JP3877486B2 - Broadcast reception system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a receiver that can receive a plurality of broadcasts such as a normal analog TV broadcast and a satellite broadcast, or a receiver that receives a broadcast in which a plurality of programs are transmitted from one broadcast station such as a digital broadcast. This is a technique related to channel selection means.
[0002]
[Prior art]
As a conventional technique, a case of selecting a program with a digital broadcast receiver will be described. For example, in US digital broadcasting, a major channel corresponding to a broadcasting station and a minor channel corresponding to a program are set, thereby selecting a predetermined program. Is made.
[0003]
As a method of channel selection in a specific digital broadcast receiver, when channel selection is performed with a general remote controller having a numeric key and an up / down key, “XX.YY”, There are a method of directly inputting the major channel number XX and a minor channel number YY and a method of selecting a channel by sequentially switching a program with a channel up / down key. In either case, a plurality of key operations are performed. is required.
[0004]
In order to improve operability, a method using the cross cursor key has also been proposed. In this method, first, a channel is displayed on the TV screen, and the channel is selected by selecting with the cross cursor key. In the channel selection method, two actions are displayed and selected, and the operability is poor.
[0005]
Japanese Laid-Open Patent Publication No. 11-164216 proposes a method for solving this problem, enabling tuning with a simple operation, and improving operability when performing multi-channel tuning.
The publication describes a channel selection circuit for selecting a television broadcast signal, an up / down / left / right cursor key input means for performing input by selecting up / down / left / right by manual operation, and a virtual position array as a storage area. And a memory for storing channel data that can be selected in this virtual position array, and a designated position can be moved vertically and horizontally in the virtual position array based on the operation of the up / down / left / right cursor key input means. A control circuit that causes the channel selection circuit to select the channel data stored in the virtual position of the position, and selectable channel data is taken in and arranged in the virtual position, for example, when adjacent channels are arranged on the left and right Use the cursor left / right keys to up / down the channel and the cursor up / down keys to skip a few channels An invention that allows to achieve increased efficiency.
Arrange virtual positions, arrange frequently viewed programs close, arrange channels by category, and select categories by up / down selection operations on the up / down / left / right cursor key input means. It has also been proposed to improve channel selection efficiency by switching channels within a category by a selection operation.
[0006]
[Problems to be solved by the invention]
However, compared to analog broadcasting and current satellite broadcasting, digital broadcasting increases the number of programs by broadcasting several programs at one broadcast station. It is inefficient to select a program, and a plurality of key operations are inevitable even with direct channel selection.
[0007]
In addition, it is impossible to achieve a significant improvement in efficiency even in the channel selection method using the sequential cursor keys or skipping described in JP-A-11-164216, and the number of programs is enormous. When this happens, it is impossible to display the virtual position array in the OSD manner, or there is a problem that the channel selection operation is complicated.
[0008]
The present invention associates broadcast stations and programs with the up / down / left / right operations of the cross-cursor keys, respectively, thereby greatly improving the efficiency in channel selection and selection operations, and grasping the number of receivable broadcast stations and programs. An object of the present invention is to provide a broadcast receiving apparatus with better operability in combination with direct input or skip operation by displaying OSD and using it together with numeric key input.
[0009]
[Means for Solving the Problems]
A first invention is a broadcast receiving system for receiving a broadcast in which a plurality of programs are transmitted from one broadcast station, wherein the receivable broadcast station information extracting means, receivable program information extracting means, OSD The remote controller and / or the apparatus main body is provided with a display means and at least a cross cursor key and a numeric key for channel selection of a broadcast program, and performs OSD display for channel selection and selection guide during channel selection and selection operations, the tuning of the broadcasting stations up and down operation of the cross cursor keys, divide the left and right operation of the cross-shaped cursor key to the selection of the program are those abutting have.
[0010]
A second invention is a broadcast receiving system for receiving a broadcast in which a plurality of programs are transmitted from a single broadcast station, wherein at least a cross cursor key and a numeric key are used to select a broadcast program, and a remote controller and / or Or the apparatus main body, the up / down operation of the cross cursor key is assigned to the selection of a broadcasting station, the left / right operation of the cross cursor key is assigned to the selection of a program, and the cross cursor key up / down operation within a predetermined time after interruption The numeric key operation is assigned to the direct tuning of the broadcasting station, and the numeric key operation within a predetermined time after interruption of the left / right operation of the cross cursor key is assigned to the direct selection of the program.
[0011]
In the first and second inventions, the channel selection using the numeric keys can be assigned to the direct channel selection of a broadcast station or the direct selection of a program.
[0012]
In the second aspect of the invention, there is a receivable broadcast station information extracting means, a receivable program information extracting means, and an OSD display means, and an OSD display for channel selection and selection guide is provided during channel selection and selection operations. It is what I do.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described with reference to the drawings, taking a digital broadcast receiving system as an example of an embodiment of the present invention.
[0014]
FIG. 1 is a block diagram showing an embodiment of the configuration of the digital broadcast receiving system of the present invention.
The system shown in FIG. 1 includes a digital broadcast receiver 14 and a remote controller 13.
The digital broadcast receiver 14 is provided with an antenna 1 for receiving radio waves of digital broadcast, and a reception signal is supplied from the antenna 1, and the operation unit 6 or a remote controller among broadcast waves from a plurality of broadcast stations. The tuner unit 2 for selectively receiving broadcast waves from the broadcast station specified in 13 and the program information transmitted divided in time series are extracted. Similarly, the operation unit 6 or remote It has a TS decoder 3 that takes out the data of a predetermined program designated by the controller 13 separately into video and audio, and the separated audio data is extracted by the audio decoder 4 after the digital audio data is expanded. The video signal is processed by the audio signal processing unit 5, and the audio signal is output. The video data is developed by the video decoder 8, and the video signal processing unit 9 If necessary, overlaid with the display made by the OSD display unit 12 is output as a video signal.
[0015]
Further, the digital broadcast receiver 14 includes an operation unit 6 having a numeric key for channel direct selection and a cross cursor key, and a light receiving element 10 for receiving a command modulation signal such as an infrared ray from the remote controller 13. A remote controller signal receiving circuit 11 is provided for demodulating the content of instructions from the remote controller 13 from the received signal output from the light receiving element 10.
[0016]
FIG. 2 is a flowchart showing the processing procedure of the channel selection operation in the US digital broadcast receiver according to the present embodiment.
The channel selection operation processing of the digital broadcast receiver according to this embodiment will be described with reference to this flowchart.
First, each part of the digital broadcast receiver 14 shown in FIG. 1 is operated by turning on the power switch by the viewer (step S0). That is, the tuner unit 2 performs a channel selection operation for a predetermined broadcast wave, selects a predetermined program by the TS decoder 3, and outputs an audio signal and a video signal.
FIG. 3 is a diagram for explaining the cross cursor key operation and the broadcast station / program search status in this embodiment.
Here, when the viewer operates the remote controller 13 and starts the major channel tuning by operating the up / down key of the cross cursor key (step S1), the channel up is performed by operating the up key in the tuner unit 2. In this case, the next broadcast wave is selected, and if the channel is down by the down key operation, the previous broadcast wave is selected (step S10).
[0017]
However, when the minor channel tuning operation is performed by the left / right key operation without the up / down key operation of the cross cursor key (step S2), for example, when the right key is pressed and the channel is up, the next program is displayed. If the left key is pressed and the channel is down, the previous program is selected and the video is output (step S20).
[0018]
When the major channel is selected by operating the up / down key of the cross cursor key, the TS decoder 3 extracts the program information from the broadcast wave (step S11) and performs OSD display (step S12). Visual assistance is provided as to which key is pressed and how it is switched.
FIG. 4 is a diagram showing an OSD display example in this embodiment, and three examples are given.
The OSD display is performed for 3 seconds, the elapsed time is checked (step S15), and after 3 seconds, the OSD display is erased (step S16).
[0019]
When the numeric key (direct key) of the remote controller 13 is pressed during OSD display (step S13), the program number designated by the numeric key is directly selected and the program is received (step S14). ).
[0020]
On the other hand, when the minor channel tuning operation is performed by the left / right key operation of the cross cursor key during the OSD display (step S17), for example, when the right key is pressed and the channel is up, the next program is displayed. If the left key is pressed and the channel is down, the previous program is selected and the program is received (step S14).
[0021]
As the OSD display, for example, after displaying the number of broadcast stations and programs that can be received at that time for a certain time at the start of the channel selection operation, the broadcast station information / program information being received and the next information are displayed as described above. By returning to the display of broadcast station information / program information that can be selected, it is possible to further improve the channel selection efficiency.
In addition, the numeric key operation in the OSD display, has been described in the direct tuning of the broadcast station, it is also of course possible to use a direct selection of program, also, after the interruption of the cross cursor key up and down operation, within a certain period of time the numeric key operation, the direct tuning of the broadcast station, after the interruption of the cross cursor keys left and right operation, numeric key operation within a certain time, that you want to assign to the direct selection of the program, without special switching key operation cross It is possible to perform a skip operation in combination with the cursor key, and to further select the channel and the selection efficiency.
[0022]
【The invention's effect】
According to the present invention, by associating a broadcasting station and a program with the up / down / left / right operation of the cross cursor key, significant efficiency improvement in channel selection and selection operation is brought about.
Furthermore, according to the present invention, direct station selection of the broadcasting station tuning by the numeric keys, or, by assigning to the direct selection of the program, without special switching key operation, skip operation in combination with the cross cursor key Is possible.
Further, according to the present invention, the numeric key operation within a predetermined time after the cross cursor key up / down operation is interrupted selects the direct tuning of the broadcasting station, and the numeric key operation within the predetermined time after the cross cursor key left / right operation is interrupted is: by assigning to the direct selection of the program, without special switching key operation, skip operation is made possible in combination with cross cursor key.
Furthermore, according to the present invention, there is a receivable broadcast station information extracting means, a receivable program information extracting means, and an OSD display means, and an OSD display for channel selection and selection guide is displayed during channel selection and selection operations. By performing the above, further tuning and operability at the time of selection are improved.
[Brief description of the drawings]
FIG. 1 is a block diagram showing an embodiment of a configuration of a digital broadcast receiving system of the present invention.
FIG. 2 is a flowchart showing a procedure of a channel selection operation in the digital broadcast receiving system according to the embodiment of FIG.
FIG. 3 is a diagram for explaining cursor key operations and broadcast station / program search statuses in the digital broadcast receiving system according to the embodiment of FIG. 1;
4 is a diagram showing an OSD display example during a channel selection operation in the digital broadcast receiving system according to the embodiment of FIG. 1;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Antenna, 2 ... Tuner part, 3 ... TS decoder, 4 ... Audio | voice decoder, 5 ... Audio | voice signal processing part, 6 ... Operation part, 7 ... Control part, 8 ... Video decoder, 9 ... Video signal processing part, 10 ... Light receiving element, 11... Remote controller signal receiving circuit, 12... OSD display section, 13... Remote controller, 14.

Claims (5)

A broadcast receiving system for receiving a broadcast in which a plurality of programs are transmitted from one broadcast station, wherein the receivable broadcast station information extracting means, receivable program information extracting means, OSD display means, and broadcast program At least a cross-cursor key and a numeric key are provided in the remote controller and / or the device body for channel selection, and an OSD display for channel selection and selection guide is performed at the time of channel selection and selection operation. Is assigned to a broadcast station, and the left / right operation of the cross cursor key is assigned to the selection of a program. A broadcast receiving system for receiving a broadcast in which a plurality of programs are transmitted from a single broadcast station, wherein the remote controller and / or the apparatus main body includes at least a cross cursor key and a numeric key for selecting a broadcast program. The up / down operation of the cross-cursor key is assigned to the station selection, the left / right operation of the cross-cursor key is assigned to the program selection, and the numeric key operation within a predetermined time after the up / down operation of the cross-cursor key is interrupted direct channel selection, and said numeric key operation release transceiver system that is characterized in that assigned to the direct selection of a program of the cross cursor key left operations within a predetermined time after the interruption of the. The broadcast receiving system according to claim 1 or 2 , wherein the channel selection by the numeric keys is assigned to the direct channel selection of the broadcast station. The broadcast receiving system according to claim 1 or 2 , wherein the channel selection by the numeric keys is assigned to direct selection of a program. A receivable broadcast station information extracting means, a receivable program information extracting means, and an OSD display means are provided, and OSD display for channel selection and selection guide is performed at the time of channel selection and selection operation. 2. The broadcast receiving system according to 2.

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