KR0151003B1 - Channel selecting method for tv - Google Patents

Abstract

The present invention relates to a channel tuning method in a video device. The channel selection method of a television inputs an IR command generated from a command signal input / output unit to determine whether it is a menu selection command signal, and performs an IR command function according to the result determined in the first step. Performing a function of the IR command according to the second step of displaying a menu of the second step, specifying a desired menu by inputting an IR command, determining whether the designated menu is in channel tuning mode, and performing the IR command function according to the result of the third step. If the IR command is a channel tuning mode, a fourth step of displaying a ten-key for channel tuning; a fifth step of designating a desired channel and determining whether the designated channel is an effective channel; and a valid channel according to the result of the fifth step. In the case of, if the corresponding channel is selected, and if the channel is invalid, the sixth step is displayed. Accordingly, by displaying the tenki for channel selection on the screen and operating the tenkey on the screen, there is an effect of reducing the key embedded in the transmitter / receiver.

Description

Channel Tuning Method for Video Equipment

1 is a view for explaining image processing according to a channel tuning method in a video device according to the present invention.

2 is a block diagram showing the flow of signals in a television that performs graphics processing separately.

3 is a flowchart for explaining a channel tuning method in a video device according to the present invention.

4A to 4D show screens according to the channel tuning method according to the present invention shown in FIG.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a channel tuning method in a video apparatus, and more particularly, to a method for tuning a channel of a television by displaying ten keys for channel selection on a television screen and manipulating the keys directly on the screen.

In general, ten keys for controlling the functions of a television are built into the transmitter of a television, so that a menu for controlling the functions of the television is displayed on the screen by manipulating the keys embedded in the transmitter, or built into the television transmitter for channel selection. The channel of the television is tuned by manipulating ten keys. However, in the conventional method, there are many keys embedded in the television transmitter, which causes a large transmitter.

Accordingly, an object of the present invention is to provide a channel in an image apparatus that displays ten keys for tuning a television channel on a television screen and selects a desired channel by directly designating a desired channel on the screen. It is to provide a method of tuning.

In order to achieve the above object, the channel tuning method in the video device according to the present invention includes a command signal input / output unit for inputting or outputting a command signal according to a user's operation, and a peripheral device adjusting unit connected to a peripheral device to adjust the peripheral device. And a data storage unit for storing command signals of the command signal input / output unit and the peripheral device control unit as data, an image signal generator for displaying the data in text and graphics, and a signal generated by the image signal generator. In a video device comprising a display unit for processing an image and displaying on a screen, and a control unit for controlling each unit, inputting an IR command generated from the command signal input / output unit, the input IR command to control the function of the television Determining whether the signal is a menu selection command signal; A second step of performing a function of a corresponding IR command if the IR command is not a menu selection command signal as a result of the determination in the first step, and displaying a television control menu on a television screen if the IR command is a menu selection command signal; A third step of designating a desired menu according to an IR command input according to a user's operation, and determining whether the designated menu is a channel tuning mode; A fourth step of performing a function of a corresponding IR command if the IR command is not in channel selection mode, and if the IR command is in channel selection mode, displaying a ten-key for channel selection on a television screen; A fifth step of designating a desired channel according to the user's operation in the displayed Tenki of the channel tuning mode, and determining whether the designated channel is an effective channel; And a sixth step of selecting a corresponding channel in the case of the effective channel according to the result of the fifth step, and displaying the invalid channel in the case of an invalid channel.

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

FIG. 1 is a view for explaining signal processing according to a channel tuning method in a video device according to the present invention, wherein the video device inputs or outputs a command signal for selecting a menu according to a user's operation. A peripheral device control unit 11 connected to a peripheral device such as a video cassette recorder (VCR) or a compact disc player (CDP) to control the peripheral device, a command signal input / output unit 10 or A data storage unit 12 for converting a command signal of the peripheral device adjusting unit 11 into a predetermined value and storing the data as a data; and a video signal generator 14 for generating a signal for displaying the data in text and graphics; And a display unit 16 for image processing the signal generated by the image signal generator 14 and displaying it on the screen, a command signal input / output unit 10, a peripheral device adjusting unit 11, A controller 15 for controlling the storage section 12, the image signal generation unit 14 and the display unit 16.

FIG. 2 is a block diagram showing the flow of signals in a television that performs graphics processing separately, and the same parts as those in FIG. 1 are described with the same reference numerals.

The TV which performs graphics processing separately, displays graphics and cursors in the receiving hall, and moves the cursor to select the function of the television includes an IR transmitter / receiver 20 for inputting or outputting an IR command and an IR command of the IR transmitter. The microprocessor 22 transmits a preamplifier 21, a position detector 24 for converting the output of the microprocessor 22 into an IR command, and transmits the IR signal to the IR receiver, and a micro decoder for decoding and processing the input IR command. The processor 22 performs graphics processing corresponding to the output of the microprocessor 22, performs coordinate value calculation for calculating the position of the cursor, outputs the position of the cursor to the microprocessor 22, and outputs the decoded IR command. A graphic cursor processing unit (CPU) 23 outputted to the control unit 15, a control unit 15 which performs various functions of a television according to the input IR command, and a control unit A tuner 26 for selecting or amplifying a signal of a required channel according to the output of (15), a television signal processor 27 for inputting the signal output from the tuner 26 and processing a composite video signal as a television signal; It is composed of a water tube 28 for displaying a television signal.

3 is a flowchart for explaining a channel tuning method in a video device according to the present invention.

In step 300, the IR command generated by the television transmitter is input. In step 301, it is determined whether the input IR command is a menu selection command signal for controlling the function of the television.

In step 302, as a result of the determination in step 301, if the input IR command is not a menu selection command signal, the corresponding function is performed. In step 303, if the input IR command is a menu selection command signal, the control menu of the television is television. Display on the screen.

In step 304, a desired menu is designated by inputting an IR command generated in the television transmitter according to a user's operation, and in step 305, it is determined whether the designated menu is in channel selection mode.

As a result of the determination in step 305, if the inputted IR command is not in the channel tuning mode, the corresponding function is performed (step 302). In step 306, if the inputted IR command is in the channel tuning mode, the Tenki for channel tuning is selected. Display on the screen.

In step 307, an IR command generated from a television transmitter is input according to a user's operation to designate a desired channel in the displayed Tenki of channel tuning mode, and in step 308, it is determined whether the designated channel is a channel having a broadcast signal. do.

As a result of the determination in step 308, in the case of an effective channel having a broadcast signal, the corresponding corresponding channel is tuned (step 309), and in the case of an invalid channel without a broadcast signal, the invalid channel is displayed on the screen (step 310). ). In operation 310, when the designated channel is an unwanted channel, the designated channel may not be tuned to be processed as an invalid signal.

4A to 4D show screens according to the channel tuning method according to the present invention shown in FIG.

FIG. 4A shows a television screen when a channel tuning mode is selected on the main menu screen displayed on the television screen when an IR command for menu selection is generated on the IR transmitter / receiver 20. In order to tune to a desired channel, FIG. When the position of the transmitter / receiver 20 is set to the channel tuning mode and the menu selection key embedded in the IR transmitter / receiver 20 is pressed, an IR command is generated at the IR transmitter and transmitted to the preamplifier 21 embedded in the television. The IR command is signal-processed by the preamplifier and transmitted to the microprocessor 22, interpreted by the microprocessor 22, and transmitted to the graphic cursor processor (CPU) 23 to perform graphics processing.

4b and 4c show the displayed screen when the designated channel is a valid channel with a broadcast signal when the desired channel is designated in the Tenki of the displayed channel tuning mode, and FIG. 4b shows the channel of the CATV channel selected. 4c shows a screen when a channel of a general broadcasting station is tuned.

FIG. 4D shows a screen in the case where the channel designated in the Tenki of the channel tuning mode is a channel without a broadcast signal or an unwanted channel.

As described above, in the video device according to the present invention, the channel tuning method displays a tenkey for channel tuning on a screen and operates the tenkey on the screen, thereby reducing the number of keys embedded in the transmitter / receiver to reduce the size of the transmitter / receiver. It can work.

Claims (1)

A channel tuning method of a video device, comprising: setting a mode for tuning a channel of the video device by a user's operation, displaying a tenki for channel tuning on a screen of the video device; Designating a desired channel according to a user's manipulation using the displayed tenki; And determining whether the designated channel is an effective channel, and if the channel is valid, selecting the designated channel, and if the channel is invalid, displaying the channel as an invalid channel. .