KR20060072540A - Broadcasting receiver and channel switching method thereof - Google Patents

Abstract

The present invention relates to a broadcast receiving device and a channel switching method thereof, comprising: a key signal input unit for generating a command signal including channel switching according to a user's operation; A memory in which broadcast reception channels assigned with auxiliary channel numbers connected to the primary channel number are stored grouped by the primary channel number; The control unit receives a command signal generated by the key signal input unit and generates a control signal. When the command signal is a channel switching command signal between groups, the controller generates a control signal to search for and receive grouped broadcast receiving channels in the memory. Wow; The broadcast receiving device is configured to include a video processor which receives a received channel control signal generated by the controller and processes a received video signal.

Accordingly, the present invention can perform switching between broadcast receiving channel groups and intra-group channel switching, thereby making it possible to more conveniently switch between multi-channel broadcasting channels such as digital television broadcasting.

Channel, conversion, group, up, down

Description

Broadcasting receiver and channel switching method             

1 is a diagram for explaining a general digital broadcast channel configuration

2A and 2B are schematic plan and partial cross-sectional views of a remote control for a broadcast receiving device according to the prior art.

3A and 3B are schematic plan and partial cross-sectional views of a remote control for a broadcast receiving device according to another prior art;

4 is a schematic structural block diagram of a broadcast receiving device according to the present invention;

5 is a diagram illustrating broadcast reception channels stored in a memory of a broadcast reception device according to the present invention.

6A and 6B illustrate an operation of switching a channel by selecting an up / down key of a key signal input unit according to the present invention.

7A and 7B are schematic plan and partial cross-sectional views of a key signal input unit of a broadcast receiving device according to the present invention.

8A and 8B are schematic plan and partial cross-sectional views of a key signal input unit of another broadcast receiving device according to the present invention.                 

9A and 9B are schematic plan and partial cross-sectional views of a key signal input unit of another broadcast receiving device according to the present invention.

10 is a flowchart of a method for switching channels in a broadcast receiving device according to the present invention.

<Description of the symbols for the main parts of the drawings>

100,200: key signal input unit 110: memory

120: control unit 130: image processing unit

210,220,230: Up key for switching between channel groups

211,221,231: Channel Up key in the loop of the channel group

212,222,232: Channel Down key in the loop of the channel group

213,223,233: Down key for switching between channel groups

The present invention relates to a broadcast receiving device and a channel switching method thereof, and more particularly, to switch between broadcast receiving channel groups and intra-group channel switching, thereby more conveniently switching multi-channel broadcast channels such as digital television broadcasting. The present invention relates to a broadcast receiving device and a channel switching method thereof.                         

In general, a method of setting a broadcast channel in a broadcast signal receiving apparatus includes a method of directly inputting a channel number in a key signal selection unit, a method of selecting a channel up / down with a channel up / down key and an EPG ( Electronic Program Guide) allows you to select a broadcast program you want to watch and select a channel.

FIG. 1 is a diagram illustrating a general digital broadcast channel configuration. In the analog broadcast channel, broadcast programs are assigned to channel numbers such as '6', '7', and '9'. A sub channel number is connected to a main channel number such as '6-2', '6-3' ... '100-100', and a broadcast program is allocated.

That is, digital broadcasting is capable of more multi-channel broadcasting than analog broadcasting, and dozens of auxiliary channel numbers are connected to each main channel number and allocated as a channel of a broadcast program.

2A and 3A are schematic plan views of a remote control for a broadcast receiving apparatus according to the prior art, and FIGS. 2B and 3B are schematic partial cross-sectional views of a-a 'and b-b' lines of FIGS. 2A and 3A, respectively. The remote controller 10 for the reception device is provided with channel up keys 11 and 13 and down keys 12 and 14.

In addition, the channel up / down keys 11 and 12 as shown in FIG. 2B are mounted on the remote controller 10 with their top surfaces spaced apart from each other, and the channel up / down keys 13 and 14 as shown in FIG. 3B. ) Is mounted on the remote controller 10 is the side surface in contact with each other in an inclined shape.

Here, when the user selects the channel up key, the channel is switched to the upper channel from the channel currently viewed by the user, and when the user selects the channel down key, the channel is switched to the lower channel.

As described above, the up / down key for channel switching provided in the conventional remote controller can be used without a problem in an analog broadcast receiver having a small number of channels, but in a digital broadcast receiver having a large number of channels, switching to a desired broadcast channel. In order to solve this problem, the user needs to press more up / down keys.

That is, when there are 50 auxiliary channels connected to the primary channel number 6, when the current broadcast channel is '6-1', when the user switches to the '7-1' channel, the user must press the up key 50 times to select.

Therefore, in the up / down keys of the conventional remote controller, it takes a lot of time to select a broadcast channel desired by the user, and there is a very troublesome problem.

In order to solve the above problems, the present invention can perform the switching between the broadcast receiving channel group and the channel switching within the group, so that the broadcast receiving device which can switch the multi-channel broadcasting channel such as digital television broadcasting more conveniently. And a channel switching method thereof.

According to a preferred aspect of the present invention, there is provided a key signal input unit for generating a command signal including channel switching according to a user's operation;

A memory in which broadcast reception channels assigned with auxiliary channel numbers connected to the primary channel number are stored grouped by the primary channel number;                         

The control unit receives a command signal generated by the key signal input unit and generates a control signal. When the command signal is a channel switching command signal between groups, the controller generates a control signal to search for and receive grouped broadcast receiving channels in the memory. Wow;

Provided is a broadcast receiving device including a video processor which receives a received channel control signal generated by the controller and processes a received video signal.

Another preferred aspect for achieving the above objects of the present invention is a first step of receiving a channel switch command signal generated by user selection;

Determining whether the channel change command signal is a command signal for switching to a higher channel group than a channel group to which a broadcast program channel currently viewed by a user belongs;

A third step of switching from a current channel group to a higher channel group if the command signal is switched to a higher channel group in the second step;

Determining whether the channel switch command signal is a command signal for switching from a channel loop in the switched channel group to an upper channel;

In the fourth step, if the command signal to switch to the upper channel in the channel group, there is provided a channel switching method of the broadcast receiving device comprising a fifth step of switching from the current channel in the channel group to the upper channel.

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

4 is a schematic block diagram of a broadcast receiving device according to the present invention, comprising: a key signal input unit 100 for generating a command signal including channel switching according to a user's operation; A memory 110 in which broadcast reception channels assigned with auxiliary channel numbers connected to the primary channel numbers are grouped and stored as primary channel numbers; Receives a command signal generated by the key signal input unit 100 to generate a control signal. When the command signal is a channel switching command signal between groups, the memory 110 may search for and receive grouped broadcast reception channels. A control unit 120 generating a control signal; The controller 120 includes an image processor 130 that receives the received channel control signal and processes the received image signal.

The channel switch command signal includes a command signal for switching between channel groups and a command signal for channel switching in a channel loop in the channel group.

FIG. 5 is a diagram illustrating broadcast reception channels stored in a memory of a broadcast reception device according to the present invention. In the memory of the broadcast reception device, broadcast reception channels to which auxiliary channel numbers are connected are allocated to primary channel numbers. Grouped by number and stored.

First, as shown in FIG. 5, when the broadcast reception channel has auxiliary channel numbers of 1,2 and 3 connected to the primary channel number '6', '6-1', '6-2', '6 '3' is allocated to the broadcast reception channel.

In addition, when there is a secondary channel number of 1,3,10,11,20 connected to the primary channel number '7', '7-1', '7-3', '7-10', '7-11 ',' 7-20 'is assigned to the broadcast reception channel.

Therefore, in the memory of the broadcast reception device, broadcast reception channels of '6-1', '6-2' and '6-3' are grouped by the main channel number '6' and stored as 'A' channel group, Broadcast receiving channels of '7-1', '7-3', '7-10', '7-11', '7-20' are grouped by main channel number '7' and saved as 'B' channel group It is.

6A and 6B illustrate an operation of switching a channel by selecting an up / down key of a key signal input unit according to the present invention. As described above, a channel change command generated by a key signal input unit is described. If the signal is a channel-to-channel switching command signal, as shown in Fig. 5, it is switched between 'A', 'B', 'C' and 'D' grouped in the memory.

That is, as shown in FIG. 6A, when the current channel group is 'C', selecting the Up key switches to the 'D' channel group, and selecting the Down key switches to the 'B' channel group. do.

If the channel switch command signal generated by the key signal input unit is a channel switch command signal in a channel loop in the corresponding channel group, as shown in FIG. 5, 'A', 'B', and 'C' grouped in the memory. 'D' Channels are switched in the channel loop in each channel group.

That is, as shown in FIG. 6B, when the current channel group is 'B' and the current channel is '7-10', selecting the Up key switches to the '7-11' channel and down. ) Key will change to the '7-3' channel.

7A, 8A and 9A are schematic plan views of a key signal input unit of a broadcast receiving device according to the present invention, and FIGS. 7B, 8B and 9B are lines A-A 'of FIGS. 7A, 8A and 9A, As a schematic partial cross-sectional view of lines B-B 'and C-C', the key signal input unit 200 is the same as a wireless remote controller or an operation panel.

The key signal input unit 200 includes an up key 210, 220, 230 for switching between channel groups, a down key 213, 223, 233 for switching between channel groups, and a channel within a loop of the corresponding channel group. Up keys 211, 221, 231 and channel down keys 212, 222, 232 are provided in the loop of the channel group.

As described above, when the up key (210, 220, 230) for switching between channel group groups and the down key (213, 223, 233) for switching between channel groups are selected, it is higher in the current channel group. Switch to channel group or sub channel group.

When the channel up key 211, 221, 231 is selected in the loop of the channel group and the channel down key 212, 222, 232 is selected in the loop of the channel group, the upper channel is selected from the current channel in the loop of the channel group. Or switch to the lower channel.

On the other hand, the key signal input unit 200 has an up key 210, 220, 230 for switching between channel groups, a channel up key 211, 221, 231 in a loop of the channel group, and a loop of the channel group. The channel down keys 212, 222, 232 and the down key 213, 223, 233 for switching between channel groups are preferably arranged.

In addition, the up / down keys have a flat top surface as shown in FIG. 7B, and the keys are spaced apart from each other and mounted on the key signal input unit 200, or the top surfaces of the keys as shown in FIG. 8B are inclined. Two pairs of shapes and spaced apart from each other, and the sides of each pair of keys are in contact with each other and mounted on the key signal input unit 200.                     

In addition, it is preferable that the upper surface of each key is inclined as shown in FIG. 8C, and the side surfaces of the keys are in contact with each other and mounted on the key signal input unit 200.

10 is a flowchart of a method for switching channels in a broadcast receiving device according to the present invention. First, a channel switching command signal generated by user selection is received.

The channel switch command signal is generated by a key signal input unit by a user's selection, and the controller of the broadcast receiving device receives the channel switch command signal.

Here, the channel switch command signal includes a channel switch command signal between channel groups and a channel switch command signal in a channel loop in the channel group.

Thereafter, it is determined whether the channel switch command signal is a command signal for switching to a higher channel group than the channel group to which the broadcast program channel currently viewed by the user belongs (step S20).

Subsequently, in the step S20, if the command signal for switching to the upper channel group, the switch to the upper channel group from the current channel group (step S30).

Subsequently, it is determined whether the channel switch command signal is a command signal for switching to a higher channel from a channel loop in the switched channel group (step S40).

Then, in step S40, if the command signal to switch to the upper channel in the channel group, and switches from the current channel in the channel group to the upper channel (step S50).

In addition, in step S40, if the command signal for switching to the lower channel in the channel group, the switch to the lower channel from the current channel in the channel group (step S60).                     

On the other hand, if the command signal for switching to the lower channel group in the step S20, the switch to the lower channel group from the current channel group (step S70).

Thereafter, it is determined whether the channel switch command signal is a command signal for switching from the channel loop in the switched lower channel group to the upper channel (step S80).

Then, in step S80, if the command signal to switch to the upper channel in the channel group, the channel loop in the channel group (Loop) to switch to the upper channel (step S90).

In operation S80, if the command signal is for switching to a lower channel in the channel group, the current channel in the channel group is switched to the lower channel.

As described above, the present invention can perform the switching between the broadcast receiving channel groups and the intra-group channel switching, thereby making it possible to more conveniently switch between multi-channel broadcasting channels such as digital television broadcasting.

Although the invention has been described in detail only with respect to specific examples, it will be apparent to those skilled in the art that various modifications and variations are possible within the spirit of the invention, and such modifications and variations belong to the appended claims.

Claims (9)

A key signal input unit for generating a command signal including channel switching according to a user's operation; A memory in which broadcast reception channels assigned with auxiliary channel numbers connected to the primary channel number are stored grouped by the primary channel number; The control unit receives a command signal generated by the key signal input unit and generates a control signal. When the command signal is a channel switching command signal between groups, the controller generates a control signal to search for and receive grouped broadcast receiving channels in the memory. Wow; And a video processor which receives the received channel control signal generated by the controller and processes the received video signal. The method of claim 1, The channel switch command signal is, And a command signal for switching a channel in a channel loop within the channel group. The method of claim 1, The key signal input unit, Up key for switching between channel groups, Down key for switching between channel groups, Channel Up key in loop of corresponding channel group and channel in loop of corresponding channel group A broadcast receiving device comprising a down key. The method of claim 1, The key signal input unit, Up key for switching between channel groups, Channel Up key in loop of corresponding channel group, Channel down key and switching between channel group in loop of corresponding channel group A broadcast receiving device, characterized in that arranged in the order of the down key. The method according to claim 3 or 4, The up / down keys are The upper surface of each of the keys is a flat shape, and each of the keys are mounted to the key signal input unit spaced apart from each other, The upper surface of each of the keys is inclined shape, consisting of two pairs spaced apart from each other, the sides of each pair of keys are in contact with the key signal input unit, Or, the upper surface of each of the keys is inclined, and the side surfaces of the keys are in contact with each other and are mounted on the key signal input unit. Receiving a channel switch command signal generated by a user selection; Determining whether the channel change command signal is a command signal for switching to a higher channel group than a channel group to which a broadcast program channel currently viewed by a user belongs; A third step of switching from a current channel group to a higher channel group if the command signal is switched to a higher channel group in the second step; Determining whether the channel switch command signal is a command signal for switching from a channel loop in the switched channel group to an upper channel; And a fifth step of switching from a current channel in the channel group to a higher channel if the command signal is a command signal for switching to a higher channel in the channel group. The method of claim 6, In the fourth step, if the command signal for switching to the lower channel in the channel group, the channel switching method of the broadcast receiving device, characterized in that for switching to the lower channel from the current channel in the channel group. The method of claim 6, A sixth step of switching from the current channel group to the lower channel group if the command signal is switched to the lower channel group in the second step; A seventh step of determining whether the channel switch command signal is a command signal for switching from a channel loop in the switched lower channel group to an upper channel; In the seventh step, if the command signal for switching to the upper channel in the channel group, the eighth step of switching from the channel loop (Loop) in the channel group to the upper channel is further provided for channel switching of the broadcast receiving device Way. The method of claim 6, In the seventh step, if the command signal for switching to the lower channel in the channel group, switching from the current channel in the channel group to the lower channel channel switching method of the broadcast receiving device.

Images