CN103686257A - Set-top box signal strength indication method and step-top box - Google Patents
Set-top box signal strength indication method and step-top box Download PDFInfo
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- CN103686257A CN103686257A CN201310639911.4A CN201310639911A CN103686257A CN 103686257 A CN103686257 A CN 103686257A CN 201310639911 A CN201310639911 A CN 201310639911A CN 103686257 A CN103686257 A CN 103686257A
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Abstract
The invention discloses a set-top box signal strength indication method and a step-top box. The method includes: A, acquiring a set-top box signal strength value from a register corresponding to a demodulation chip and inputting the signal strength value to a processing unit; B, allowing the processing unit to compare the signal strength value to a preset threshold, control a color variation mode of a tri-color indicator light according to comparison results, and regulates duty ratio of the tri-color indicator light to control flicker frequency of color variation. Different colors and different flicker frequencies can be displayed according to different signal strength ranges, users or maintainers can judge the signal strength ranges directly according to the flicker frequency and color of the tri-color indicator light, the display mode is visual, convenient and fast, and guessing the strength of a signal is not required.
Description
Technical field
The present invention relates to signal designation system, relate in particular to a kind of method and Set Top Box of indicating set-top box signal power.
Background technology
The equipment of existing digital signal indication is a lot, and its display mode is mostly for to judge having or not of digital signal according to the on and off of the indicator light of digital signal strength.This display mode has determined that maintenance personal can only see the two states of digital signal on equipment: lamp is bright: have signal; Lamp goes out: no signal.Yet, but many times Digital Television has signal insufficient strength, can cause the phenomenon of image Ma Saike or blank screen, now effectively judges that the power of signal just seems particularly important.
In order to address the above problem, researcher has studied the strong and weak pointing technology of a kind of signal: when current digital signal strength value during higher than signal strength reference value indicator light remain bright; When the indicator light flicker during lower than signal strength reference value of current digital signal strength value.Though the method is the clear display to signal strength signal intensity than conventional method, but can not specifically understand the strong and weak value of signal.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of method and Set Top Box of indicating set-top box signal power, can judge signal strength values according to the flicker frequency of indicator light and Show Color, when user or maintenance personal use, can judge rapidly the value scope of signal.
In order to achieve the above object, the present invention has taked following technical scheme:
Indicate a method for set-top box signal power, in described Set Top Box, be provided with tri-colour LED and processor, comprise the following steps:
A, from register corresponding to demodulation chip, obtain the signal strength values of Set Top Box, and described signal strength values is input in processor;
B, processor be described signal strength values and pre-set threshold value comparison, and according to comparative result, control the colour switching mode of described tri-colour LED, and regulate the flicker frequency of the Duty ratio control change color of tri-colour LED.
In the method for described indication set-top box signal power, described step B specifically comprises:
B1, by pre-set threshold value comparison in signal strength values and processor, judge whether signal strength values is greater than described pre-set threshold value;
If B2 signal strength values is greater than described pre-set threshold value, accelerate the flicker frequency of described tri-colour LED, make human eye see that the color of tri-colour LED output is that a kind of color transition is to another kind of color; If signal strength values is less than described pre-set threshold value, the flicker frequency of described tri-colour LED is reduced with signal strength values, and make human eye see that the color of tri-colour LED output converts by described flicker frequency according to described colour switching mode.
The method of described indication set-top box signal power, also comprises before described steps A:
A1, described pre-set threshold value is set in processor, and the colour switching mode of tri-colour LED in signal spacing is accordingly set when signal strength values is greater than described pre-set threshold value.
In the method for described indication set-top box signal power, described steps A 1 specifically comprises: it is 40db that described pre-set threshold value is set, and arranges when signal strength values is when first signal is interval, and tri-colour LED is shown in red; When signal strength values is when secondary signal is interval, tri-colour LED is shown as orange; When signal strength values is during in the 3rd signal spacing, tri-colour LED is yellow; When signal strength values is during in the 4th signal spacing, tri-colour LED is shown as white.
In the method for described indication set-top box signal power, in step B2, if human eye see be a kind of color time, in corresponding signal interval, the brightness of controlling tri-colour LED brightens with the increase of signal.
For realizing a Set Top Box for the method for described indication set-top box signal power, comprising:
Tri-colour LED;
Signal strength signal intensity acquisition module, for obtain the signal strength values of Set Top Box from register corresponding to demodulation chip, and is input to described signal strength values in processor;
Processor, by described signal strength values and pre-set threshold value comparison, controls the colour switching mode of described tri-colour LED for the treatment of device, and regulates the flicker frequency of the Duty ratio control change color of tri-colour LED.
In described Set Top Box, described processor comprises:
Relatively judge module, for by signal strength values and the comparison of processor pre-set threshold value, judges whether signal strength values is greater than described pre-set threshold value;
Processing module, for when signal strength values is greater than described pre-set threshold value, accelerates the flicker frequency of described tri-colour LED, makes human eye see that the color of tri-colour LED output is a kind of color; When signal strength values is less than described pre-set threshold value, the flicker frequency of described tri-colour LED is reduced with signal strength values, and make human eye see that the color of tri-colour LED output converts by described flicker frequency according to described colour switching mode.
In described Set Top Box, described processor also comprises module is set, and for described pre-set threshold value is set, and the colour switching mode of tri-colour LED in signal spacing is accordingly set when signal strength values is greater than described pre-set threshold value.
In described Set Top Box, describedly module is set described pre-set threshold value is set is 40db, and arrange when signal strength values is during in first signal interval, tri-colour LED is shown in red; When signal strength values is when secondary signal is interval, tri-colour LED is shown as orange; When signal strength values is during in the 3rd signal spacing, tri-colour LED is yellow; When signal strength values is during in the 4th signal spacing, tri-colour LED is shown as white.
In described Set Top Box, described tri-colour LED is red-green-blue indicator light.
Compared to prior art, method and the Set Top Box of indication set-top box signal power provided by the invention, by signal strength values and pre-set threshold value comparison, control the colour switching mode of described tri-colour LED, and the flicker frequency of the Duty ratio control change color of adjusting tri-colour LED, the present invention can show different colors and different flicker frequencies according to the strong and weak different scope of signal, make user or maintenance personal can be directly according to the flicker frequency of tri-colour LED and color, judge the scope of signal strength signal intensity, its display mode is directly perceived, convenient and swift, needn't guess which intensity signal has reached.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method for indication set-top box signal power provided by the invention.
Fig. 2 is the structured flowchart of Set Top Box provided by the invention.
Embodiment
The invention provides a kind of method and Set Top Box of indicating set-top box signal power, for making object of the present invention, technical scheme and effect clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, it is the flow chart of the method for indication set-top box signal power provided by the invention.As shown in Figure 1, the method for described indication set-top box signal power comprises:
S100, from register corresponding to demodulation chip, obtain the signal strength values of Set Top Box, and described signal strength values is input in processor;
S200, processor be described signal strength values and pre-set threshold value comparison, and according to comparative result, control the colour switching mode of described tri-colour LED, and regulate the flicker frequency of the Duty ratio control change color of tri-colour LED.
In the present embodiment, first in the register of Set Top Box, get the intensity level of digital signal, signal strength values is transferred in processor, by processor, by itself and pre-set threshold value comparison, and according to comparative result, control tri-colour LED by the alternately flicker of three kinds of colors, and when signal strength signal intensity is higher, control flicker frequency faster, when signal strength signal intensity is lower, control flicker frequency slower.The present invention utilizes human eye image-forming principle, when reaching certain value (such as 20HZ) human eye, tri-colour LED flicker frequency can't see flicker, because after picture drop-out, its image can keep a period of time in human eye the inside, now human eye can only be seen the variation of brightness, and the interval that tri-colour LED is lighted for twice is lower than its image after the retention time of human eye, and human eye just can not observed flicker, can only, along with the variation of duty ratio, see power and the change color of lamp brightness.
In the embodiment of the present invention, described step S200 specifically comprises: by pre-set threshold value comparison in signal strength values and processor, judge whether signal strength values is greater than described pre-set threshold value; If signal strength values is greater than described pre-set threshold value, accelerate the flicker frequency of described tri-colour LED, make human eye see that the color of tri-colour LED output is that a kind of color transition is to another kind of color; If signal strength values is less than described pre-set threshold value, the flicker frequency of described tri-colour LED is reduced with signal strength values, and make human eye see that the color of tri-colour LED output converts by described flicker frequency according to described colour switching mode.
Wherein, when signal strength values is greater than described pre-set threshold value, processor is accelerated flicker frequency according to signal strength signal intensity, make human eye can only see that tri-colour LED shows a kind of color, or according to signal strength signal intensity, tri-colour LED is shown from a kind of color transition to another kind of color, different colors represent the varying strength of signal.
And, the conversion of this color needs in processor, to arrange in advance, therefore, before step S100, the method of indication set-top box signal power of the present invention also comprises: described pre-set threshold value is set in processor, and the colour switching mode of tri-colour LED in signal spacing is accordingly set when signal strength values is greater than described pre-set threshold value.
During concrete enforcement, its set-up mode specifically comprises: it is 40db that described pre-set threshold value is set, and arranges when signal strength values is when first signal is interval, and tri-colour LED is shown in red; When signal strength values is when secondary signal is interval, tri-colour LED is shown as orange; When signal strength values is during in the 3rd signal spacing, tri-colour LED is yellow; When signal strength values is during in the 4th signal spacing, tri-colour LED is shown as white.Wherein, the signal strength range in described first signal interval is that the signal strength range in 41 db-60 db, secondary signal interval is that the signal strength range of 61 db-80 db, the 3rd signal spacing is that the signal strength range of 81 db-100 db, the 4th signal spacing is 101 db-120 db.
In the present embodiment, when signal strength signal intensity is between 61-80, when orange (tri-colour LED show) represents that signal strength signal intensity is excellent, and signal strength signal intensity now can clear displaying video, when tri-colour LED display white, represents that signal is the strongest.
Certainly, intensity level for better demonstration digital signal, in step S200, when human eye see be a kind of color time, in corresponding signal interval, the brightness of control tri-colour LED brightens with the increase of signal strength signal intensity, thereby can further judge the signal strength signal intensity of digital signal in this signal spacing.
The present invention also provides a kind of and it is characterized in that for realizing the Set Top Box of the method for above-mentioned indication set-top box signal power, comprising: tri-colour LED 101, signal strength signal intensity acquisition module 102 and processor 103.Described signal strength signal intensity acquisition module 102, processor 103 and tri-colour LED 101 are connected successively.
Wherein, signal strength signal intensity acquisition module 102, for obtain the signal strength values of Set Top Box from register corresponding to demodulation chip, and is input to described signal strength values in processor 103.Described register is for obtaining the digital signal of corresponding demodulation chip demodulation.Described processor 103 by described signal strength values and pre-set threshold value comparison, is controlled the colour switching mode of described tri-colour LED 101 for the treatment of device 103, and regulates the flicker frequency of the Duty ratio control change color of tri-colour LED 101.
Described tri-colour LED 101 is red-green-blue indicator light, processor 103 can be controlled tri-colour LED 101 in the colour switching mode of controlling tri-colour LED 101, as first shown redness, show blue again and then showing green, and control the duty ratio (being the bright time ratio going out with lamp of lamp) of three kinds of colors, when flicker frequency surpasses pre-set threshold value, make human eye can only see a kind of color of tri-colour LED 101 output, and from a kind of color transition to another kind of color, and the brightness of these colors.
In specific implementation process, described processor 103 comprises comparison judge module and processing module.Described relatively judge module, for by signal strength values and processor 103 pre-set threshold value comparisons, judges whether signal strength values is greater than described pre-set threshold value.Described processing module, for when signal strength values is greater than described pre-set threshold value, is accelerated the flicker frequency of described tri-colour LED 101, makes human eye see that the color of tri-colour LED 101 outputs is a kind of color; When signal strength values is less than described pre-set threshold value, the flicker frequency of described tri-colour LED 101 is reduced with signal strength values, and make human eye see that the color of tri-colour LED 101 outputs converts by described flicker frequency according to described colour switching mode.
Wherein this pre-set threshold value is 40db, and when signal strength values is less than 40db, the picture quality of television set declines rapidly, until blank screen.When signal strength values is less than 40db, processing module is controlled tri-colour LED 101 by the also flicker of three kinds of color checkers; When signal strength values is greater than 40db, according to different intensity levels, make human eye see different colours, wherein white represents that signal is the strongest.
During concrete enforcement, described processor 103 also comprises and module is set for described pre-set threshold value is set, and the colour switching mode of tri-colour LED in signal spacing is accordingly set when signal strength values is greater than described pre-set threshold value.This arranges module also can arrange the order of tri-colour LED 101 Show Colors, thereby can make tri-colour LED 101 can show several thousand kinds of colors in conjunction with order and the flicker frequency of Show Color.
In the present embodiment, describedly module setting is set when signal strength values is when first signal is interval, tri-colour LED 101 is shown in red; When signal strength values is when secondary signal is interval, tri-colour LED 101 is shown as orange; When signal strength values is during in the 3rd signal spacing, tri-colour LED 101 is yellow; When signal strength values is during in the 4th signal spacing, tri-colour LED 101 is shown as white.
In sum, method and the Set Top Box of indication set-top box signal power provided by the invention, when signal strength values is during lower than predetermined threshold value, tri-colour LED redgreenblue replaces flickering display, when signal is greater than predetermined threshold value, tri-colour LED according to signal in different signal spacings, show different colors, and in single interval, when signal strengthens, the brightness of indicator light is also to strengthen thereupon, is convenient to user and maintenance personal's discernible signal strength range, its display mode is directly perceived, convenient and swift, is the very big progress of prior art.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. indicate a method for set-top box signal power, in described Set Top Box, be provided with tri-colour LED and processor, it is characterized in that, comprise the following steps:
A, from register corresponding to demodulation chip, obtain the signal strength values of Set Top Box, and described signal strength values is input in processor;
B, processor be described signal strength values and pre-set threshold value comparison, and according to comparative result, control the colour switching mode of described tri-colour LED, and regulate the flicker frequency of the Duty ratio control change color of tri-colour LED.
2. indicate according to claim 1 the method for set-top box signal power, it is characterized in that, described step B specifically comprises:
B1, by pre-set threshold value comparison in signal strength values and processor, judge whether signal strength values is greater than described pre-set threshold value;
If B2 signal strength values is greater than described pre-set threshold value, accelerate the flicker frequency of described tri-colour LED, make human eye see that the color of tri-colour LED output is that a kind of color transition is to another kind of color; If signal strength values is less than described pre-set threshold value, the flicker frequency of described tri-colour LED is reduced with signal strength values, and make human eye see that the color of tri-colour LED output converts by described flicker frequency according to described colour switching mode.
3. the method for indication set-top box signal power according to claim 2, is characterized in that, before described steps A, also comprises:
A1, described pre-set threshold value is set in processor, and the colour switching mode of tri-colour LED in signal spacing is accordingly set when signal strength values is greater than described pre-set threshold value.
4. the method for indication set-top box signal power according to claim 3, is characterized in that, described steps A 1 specifically comprises: it is 40db that described pre-set threshold value is set, and arranges when signal strength values is when first signal is interval, and tri-colour LED is shown in red; When signal strength values is when secondary signal is interval, tri-colour LED is shown as orange; When signal strength values is during in the 3rd signal spacing, tri-colour LED is yellow; When signal strength values is during in the 4th signal spacing, tri-colour LED is shown as white.
5. the method for indication set-top box signal power according to claim 4, is characterized in that, in step B2, if human eye see be a kind of color time, in corresponding signal interval, the brightness of controlling tri-colour LED brightens with the increase of signal.
6. for realizing a Set Top Box of indicating the method for set-top box signal power described in claim 1, it is characterized in that, comprising:
Tri-colour LED;
Signal strength signal intensity acquisition module, for obtain the signal strength values of Set Top Box from register corresponding to demodulation chip, and is input to described signal strength values in processor;
Processor, by described signal strength values and pre-set threshold value comparison, controls the colour switching mode of described tri-colour LED for the treatment of device, and regulates the flicker frequency of the Duty ratio control change color of tri-colour LED.
7. Set Top Box according to claim 6, is characterized in that, described processor comprises:
Relatively judge module, for by signal strength values and the comparison of processor pre-set threshold value, judges whether signal strength values is greater than described pre-set threshold value;
Processing module, for when signal strength values is greater than described pre-set threshold value, accelerates the flicker frequency of described tri-colour LED, makes human eye see that the color of tri-colour LED output is a kind of color; When signal strength values is less than described pre-set threshold value, the flicker frequency of described tri-colour LED is reduced with signal strength values, and make human eye see that the color of tri-colour LED output converts by described flicker frequency according to described colour switching mode.
8. Set Top Box according to claim 7, it is characterized in that, described processor also comprises module is set, and for described pre-set threshold value is set, and the colour switching mode of tri-colour LED in signal spacing is accordingly set when signal strength values is greater than described pre-set threshold value.
9. Set Top Box according to claim 8, is characterized in that, describedly module is set described pre-set threshold value is set is 40db, and arrange when signal strength values is during in first signal interval, and tri-colour LED is shown in red; When signal strength values is when secondary signal is interval, tri-colour LED is shown as orange; When signal strength values is during in the 3rd signal spacing, tri-colour LED is yellow; When signal strength values is during in the 4th signal spacing, tri-colour LED is shown as white.
10. Set Top Box according to claim 6, is characterized in that, described tri-colour LED is red-green-blue indicator light.
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