KR20050012010A - Apparatus and Method for flash and indicator of state information in wireless telecommunication terminal - Google Patents

Abstract

PURPOSE: An apparatus and method for displaying flash and state information in a mobile terminal are provided to reduce a cost according to omission of a component such as a light emitting unit and heighten utilization of an external space. CONSTITUTION: A flash unit(250) flashes light. An adjusting unit(280) adjusts brightness of light flashed by the flash unit(250). Switching units(260,270) transfers power applied from a power supply unit to the flash unit(250) or to the adjusting unit(280) according to a control signal from a calculation/control unit(230). The calculation/control unit(230) controls the flash unit(250) to emit with brightness which has been adjusted by the adjusting unit(280) to display state information or controls the flash unit(250) to flash light required for obtaining an image of a subject.

Description

Apparatus and Method for flash and indicator of state information in wireless telecommunication terminal

The present invention relates to a flashing and status information display apparatus and a method thereof in a wireless communication terminal, and more particularly, to display status information according to an event such as an incoming call notification by adjusting the brightness of a flashing means having a flashing function. The present invention relates to a flashing and status information display apparatus and a method thereof in a communication terminal.

In the present invention, a wireless communication terminal is a mobile communication terminal, a personal digital communication terminal (PCS), a personal digital terminal (PDA), a smart phone, a next generation mobile communication terminal (IMT-2000), wireless communication while being carried by an individual such as a wireless LAN terminal. Say this is possible terminal.

Recently, thanks to the development of the wireless communication terminal industry and digital technology, the wireless communication terminal not only provides functions such as voice call and text message transmission, but also provides a camera function to capture an image of a subject. In addition, some products are equipped with a flash (flash) in the wireless communication terminal to take a picture of the subject in a night or a dark environment.

1 is a perspective view of an embodiment of a wireless communication terminal equipped with a conventional flash.

As shown in FIG. 1, a conventional wireless communication terminal equipped with a flash includes a camera 100 for acquiring an image of a subject, and a flash for flashing light to capture an image of the subject in a night or dark environment. 110, an external liquid crystal display 120 for outputting brief information such as a current time, and a light emitting device 130 for displaying status information of a wireless communication terminal according to an event such as an incoming call notification or a battery discharge warning. .

However, according to the conventional wireless communication terminal as described above, the components that perform a similar function of flashing light, such as the flash 110 and the light emitting device 130, respectively, must be mounted, and according to the configuration of the components separately There is a problem that the cost is increased, the external space utilization is reduced, and the beautiful design is difficult.

The present invention has been proposed to solve the above problems, and adjusts the brightness of the flashing means having a flashing function to display status information according to an event such as an incoming call, flashing and status information display apparatus in the wireless communication terminal And a method thereof.

1 is a perspective view of an embodiment of a wireless communication terminal equipped with a conventional flash.

2 is a block diagram of a flash and status information display device in a wireless communication terminal according to the present invention;

Figure 3 is a circuit diagram of an embodiment of a flash and status information display apparatus in a wireless communication terminal according to the present invention.

Figure 4 is a flow diagram of an embodiment of a flash and status information display method in a wireless communication terminal according to the present invention.

* Explanation of symbols on the main parts of the drawing

200: wireless transceiver 210: power supply

220: memory 230: operation / control unit

240: camera portion 250: flash portion

260: first switching unit 270: second switching unit

280: brightness control unit

An apparatus of the present invention for achieving the above object, the flash and status information display device in a wireless communication terminal, flashing means for flashing light; Adjusting means for adjusting the brightness of the light flashed by the flashing means; Switching means for transferring the power applied from the power supply means to the flashing means or the adjusting means in accordance with a control signal of the calculation / control means; And the computing / control means for controlling the switching means to display the state information by emitting the flashing means at the brightness adjusted by the adjusting means, or to cause the flashing means to flash the light necessary for obtaining a subject image. It includes.

Meanwhile, the method of the present invention, in the method of displaying the flash and status information in the wireless communication terminal, adjusts the status information corresponding to the corresponding event signal as an event signal such as an incoming call notification, undetected reception signal, or battery discharge warning is generated. A first step of emitting and displaying light from the flashing means at a brightness weakened by the means; A second step of checking whether an image capturing input signal is generated; And a third step of flashing the light necessary for the image acquisition by the flashing means.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram of an embodiment of a flash and status information display apparatus in a wireless communication terminal according to the present invention.

As shown in FIG. 2, the flash and status information display apparatus in the wireless communication terminal according to the present invention includes a wireless transceiver 200 for transmitting and receiving a signal wirelessly, a power supply unit 210 for supplying power, and A memory 220 for storing a program for driving the wireless communication terminal and various data, a function for input / output between the user and the wireless communication terminal, an operation / control unit 230 for controlling each component, and a subject A camera unit 240 for acquiring an image of the camera, a flash unit 250 for flashing light necessary for obtaining a subject image, or displaying status information according to an event such as an incoming call notification or a battery discharge warning; A first switching unit 260 that is turned on according to a control signal of the controller 230 and transfers power applied from the power supply unit 210 to the flash unit 250, and the operation / control The second switching unit 270 for transmitting the power applied from the power supply unit 210 to the flash unit 250 through the brightness adjusting unit 280 according to the control signal of the unit 230. And, as the second switching unit 270 is turned on to reduce the intensity of the power applied from the power supply unit 210 to adjust the brightness of the light emitted from the flash unit 250, the brightness control unit 280 ). In addition, although not shown in the drawings, a speaker for outputting voice, etc., a microphone for receiving voice, etc., a keypad for generating an input signal such as a phone number, image shooting mode setting / release through a button, and It further includes a liquid crystal display for outputting a screen by the control of the operation / control unit 230. In addition, the wireless communication terminal includes basic components (not shown) for wireless communication.

The calculation / control unit 230 normally turns on the second switching unit 270 and turns off the first switching unit 260 when the camera unit 240 does not perform the function. The flasher 250 emits light by displaying the state information according to an event such as an incoming call notification, a non-detection of a received signal, a battery discharge warning, etc. at an intensity controlled by the brightness controller 280. Here, when the event occurs, the operation / control unit 230 controls the on / off of the second switching unit 270 in various manners according to an event such as an incoming call notification, undetected reception signal, or battery discharge warning. Information may be displayed differently in the flash unit 250.

In addition, the operation / control unit 230 turns on the first switching unit 260 and turns off the second switching unit 270 when the image capturing mode is set, so that the flash unit 250 is configured to illuminate the subject. Try to flash the light. In addition, not only a state in which the image capturing mode is set, but also the light may be continuously emitted by the scintillator 250 under the control of the operation / control unit 230 so as to illuminate a dark place.

When the image capturing input signal is generated, the flash unit 250 applies power from the power supply unit 210 as the first switching unit 260 is temporarily turned on / off by the control of the operation / control unit 230. The light may be flashed at a moment when the image capturing input signal is generated, or may be continuously emitted as the on state continues. In addition, the flash unit 250 is composed of light emitting elements having various colors, and when the image capture input signal is generated, the flash unit 250 instantly emits light of various colors by the control of the operation / control unit 230. Can be flashed a plurality of times, so that a person who is the subject of the subject can be notified that he or she is a photographing target.

Meanwhile, when the event signal is generated, the flash unit 250 is turned on by the brightness control unit 280 and the power supply unit 210 as the second switching unit 270 is turned on by the control of the operation / control unit 230. The state information corresponding to the event signal is displayed as light by receiving the power of which power intensity is adjusted.

The first switching unit 260 is turned on / off under the control of the operation / control unit 230, and when turned on, when the image photographing input signal is generated, the first switching unit 260 may acquire an image by illuminating the subject with a predetermined time. Off time, 2 seconds, etc.). When the image capturing input signal is generated, the second switching unit 270 is in an off state. In this case, the first switching unit 260 is turned on only when an image capturing input signal is generated, thereby transferring power applied from the power supply unit 210 to the flash unit 250 to prevent power consumption.

The second switching unit 270 is turned on / off under the control of the operation / control unit 230 and turned on as an event signal such as an incoming call notification, a non-detection of a received signal, a battery discharge warning, and the like is generated. The power applied from the 210 is transferred to the brightness controller 280. Meanwhile, when the image capturing input signal is generated under the control of the operation / control unit 230, the second switching unit 270 is turned off.

The brightness controller 280 adjusts the intensity of the power applied from the power supply unit 210 as the second switching unit 270 is turned on to adjust the brightness of the light flashed by the flash unit 250. . For example, the flash unit 250 emits light that is stronger or weaker than the brightness of the light in the image capturing mode. Preferably, since the number of times of displaying status information according to an event such as an incoming call is frequently used, weaker light may be emitted when a subject image is acquired.

As another embodiment, the first switching unit 260 and the second switching unit 270 may be configured as one switching unit and applied from the power supply unit 210 according to a control signal of the operation / control unit 230. Power may be transferred to any one component of the flasher 250 and the brightness controller 280.

3 is a circuit diagram of a flash and status information display device in a wireless communication terminal according to the present invention.

As shown in FIG. 3, the flash unit 250 includes a plurality of light emitting devices, and the brightness controller 280 includes a current limiting resistor.

As the image capturing input signal is generated, the operation / control unit 230 turns on the first switching unit 260 and turns off the second switching unit 270. Then, the power applied from the power supply unit 210 is applied to the flash unit 250 through the first switching unit 260. Then, light is flashed by the flash unit 250.

Meanwhile, when an event signal such as an incoming call notification or a battery discharge warning occurs, the operation / control unit 230 turns on the second switching unit 270 while the first switching unit 260 is turned off. Then, the power applied from the power supply unit 210 is applied to the brightness control unit 280 through the second switching unit 270, the intensity of the power applied from the brightness control unit 280 is weakened so that the flash unit ( 250). Then, the light having a reduced brightness (compared to the case where the image capturing input signal occurs) is emitted from the flash unit 250.

4 is a flowchart illustrating a flash and status information display method in a wireless communication terminal according to the present invention.

First, in the state in which the second switching unit 270 is turned on, state information according to an event such as an incoming call notification is displayed as light of weak brightness emitted from the flash unit 250 (400). Here, by controlling the on / off of the second switching unit 270 in various ways, the brightness controller 280 weakens the state information according to various events such as an incoming call notification, undetected reception signal, and a battery discharge warning. The flash unit 250 emits light at an intensity to display variously.

Thereafter, it is checked whether an image capturing input signal is generated (401).

When the inspection result 401 generates an image capturing input signal, the flash unit 250 emits light necessary to acquire an image of a subject by turning off the second switching unit 270 and turning on the first switching unit 260. Flashes (402). Here, the flash unit 250 flashes light momentarily when the image capturing input signal is generated by temporarily turning on / off the first switching unit 260 under the control of the operation / control unit 230. The light may be continuously emitted, or continuously kept on.

Thereafter, the controller continuously checks whether an image capturing input signal is generated (403), and when the image capturing signal continues to be generated, the flashing unit maintains the state of the first switching unit 260 and the second switching unit 270 as it is. In operation 250, a light necessary for obtaining a subject image is flashed.

On the other hand, if the inspection result 403, the image capture input signal does not occur, the process proceeds to the step 400, the state information according to the event such as incoming call flashing unit 250 in the state that the second switching unit 270 is turned on Through).

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes can be made in the art without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

The present invention as described above, by displaying the state information according to an event such as incoming through the brightness control of the flashing means, it is not necessary to provide a component such as a separate light emitting device, it is possible to reduce the cost, the external space The utilization can be increased and accordingly the exterior design can be beautiful, thereby improving the purchasing power of the user.

Claims (6)

In the flash and status information display apparatus in a wireless communication terminal, Flashing means for flashing light; Adjusting means for adjusting the brightness of the light flashed by the flashing means; Switching means for transferring the power applied from the power supply means to the flashing means or the adjusting means in accordance with a control signal of the calculation / control means; And The operation / control means for controlling the switching means to display the state information by emitting the flashing means at the brightness controlled by the adjusting means, or to cause the flashing means to flash the light necessary for obtaining a subject image. Flash and status information display device in a wireless communication terminal comprising a. The method of claim 1, The adjusting means, Flashing in the wireless communication terminal, characterized in that to reduce the intensity of the power applied as the power is supplied by the switching of the switching means so that the light of less brightness than the light required for the subject image acquisition flashes in the flash means; Status information display device. The method of claim 2, The adjusting means, Flash and status information display device in a wireless communication terminal, characterized in that the current limiting resistor. The method according to any one of claims 1 to 3, The calculation / control means, The flashing and status information display apparatus of the wireless communication terminal, characterized in that the control means for controlling the switching means as the image capture input signal is generated so that the light necessary for obtaining the subject image from the flashing means. The method according to any one of claims 1 to 3, The calculation / control means, In response to an event signal such as an incoming call notification, undetected reception signal, or battery discharge warning, the switching means is controlled to emit the flashing means at the brightness controlled by the adjustment means to display status information corresponding to the event signal. Flash and status information display device in a wireless communication terminal, characterized in that the. In the flash and status information display method in a wireless communication terminal, A first step of displaying the state information corresponding to the corresponding event signal by emitting light from the flashing means with brightness reduced as an event signal such as an incoming call notification, undetected reception signal, or a battery discharge warning is generated; A second step of checking whether an image capturing input signal is generated; And A third step of flashing the light necessary for the image acquisition by the flashing means; Flash and status information display method in a wireless communication terminal comprising a.