KR100653305B1 - Mobile communication device for supporting gradation effect in case of opening and closing of cover - Google Patents

Abstract

A mobile communication terminal for supporting gradation effect in case of opening/closing motions of a cover and a method therefor are provided to service gradation by stepwise increasing/decreasing the intensity of illumination of LEDs(Light Emitting Diodes) such as backlight of a display whenever a user opens/closes the cover, thereby realizing aesthetic satisfaction. A power controller(210) increases power for the intensity of illumination of emitted parts according to an open signal, and decreases the power according to a close signal. A controller(230) generates the open signal when a cover is open, and generates the close signal when the cover is closed. The power controller(210) stepwise increases or decreases the power. The power controller(210) controls power of keypad LEDs or power of backlight for a display screen.

Description

Mobile communication device for supporting grading effect in case of opening and closing of cover

1 is a view for explaining a change in illuminance when opening and closing a conventional mobile communication terminal.

2 is a view for explaining the internal structure of a mobile communication terminal according to an embodiment of the present invention.

FIG. 3 is a diagram for describing a relationship between the power control unit and the light emitting circuit unit of FIG. 2.

4 is a view for explaining a light emission phenomenon of a mobile communication terminal according to an embodiment of the present invention.

5 is a view for explaining a method of adjusting the illuminance of a mobile communication terminal according to an embodiment of the present invention.

<Explanation of symbols for main parts of the drawings>

200: mobile communication terminal

210: power control unit

211: light emitting circuit

220: volume control

230: control unit

240: input means

250: output means

251: video output unit

260: wireless transceiver

The present invention relates to a method of changing the illuminance of a mobile communication terminal, and more particularly, to a method of increasing or decreasing the illuminance of light emitting devices according to opening and closing of a mobile communication terminal.

In modern society, communication terminals are used by many people as long-distance communication means. Especially, mobile terminals are widely used as necessities because they provide users with the ability to communicate conveniently on the go, regardless of place. It is becoming. Recently, as the performance of the processor is improved and the resources of the memory are increased, the mobile communication terminal provides various functions as well as the conventional mobile communication service.

Accordingly, various mobile communication terminals are being developed, and each terminal developer is developing a mobile communication terminal having various additional functions to differentiate it from other mobile communication terminals. However, the conventional mobile communication terminal has not changed the light emitting device installed in the mobile communication terminal among its additional functions.

1 is a view for explaining a change in illuminance when opening and closing a conventional mobile communication terminal.

As shown in FIG. 1, when the cover is opened, the conventional mobile communication terminal is uniformly supplied with power to a light emitting device such as a display screen and a keypad light emitting unit of the mobile communication terminal (110). In addition, closing the cover of the mobile communication terminal cuts off the power for maintaining the illuminance in the display, keypad light emitting unit (120), the operation of the mobile communication terminal is terminated.

Therefore, in the related art, the display screen, the keypad light emitting unit, and other light emitting diodes (LEDs) are uniformly turned on and off when all terminals such as a folder and a slide type are opened and closed, so that power is lost. In addition, since the conventional mobile communication terminal is a simple on / off method with respect to the light emitting device, it is necessary to present a differential model by allowing the mobile communication terminal to provide a gradation effect.

The present invention has been made to solve the problems of the prior art as described above, an object of the present invention is to provide a mobile communication terminal in which the illuminance of the light emitting device increases or decreases step by step according to the opening and closing of the cover.

Another object of the present invention is to provide a method of adjusting the illuminance of a mobile communication terminal that provides a gradation effect in a light emitting device for a display screen or the like when opening and closing a cover of the mobile communication terminal.

The mobile communication terminal according to the present invention for achieving the object of the present invention as described above and to solve the above-mentioned problems of the prior art, increases the power for the illuminance of the light emitting portion in accordance with the open signal and the power in accordance with the closed signal A power control unit for reducing; And a control unit generating the open signal when the cover is opened and generating the close signal when the cover is closed, wherein the power adjusting unit gradually increases or decreases the power.

The illumination control method of the mobile communication terminal according to the present invention for achieving another object of the present invention as described above comprises the steps of generating an open signal when the cover is opened; Incrementally increasing power for changing the illuminance of the light emitting portion according to the opening signal; Generating a close signal when the cover is closed; And gradually decreasing power for changing the illuminance of the light emitting portion according to the closing signal.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings and the contents described in the accompanying drawings, but the present invention is not limited or limited to the embodiments. Like reference numerals in the drawings denote like elements.

Hereinafter, embodiments of a mobile communication terminal according to the present invention will be described in detail with reference to the accompanying drawings. In addition, for convenience of description, the opening and closing structure of the mobile communication terminal used in the present invention will be described as an example in the form of a fold, but it is obvious to those skilled in the art that the technical idea of the present invention can be applied to other opening and closing structures as it is. Will do.

2 is a view for explaining the internal structure of the mobile communication terminal 200 according to an embodiment of the present invention.

As shown in FIG. 2, the mobile communication terminal 200 includes a power control unit 210, a light emitting circuit unit 211, a volume control unit 220, a control unit 230, an input unit 240, and an output unit 250. ), An image output unit 251, and a wireless transceiver 260.

As the mobile communication terminal 200 opens and closes the cover of the mobile communication terminal 200, the mobile communication terminal 200 may exhibit a gradation effect of gradually increasing or decreasing illuminance of a light emitting portion having a display screen, a keypad light emitting unit, and other LEDs. It was proposed to make.

To this end, according to an embodiment of the present invention, the mobile communication terminal 200 generates an opening signal when the cover is opened, and gradually increases power for changing the illuminance of the light emitting portion according to the opening signal. It generates a closing signal when the lid is closed. According to the closing signal, the power for changing the illuminance of the light emitting portion is gradually reduced. Accordingly, whenever the cover of the mobile communication terminal 200 is opened or closed, the illuminance of the light emitting device such as the backlight of the display is raised or lowered step by step, thereby providing aesthetic satisfaction to the user and creating a luxurious image. There is an effect to reduce the consumption of.

The power control unit 210 increases power for illuminance of the light emitting portion such as a display screen or keypad light emitting unit according to the opening signal and decreases the power according to the closing signal. That is, an opening signal is generated when the cover of the mobile communication terminal 200 is opened, and when the opening signal is generated, the illuminance of the light emitting part such as the backlight of the display of the mobile communication terminal 200, the light emitting part of the keypad, and other LEDs is determined. The power to increase is increased step by step. In addition, when the cover is closed, a closing signal is generated accordingly, and accordingly, the illuminance of the backlight of the display, the light emitting part of the keypad, and other light emitting parts such as LEDs is gradually reduced by the power adjusting part 210. . Accordingly, the user may feel a gradation effect in which light gradually increases in each light emitting unit. In addition, the power may be supplied differently depending on the degree of opening of the lid. For example, when expressing the degree of opening of the folder in degrees in the clamshell mobile communication terminal 200, the power to express different illuminance according to the open state such as 10 degrees, 20 degrees, ... 90 degrees, ... 160 degrees It may also have the effect of turning on slowly by supplying.

The light emitting circuit 211 operates various light emitting devices such as a backlight of a display connected to the power control unit 210, a light emitting unit of a keypad, and an LED. 3 shows an example of a light emitting circuit that can be used in the present invention.

3 is a diagram for describing a relationship between the power control unit 210 and the light emitting circuit unit 211 of FIG. 2.

The power controller 210 is a device for controlling the voltage / current supplied from the power source HS_PWR to the resistors 330 and the light emitting devices 340. An open signal or a close signal It works according to). The power source HS_PWR may be a voltage source or a current source.

The resistors 330 may be connected to the light emitting devices 340 to control voltage / current, and a variable resistor may be used. As the light emitting devices 340, one or more backlight 341, a light emitting diode, or the like of the display may be used. Therefore, the voltage / current supplied from the power source HS_PWR is controlled by the power control unit 210 so that the voltage / step by step when the light emitting devices 340 respectively connected to the resistors 330 is powered on. When the current is applied, the effect can be turned on slowly, and conversely, when the power is turned off, it can be turned off gradually.

The volume control unit 220 is linked to the increase and decrease of the power of the power control unit 210 when opening and closing the cover. That is, normally, a predetermined ring tone may be output through the speaker when the cover of the mobile communication terminal 200 is opened, and a bell tone may be output through the speaker as well when the cover is closed. According to the present invention, the gradation phenomenon occurs in the light emitting circuit unit 211. At this time, when the bell signal sound is output at a constant pitch, it is awkward. By applying current stepwise, more natural gradation effects can be produced, and high-quality images can be created to increase the added value of the mobile communication terminal.

The controller 230 generates the open signal when the cover is opened and generates the close signal when the cover is closed while performing overall control of each component of the mobile communication terminal 200. Therefore, the light emitting circuit unit 211 may be brightened or darkened step by step according to the signal. In addition, the controller 230 typically includes a processor function for processing all data on a communication terminal associated with a modem DSP (Digital Signal Processor). As more DSPs are provided to process internal signals, such as baseband signals, the operation of each mode may be faster due to the higher processing speed. As the controller 230, a mobile station modem (MSM), a digital signal processor (DSP), an open multimedia application platform (OMAP), or the like may be used.

4 is a view for explaining a light emitting phenomenon of the mobile communication terminal 200 according to an embodiment of the present invention.

As shown in FIG. 4, the mobile communication terminal 200 may include an LCD screen 410, a keypad 420, and an LED 430 in a main body. By gradually increasing or decreasing the voltage / current applied to the backlight of the LCD screen 410 according to the opening signal or the closing signal, the user may confirm that the start screen is gradually brightened in a short time. In addition, the light emitting part of the keypad 420 or the LED 430 may also realize a dramatic effect as a whole by increasing and decreasing the illuminance step by step. In addition, by operating in conjunction with the volume control unit 220 may allow the user to feel a more natural gradation effect.

The input unit 240 is a device for giving or setting various commands to the mobile communication terminal 200. In the present invention, whether or not to apply a gradation effect to each light emitting device such as a backlight of a display. You can set whether or not to increase or decrease together. In addition, one or more keypads, touch screens, touch pads, and voice recognition modules may be used as the input means 240.

The output means 250 is a device used to confirm the setting or constant information of the mobile communication terminal 200. In the present invention, as shown in FIG. . In addition, as the output means, the audio output means such as LCD, organic LED, PDP, LED, such as the visual output means, a ringtone, coloring, MP3, a speaker, earphone, etc. which are provided in the mobile communication terminal 200, And at least one tactile output means using a vibration motor or the like. In addition, the output means may further include a hotkey that can adjust the intensity of illuminance in multiple stages (for example, 3 stages, 5 stages, etc.), so that the user can easily adjust the stage according to the user's taste, thereby increasing convenience. .

The wireless transceiver 260 may perform a mobile communication service while communicating with a base station by transmitting and receiving a signal, and in the present invention, the controller may control the intensity of illuminance to be adjusted according to the strength of the transmitted and received communication signal. Therefore, the user can immediately check the strength and weakness of the radio wave by opening the mobile communication terminal 200 and, if the radio wave is weak, can move to the strong electric field area. In addition, the intensity of power for changing the illuminance may be adjusted in proportion to the amount of power remaining in the terminal battery. Therefore, the user can easily check the remaining amount of the battery can be recognized continuously.

In addition, the mobile communication terminal 200 has a structure of opening and closing a cover for a call connection may be in the form of a clamshell, a slide, a swing. That is, in the present invention, the operation of opening or closing the cover may correspond to the sliding and pulling operation of the cover in the slide type, and may correspond to the operation of rotating to the left or right and returning to the original position in the swing type.

In addition, the mobile communication terminal 200 is a PDC (Personal Digital Cellular) phone, PCS (Personal Communication Service) phone, PHS (Personal Handyphone System) phone, CDMA-2000 (1X, 3X) phone, WCDMA (Wideband CDMA) phone Communication such as Dual Band / Dual Mode phone, Global Standard for Mobile (GSM) phone, Mobile Broadband System (MBS) phone, Digital Multimedia Broadcasting (DMB) phone, Smart phone, mobile phone, etc. Features may include portable devices, public switched telephone network (PSTN) terminals, Voice over Internet Protocol (VoIP), Session Initiation Protocol (SIP), Media Gateway Control Protocol (MGCP), Media Gateway Control (MEGACO), and PDA (Personal) Digital Assistants, Hand-Held PCs, Notebook Computers, Laptop Computers, WiBro Terminals, MP3 Players, Mobile Devices such as MD Players, and International Roaming and Expanded Mobile Communication Services International Mobile Telecommunica provided by IMT-2000 tion-2000) A portable electric electronic device, which means all kinds of handheld-based wireless communication devices, including a terminal, a Universal Mobile Telecommunication Service (UMTS) -based terminal, and the like, and includes a Code Division Multiplexing Access (CDMA) module and a Bluetooth device. (Bluetooth) module, Infrared Data Association (Infrared Data Association), wired and wireless LAN card and can be provided with a predetermined communication module such as a wireless communication device equipped with a GPS chip to enable location tracking through the Global Positioning System (GPS). In addition, the microprocessor capable of performing a multimedia playback function is interpreted as a general term for a terminal capable of performing a certain arithmetic operation.

Hereinafter, the mobile communication terminal 200 according to the present invention described above with reference to FIG. 2 will be described according to the steps of an operation process.

5 is a view for explaining a method of adjusting the illuminance of the mobile communication terminal 200 according to an embodiment of the present invention.

First, the mobile communication terminal 200 generates an open signal when the cover is opened (S510). The opening signal is generated when the cover is opened by the controller 230. In response to the opening signal, the power control unit 210 gradually increases power for changing the illuminance of the light emitting portion such as a display, an LED, or a keypad light emitting unit (S520). In this case, the volume control unit 220 is further provided so as to interlock with the increase and decrease of the power of the power control unit 210 when the cover is opened or closed, or the illuminance in proportion to the strength and weakness of radio waves in which the control unit 230 communicates with a base station. The intensity of can be controlled to be adjusted. In addition, the intensity of power for changing the illuminance may be adjusted in proportion to the amount of power remaining in the terminal battery.

When the cover is closed, generates a closing signal (S530). Similarly to when the cover is opened, the control unit 230 generates the closing signal even when the cover is closed, and accordingly to the closing signal, the power for changing the illuminance of the light emitting portion is gradually reduced (S540). In addition, in step S530 and step S540, the intensity of illumination is adjusted in accordance with the volume control unit 220 in conjunction with the volume control unit 220 in accordance with the strength of the radio wave in communication with the base station and the amount of power remaining in the terminal battery. You can do that. In addition, the opening and closing form for the use of the mobile communication terminal 200 is not particularly limited, and for convenience of the user, the user may conveniently adjust the step with a hotkey that can adjust the intensity of the illumination in a predetermined multi-step. have.

The illumination control method of the mobile communication terminal according to the present invention has been described so far, and the details mentioned in the embodiments of FIGS. 2 to 4 can be applied to the present embodiment as it is, and thus, the following detailed description will be omitted. do.

The illumination control method of the mobile communication terminal according to the present invention can be implemented in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. The medium may be a transmission medium such as an optical or metal wire, a waveguide, or the like including a carrier wave for transmitting a signal specifying a program command, a data structure, or the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

As described above, the present invention has been described by specific embodiments such as specific components and the like, but the embodiments and the drawings are provided only to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. For those skilled in the art, various modifications and variations are possible from such description.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and all the things that are equivalent to or equivalent to the claims as well as the following claims will belong to the scope of the present invention. .

As described above, the mobile communication terminal according to the present invention provides a gradation by gradually increasing or decreasing the illuminance of the light emitting device such as the backlight of the display whenever the user opens or closes the cover, thereby providing aesthetic satisfaction and battery power amount. There is an effect to reduce the consumption of.

Claims (10)

A power adjusting unit for increasing power for illuminance of the light emitting portion in accordance with the open signal and decreasing the power in accordance with the closing signal; The control unit generates the open signal when the cover is opened, and generates the close signal when the cover is closed. Including, And the power control unit increases or decreases the power step by step. The method of claim 1, The power control unit adjusts the power of the backlight for the display screen or the power of the keypad light emitting device Mobile communication terminal, characterized in that. The method of claim 1, The volume control unit further comprises a volume control unit linked with the increase and decrease of the power of the power control unit when opening and closing the cover. The method of claim 1, Further comprising a wireless transceiver for communicating with the base station, The control unit controls to adjust the intensity of the illuminance according to the strength of the communication signal Mobile communication terminal, characterized in that. The method of claim 1, And a hotkey for adjusting the intensity of illuminance in a predetermined multi-level. The method of claim 1, Controlling the intensity of power for changing the illuminance according to the amount of power remaining in the terminal battery Mobile communication terminal, characterized in that. Generating an open signal when the cover is opened; Incrementally increasing power for changing the illuminance of the light emitting portion according to the opening signal; Generating a close signal when the cover is closed; And Gradually reducing power for changing the illuminance of the light emitting portion according to the closing signal; Illuminance control method of a mobile communication terminal comprising a. The method of claim 7, wherein The volume control method of the mobile communication terminal, characterized in that the volume is adjusted in conjunction with the increase and decrease of power for changing the illuminance when opening and closing the cover. The method of claim 1, Structural form of opening and closing the cover for the call connection of the mobile communication terminal is any one of the folding type, slide type, swing type Illuminance control method of a mobile communication terminal, characterized in that. A computer-readable recording medium having recorded thereon a program for executing the method of claim 7.

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