CN2510892Y - Automatic exposure function testing device of digital camera - Google Patents
Automatic exposure function testing device of digital camera Download PDFInfo
- Publication number
- CN2510892Y CN2510892Y CN 01271290 CN01271290U CN2510892Y CN 2510892 Y CN2510892 Y CN 2510892Y CN 01271290 CN01271290 CN 01271290 CN 01271290 U CN01271290 U CN 01271290U CN 2510892 Y CN2510892 Y CN 2510892Y
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- China
- Prior art keywords
- digital camera
- light box
- camera
- automatic exposure
- order
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a testing device used to test the automatic exposure function of a digital camera. The testing device includes a clamping device used to clamp the digital camera; a light box used to provide the light source for the testing; and an optical module group part arranged between the clamping device and the light box, which is used to change the brightness emitted from the light source of the light box to the digital camera. The optical module group part includes a rotation device rotating via a driving device, and the utility model is provided with a plurality of optical lenses with different transmittances thereon.
Description
Technical field
The utility model relates to a kind of proving installation, particularly relates to a kind of proving installation of digital camera automatic exposure function.
Background technology
Digital camera is to obtain analog image by charge coupled cell (Charge Coupled Device) or complementary metal oxide semiconductor image sensor photo-sensitive cells such as (CMOS Image Sensor), then become the converter (ADC) of numeral that analog image is encoded into digital signal by analog-converted again and be stored to temporary storage, after by digital signal processor (DSP) digital signal being compressed again, be stored in the storer.Therefore digital camera does not need to use egative film fully, has omitted the inconvenience that traditional camera must wash egative film.And the digital picture that digital camera is stored can manifest on various displays immediately, and can use various digital image processing techniques and equipment is edited, revises, transmitted or exports, and is therefore very convenient.
Generally speaking, digital camera all has the function of automatic exposure, and this automatic exposure function can detect the variation of ambient brightness, promptly adjusts the exposure mechanism (for example shutter or aperture etc.) of digital camera, to reach the correct exposure value.In addition, automatic exposure function can also be made exposure compensating at abominable exposure environment (for example backlight or low-light level environment).
In view of this, digital camera manufacturer all can test at automatic exposure function before digital camera dispatches from the factory, to guarantee that digital camera under Different Light intensity, can both obtain the brightness effects uniform images.
Prior art normally utilizes light box so that background light source to be provided when carrying out the test of automatic exposure function, whether can provide the brightness effects uniform images under Different Light intensity by the brightness that changes light box with the test digital camera.
Yet, usually light box be by voltage or Current Control changing its brightness, and the brightness range of its change is restricted, so prior art must utilize many group light boxs to test.
The utility model content
The purpose of this utility model is to propose a kind of proving installation, only needs to use one group of light box can carry out the test of automatic exposure function, must utilize many group light boxs just can carry out the shortcoming and the inconvenience of automatic exposure function test thereby solved prior art.
The purpose of this utility model is achieved in that promptly provides a kind of automatic exposure function of digital camera proving installation, and in order to test the automatic exposure function of a camera, it comprises: a clamping device in order to the described camera of clamping; One in order to provide the light box of the required light source of test; Between described clamping device and described light box, be provided with one in order to change the optical mode assembly of described light box light source projects to the optical strength of described camera.
According to These characteristics, in preferred embodiment of the present utility model, the optical mode assembly comprises a whirligig, has the optical mirror slip of a plurality of different transmittances on it.And this whirligig rotates by a drive unit.
The utility model also provides a kind of automatic exposure function proving installation proving installation of digital camera, comprising: a clamping device in order to the described camera of clamping; One in order to provide the light box of the required light source of test; Between described clamping device and described light box, be provided with one in order to change the optical mode assembly of described light box light source projects to the optical strength of described camera; Described optical mode assembly is a rotational structure, described rotational structure has the optical mirror slip of a plurality of different transmittances, and described optical mirror slip is positioned at the periphery of described rotational structure, the described light when carrying out test action at every turn only by described each optical mirror slip one of them.
The advantage of the utility model device is, it is except the automatic exposure function that can test digital camera, also can be used as the system that multiple different light sources intensity is provided, compared with prior art, when the automatic exposure function of test digital camera, must utilize many group light boxs so that multiple light intensity to be provided, the utility model then only needs to use one group of light box that the multiple intensity of light source can be provided, so, proving installation of the present utility model not only can be saved outside the space, and the design of optical mode assembly also can make light box brightness that bigger setting range is arranged.
Description of drawings
Side view when Fig. 1 tests for proving installation of the present utility model;
Top view when Fig. 2 tests for proving installation of the present utility model;
Fig. 3 is an optical mode assembly of the present utility model.
Embodiment
See also Fig. 1 and Fig. 2, to obtain the detailed description of proving installation 10 of the present utility model.Proving installation 10 of the present utility model has a clamping device 13, an optical mode assembly 14, a drive unit 16, a rotating shaft 161 and a light box 18.
Wherein, clamping device 13 can be for clamping one digital camera 12 to carry out the test of automatic exposure function.Light box 18 is in order to provide the test of carrying out automatic exposure function required light source, and in preferred embodiment of the present utility model, light box 18 is identical with the employed light box of prior art substantially.Optical mode assembly 14 is arranged between clamping device 13 and the light box 18, the brightness in order to the light source projects that changes light box 18 during to the camera lens 121 of digital camera 12.Drive unit 16 is connected with optical mode assembly 14 by rotating shaft 161, in order to rotate optical mode assembly 14.In preferred embodiment of the present utility model, drive unit 16 is a servo motor, but not as limit.
See also Fig. 3, optical mode assembly 14 of the present utility model has a whirligig 140, optical mirror slip 141,142,143 and 144, and an axis hole 145.
Wherein, in preferred embodiment of the present utility model, whirligig 140 is a round turntable, but not as limit.The optical mirror slip 141,142,143 and 144 that has a plurality of different transmittances on the whirligig 140.In preferred embodiment of the present utility model, optical mirror slip 141,142,143 and 144 is polariscope or dim light mirror, but not as limit.One axis hole 145 is arranged for the rotating shaft 161 of holding drive unit 16 on the whirligig 140.
See also Fig. 1, Fig. 2 and Fig. 3, when carrying out the automatic exposure function test, digital camera 12 is held device 13 clampings, wherein a slice optical mirror slip of optical mode assembly 14 is passed through at the visual angle of the camera lens 121 of digital camera 12 (being 121 fabric widths that can contain of camera lens), for example optical mirror slip 141, and fall in the scope of light box 18.
As changing the light-source brightness that light box 18 is projected to the camera lens 121 of digital camera 12, can rotate optical mode assembly 14 by drive unit 16, make the visual angle of camera lens 121 another sheet optical mirror slip by optical mode assembly 14, for example optical mirror slip 142.
Then can repeat above-mentioned steps, the visual angle that makes camera lens 121 is respectively by optical mirror slip 143 and 144.Because optical mirror slip 141,142,143 and 144 has different transmittances respectively, therefore can provide the light source of digital camera 12 different brightness via configuration of the present utility model.
At last, make digital camera 12 reach suitable automatic exposure function, so that under Different Light changed, the brightness of image effect that digital camera 12 is obtained all was consistent by adjusting time shutter, gain (Gain) value and f-number etc.
The utility model can overcome the shortcoming that prior art must be utilized many group light boxs, and the utility model also can be used as the system that multiple varying strength light source is provided via above-mentioned configuration.Yet, disclosing the utility model in conjunction with above preferred embodiment, but therefore do not limit the utility model, any those skilled in the art can do a little change and retouching in not breaking away from spirit and scope of the present utility model.Whirligig 140 for example of the present utility model can be square or other shapes, and is not limited only to circle.The utility model also is not limited only to provide four optical mirror slips 141,142,143 and 144, and the utility model also can provide more or less optical mirror slip, and still reaches the purpose of this utility model.Therefore protection domain of the present utility model should be with being as the criterion that claim was defined.
Claims (6)
1. the automatic exposure function proving installation of a digital camera, in order to test the automatic exposure function of a camera, it comprises: a clamping device in order to the described camera of clamping; One in order to provide the light box of the required light source of test; It is characterized in that, between described clamping device and described light box, be provided with one in order to change the optical mode assembly of described light box light source projects to the optical strength of described camera.
2. proving installation as claimed in claim 1 is characterized in that, described camera is a digital camera.
3. proving installation as claimed in claim 1 is characterized in that, also is provided with a whirligig in described optical mode assembly, and described whirligig has the optical mirror slip of a plurality of different transmittances.
4. proving installation as claimed in claim 3 is characterized in that, also comprises one in order to rotate the drive unit of described whirligig.
5. proving installation as claimed in claim 4 is characterized in that, described drive unit is a servo motor.
6. the automatic exposure function proving installation proving installation of a digital camera comprises: a clamping device in order to the described camera of clamping; One in order to provide the light box of the required light source of test; It is characterized in that, between described clamping device and described light box, be provided with one in order to change the optical mode assembly of described light box light source projects to the optical strength of described camera; Described optical mode assembly is a rotational structure, described rotational structure has the optical mirror slip of a plurality of different transmittances, and described optical mirror slip is positioned at the periphery of described rotational structure, the described light when carrying out test action at every turn only by described each optical mirror slip one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01271290 CN2510892Y (en) | 2001-12-21 | 2001-12-21 | Automatic exposure function testing device of digital camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01271290 CN2510892Y (en) | 2001-12-21 | 2001-12-21 | Automatic exposure function testing device of digital camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2510892Y true CN2510892Y (en) | 2002-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01271290 Expired - Fee Related CN2510892Y (en) | 2001-12-21 | 2001-12-21 | Automatic exposure function testing device of digital camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2510892Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378575C (en) * | 2003-09-05 | 2008-04-02 | 金宝电子工业股份有限公司 | Power control correcting device and method for flash lamp of digital camera |
| CN102053005A (en) * | 2009-10-31 | 2011-05-11 | 鸿富锦精密工业（深圳）有限公司 | System and method for automatically testing photographing function of electronic device |
| CN102253594A (en) * | 2011-06-21 | 2011-11-23 | 北京凌云光视数字图像技术有限公司 | Platform for testing performance of camera based on EMVA1288 standard |
| CN104965387A (en) * | 2015-07-15 | 2015-10-07 | 深圳市明宇通检测有限公司 | Exposure time, frame rate and smear test device and test method |
-
2001
- 2001-12-21 CN CN 01271290 patent/CN2510892Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378575C (en) * | 2003-09-05 | 2008-04-02 | 金宝电子工业股份有限公司 | Power control correcting device and method for flash lamp of digital camera |
| CN102053005A (en) * | 2009-10-31 | 2011-05-11 | 鸿富锦精密工业（深圳）有限公司 | System and method for automatically testing photographing function of electronic device |
| CN102053005B (en) * | 2009-10-31 | 2014-12-10 | 鸿富锦精密工业（深圳）有限公司 | System and method for automatically testing photographing function of electronic device |
| CN102253594A (en) * | 2011-06-21 | 2011-11-23 | 北京凌云光视数字图像技术有限公司 | Platform for testing performance of camera based on EMVA1288 standard |
| CN104965387A (en) * | 2015-07-15 | 2015-10-07 | 深圳市明宇通检测有限公司 | Exposure time, frame rate and smear test device and test method |
| CN104965387B (en) * | 2015-07-15 | 2017-11-28 | 深圳市明宇通检测有限公司 | A kind of time for exposure, frame per second and smear test device and its method of testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BENQ MOTOR CO., LTD. Free format text: FORMER NAME OR ADDRESS: BENQ ELECTRONS STOCK CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Benq Corp. Patentee before: Benq Corp. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |