internal memory. A codec is included for storing or decompressing image data. In one embodiment, the codec includes an MPEG encoder / decoder and a JPEG encoder / decoder for compressing, storing and reading the captured image frame as a still image. These are implemented by the DSP and the core. In addition, the image processor 520 may include a sharpness enhancement circuit for improving image quality, and a contrast and contrast control function. You can even include some simple filter functions to give you graphical effects.

In an exemplary embodiment, the image output unit 530 outputs the image data output directly from the media interface unit 510 or from the image processor 520 to the display unit 220 in a 16-bit RGB data format. In the present embodiment, the image received by the broadcast receiving unit 310 may be compressed in the MPEG method by the image processing unit 520 and stored in an internal mass memory (not shown).

In one embodiment, the control unit 550 of the signal processing unit 500 controls the bus interface unit 550 to control the operation of the broadcast receiving unit 300 through the serial bus. In one embodiment, the serial bus is an I ² C bus. Also called Inter-IC, I ² C is a two-wire, bidirectional serial bus that provides a communication link between integrated circuits. Philips introduced the I ² C bus 20 years ago for mass production products such as TVs, VCRs and audio equipment.

In the present invention, the video signal inside the terminal is distributed on the bus in a single format, which in one embodiment is the YUV format. Therefore, each image processing module converts the internal output into YUV format and outputs the internal input.

In an embodiment, the signal processor 500 may include a media interface 510 for receiving an image signal from the broadcast receiver 300, an external chip controller 540 for selecting the broadcast receiver 300, and a broadcast receiver. A bus interface unit 550 for controlling the operation of the unit 300, an external chip controller 540, and a controller 560 for controlling the broadcast receiving unit 300 through the bus interface unit 550.

In this case, according to an additional aspect, the control unit 560 of the signal processing unit 500 may separately access the tuner unit 311 and the decoder unit 312 of the broadcast receiving unit 300 by assigning a plurality of addresses to the bus interface unit 550. To control.

In the present embodiment, the broadcast receiver 300 and the signal processor 500 are also provided in a single package. The broadcast receiving unit 300 is configured as a package including several IC modules therein. The signal processor 500 may include a single IC package or a digital signal processor, internal memories, interface modules, and a microprocessor.

3 is a block diagram schematically showing an embodiment of the tuner unit 311. In the illustrated embodiment, the wireless broadcast signal received from the antenna is separated into a signal of the UHF band and a signal of the VHF band, respectively, through the UHF filter 611 and the VHF filter 612. Signals in each band are filtered through their respective Low Noise Amplifiers (LNAs) 613 and 614. The filtered signal is supplied to the PLL IC 617 to select a signal for each channel according to a channel tuning command, mixed with a local oscillator and demodulated into an intermediate frequency signal. At this time, the local oscillation frequency for each signal is supplied from a voltage controlled oscillator (615, 616) for each band. The oscillation frequencies of these oscillators are controlled by the reception control section 313 of FIG. 2 which controls channel tuning.

According to a characteristic aspect of the present invention, the tuner unit 311 selectively supplies a TV intermediate frequency (IF) signal and an FM intermediate frequency signal output from the RF demodulator 600 to the intermediate frequency signal processor 625. A frequency (IF) switch 621.

In addition, an image intermediate frequency (VIF) amplifier for amplifying the TV intermediate frequency signal of the intermediate frequency switch 621, an image intermediate frequency filter for filtering an output of the image intermediate frequency amplifier and supplying the intermediate frequency signal processor to the intermediate frequency signal processor; And an FM intermediate frequency (AIF) amplifier for amplifying the FM intermediate frequency signal of the intermediate frequency switch, and an FM intermediate frequency filter for filtering the output of the FM intermediate frequency amplifier and supplying the intermediate frequency (IF) signal processor.

The first demodulated intermediate frequency signal is supplied to an intermediate frequency (IF) switch 621. The IF switch 621 switches the input intermediate frequency signal to the VIF amplifier 622 in the TV broadcast reception mode under the control of the reception control unit 313 of FIG. 2, and inputs the intermediate frequency signal in the FM broadcast reception mode. Is switched to the AIF amplifier 623 and supplied. These are supplied to the IF signal processor 630 through the respective intermediate frequency amplifiers 622 and 623 and the intermediate frequency filters 624 and 625.

The supplied intermediate frequency signal is second demodulated by the IF signal processor 630 and output to the decoder 312 and the audio output unit 314 as analog video signals and audio signals, respectively. In this case, the TV voice output and the radio voice output are mixed in the IF signal processor 630 and output to the audio output unit 314. In this case, the IF signal processor is controlled by the reception controller 313 of FIG. 2 that controls channel tuning. In addition, the output level of the audio output unit 314, that is, the volume, is also controlled by the reception control unit 313 of FIG.

In one embodiment, the decoder 312 generates and outputs a digital YUV signal from the analog video output. The operation of the decoder unit 312 is controlled by the reception control unit 313.

4 is a block diagram illustrating in more detail the configuration of the IF signal processor of FIG. 3. As shown, the IF signal processor 630 is a TV intermediate frequency signal processor for outputting a video signal and an audio signal by intermediate frequency demodulation of the TV intermediate frequency (IF) signal output from the RF demodulator 600, the RF demodulation An FM intermediate frequency signal processing unit for demodulating the FM intermediate frequency signal output from the grandmother 600 and outputting it as a voice signal, and a voice output for outputting a voice signal of the TV intermediate frequency signal processing unit or the FM intermediate frequency signal processing unit. A portion 639 is included.

The TV intermediate frequency signal processing unit receives an image IF signal and pre-amplifies the image preamplifier 631, a VIF phase locked loop (PLL) unit 633 for demodulating the preamplified image IF signal into a baseband signal, and a demodulation. And a voice trap unit 637 which extracts a voice signal from the received signal and supplies it to the voice output unit 639. The VIF PLL 633 outputs a control signal to an FM IF AGC (Automatic Gain Controller) 635 which automatically adjusts the gain of the preamplifier.

The FM intermediate frequency signal processing unit receives an FM IF signal and preamplifies an FM preamplifier 632, an FM IF phase locked loop (PLL) unit 634 for demodulating the preamplified FM IF signal into a baseband signal, The FM narrowband demodulator 638 extracts a speech signal from the baseband signal through FM demodulation and supplies the speech signal to the speech output unit 639. The FM IF PLL 634 outputs a control signal to an FM IF AGC (Automatic Gain Controller) 636 which automatically adjusts the gain of the preamplifier 632.

5 is a flowchart illustrating a user manipulation interface method according to a preferred embodiment of the present invention.

Hereinafter, a description will be given with reference to the drawings.

As shown in FIG. 5, the present invention provides a method of setting a corresponding broadcast channel for each operation button (not shown) in a user interface method of a mobile communication terminal having a broadcast receiving function, and in a broadcast receiving mode. Controlling the broadcast signal to be received and processed (see 507), waiting for the input of the operation button (see 509), and detecting an input of the operation button (see 509). And controlling the broadcast signal to be received and processed (see 513).

According to a preferred embodiment of the present invention, a corresponding broadcast channel is set for each operation button. For example, KBS1 channel is set to number key button "1", KBS2 channel is set to number key button "2", MBC channel is set to number key button "3", and number is set to number key button "4". SBS channel can be set.

According to a preferred embodiment of the present invention, the system control unit 120 controls an operation button (e.g., " 1 " numeric key button) set to a specific channel such as a KBS1 channel while executing a broadcast reception control application (see 507). When the input signal is detected, the channel tuning control signal is output to the reception controller 313 of the broadcast receiver 300 so that the corresponding channel is selected. Accordingly, the control unit receives a broadcast channel signal corresponding to the key button input in operation 513.

Accordingly, as in the related art, the user does not operate the mobile communication terminal to display a channel selection menu screen, and again operates as guided on the screen to select a desired channel. The user can easily and directly select a desired channel by pressing a hot key in which information for selecting a specific channel is matched one-to-one.

For example, when the "1" key is normally pressed, the mobile communication terminal performs a corresponding normal operation (for example, displaying "1" on the display), but in the case of the broadcast reception mode, one-to-one correspondence with the MBC channel tuning command. Will be matched by

According to a further aspect of the invention, the step of waiting for the input of the dedicated key button corresponding to the broadcast reception mode entry command (see 501), and if the input of the dedicated key button is detected, entering the broadcast reception mode; It further comprises (507).

According to a preferred embodiment of the present invention, in order to make the broadcast reception operation of the user more convenient, a dedicated operation button corresponding to the broadcast reception mode entry command is set. Therefore, the system controller 120 always waits for the input of the dedicated operation button at all times (501), and when an input of the dedicated key button is detected (503), a signal for controlling to enter the corresponding broadcast reception mode is provided. Output to the reception control unit 313 of the broadcast reception unit 300.

Accordingly, as in the related art, a user operates a mobile communication terminal to display a broadcast signal receiving menu screen, and operates again as guided on the screen to execute a broadcast signal receiving application, rather than entering a broadcast receiving mode. By pressing the hotkey, you can watch the broadcast easily and directly.

Meanwhile, the operation button detection operation of the system controller 120 may be performed by a known key input task.

In addition, reference numeral 505, which has not been described, is a step performed when the input of the detected operation button is not a predetermined dedicated button, and means, for example, an operation for a call button or other normal operation.

In addition, reference numeral 511, which has not been described, is a step performed when the input of the detected operation button is not for selecting a preset broadcast channel. That is, when a predetermined button is input in the broadcast signal reception mode, this means that the mobile terminal normally operates.

As described above, according to a preferred embodiment of the present invention, as in the prior art, the user operates the mobile communication terminal to display a channel selection menu screen, and again operates as directed in this screen to select a desired channel. not. The user can easily and directly select a desired channel by pressing a hot key in which information for selecting a specific channel is matched one-to-one.

For example, when the "1" key is normally pressed, the mobile communication terminal performs a corresponding normal operation (for example, displaying "1" on the display), but in the case of the broadcast reception mode, one-to-one correspondence with the MBC channel tuning command. Will be matched by

In addition, in order to make the broadcast reception operation of the user more convenient, a dedicated operation button corresponding to the broadcast reception mode entry command is set. Therefore, as in the prior art, a user operates a mobile communication terminal to display a broadcast signal receiving menu screen, and again operates as directed by the screen to execute a broadcast signal receiving application, rather than a hot key for entering a broadcast receiving mode. By pressing, you can watch the broadcast easily and directly.

Although the present invention has been described with reference to the accompanying drawings, it should not be construed as being limited thereto, but should be construed to cover many modifications that are obvious from this.

1 is a diagram illustrating a configuration of a mobile communication terminal according to an embodiment of the present invention.

FIG. 2 illustrates the embodiment of FIG. 1 in more detail. FIG.

3 is a block diagram showing an embodiment of a tuner unit.

4 is a diagram illustrating in more detail the configuration of the IF signal processor of FIG.

5 is a flowchart illustrating a user manipulation interface method according to a preferred embodiment of the present invention.

Claims (3)

In the user interface method of a mobile communication terminal having a broadcast receiving function, Setting a corresponding broadcast channel for each operation button; Entering a broadcast reception mode and controlling the broadcast signal to be received; Waiting for input of the operation button; And And controlling to receive and process a broadcast signal of a corresponding broadcast channel when an input of the manipulation button is detected. 2. The method of claim 1, Waiting for input of a dedicated key button corresponding to the broadcast reception mode entry command; And And when the input of the dedicated key button is detected, entering the broadcast reception mode. The user interface method of claim 1, further comprising entering the broadcast reception mode. The method according to claim 1 or 2, The broadcast channel, Each TV channel and each FM radio channel; User interface method of a mobile communication terminal having a broadcast receiving function characterized in that.