KR20060091177A - Display device and method for guiding input signal thereof - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to input signal guidance, and more particularly, to an imaging apparatus and an input signal guidance method thereof, by allowing a user to easily connect an input signal line to an imaging apparatus by displaying the input signal in the form of an on-screen display. As described above, the present invention provides a method of connecting a video device that receives video or audio data from an external device and outputs the video or audio data from the external device. And determining, if the cables of the external devices are not normally connected, displaying the cable connection guide picture of the external devices in the form of an on-screen display through the display unit of the video device. Therefore, according to the present invention, the general user can easily connect the input signal source to the terminal of the video device through the on-screen display.

Input signal line connection

Description

Display device and method for guiding input signal

1 is a block diagram illustrating a video device according to the present invention;

FIG. 2 is a diagram illustrating a form in which an input signal line connection terminal is displayed on a screen in an image device according to the present invention

3 is a flowchart for explaining a method of guiding input signals in an imaging apparatus according to the present invention;

* Brief description of symbols for the main parts of the drawings *

10: video device 11: tuner

12 control unit 13 infrared receiving unit

14: video decoder unit 15: OSD processing unit

16: image processing unit 17: display unit

18: memory unit 19: interface unit

20: VCR 30: DVD

40: set top box

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to input signal guidance, and more particularly, to an imaging apparatus and an input signal guidance method thereof, by allowing a user to easily connect an input signal line to an imaging apparatus by displaying the input signal in the form of an on-screen display.

Broadcasting is a mass media that targets an unspecified number, which is advantageous because it can be compressed like computer data compression because all elements (video, audio, data) are treated digitally.

After color TV broadcasting, stereo sound, remote control device, subtitle broadcasting, data broadcasting, etc. have adopted some digital technologies. In the 90's, computer and network technologies have been spreading more rapidly, so that the broadcasting field can realize high-definition and multifunctional TV. Digital TV was pursued as a video device.

In the case of digital TV (hereinafter, DTV), one program of HDTV level and three or more programs of SDTV level can be transmitted to one channel, and digital signal transmission and processing make it possible to enjoy a much cleaner screen. The ghost phenomenon can be solved on its own, and radio waves reflected by obstacles can be solved on their own.

Looking at the status of domestic broadcasting, after the pilot broadcast in 2000, the metropolitan area is performing the main broadcast in 2002, the metropolitan city is scheduled for 2004, and will complete the conversion of DTV broadcasting by 2010.

Recently, DTV has been implemented using LCD, PDP or OLED (ORGANIC LIGHT EMITTING DIODES) modules in CRT or projection TV. Such LCDs, PDPs, and OLEDs have the advantage of being considerably thinner than CRTs or projection methods.

Recently, the TV is connected with a personal computer (PC) to view the image output from the personal computer.

In addition, in order to receive digital broadcasting through a digital TV set-top box is an essential component, such a set-top box has an internal or external type.

As such, the digital TV can also watch various images through broadcast signals (RF), external video devices such as VCRs and DVDs, and recently, input sources in a digital video / visual interactive (DVI) or high definition multimedia interface (HDMI) format. It is also watching video through the back, and the sound effect is being enhanced through multi-channel (5.1CH or 7.1CH, etc.) home theater.

The method of connecting such an external input signal line to an image device is generally illustrated in the manual.

However, in the conventional video device, only the connection method between the video device and the external device is connected through a manual, so even if there is no manual, the video device described by each external device is different from the video device currently used by the user. Its structure could be different, making it difficult for general users to connect. This problem is also expected to become more complex as new devices continue to emerge.

The present invention has been made to solve the above problems, and the present invention is to display the input signal in the form of an on-screen display, the user can easily connect the input signal line to the image device and the input signal guide method thereof The purpose is to provide.

According to an aspect of the present invention, there is provided a video device including a tuner for receiving a broadcast program, the video decoder unit decoding a video signal among broadcast signals input through a channel tuned through the tuner; On-screen display (OSD) processing unit for displaying a menu previously stored in the video device by the user, the image decoded by the video decoder unit, the broadcast information processed in the on-screen display processing unit and / or the pre-stored menu format An image processing unit for processing an image so as to conform to the image processing unit, a display unit displaying an image processed by the image processing unit, a memory unit for storing the connection terminal of the image device and the connection terminal of the external device in the form of a picture file, and Picture of a cable connected to the video device is detected and stored in the memory unit It provides a video device characterized in that it comprises a control unit for displaying the job to the display unit through the on-screen display unit.

Here, the video device preferably further comprises an interface for interfacing the external device and the video communication with the video device and detecting a cable connection of the external device and transmitting the same to the controller.

The video device may be at least one of a VCR, a DVD, and a set-top box, and the interface unit may be at least one or more of DVI, RF, RGB, VCR, and S-Video terminals.

In addition, the interface unit is preferably provided with a sensor or a switch for detecting the connection of the external device at the inlet of the terminal.

In this case, the shape of the picture file of the memory unit may be configured to represent the connection state of each external device and the video device period as a character together with the connection terminal shape of the external device and the video device.

The shape of the picture file of the memory unit may be configured to provide a separate help desk item to more specifically guide the position and shape of the external device and the video device terminals.

In order to achieve the above object, the present invention also provides a method for connecting a video device that receives video or audio data from an external device and outputs the same. If the cable of the external device is not connected properly, the input signal guide method of the video device comprising the step of displaying the cable connection guide picture of the external device in the form of an on-screen display through the display unit of the video device; to provide.

Here, the normal connection between the external device and the video device is to determine whether the input signal from the external device is normally input.

Therefore, according to the present invention, the general user can easily connect to the terminal of the video device with respect to the input signal source from the external device through the on-screen display.

Other objects and features of the present invention in addition to the above objects will be apparent from the description of the embodiments with reference to the accompanying drawings.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

1 is a block diagram illustrating a video device according to the present invention.

The imaging apparatus 10 according to the present invention includes a tuner 11, a controller 12, an infrared receiver 13, an image decoder 14, an OSD processor 15, an image processor 16, and a display 17. And a memory unit 18 and an interface unit 19 for storing a picture for guiding the connection between the video device and the external device to the on-screen display.

The tuner 11 tunes a channel in a broadcast signal transmitted through a radio frequency.

When the cable of the external device is connected to the video device through the interface unit 19, the control unit 12 may display the display unit 17 through the OSD processing unit 15 to guide the connection between the external device and the video device through a picture. Display).

The infrared receiver 13 receives a user (manager) control signal, that is, a remote controller infrared signal (Infra Red: IR).

Here, the video decoder 14 decodes a video signal among broadcast signals input through the tuned channel.

The OSD processor 15 displays analog broadcast information (KBPS) or digital broadcast information (PSIP) in a subtitle-type OSD (On Screen Display) in a predetermined region of the display unit 17 or stores the image in the memory unit 18. A process for displaying the guidance of the connection terminal of the device and the connection terminal of the external device is performed.

The image processor 16 processes an image (or mixed) of the image decoded by the image decoder 14 and the broadcast information and / or commercial mode processed by the OSD processor 15 to match the format of the display unit 17. .

The display unit 17 displays an image processed by the image processor 16.

In addition, the memory unit 18 stores the connection terminal of the video device 10 and the connection terminal (cable) of the external device in the form of a picture file.

In addition, the interface unit 19 interfaces the video device communication with an external device (for example, the VCR 20, the DVD 30, the set-top box 40, etc.), detects the cable connection of the external device, and controls the control unit ( 12). At this time, by connecting a sensor (or switch) (not shown) to the inlet of each terminal (for example, DVI, RF, RGB, VCR, S-Video, etc.) of the interface unit 19 to connect an external device cable. Can be detected. In addition, after detecting the connection, the controller 12 determines whether an input signal from an external device is properly input, and determines whether the connection with the external device is properly performed.

2 is a diagram illustrating a form in which an input signal line connection terminal is displayed on-screen of a video device according to the present invention.

Looking at the form of the on-screen display of the input signal line (cable of the external device) connection terminal in the video device according to the present invention, the DVI terminal 50, RF terminal 51 to the interface unit 19 of the video device 10 , An RGB terminal 52, a video (VCR) terminal 53, an S-Video terminal 54, and the like, and each connection state is shown as characters 60 to 64.

In addition, when a terminal having a separate help desk 65 is pressed and the terminal is pressed, the DVI terminal 50, the RF terminal 51, the RGB terminal 52, and the video (VCR) terminal 53 are attached to the video device 10. ) And the position of the S-Video terminals 54 in the video device 10 and the shape of the external cables (terminals).

3 is a flowchart for explaining a method of guiding an input signal in a video device according to the present invention.

In the input signal guiding method of the imaging apparatus according to the present invention, when the cable insertion of the external apparatus is detected (S10), the controller determines whether the input signal from the external apparatus is properly connected (S20).

If the determination result (S20) is normally connected to perform the next operation.

However, if the determination result (S20) is not the normal connection, the cable connection guide as shown in Figure 2 is displayed on the screen form (S30).

Subsequently, it is determined whether the cable is properly connected again (S40).

If the determination result (S40) is not the normal connection, continue to display the cable connection guide picture in the form of an on-screen display.

However, in the case of the normal connection (S40), the on-screen display that was displayed on the display unit is automatically removed after a certain time (S50).

As described above, in the video device and the input signal guidance method according to the present invention, the general user can easily connect to the terminal of the video device with respect to the input signal source through an on-screen display.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the technical spirit of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

Claims (8)

In the video device having a tuner for receiving a broadcast program, A video decoder to decode a video signal among broadcast signals input through a channel tuned through a tuner; An on-screen display (OSD) processor configured to display a menu previously stored in the video apparatus by the user; An image processing unit which processes an image decoded by the image decoder unit, broadcast information processed by the on-screen display processing unit, and / or a pre-stored menu in accordance with a format of a display unit; A display unit which displays an image processed by the image processor; A memory unit for storing the connection terminal of the video device and the connection terminal of the external device in the form of a picture file; And a controller for detecting a connection of a cable of an external device to the image device and displaying the picture file stored in the memory unit on the display unit through the on-screen display unit. The method of claim 1, The imaging apparatus may further include an interface unit that interfaces the external device and the imaging period and detects a cable connection of the external apparatus and transmits the same to the controller. The method of claim 2, The video device is one or more of VCR, DVD and set-top box, And the interface unit is at least one of DVI, RF, RGB, VCR, and S-Video terminals. The method of claim 3, wherein And the interface unit includes a sensor or a switch for detecting a connection of the external device at an inlet of the terminal. The method of claim 1, The picture file type of the memory unit is configured to represent the connection state of each external device and the video device period in a letter together with the connection terminal type of the external device and the video device. The method of claim 5, wherein The picture file type of the memory unit is configured to provide a separate help desk item to guide the location and shape of the external device and the video device terminals in more detail. In the connection method of a video device that receives video or audio data from an external device and outputs the same, Determining whether the cable is normally connected when the cable of the external device is detected; And if the cables of the external devices are not normally connected, displaying the cable connection guide picture of the external devices in the form of an on-screen display through the display unit of the video device. The method of claim 7, wherein The normal connection between the external device and the video device determines whether an input signal from the external device is normally input.

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