CN103188426A - Offset error compensation device - Google Patents
Offset error compensation device Download PDFInfo
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- CN103188426A CN103188426A CN2011104514439A CN201110451443A CN103188426A CN 103188426 A CN103188426 A CN 103188426A CN 2011104514439 A CN2011104514439 A CN 2011104514439A CN 201110451443 A CN201110451443 A CN 201110451443A CN 103188426 A CN103188426 A CN 103188426A
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- offset
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- offset error
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Abstract
The invention relates to an offset error compensation device used for a photographic device. The offset error compensation device comprises a platform, an offset sensor, a computation assembly and an actuating assembly. The platform is provided with an X-axis coordinate and a Y-axis coordinate, and the solid photographic device is arranged on the platform. The offset sensor is arranged nearby the solid photographic device and senses offset of the solid photographic device. An offset error value is calculated through the computation assembly based on the offset. The actuating assembly is allocated on the platform, the solid photographic device is reversely driven to serve as compensation according to the offset error value, and the offset sensor is arranged between the solid photographic device and the actuating assembly.
Description
Technical field
The invention relates to a kind of compensation arrangement of the offset error for camera head, and particularly relevant for a kind of compensation arrangement of the offset error for camera head compensation solid state image pickup device.
Background technology
When the use of camera head, the problem that user's hand shakes can cause the difficulty on the image capture.Particularly for the frivolous digital camera of volume; because the stability of the hand-held digital camera of general user is not enough; therefore; usually can be in the moment of pressing shutter; since user's both hands shake or to press the application of force of shutter inhomogeneous and caused the vibrations of camera, and shoot fuzzy image.
Technical development along with camera head; usually various offset sensors can be set in the existing camera head; for example: angular-rate sensor or position transducer etc.; use detect during the camera head start respectively in; mobile angle delta data and change in location data, and produce corresponding sensing signal.Yet so the practice must have plural at least transducer, and the side-play amount of the device for solid photography of the side-play amount that senses and reality is not quite similar.When the side-play amount that senses and actual value are variant, also difference to some extent of the offset that is calculated according to this certainly, under this situation, the effect of compensation does not increase counter subtracting on the contrary.
Therefore, be necessary to propose a kind of compensation arrangement, can dwindle deviant that moment sensor senses and the gap of actual shifts value, could solve the hand image smear problem that the place causes because of vibration when using camera head that shakes.
Summary of the invention
The technical problem to be solved in the present invention is, the defective that there are gap in the deviant that senses at compensation arrangement of the prior art and actual shifts value provides a kind of compensation arrangement of offset error, and the more required compensation effect of closing to reality is provided.
The technical scheme that the present invention adopts for its technical problem of solution is, a kind of compensation arrangement of offset error is provided, and is used for camera head, comprises platform, offset sensor, computation module and actuating assembly.Platform has X-axis and Y-axis coordinate, and it is provided with device for solid photography.The offset sensor vicinity is arranged at by the device for solid photography, and the side-play amount of detecting device for solid photography.Computation module calculates offset error value based on side-play amount.Actuating assembly is disposed on the platform, and comes the reverse drive device for solid photography with by way of compensation according to offset error value, and wherein offset sensor is between device for solid photography and actuating assembly.
According to one embodiment of the invention, device for solid photography is charge coupled device.Offset sensor can be the magnetic strength assembly, as: Hall subassembly.Actuating assembly can be induction coil.
According to another embodiment of the present invention, offset sensor more comprises X, Y-axis skew sensing member, and side-play amount more comprises X, Y-axis side-play amount, when platform twists, and X, X, the Y-axis side-play amount of Y-axis skew sensing member in order to detect device for solid photography.As if 1 o'clock that only comprise X, Y-axis skew sensing member, offset error value was the range error value.If when comprising X, Y-axis skew sensing member simultaneously, offset error value is the angular error value, it is calculated and is got by X-axis side-play amount and Y-axis side-play amount.
Therefore, utilize the compensation arrangement of shift error of the present invention, can be when the platform torsion phenomenon take place, the offset error value that the minimizing offset sensor senses and actual offset error value gap, and then the more required compensation effect of closing to reality is provided.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, the description of the drawings is as follows:
Fig. 1 illustrates the structural representation according to the compensation arrangement of the offset error of an embodiment of the present invention.。
When Fig. 2 illustrates the generation of platform torsion phenomenon, device for solid photography and the side-play amount schematic diagram that is offset sensing component.
Embodiment
Please refer to Fig. 1, it illustrates the structural representation according to the compensation arrangement 100 of a kind of offset error of an embodiment of the present invention.The compensation arrangement 100 of offset error comprises platform 140, offset sensor 120 and actuating assembly 130.Platform 140 has X-axis and Y-axis coordinate, and it is provided with device for solid photography 110, and is provided with at least one axis hole group 150 around the device for solid photography 110.The contiguous sides that are arranged at device for solid photography 110 of offset sensor 120 when platform 140 twists, are detected the side-play amount of device for solid photography 110 in the mode of the gap error of ignoring axis hole group 150.That is to say that when platform 140 twisted, for actuating assembly 130, the offset sensor 120 of homonymy was homophase and approximate with the side-play amount of device for solid photography 110.Thus, offset sensor 120 just can be avoided the error that cause in the gap (between axle and the hole) of axis hole group 150.And computation module (not icon) returns and gives actuating assembly 130 just based on behind the side-play amount calculating offset error value.Actuating assembly 130 also is disposed on the platform 140, but than offset sensor 120 away from device for solid photography 110, and come reverse drive device for solid photography 110 to reach the compensation of offset error according to offset error value.
Please refer to Fig. 2 again, when it illustrates the generation of platform 140 torsion phenomenon, the side-play amount schematic diagram of device for solid photography 110 and offset sensor 120.Can be known by Fig. 2, when platform 140 twists, device for solid photography 110 around axis hole group 150 the axle with the hole between have the gap that cooperates, and cause the skew nonsynchronous situation, just produce gap error.But because offset sensor 120 neighbor configuration are in a side of device for solid photography 110, therefore when platform windup-degree θ, just know under the same angle from the trigonometric function concept, the more near then side-play amount of distance is more accurate, so the side-play amount d1 of device for solid photography 110 can be less than the side-play amount d2 of offset sensor 120.And when offset sensor 120 is contiguous when being placed on device for solid photography 110 peripheral, the mode that offset sensor 120 can be ignored the gap error of axis hole group 150 is detected the side-play amount of device for solid photography 110, in other words, the side-play amount d2 of the side-play amount d1 of device for solid photography 110 and offset sensor 120 approached in ten minutes, and can reach sensing usefulness more accurately.That is to say, by the mode of offset sensor 120 between device for solid photography 110 and actuating assembly 130, make the real offset of offset sensor 120 quite near the real offset of device for solid photography 110, so configuration mode is reached sensing usefulness more accurately.
During actual fabrication, aforementioned device for solid photography 110 can utilize charge coupled device to implement.Offset sensor 120 can be the magnetic strength assembly, as: Hall subassembly etc.Actuating assembly 130 can be induction coil.
And according to another embodiment of the present invention, offset sensor 120 more comprises X, Y-axis skew sensing member, and side-play amount more comprises X, Y-axis side-play amount, when platform 140 twists, and X, X, the Y-axis side-play amount of Y-axis skew sensing member in order to detect device for solid photography.If only comprise among X, the Y-axis skew sensing member at 1 o'clock, offset error value is the range error value.If when comprising X, Y-axis skew sensing member simultaneously, offset error value is the angular error value, it is calculated and is got by X-axis side-play amount and Y-axis side-play amount.
By the invention described above execution mode as can be known, using the present invention can be when the platform torsion phenomenon takes place, the offset error value that the minimizing transducer senses and actual offset error value gap, just can dwindle deviant that moment sensor senses and the gap of actual shifts value, and then the more required compensation effect of closing to reality is provided.
Though the present invention discloses as above with execution mode; but it is not in order to limiting the present invention, those skilled in the art person, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (9)
1. the compensation arrangement of an offset error is used for camera head, it is characterized in that, comprises:
Platform has X-axis and Y-axis, and device for solid photography is set on it;
Offset sensor, its contiguous being arranged at by this device for solid photography, and detect the side-play amount of this device for solid photography;
Computation module, it calculates offset error value based on this side-play amount; And
Actuating assembly, it is disposed on this platform, and comes this device for solid photography of reverse drive with by way of compensation according to this offset error value;
Wherein, this offset sensor is between this device for solid photography and this actuating assembly.
2. the compensation arrangement of offset error as claimed in claim 1 is characterized in that, this device for solid photography is charge coupled device.
3. the compensation arrangement of offset error as claimed in claim 1, it is characterized in that this offset sensor more comprises X-axis skew sensing member, this side-play amount more comprises the X-axis side-play amount, when this platform twisted, this X-axis skew sensing member was in order to detect this X-axis side-play amount of this device for solid photography.
4. the compensation arrangement of offset error as claimed in claim 1, it is characterized in that this offset sensor more comprises Y-axis skew sensing member, this side-play amount more comprises the Y-axis side-play amount, when this platform twisted, this Y-axis skew sensing member was in order to detect this Y-axis side-play amount of this device for solid photography.
5. as the compensation arrangement of claim 3 or 4 described offset errors, it is characterized in that this offset error value is the range error value.
6. the compensation arrangement of offset error as claimed in claim 1, it is characterized in that, this offset sensor more comprises X-axis skew sensing member and Y-axis skew sensing member, this side-play amount more comprises X-axis side-play amount and Y-axis side-play amount, when this platform twists, this X-axis skew sensing member is in order to detecting this X-axis side-play amount of this device for solid photography, and this Y-axis skew sensing member is in order to detect this Y-axis side-play amount of this device for solid photography.
7. the compensation arrangement of offset error as claimed in claim 6 is characterized in that, this offset error value comprises the angular error value, and it is calculated and got by this X-axis side-play amount and this Y-axis side-play amount.
8. the compensation arrangement of offset error as claimed in claim 1 is characterized in that, this transducer is Hall subassembly.
9. the compensation arrangement of offset error as claimed in claim 1 is characterized in that, this actuating assembly is induction coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104514439A CN103188426A (en) | 2011-12-29 | 2011-12-29 | Offset error compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104514439A CN103188426A (en) | 2011-12-29 | 2011-12-29 | Offset error compensation device |
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| CN103188426A true CN103188426A (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104514439A Pending CN103188426A (en) | 2011-12-29 | 2011-12-29 | Offset error compensation device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101052098A (en) * | 2006-04-06 | 2007-10-10 | 华邦电子股份有限公司 | Method and camera for reducing image blurring |
| CN101155269A (en) * | 2006-09-28 | 2008-04-02 | 佳能株式会社 | Imaging apparatus, control method thereof, and imaging system |
| CN101233746A (en) * | 2005-08-04 | 2008-07-30 | 松下电器产业株式会社 | Imaging device |
| JP2009038766A (en) * | 2007-08-03 | 2009-02-19 | Hitachi Kokusai Electric Inc | Video signal multiplex transmission device, and imaging apparatus employing video signal multiplex transmission device |
-
2011
- 2011-12-29 CN CN2011104514439A patent/CN103188426A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101233746A (en) * | 2005-08-04 | 2008-07-30 | 松下电器产业株式会社 | Imaging device |
| CN101052098A (en) * | 2006-04-06 | 2007-10-10 | 华邦电子股份有限公司 | Method and camera for reducing image blurring |
| CN101155269A (en) * | 2006-09-28 | 2008-04-02 | 佳能株式会社 | Imaging apparatus, control method thereof, and imaging system |
| JP2009038766A (en) * | 2007-08-03 | 2009-02-19 | Hitachi Kokusai Electric Inc | Video signal multiplex transmission device, and imaging apparatus employing video signal multiplex transmission device |
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Application publication date: 20130703 |