CN206541595U - Picture quality detection circuit and image quality detection means - Google Patents
Picture quality detection circuit and image quality detection means Download PDFInfo
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- CN206541595U CN206541595U CN201720228687.3U CN201720228687U CN206541595U CN 206541595 U CN206541595 U CN 206541595U CN 201720228687 U CN201720228687 U CN 201720228687U CN 206541595 U CN206541595 U CN 206541595U
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Abstract
The utility model discloses a kind of picture quality detection circuit and image quality detection means, wherein, picture quality detection circuit includes control circuit, storage circuit, circuit for alarming and at least one color acquisition circuit；The color information of preset on color acquisition circuit, collection display, sends to control circuit；Storage circuit, prestores the bound numerical value of color information, outputs this to control circuit；Circuit is controlled, the bound numerical value of color information and color information is compared, circuit for alarming is sent a control signal to；Circuit for alarming, receives control signal, sends alarm to point out user.Technical solutions of the utility model realize the automatic detection to display screen image quality, and accurate, efficient, cost is relatively low.
Description
Technical field
The utility model is related to image display technology field, more particularly to a kind of picture quality detection circuit and image quality detection dress
Put.
Background technology
Electronic display needs to detect its colour temperature, brightness, definition and white balance etc. in process of production, to sentence
Whether disconnected display screen meets production requirement.Existing way is contrasted by the inspection of human eye image quality, or uses color analysis instrument
Carry out image quality debugging.But due to material consistency problem, the image quality actual variance with a collection of display screen may be larger, by artificial
Image quality detection speed is slower, and testing result is inaccurate, and is detected that then cost is high by color analysis instrument, and every time only
The colouring information of single-point can be gathered, multiple spot detection is more difficult, less efficient.
Utility model content
Main purpose of the present utility model is to provide a kind of picture quality detection circuit, it is desirable to provide a kind of efficient, accurate, cost
Low detection circuit.
To achieve the above object, the utility model proposes picture quality detection circuit, including control circuit, storage circuit, police
Telegraph circuit and at least one color acquisition circuit；Wherein,
The color information of preset, sends to the control circuit on the color acquisition circuit, collection display；
The storage circuit, prestores the bound numerical value of color information, and outputs this to the control circuit；
The control circuit, the bound numerical value of the color information and the color information is compared, and sends control
Signal processed is to the circuit for alarming；
The circuit for alarming, receives the control signal, sends alarm to point out user.
Preferably, the output end of the color acquisition circuit is connected with the first input end of the control circuit, described to deposit
Storage circuit output end is connected with the second input of the control circuit, the control end and the circuit for alarming of the control circuit
Controlled end connection.
Preferably, in addition to power circuit；The output end of the power circuit with respectively with the color acquisition circuit, institute
State the power end connection of storage circuit, the control circuit and the circuit for alarming.
Preferably, the control circuit includes counter module, a color information of the color acquisition circuit output
When numerical value exceeds the bound numerical value of the color information, the counter module is accumulative Jia one, when the counter module
Numerical value is more than preset value, and the control circuit sends a control signal to the circuit for alarming, to send alarm sounds.
Preferably, the storage circuit includes readable and writable memory EEPROM, and the storage circuit receives user's input
The bound numerical value of color information, so that the control circuit is transferred.
Preferably, the color acquisition circuit includes color filters and ADC converters；The color filters, are filtered out
Impurity color；The ADC converters, data signal is converted to by the colouring information collected by analog signal.
Preferably, the circuit for alarming includes buzzer circuit and alarm circuit for lamp；The controlled end of the buzzer circuit
It is connected with the buzzer control end of the control circuit, sends sound to point out user；The controlled end of the alarm circuit for lamp with
The warning light control end connection of the control circuit, lights to point out user.
Preferably, the color acquisition circuit includes color sensor chip, the first electric capacity and the second electric capacity；Described first
The first end of electric capacity is connected with the output end of the power circuit, the second end ground connection of first electric capacity, second electric capacity
Two ends of the two ends respectively with first electric capacity it is in parallel；The power end of the color sensor chip and first electric capacity
First end is connected, and the earth terminal of the color sensor chip is connected with the second end of first electric capacity；The color sensing
The signal output part of device chip with it is described control circuit first input end be connected, the address end of the color sensor chip and
High level or low level connection.
Preferably, the control circuit includes controller chip, crystal oscillating circuit, first resistor, the 3rd electric capacity, the 4th electricity
Appearance, the 5th electric capacity, the 6th electric capacity and the 7th electric capacity；3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity and the 7th
Output end of the first end of electric capacity all with the power circuit is connected, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th
Second end of electric capacity and the 7th electric capacity is all grounded；The output end of the power end of the controller chip and the power circuit connects
Connect, the earth terminal ground connection of the controller chip；The first input end of the controller chip and the first of the first resistor
End connection, the second end of the first resistor is connected with the output end of the power circuit, and the first of the controller chip is defeated
Enter output end of the end also with the color acquisition circuit to be connected；The output end of the crystal oscillating circuit and the crystalline substance of the controller chip
Shake and hold connection.
The utility model also proposes a kind of image quality detection means, including picture quality detection circuit, and the picture quality detection circuit includes
Control circuit, storage circuit, circuit for alarming and at least one color acquisition circuit；Wherein, the color acquisition circuit, collection is aobvious
Show the color information of preset on device, send to the control circuit；The storage circuit, prestores the bound of color information
Numerical value, and output this to the control circuit；The control circuit, above and below the color information and the color information
Limit numerical value is compared, and sends a control signal to the circuit for alarming；The circuit for alarming, receives the control signal, sends
Alarm is to point out user.
Technical solutions of the utility model are adopted by using control circuit, storage circuit, circuit for alarming and at least one color
Collector, forms a kind of picture quality detection circuit.The color of display screen preset is gathered by least one color acquisition circuit
Information, the bound numerical value of color information of the control circuit by the color information with being transferred from storage circuit is compared, according to
Comparative result, circuit for alarming sends alarm with the screen quality for pointing out user to be detected.The utility model improves display screen inspection
The speed and accuracy of survey, reduce testing cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the module diagram of the embodiment of the utility model picture quality detection circuit one；
Fig. 2 be Fig. 1 in color acquisition circuit circuit diagram；
Fig. 3 is the circuit diagram for controlling circuit in Fig. 1；
Fig. 4 be Fig. 1 in storage circuit circuit diagram；
Fig. 5 be Fig. 1 in circuit for alarming circuit diagram.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Color acquisition circuit | R7 | 7th resistance |
| 200 | Storage circuit | R8 | 8th resistance |
| 300 | Control circuit | R9 | 9th resistance |
| 400 | Circuit for alarming | R10 | Tenth resistance |
| 500 | Power circuit | R11 | 11st resistance |
| U1 | Color sensor chip | R12 | 12nd resistance |
| U2 | Controller chip | R13 | 13rd resistance |
| U3 | Eeprom chip | R14 | 14th resistance |
| U4 | Warning light | R15 | 15th resistance |
| U5 | Buzzer | C1 | First electric capacity |
| U6 | Burning terminal | C2 | Second electric capacity |
| Y | Crystal oscillator | C3 | 3rd electric capacity |
| D1 | First diode | C4 | 4th electric capacity |
| D2 | Second diode | C5 | 5th electric capacity |
| L | Inductance | C6 | 6th electric capacity |
| R1 | First resistor | C7 | 7th electric capacity |
| R2 | Second resistance | C8 | 8th electric capacity |
| R3 | 3rd resistor | C9 | 9th electric capacity |
| R4 | 4th resistance | C10 | Tenth electric capacity |
| R5 | 5th resistance | C11 | 11st electric capacity |
| R6 | 6th resistance |
The utility model purpose is realized, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
It is to be appreciated that institute is directional in the utility model embodiment indicates (such as up, down, left, right, before and after ...)
Relative position relation, motion conditions for being only used for explaining under a certain particular pose (as shown in drawings) between each part etc., such as
When really the particular pose changes, then directionality indicates also correspondingly therewith to change.
In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme
It will be understood that the combination of this technical scheme is not present when appearance is conflicting or can not realize, also not in the utility model requirement
Protection domain within.
The utility model proposes a kind of picture quality detection circuit.
Reference picture 1, the picture quality detection circuit includes control circuit 300, storage circuit 200, circuit for alarming 400 and at least
One color acquisition circuit 100；Wherein, the color information of preset, hair on the color acquisition circuit 100, collection display
Deliver to the control circuit 300；The storage circuit 200, prestores the bound numerical value of color information, and outputs this to institute
State control circuit 300；The control circuit 300, the bound numerical value of the color information and the color information is compared
Compared with sending a control signal to the circuit for alarming 400；The circuit for alarming 400, receives the control signal, send alarm with
Point out user.
It should be noted that the utility model embodiment includes multiple color acquisition circuits 100, color acquisition circuit
100 quantity and set location is configured according to the size of display screen to be detected, for example, 49-55 cuns of display screen is set
8 collection points are put, 55-65 cuns of display screen sets 9 collection points, and 65-82 cuns of display screen sets 10 collection points, 80 cun
Display screen above sets 12 collection points.By reasonably setting collection point, the color of image matter of each position of display screen is obtained
Amount.Meanwhile, during detection, the different image of a display screen meeting played in order, each color acquisition circuit carries out multi collect,
The quality of display screen is evaluated by multi collect.
Colour temperature, red-green-blue intensity in the utility model embodiment to display image, illumination, white balance etc. refer to
Mark is detected.
Technical solutions of the utility model are by using control circuit 300, storage circuit 200, circuit for alarming 400 and at least
One color acquisition circuit 100, forms a kind of picture quality detection circuit.By at least one color acquisition circuit 100, collection is aobvious
The color information of display screen preset, control circuit 300 is upper by the color information and the color information transferred from storage circuit 200
Lower limit number is compared, according to comparative result, and circuit for alarming 400 sends alarm with the screen quality for pointing out user to be detected.This
Utility model improves the speed of display screen detection, reduces testing cost.
Specifically, the output end of the color acquisition circuit 100 is connected with the first input end of the control circuit 300,
The output end of storage circuit 200 is connected with the second input of the control circuit 300, the control of the control circuit 300
End is connected with the controlled end of the circuit for alarming 400.
It should be noted that color acquisition circuit 100 is sent the data collected to control circuit by iic bus
At 300.
Specifically, in addition to power circuit 500；The output end of the power circuit 500 with respectively with the color acquisition
Circuit 100, the storage circuit 200, the power end for controlling circuit 300 and the circuit for alarming 400 are connected.
It should be noted that the power circuit 400 includes transformation chip, feedback circuit, the first filter circuit and second
Filter circuit；The output end of first filter circuit is connected with the input of the transformation chip, the transformation chip it is defeated
Go out end to be connected with the input of second filter circuit；The output end of second filter circuit is defeated for the power circuit
Go out end, the input of the output end of second filter circuit also with the feedback circuit is connected, the output of the feedback circuit
End is connected with the feedback end of the transformation chip.
In the utility model embodiment, the output voltage of the power circuit 400 is 3.3V electricity.
Specifically, the control circuit 300 includes counter module, the color that the color acquisition circuit 100 is exported
When the numerical value of information exceeds the bound numerical value of the color information, the counter module is accumulative Jia one, when the counter
The numerical value of module is more than preset value, and the control circuit 300 sends a control signal to the circuit for alarming 400, to send alarm
Prompting.
Specifically, the storage circuit 200 includes readable and writable memory EEPROM, and the storage circuit 200 receives user
The bound numerical value of the color information of input, so that the control circuit 300 is transferred.
Reference picture 2 is, it is necessary to which explanation, the storage circuit 200 includes eeprom chip U3, burning terminal U6, the tenth
Electric capacity C10, the 11st electric capacity C11, the first diode D1, the second diode D2, inductance L, the 4th resistance R4, the 5th resistance R5,
6th resistance R6, the 7th resistance R7, the 8th resistance R8 and the 9th resistance R9；First diode D1, the second diode D2 and inductance L
A filter circuit is constituted, the output of power circuit 500 is filtered, so that eeprom chip U3 is used；User can be by burning
Record terminal U6 inputs the bound numerical value of new color information to eeprom chip U3, and user can adjust standard, to adapt to
The detection of different display screens so that the picture quality detection circuit is more flexible.
6K-bit eeprom chips are used in the utility model embodiment.
Specifically, the color acquisition circuit 100 includes color filters and ADC converters；The color filters, filter
Removal of impurity color；The ADC converters, data signal is converted to by the colouring information collected by analog signal.
It should be noted that the color filters include red, green, blue and clear color wave filters.
Reference picture 3, specifically, the circuit for alarming 400 include buzzer circuit and alarm circuit for lamp；The buzzer electricity
The controlled end on road is connected with the buzzer control end of the control circuit 300, sends sound to point out user；The warning light electricity
The controlled end on road is connected with the warning light control end of the control circuit 300, lights to point out user.
It should be noted that the buzzer circuit includes buzzer U5, the 14th resistance R14 and the 15th resistance R15；
The first end of the 14th resistance R14 is connected with the buzzer control end of the controller chip U2, the 14th resistance
R14 the second end is connected with the first end of the buzzer U5, the second end ground connection of the buzzer U5；15th resistance
R15 first end is connected with the output end of the power circuit 500, the second end and the described tenth of the 15th resistance R15
Four resistance R14 first end connection.
Further, the alarm circuit for lamp includes warning light U4, the tenth resistance R10, the 11st resistance R11, the 12nd
Resistance R12 and the 13rd resistance R13；The first end of the 12nd resistance R12 and the 13rd resistance R13 all with the power supply
The output end connection of circuit 500, the second end of the 12nd resistance R12 is connected with the first end of the tenth resistance R10, institute
The second end for stating the 13rd resistance R13 is connected with the first end of the 11st resistance R11；Tenth resistance R10 first end is also
It is connected with the green light control end of the controller chip U2, the second end of the tenth resistance R10 is green with the warning light U4's
Lamp input is connected；Red light control end of the first end of the 11st resistance R11 also with the controller chip U2 is connected, institute
The second end for stating 11 resistance R11 of ground is connected with the green light input of the warning light U4, the output termination of the warning light U4
Ground.
When controller chip U2 judges that a display screen is qualified, there is red light control end to control warning light U4 green lights, with table
Show that the display screen is qualified；When controller chip U2 judges that a display screen is unqualified, warning light U4 is controlled to send out by red light control end
Feux rouges, while " drop " sound is ceaselessly sent by the buzzer circuit, to point out user's display screen unqualified.
The data for controlling circuit 300 often to receive after the color information of a sampled point just with storage circuit 200 are contrasted,
The contrast of next data is carried out if the numerical value of sampling is within the scope of setting, if an item data is not right, is then tired out
Meter is recorded, and carries out next sampled point comparison.When data have not exceeded the number of times of setting to the number of times of item, then directly to police
Telegraph circuit send fail signals, and the setting of number of times be according to knowhow sum up come numerical value.If data are always pair
, then continuing to sample compares until the color for completing all sampled points is compared.When completing the detection of picture then from
The setting value of next picture is read in eeprom chip U3.All sent if all of data in the range of to circuit for alarming
Pass signals.
For example：The machine of one 55 cun of production, which has altogether, to be needed to detect 20 pictures, and 8 points are detected per pictures.Altogether only
4 points detections can be added up unqualified.When detecting the first pictures the first, the color temperature value of eeprom chip U3 memory storages
For scope 8200K~~~8400K, if the value that the collection of color acquisition circuit 100 comes is as being 8300k, expression is in design
Within.If the value of collection is less than 8200K or more than 8400K, then it represents that color has deviation, then control in circuit 300
Counter carries out the contrast of next point again after Jia 1 automatically, if having detected all points of all pictures, counter
Value is all not above setting value 4, then sending pass signals to circuit for alarming, being reached if do not detected also if all point counters
Setting value 4 is arrived, processor will send fail signals to circuit for alarming 400, illustrate that the image quality of the display screen there is a problem.
Reference picture 4, specifically, the color acquisition circuit 100 include color sensor chip U1, the first electric capacity C1 and the
Two electric capacity C2；The first end of the first electric capacity C1 is connected with the output end of the power circuit 500, the first electric capacity C1's
Second end is grounded, and the two ends of the two ends of the second electric capacity C2 respectively with the first electric capacity C1 are in parallel；The color sensor
Chip U1 power end is connected with the first end of the first electric capacity C1, the earth terminal of the color sensor chip U1 with it is described
First electric capacity C1 the second end connection；The signal output part of the color sensor chip U1 and the of the control circuit 300
One input is connected, and the address end of the color sensor chip U1 is connected with high level or low level.
In the utility model embodiment, the color sensor chip U1 is realized using BH1745NUC chips.Color is passed
Sensor chip BH1745NUC supports the illuminance scope of detection to reach 0.005-40k lx, can reflect 50/60Hz optical noises, effectively
Visible light is extracted, precision is improved.Chip internal includes red, and green, blue and clear color wave filters, wave filter goes out
Data signal is converted to through ADC by iic bus be transferred to control circuit after coming.
Reference picture 5, specifically, the control circuit 300 include controller chip U2, crystal oscillating circuit, first resistor R1, the
Three electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6 and the 7th electric capacity C7；The 3rd electric capacity C3, the 4th electric capacity
The output end of C4, the 5th electric capacity C5, the 6th electric capacity C6 and the 7th electric capacity C7 first end all with the power circuit 500 is connected,
The 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6 and the 7th electric capacity C7 the second end are all grounded；Institute
The power end for stating controller chip U2 is connected with the output end of the power circuit 500, the earth terminal of the controller chip U2
Ground connection；The first input end of the controller chip U2 is connected with the first end of the first resistor R1, the first resistor R1
The second end be connected with the output end of the power circuit 500, the first input end of the controller chip U2 also with the face
The output end connection of color Acquisition Circuit 100；The output end of the crystal oscillating circuit is connected with the crystal oscillator end of the controller chip U2.
In the utility model embodiment, the controller chip U2 is realized using single-chip microcomputer MPS430.
Further, the crystal oscillating circuit includes crystal oscillator Y, second resistance R2,3rd resistor R3, the 8th electric capacity C8 and the 9th
Electric capacity C9；The first end of the crystal oscillator Y is connected with the first end of the 8th electric capacity C8, the second termination of the 8th electric capacity C8
Ground, the first end of the crystal oscillator Y is connected with the XI interfaces of the controller chip U2；The second end of the crystal oscillator Y and described the
Nine electric capacity C9 first end connection, the second end ground connection of the 9th electric capacity C9, the second end of the crystal oscillator Y is also with described second
Resistance R2 first end connection, the second end of the second resistance R2 is connected with the XO interfaces of the controller chip U2；It is described
3rd resistor R3 first end is connected with the second end of the 9th electric capacity C9, the second end ground connection of the 3rd resistor R3.
The utility model is by controlling circuit 300, storage circuit 200, circuit for alarming 400, power circuit 500 and at least
One color acquisition circuit 100 realizes a kind of picture quality detection circuit.By setting multiple color acquisition circuits 100 to display screen
The multiple data acquisition of multiple spot is carried out, is entered the data collected with being pre-stored in the data of storage circuit 200 by control circuit 300
Row is compared, and judges whether the display screen meets the requirements, then accordingly pointed out by circuit for alarming 400.The utility model technology
Scheme realizes automatic detection image quality, and accurate, efficient, cost is low.
The utility model also proposes a kind of image quality detection means, and the image quality detection means is detected including image quality as described above
Circuit, the concrete structure of the picture quality detection circuit is with reference to above-described embodiment, because image quality detection means employs above-mentioned all realities
Whole technical schemes of example, therefore all beneficial effects that at least technical scheme with above-described embodiment is brought are applied, herein
No longer repeat one by one.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become
Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of picture quality detection circuit, it is characterised in that including control circuit, storage circuit, circuit for alarming and at least one face
Color Acquisition Circuit；Wherein,
The color information of preset, sends to the control circuit on the color acquisition circuit, collection display；
The storage circuit, prestores the bound numerical value of color information, and outputs this to the control circuit；
The control circuit, the bound numerical value of the color information and the color information is compared, and sends control letter
Number to the circuit for alarming；
The circuit for alarming, receives the control signal, sends alarm to point out user.
2. picture quality detection circuit as claimed in claim 1, it is characterised in that the output end of the color acquisition circuit with it is described
The first input end connection of circuit is controlled, the storage circuit output end is connected with the second input of the control circuit, institute
The control end for stating control circuit is connected with the controlled end of the circuit for alarming.
3. picture quality detection circuit as claimed in claim 2, it is characterised in that also including power circuit；The power circuit
Output end and power supply respectively with the color acquisition circuit, the storage circuit, the control circuit and the circuit for alarming
End connection.
4. picture quality detection circuit as claimed in claim 3, it is characterised in that the control circuit includes counter module, institute
When the numerical value for stating a color information of color acquisition circuit output exceeds the bound numerical value of the color information, the counter
Module is accumulative Jia one, and when the numerical value of the counter module is more than preset value, the control circuit sends a control signal to described
Circuit for alarming, to send alarm sounds.
5. picture quality detection circuit as claimed in claim 4, it is characterised in that the storage circuit includes readable and writable memory
EEPROM, the storage circuit receives the bound numerical value of the color information of user's input, is transferred for the control circuit.
6. the picture quality detection circuit as described in any one of claim 3 to 5, it is characterised in that the color acquisition circuit includes
Color filters and ADC converters；The color filters, filter out impurity color；The ADC converters, by the color collected
Information is converted to data signal by analog signal.
7. picture quality detection circuit as claimed in claim 6, it is characterised in that the circuit for alarming includes buzzer circuit and police
Report circuit for lamp；The controlled end of the buzzer circuit is connected with the buzzer control end of the control circuit, sends sound to carry
Show user；The controlled end of the alarm circuit for lamp is connected with the warning light control end of the control circuit, lights to point out user.
8. picture quality detection circuit as claimed in claim 6, it is characterised in that the color acquisition circuit includes color sensor
Chip, the first electric capacity and the second electric capacity；The first end of first electric capacity is connected with the output end of the power circuit, and described
The second end ground connection of one electric capacity, the two ends of the two ends of second electric capacity respectively with first electric capacity are in parallel；The color is passed
The power end of sensor chip is connected with the first end of first electric capacity, the earth terminal of the color sensor chip and described the
The second end connection of one electric capacity；The first input end of the signal output part of the color sensor chip and the control circuit connects
Connect, the address end of the color sensor chip is connected with high level or low level.
9. picture quality detection circuit as claimed in claim 6, it is characterised in that the control circuit includes controller chip, crystalline substance
Shake circuit, first resistor, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity and the 7th electric capacity；3rd electric capacity,
The output end of four electric capacity, the 5th electric capacity, the first end of the 6th electric capacity and the 7th electric capacity all with the power circuit is connected, and described
Three electric capacity, the 4th electric capacity, the 5th electric capacity, the second end of the 6th electric capacity and the 7th electric capacity are all grounded；The electricity of the controller chip
Source is connected with the output end of the power circuit, the earth terminal ground connection of the controller chip；The of the controller chip
One input is connected with the first end of the first resistor, the second end of the first resistor and the output end of the power circuit
Connection, the output end of the first input end of the controller chip also with the color acquisition circuit is connected；The crystal oscillating circuit
Output end be connected with the crystal oscillator end of the controller chip.
10. a kind of image quality detection means, it is characterised in that detect electricity including the image quality as described in claim 1 to 9 Arbitrary Term
Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228687.3U CN206541595U (en) | 2017-03-08 | 2017-03-08 | Picture quality detection circuit and image quality detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228687.3U CN206541595U (en) | 2017-03-08 | 2017-03-08 | Picture quality detection circuit and image quality detection means |
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| Publication Number | Publication Date |
|---|---|
| CN206541595U true CN206541595U (en) | 2017-10-03 |
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ID=59942166
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720228687.3U Active CN206541595U (en) | 2017-03-08 | 2017-03-08 | Picture quality detection circuit and image quality detection means |
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| Country | Link |
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| CN (1) | CN206541595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060132A (en) * | 2018-09-11 | 2018-12-21 | 新灵电子技术开发(深圳)有限公司 | A kind of color identification processing system |
-
2017
- 2017-03-08 CN CN201720228687.3U patent/CN206541595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060132A (en) * | 2018-09-11 | 2018-12-21 | 新灵电子技术开发(深圳)有限公司 | A kind of color identification processing system |
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