CN203859820U - Projector and trapezoidal correcting device thereof - Google Patents
Projector and trapezoidal correcting device thereof Download PDFInfo
- Publication number
- CN203859820U CN203859820U CN201420212318.1U CN201420212318U CN203859820U CN 203859820 U CN203859820 U CN 203859820U CN 201420212318 U CN201420212318 U CN 201420212318U CN 203859820 U CN203859820 U CN 203859820U
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- keystone
- angle
- optical system
- projecting apparatus
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- 230000003287 optical effect Effects 0.000 claims abstract description 25
- 238000003702 image correction Methods 0.000 claims description 22
- 230000003321 amplification Effects 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
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Abstract
The utility model provides a projector and a trapezoidal correcting device thereof. The trapezoidal correcting device comprises an angle sensor, an angle processing unit and an image correcting unit, wherein the angle sensor is arranged on an optical system module inside the projector and used for detecting the angle of an optical system in the projector; the angle processing unit is used for acquiring a trapezoidal correction value according to the angle of the optical system, and transmitting the trapezoidal correction value to the image correcting unit of the projector; and the image correcting unit is used for performing trapezoidal correction on input images according to the trapezoidal correction value, and can carry out automatic correction on trapezoidal distortion generated by the projector during the image projecting process, so as to obtain the optimal image projection effect.
Description
Technical field
The utility model belongs to projection display technique field, relates to a kind of Projection Display keystone correction device, especially a kind of keystone correction device of producing for LED micro projector.
Background technology
Projecting apparatus in routine use, guarantee drop shadow effect when the plane at light engine place and projection screen meet at right angles in projecting apparatus.If cannot guarantee the vertical of the two, picture will produce trapezoidal distortion.In this case, need to use " trapezoid correction function " to proofread and correct trapezoidal, guarantee that picture becomes the rectangle of standard.
In the process of production projector, need guarantee that the plane at light engine place in projecting apparatus and projection screen meet at right angles, projector's projected picture that guarantee dispatches from the factory is like this rectangle.
In projecting apparatus production process, be generally to guarantee that projecting apparatus projected picture is rectangle, adopt the physical location of light engine in manual adjustments projector, guarantee that trapezoidal distortion does not appear in projector.
This kind of method needs repeatedly repeatedly to regulate light engine position, causes production efficiency low, and cost of labor is high.
Utility model content
The purpose of this utility model is to overcome the shortcoming in background technology, and a kind of projecting apparatus and keystone device thereof are provided.
The utility model provides a kind of projector trapezoidal means for correcting.
The technical solution of the utility model is as follows:
A kind of keystone device of projecting apparatus, comprise angular transducer, angle processing unit, image correction unit, this angular transducer is arranged on the Optical system module of this projecting apparatus inside, for surveying the angle of projecting apparatus optical system, this angle processing unit is for obtaining keystone value according to the angle of optical system, and this keystone value being sent to the image correction unit of projecting apparatus, this image correction unit is for carrying out keystone according to keystone value to the image of input.
The utility model provides a kind of projecting apparatus with trapezoid correction function.
A projecting apparatus, comprises master board, Optical system module, image processing module, memory module and keystone module, master board is used for, and accepts outside man-machine interaction instruction, complete show various signal sources amplification, the work such as dwindle; Memory module is used for storing data; Described keystone module comprises angular transducer, angle processing unit, image correction unit, angular transducer is arranged in the optical system of this projecting apparatus, for surveying the angle of projecting apparatus optical system, angle processing unit is arranged in master board for obtaining keystone value according to the angle of optical system, and send this keystone value to image correction unit, image correction unit is arranged on the image processing module of image projector of projecting apparatus, and image correction unit is for carrying out keystone according to keystone value to the image of input.
The utlity model has following advantage: the trapezoidal distortion that projecting apparatus described in the utility model and keystone device thereof can produce projecting apparatus in image projection process is carried out automatic calibration, to obtain the drop shadow effect of best picture.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the present utility model.
Fig. 2 is the projecting apparatus that the utlity model has ladder type calibration function.
Drawing reference numeral explanation: the 1 keystone device that be projecting apparatus, 2 is Optical system module, and 3 is angular transducer, and 4 is angle processing unit, and 5 is image correction unit, and 6 is master board, and 7 is memory module, and 8 is image processing module.
Embodiment
Fig. 1 is that the utility model is for the keystone device schematic diagram of projecting apparatus, the keystone device 1 of projecting apparatus, comprise angular transducer 3, angle processing unit 4, image correction unit 5, this angular transducer 3 is arranged on the Optical system module 2 of this projecting apparatus inside, for surveying the angle of projecting apparatus Optical system module 2, angular transducer 3 is sent to angle processing unit 4 by the angle value of detection, described angle processing unit 4 is for obtaining keystone value according to the angle of Optical system module 2, and this keystone value is sent to the image correction unit 5 of projecting apparatus, this image correction unit 5 is for carrying out keystone according to keystone value to the image of input.
Fig. 2 is the projecting apparatus that the utlity model has trapezoid correction function, comprises master board 6, Optical system module 2, image processing module 8, memory module 7 and keystone device 1, master board 6 is for accepting outside man-machine interaction instruction, complete show various signal sources amplification, the work such as dwindle, memory module 7 is for storing data, described keystone device 1 comprises angular transducer 3, angle processing unit 4, image correction unit 5, angular transducer 3 is arranged on the Optical system module 2 of this projecting apparatus, for surveying the angle of projecting apparatus Optical system module 2, angle processing unit 4 is arranged in master board 6 for obtaining keystone value according to the angle of Optical system module 2, and send this keystone value to image correction unit 5, image correction unit 5 is arranged on the image processing module 6 of projecting apparatus, image correction unit 5 is for carrying out keystone according to keystone value to the image of input.
Claims (2)
1. the keystone device of a projecting apparatus, it is characterized in that comprising angular transducer, angle processing unit, image correction unit, described angular transducer is arranged on the Optical system module of this projecting apparatus inside, for surveying the angle of projecting apparatus optical system, described angle processing unit is for obtaining keystone value according to the angle of Optical system module, and this keystone value being sent to the image correction unit of projecting apparatus, described image correction unit is for carrying out keystone according to keystone value to the image of input.
2. a projecting apparatus comprises master board, Optical system module, image processing module and memory module, master board is used for accepting outside man-machine interaction instruction, complete the amplification that shows various signal sources, the work such as dwindle, memory module is used for storing data, it is characterized in that: also comprise keystone device, described keystone device comprises angular transducer, angle processing unit, image correction unit, described angular transducer is arranged in the optical system of this projecting apparatus, for surveying the angle of projecting apparatus optical system, described angle processing unit is arranged in master board for obtaining keystone value according to the angle of optical system, and send this keystone value to image correction unit, image correction unit is arranged in projector image processing module, image correction unit is for carrying out keystone according to keystone value to the image of input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212318.1U CN203859820U (en) | 2014-04-29 | 2014-04-29 | Projector and trapezoidal correcting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212318.1U CN203859820U (en) | 2014-04-29 | 2014-04-29 | Projector and trapezoidal correcting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859820U true CN203859820U (en) | 2014-10-01 |
Family
ID=51609664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420212318.1U Expired - Lifetime CN203859820U (en) | 2014-04-29 | 2014-04-29 | Projector and trapezoidal correcting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128007A (en) * | 2016-08-26 | 2016-11-16 | 宁波圣达精工智能科技有限公司 | Intelligent compact shelf controls guard system |
| CN117255184A (en) * | 2023-11-17 | 2023-12-19 | 深圳市橙子数字科技有限公司 | Correction method for side projection blur of projector |
-
2014
- 2014-04-29 CN CN201420212318.1U patent/CN203859820U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128007A (en) * | 2016-08-26 | 2016-11-16 | 宁波圣达精工智能科技有限公司 | Intelligent compact shelf controls guard system |
| CN117255184A (en) * | 2023-11-17 | 2023-12-19 | 深圳市橙子数字科技有限公司 | Correction method for side projection blur of projector |
| CN117255184B (en) * | 2023-11-17 | 2024-03-08 | 深圳市橙子数字科技有限公司 | Correction method for side projection blur of projector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230718 Address after: 710077 Xi'an hi tech Zone 56, Xi'an, Shaanxi Province, No. 56 Patentee after: Focuslight Technologies Inc. Address before: 710119 2nd Floor, Building 10, No. 17 Information Avenue, New Industrial Park, High tech Zone, Xi'an City, Shaanxi Province Patentee before: XI'AN YUSHI PHOTOELECTRIC SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |
|
| CX01 | Expiry of patent term |