CN104469082A - Standard-definition image amplifier of small household liquid crystal display - Google Patents
Standard-definition image amplifier of small household liquid crystal display Download PDFInfo
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- CN104469082A CN104469082A CN201410766935.0A CN201410766935A CN104469082A CN 104469082 A CN104469082 A CN 104469082A CN 201410766935 A CN201410766935 A CN 201410766935A CN 104469082 A CN104469082 A CN 104469082A
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- image
- crystal display
- liquid crystal
- gain device
- amplifier
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- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a standard-definition image amplifier of a small household liquid crystal display. The standard-definition image amplifier comprises an outer shell, an image gain device control board and an image microprocessor. The image gain device control board is installed on the lower portion of the outer shell, the image microprocessor is arranged above the image gain device control board, and a noise filtering device is arranged above the image microprocessor. A video signal collector is arranged above the noise filtering device, a video signal amplifier is installed above the video signal collector, and a detector is arranged above the video signal amplifier. An image gain device is arranged above the detector, and connected with the image gain device control board through a data line. Through arranging the image gain device on the household liquid crystal display, a clearer image can be displayed, impurities in voices are reduced, and the watching effect is improved.
Description
Technical field
The invention belongs to image gain device field, be specifically related to a kind of small-sized household liquid crystal display SD image amplifier.
Background technology
At present, the quantity of China's family expenses liquid crystal display is in continuous increase, but the display effect of many liquid crystal display is not very desirable, market also there is many image gain devices, but common image gain device gain effect is not good, the demand of people to high-quality visual effect can not be met, so need the appearance of the image gain device being more applicable to liquid crystal display, application number is the Chinese patent of 201010568067.7, particular content is: the present invention is a kind of Type B image gain parameter automatic optimization method, ultrasonic device is made to present the consistent image of brightness uniformity, facilitate the diagnosis of doctor.Need in diagnosis process to adjust the parameters such as integral image brightness, image brightness uniformity as required, obtain diagnostic message to reach an optimum display.The present invention is by after envelope data or log-compressed data, one road signal is used for Type B imaging, separate a circuit-switched data simultaneously and carry out gain optimization calculation of parameter, processing procedure mainly comprises the key links such as piecemeal process, gradient map calculating, uniform formation's sub-block judgement, the calculating of transverse and longitudinal gain compensating curve, after starting guide, the gain compensating curve optimized is used for the adjustment of gain and uniformity, thus it is suitable to obtain image gain, the uniform Type B image in whole field.Compared with above-mentioned patent, invention designed by me not only has the advantage of above-mentioned patent, and be design for family expenses liquid crystal display specially, the video definition of family expenses liquid crystal display can be improved, the appearance of image display bad point can also be reduced simultaneously, allow people when viewing video, obtain better visual effect.
Summary of the invention
Object of the present invention is just a kind of small-sized household liquid crystal display SD image amplifier providing a kind of good operating stability in order to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of small-sized household liquid crystal display SD image amplifier, comprise shell, image gain device control board, picture microprocessor, the bottom of described shell is provided with described image gain device control board, the top of described image gain control board is provided with described picture microprocessor, the top of described picture microprocessor is provided with noise filter, the top of described noise filter is provided with vision signal gatherer, the top of described vision signal gatherer is provided with video amplifier, and the top of described video amplifier is provided with wave detector; The top of described wave detector is provided with image gain device; Described image gain device is connected with described image gain device control board by data wire; Described picture microprocessor is connected with described image gain device by circuit.
As further prioritization scheme of the present invention, the top of described image gain device is provided with low pass smoothing filter; The top of described low pass smoothing filter is provided with voltage-controlled attenuator.
As further prioritization scheme of the present invention, described voltage-controlled attenuator is connected with described low pass smoothing filter; The top of described voltage-controlled attenuator is provided with direct current amplifier.
As further prioritization scheme of the present invention, described direct current amplifier top be provided with automatically controlled variable resistor; Described automatically controlled variable-resistance side is provided with automatic level controller.
As further prioritization scheme of the present invention, the top of described automatic level controller is provided with gain controlled amplifying circuit; The below of described gain controlled amplifying circuit is provided with impedance.
Beneficial effect of the present invention is: the present invention is by the application of gain amplifier, can the vision signal for the treatment of fluid crystal display, improve the intensity of picture signal, make the display effect of liquid crystal display more clear, the bad noise of sound can also be removed simultaneously, make people see the video effect being more applicable to people's sense organ.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is front view figure of the present invention;
In figure: 1, shell; 2, image gain device control board; 3, picture microprocessor; 4, noise filter; 5, vision signal gatherer; 6, video amplifier; 7, wave detector; 8, image gain device; 9, low pass smoothing filter; 10, voltage-controlled attenuator; 11, direct current amplifier; 12, automatically controlled variable resistor; 13, automatic level controller; 14, gain controlled amplifying circuit; 15, impedance.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As depicted in figs. 1 and 2, a kind of small-sized household liquid crystal display SD image amplifier, comprise shell 1, image gain device control board 2, picture microprocessor 3, the bottom of described shell 1 is provided with described image gain device control board 2, described image gain device control board 2 can monitor the vision signal from liquid crystal display in real time, and processing signals, the top of described image gain control board 2 is provided with described picture microprocessor 3, described picture microprocessor 3 can treatment fluid crystal display display video, the top of described picture microprocessor 3 is provided with noise filter 4, described noise filter 4 can reduce some impurity in the sound of liquid crystal display, improve the effect of tonequality, the top of described noise filter 4 is provided with vision signal gatherer 5, described vision signal gatherer 5 is used for collecting the vision signal from liquid crystal display, the top of described vision signal gatherer 5 is provided with video amplifier 6, the top of described video amplifier 6 is provided with wave detector 7, the top of described wave detector 7 is provided with image gain device 8, described image gain device 8 is connected with described image gain device control board 2 by data wire, described picture microprocessor 3 is connected with described image gain device 8 by circuit.
The top of described image gain device 8 is provided with low pass smoothing filter 9; The top of described low pass smoothing filter 9 is provided with voltage-controlled attenuator 10.Described voltage-controlled attenuator 10 is connected with described low pass smoothing filter 9; The top of described voltage-controlled attenuator 10 is provided with direct current amplifier 11.
Described direct current amplifier 11 top be provided with automatically controlled variable resistor 12; The side of described automatically controlled variable resistor 12 is provided with automatic level controller 13.
The top of described automatic level controller 13 is provided with gain controlled amplifying circuit 14; The below of described gain controlled amplifying circuit 14 is provided with impedance 15.The present invention is by the application of gain amplifier, can the vision signal for the treatment of fluid crystal display, improve the intensity of picture signal, make the display effect of liquid crystal display more clear, the bad noise of sound can also be removed simultaneously, make people see the video effect being more applicable to people's sense organ.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and effect thing thereof.
Claims (5)
1. a small-sized household liquid crystal display SD image amplifier, it is characterized in that: comprise shell, image gain device control board, picture microprocessor, the bottom of described shell is provided with described image gain device control board, the top of described image gain control board is provided with described picture microprocessor, the top of described picture microprocessor is provided with noise filter, the top of described noise filter is provided with vision signal gatherer, the top of described vision signal gatherer is provided with video amplifier, the top of described video amplifier is provided with wave detector, the top of described wave detector is provided with image gain device, described image gain device is connected with described image gain device control board by data wire, described picture microprocessor is connected with described image gain device by circuit.
2. a kind of small-sized household liquid crystal display SD image amplifier according to claim 1, is characterized in that: the top of described image gain device is provided with low pass smoothing filter; The top of described low pass smoothing filter is provided with voltage-controlled attenuator.
3. a kind of small-sized household liquid crystal display SD image amplifier according to claim 1, is characterized in that: described voltage-controlled attenuator is connected with described low pass smoothing filter; The top of described voltage-controlled attenuator is provided with direct current amplifier.
4. a kind of small-sized household liquid crystal display SD image amplifier according to claim 1, is characterized in that: described direct current amplifier top be provided with automatically controlled variable resistor; Described automatically controlled variable-resistance side is provided with automatic level controller.
5. a kind of small-sized household liquid crystal display SD image amplifier according to claim 1, is characterized in that: the top of described automatic level controller is provided with gain controlled amplifying circuit; The below of described gain controlled amplifying circuit is provided with impedance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766935.0A CN104469082A (en) | 2014-12-12 | 2014-12-12 | Standard-definition image amplifier of small household liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766935.0A CN104469082A (en) | 2014-12-12 | 2014-12-12 | Standard-definition image amplifier of small household liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104469082A true CN104469082A (en) | 2015-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410766935.0A Pending CN104469082A (en) | 2014-12-12 | 2014-12-12 | Standard-definition image amplifier of small household liquid crystal display |
Country Status (1)
| Country | Link |
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| CN (1) | CN104469082A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046429A (en) * | 1989-04-13 | 1990-10-24 | 汤姆森消费电子有限公司 | Reference carrier obtains parallel sound intermediate frequency from the quasi-synchronous video detection device |
| CN1084341A (en) * | 1992-09-13 | 1994-03-23 | 张九愚 | Auto gain control method |
| CN1096915A (en) * | 1993-06-24 | 1994-12-28 | 三星电子株式会社 | Parallel untuned video IF amplifiers fed from TV first detector via input filters |
| JP2007274168A (en) * | 2006-03-30 | 2007-10-18 | Sharp Corp | Liquid crystal display |
| CN101972152A (en) * | 2010-12-01 | 2011-02-16 | 深圳市蓝韵实业有限公司 | Method for automatically optimizing gain parameter of B-type image |
-
2014
- 2014-12-12 CN CN201410766935.0A patent/CN104469082A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1046429A (en) * | 1989-04-13 | 1990-10-24 | 汤姆森消费电子有限公司 | Reference carrier obtains parallel sound intermediate frequency from the quasi-synchronous video detection device |
| CN1084341A (en) * | 1992-09-13 | 1994-03-23 | 张九愚 | Auto gain control method |
| CN1096915A (en) * | 1993-06-24 | 1994-12-28 | 三星电子株式会社 | Parallel untuned video IF amplifiers fed from TV first detector via input filters |
| JP2007274168A (en) * | 2006-03-30 | 2007-10-18 | Sharp Corp | Liquid crystal display |
| CN101972152A (en) * | 2010-12-01 | 2011-02-16 | 深圳市蓝韵实业有限公司 | Method for automatically optimizing gain parameter of B-type image |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |