JP2004266510A - Television receiving apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a television receiving apparatus in which a function as a stand light is made satisfactory in addition to an original broadcast receiving function. <P>SOLUTION: A video signal obtained from the broadcast receiving function composed of an antenna 17, a tuner part 18 and a video signal processing part 21 and a video signal corresponding to a predetermined lighting pattern selectively read out of a memory 23 wherein video signals corresponding to a plurality of lighting patterns are stored, are selectively switched by a switching part 22 to display video on a liquid crystal display part 13. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an improvement of a television receiver provided with, for example, a liquid crystal flat panel display.
[0002]
[Prior art]
2. Description of the Related Art As is well known, display devices using liquid crystal are thinner and lighter than CRTs (Cathode Ray Tubes) and consume less power, and are therefore often used in television receivers at present.
[0003]
Patent Literature 1 proposes adding a function as an interior to a television receiver including a liquid crystal display unit. That is, according to Patent Literature 1, when a standby state is instructed by operating a standby switch to a wall-mounted television receiver having a liquid crystal display unit, image data stored in advance in a memory card is displayed on a liquid crystal display. In addition to the function of displaying on the display unit and the function of automatically turning off the power when the surroundings have a predetermined darkness and stopping the screen display, an effect as an interior is provided.
[0004]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 5-145872
[Problems to be solved by the invention]
However, the technology of adding a function as an interior to a television receiver in addition to its original broadcast receiving function is still in the stage of development, and it has a sufficiently practical level of detail. It cannot be said that it has reached to the present.
[0006]
The present invention has been made in view of the above circumstances, and has as its object to provide a television receiving apparatus having a function as a standlight in addition to an original broadcast receiving function.
[0007]
[Means for Solving the Problems]
A television receiving apparatus according to the present invention includes a signal processing unit that selects a predetermined video signal from a received broadcast signal and performs signal processing; a storage unit that stores video signals corresponding to a plurality of lighting patterns; Reading means for selectively reading a video signal corresponding to a predetermined lighting pattern from the storage means; a first mode for selecting and deriving a video signal obtained from the signal processing means; Switching means for selectively switching to a second mode for selecting and deriving a selected video signal; display means for displaying a video signal derived from the switching means on a video; operating means having a plurality of keys And control means for controlling a display state of the display means in response to an operation of the operation means.
[0008]
According to the above configuration, a video signal selected and processed from a received broadcast signal and a video signal corresponding to a predetermined lighting pattern selectively read from a storage unit are switched to display a video. Can be done.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows an appearance of a television receiver 11 described in this embodiment. The television receiver 11 is formed in a portable wall-hanging type, and has a front panel 12 on which a liquid crystal display unit 13 and an operation unit 14 are installed.
[0010]
The television receiver 11 normally receives a television broadcast or the like and displays the broadcast content on the liquid crystal display unit 13 in a television mode (first mode) and a stand light mode functioning as a stand light. (Second mode), and the user can selectively switch between the two modes.
[0011]
Among them, in the stand light mode, for example, four kinds of geometrical lighting patterns as shown in FIGS. 2A to 2D are selectively displayed on the liquid crystal display unit 13 by OSD (On Screen Display). As a result, it can be a part of the interior that coordinates the room as a stand light.
[0012]
The television receiver 11 is provided with two remote controllers, a television remote controller 15 functioning in the television mode and a stand light remote controller 16 functioning in the stand light mode.
[0013]
Thereby, for example, if the television remote controller 15 is set in the living room and the stand light remote controller 16 is set in the bedroom, and the television receiver 11 is carried between the living room and the bedroom, the television mode can be set in the living room. You can use the stand light mode in your bedroom.
[0014]
FIG. 3 shows a signal processing system of the television receiver 11. That is, the broadcast signal received by the antenna 17 is supplied to the tuner unit 18 to select a video signal of a desired channel. The video signal selected by the tuner 18 is supplied to one input terminal of the selector 19.
[0015]
The selection unit 19 is configured to input a video signal to the other input terminal via an external input terminal 20. The selection unit 19 selectively derives the video signal selected by the tuner unit 18 and the video signal input from the external input terminal 20 to the video signal processing unit 21.
[0016]
The video signal processing unit 21 performs demodulation processing on the input video signal, converts the demodulated video signal into a format corresponding to video display on the liquid crystal display unit 13, and outputs the converted signal to one input terminal of the switching unit 22. A video signal stored in the memory 23 is supplied to the other input terminal of the switching unit 22 via the controller 24.
[0017]
The memory 23 stores video signals for displaying the four types of lighting patterns shown in FIGS. 2A to 2D by OSD. Further, the controller 24 selectively reads a video signal corresponding to one type of lighting pattern from the memory 23 and outputs the video signal to the switching unit 22. The switching unit 22 selectively switches between the video signal from the video signal processing unit 21 and the video signal from the controller 24 and derives the video signal to the liquid crystal display unit 13.
[0018]
That is, the switching unit 22 displays a video signal selected by the tuner unit 18 or a video signal input from the external input terminal 20 on the liquid crystal display unit 13 in a television mode, and a video signal read from the memory 23. Can be switched to a stand light mode in which an image is displayed on the liquid crystal display unit 13.
[0019]
The above-described series of video display operations is controlled by the microcomputer 25 as a whole. The microcomputer 25 controls each unit based on a control program and various set values stored in a storage unit 26 formed of, for example, a nonvolatile memory, and using the storage unit 26 as a work area. .
[0020]
In this case, the microcomputer 25 receives the operation information obtained from the operation unit 14, the television remote controller 15, or the stand light remote controller 16 via the reception unit 27, and realizes the operation state requested by the user. Each part is controlled as follows.
[0021]
The microcomputer 25 can measure time using a timer 28. Further, the microcomputer 25 can control the amount of light emitted from the backlight 13 a provided in the liquid crystal display unit 13 via the dimming unit 29 and switch the display brightness on the liquid crystal display unit 13. .
[0022]
FIG. 4 shows a power supply system of the television receiver 11. That is, when the power switch 14 a provided on the operation unit 14 is in an on state, the power supplied via the plug 30 is supplied to each unit that requires a power supply other than the microcomputer 25 via the main power supply unit 31. Supplied.
[0023]
In addition, the power supply supplied via the plug 30 is supplied to the microcomputer 25 via the standby power supply 32 irrespective of the power switch 14a. That is, when the plug 30 is inserted into a power outlet (not shown), the microcomputer 25 is always supplied with power and enters a standby state.
[0024]
FIG. 5 shows details of the operation unit 14. That is, the operation unit 14 includes the power switch 14a, the channel down and up keys 14b and 14c for channel selection, the volume down and up keys 14d and 14e for volume adjustment, the television / video switching key 14f, and the like. Have.
[0025]
FIG. 6 shows details of the stand light remote controller 16. The stand light remote controller 16 includes an auto key 16a, an on / off key 16b, four pattern selection keys 16c to 16f, brightness down and up keys 16g and 16h, a timer setting key 16i, and the like.
[0026]
Here, when the on / off key 16b of the stunt light remote controller 16 is operated in the standby state in which the power switch 14a is off, the microcomputer 25 enters the stand light mode, and thereafter, the on / off key 16b is operated. The standby mode and the stand light mode are alternately switched every time the operation is performed.
[0027]
When the on / off key 16b is operated in a state where the power switch 14a is turned on and the television mode is set, the microcomputer 25 enters the stand light mode, and every time the on / off key 16b is operated thereafter. The mode is alternately switched between the standby state and the stand light mode.
[0028]
Note that when the power key of the television remote controller 15 is operated in the standby state, or when a key such as channel switching or volume switching of the television remote controller 15 is operated in the stand light mode, the microcomputer 25 Is switched to the television mode.
[0029]
When the power switch 14a is turned on, the microcomputer 25 operates the television mode, video 1 mode, video 2 mode, stand light mode, television mode each time the television / video switching key 14f is operated. The mode is cyclically switched in the order of.
[0030]
Next, in the stand light mode, the microcomputer 25 enables the operation of the auto key 16a, the pattern selection keys 16c to 16f, the brightness down / up keys 16g and 16h, the timer setting key 16i, etc. of the stand light remote controller 16. I have to.
[0031]
First, the four pattern selection keys 16c to 16f correspond to four types of lighting patterns stored in the memory 23, respectively. When one of the pattern selection keys is operated, the microcomputer 25 reads out the video signal of the lighting pattern corresponding to the operated pattern selection key from the memory 23 and displays the image signal on the liquid crystal display unit 13.
[0032]
For example, assuming that the four pattern selection keys 16c to 16f correspond to the four types of lighting patterns shown in FIGS. 2A to 2D, respectively. The lighting pattern shown in c) is displayed on the liquid crystal display unit 13 as an image.
[0033]
Next, when the auto key 16a is operated, the microcomputer 25 enters the auto mode, and selectively reads out the video signals of the four types of lighting patterns stored in the memory 23 in a predetermined order. To control the liquid crystal display unit 13 to cyclically display an image.
[0034]
Further, in the stand light mode, the microcomputer 25 controls the lighting patterns displayed on the liquid crystal display unit 13 to be sequentially switched by operating the volume down and up keys 14d and 14e of the operation unit 14.
[0035]
For example, every time the volume down key 14d is operated, the display is cyclically switched in the order of FIGS. 2A, 2B, 2C, and 2D and the auto mode, and the volume up key 14e is operated. Each time, the display is cyclically switched in the order of the auto mode, and FIGS. 2D, 2C, 2B, and 2A.
[0036]
Next, when the brightness down and up keys 16g and 16h are operated, the microcomputer 25 controls the light emission amount of the backlight 13a provided in the liquid crystal display unit 13 through the light control unit 29, and The brightness of the display on the display unit 13 can be switched between three levels.
[0037]
For example, every time the brightness down key 16g is operated, the brightness of the display on the liquid crystal display unit 13 is cyclically switched in the order of 100%, 80%, and 50%, and the brightness up key 16h is operated. Each time, the brightness of the display on the liquid crystal display unit 13 can be cyclically switched in the order of 50%, 80%, and 100%.
[0038]
Next, the timer setting key 16i is used to switch the time from the stand light mode to the automatic transition to the standby state. When the set time has elapsed, the microcomputer 25 automatically switches from the stand light mode. The state shifts to the standby state, and the lighting pattern is not displayed.
[0039]
Each time the timer setting key 16i is operated, the set time can be cyclically switched in the order of 1 hour, 2 hours, 6 hours, and 12 hours, and is set to 2 hours when shipped from the factory. That is, the stand light mode is always controlled by the time set by the timer setting key 16i, and is controlled so as not to be continued indefinitely.
[0040]
Here, when shifting from the stand light mode to the standby state, the lighting pattern displayed immediately before the shift, the presence or absence of the auto mode, the brightness set by the brightness down and up keys 16g and 16h, the timer setting key When the time set by 16i is stored and then the stand-light mode is set, the microcomputer 25 starts the stored contents as the last mode.
[0041]
In order to prevent burning of the screen when the same riding pattern is displayed on the liquid crystal display unit 13 for a long time, the microcomputer 25 displays the lighting pattern on the screen when the same lighting pattern is displayed for a predetermined time or more. Is controlled to scroll appropriately. It is assumed that the direction and speed of this scroll are set to be suitable as stand lights.
[0042]
Further, when 12 hours are set by the timer setting key 16i, it is possible to control so as to automatically switch the display to the auto mode in order to prevent the screen burning.
[0043]
Here, in the above-described embodiment, the video signals corresponding to the four types of lighting patterns are stored in the memory 23, but this is not limited to the four types. Further, the display interval of each lighting pattern, the stage of switching brightness, the set time by the timer setting key 16i, and the like in the auto mode are not limited to the above examples, and other values may be used. is there.
[0044]
It should be noted that the present invention is not limited to the above-described embodiment, and can be variously modified and implemented without departing from the scope of the invention.
[0045]
【The invention's effect】
As described above in detail, according to the present invention, it is possible to provide a television receiving apparatus which has a function as a stand light in addition to an original broadcast receiving function, and is capable of displaying a desired lighting pattern image by user selection. it can.
[Brief description of the drawings]
FIG. 1 illustrates an embodiment of the present invention and is an external view illustrating a television receiver.
FIG. 2 is an exemplary view showing an example of a lighting pattern displayed in a stand light mode in the embodiment.
FIG. 3 is a block diagram showing a signal processing system of the television receiver according to the embodiment;
FIG. 4 is a block diagram showing a power supply system of the television receiver according to the embodiment;
FIG. 5 is an exemplary view showing details of an operation unit of the television receiver in the embodiment.
FIG. 6 is a view for explaining details of a stand light remote controller according to the embodiment;
[Explanation of symbols]
11 television receiver, 12 front panel, 13 liquid crystal display unit, 14 operation unit, 15 television remote controller, 16 stand light remote controller, 17 antenna, 18 tuner unit, 19 selection unit , 20 external input terminal, 21 video signal processing section, 22 switching section, 23 memory, 24 controller, 25 microcomputer, 26 storage section, 27 receiving section, 28 timer, 29 dimming Section, 30: plug, 31: main power supply section, 32: standby power supply section.

Claims (9)

Signal processing means for selecting a predetermined video signal from the received broadcast signal and performing signal processing;
Storage means for storing video signals corresponding to a plurality of lighting patterns;
Reading means for selectively reading a video signal corresponding to a predetermined lighting pattern from the storage means;
It is possible to selectively switch between a first mode for selecting and deriving a video signal obtained from the signal processing means and a second mode for selecting and deriving a video signal read by the reading means. Switching means;
Display means for displaying an image of a video signal derived from the switching means,
Operating means having a plurality of keys;
Control means for controlling a display state on the display means in response to operation of the operation means,
A television receiver comprising: The operating means has a plurality of first selection keys for selecting each of the plurality of lighting patterns, and operates the control means by operating any of the first selection keys in the second mode. 2. The television receiver according to claim 1, wherein a video signal of a lighting pattern corresponding to the operated selection key is displayed on the display means under the control of (1). The operation means has a second selection key for sequentially displaying the plurality of lighting patterns, and operates the second selection key in the second mode to control the control of the control means. 2. The television receiver according to claim 1, wherein video signals corresponding to the plurality of lighting patterns are cyclically displayed on the display means in a predetermined order and at predetermined time intervals. 2. The television receiver according to claim 1, wherein the operation unit includes a third key for changing a brightness of a display on the display unit in a stepwise manner in the second mode. apparatus. 2. The television receiver according to claim 1, wherein the operation means includes a fourth key for stepwise switching a time for which the lighting pattern display state is continued in the second mode. apparatus. The control means scrolls the displayed lighting pattern on a screen when the display state of the same lighting pattern on the display means continues for a predetermined time or more in the second mode. Item 7. The television receiver according to Item 1. A first remote controller for controlling a broadcast receiving operation by the signal processing unit;
The television receiver according to claim 1, further comprising a second remote controller for selectively controlling a display state of the lighting pattern. Signal processing means for selecting a predetermined video signal from the received broadcast signal and performing signal processing;
Storage means for storing video signals corresponding to a plurality of lighting patterns;
Reading means for selectively reading a video signal corresponding to a predetermined lighting pattern from the storage means;
It is possible to selectively switch between a first mode for selecting and deriving a video signal obtained from the signal processing means and a second mode for selecting and deriving a video signal read by the reading means. Switching means;
Display means for displaying an image of a video signal derived from the switching means,
Operating means having a first selection key for selecting any of the plurality of lighting patterns, and a second selection key for sequentially selecting the plurality of lighting patterns;
The display state of the display unit is controlled in response to the operation of the operation unit, and when the first selection key is operated in the second mode, a video signal of one of the lighting patterns is selected. When the second selection key is operated in the second mode, a video signal corresponding to the plurality of lighting patterns is displayed on the display unit in a predetermined order and in a predetermined order. Control means for displaying images cyclically at time intervals. Signal processing means for selecting a predetermined video signal from the received broadcast signal and performing signal processing;
Storage means for storing video signals corresponding to a plurality of lighting patterns;
Reading means for selectively reading a video signal corresponding to a predetermined lighting pattern from the storage means;
It is possible to selectively switch between a first mode for selecting and deriving a video signal obtained from the signal processing means and a second mode for selecting and deriving a video signal read by the reading means. Switching means;
Display means for displaying an image of a video signal derived from the switching means,
Operating means having a selection key for selecting each of the plurality of lighting patterns,
Controlling the display state on the display means in response to the operation of the operation means, and selecting the video signal of any one of the lighting patterns when the selection key is operated in the second mode; A television receiving apparatus comprising: a control unit that causes a display unit to display an image and scrolls the displayed lighting pattern on a screen when a display state of the same lighting pattern continues for a predetermined time or more.

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