CN1323546C - Depth focus adjusting and measuring device - Google Patents
Depth focus adjusting and measuring device Download PDFInfo
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- CN1323546C CN1323546C CNB031199550A CN03119955A CN1323546C CN 1323546 C CN1323546 C CN 1323546C CN B031199550 A CNB031199550 A CN B031199550A CN 03119955 A CN03119955 A CN 03119955A CN 1323546 C CN1323546 C CN 1323546C
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- measuring device
- load bearing
- bearing seat
- target load
- focus adjusting
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Abstract
The present invention relates to a field depth adjustment and measurement device. The distance between an imaging object and an imaging module can be changed by an elastic component and an adjustment device, and further, the field depth of the imaging module can be effectively adjusted and measured. What is more, besides the design of the present invention can independently exist, the present invention can be combined with processing tools of other imaging devices, and the functionality of the processing tools are further upgraded. The field depth adjustment and measurement device of the present invention not only can effectively adjust and measure the field depth of an imaging module of an imaging device, but also can upgrade the functionality of processing tools of the publicly known technique.
Description
Technical field
The present invention relates to a kind of Depth focus adjusting and measuring device, refer in particular to a kind of Depth focus adjusting and measuring device that can be used for photographing module.
Background technology
The depth of field is a critical nature of camera head.Briefly, when camera lens was focused to main body, the object before and after main body in some distances also can become sharp image, and the depth of field promptly was this section front and back distance ranges all clearly.
With the scanner is example, if shooting target itself has a little a little difference in height, when the target of for example making a video recording is a book, then the field depth of the photographing module of scanner will have suitable influence for the quality of institute's pick-up image.Therefore, in the accent survey process before a camera head dispatches from the factory, surveying about the accent of the field depth of photographing module is a considerable job.Yet, in the accent measurement fixture of known technology, not at transferring effective tool of surveying field depth.So,, can effectively promote the performance of camera head if can provide a kind of effective depth of field to transfer measurement fixture.
Therefore, in order effectively to transfer the field depth of surveying a photographing module, how to provide that a kind of can effectively to transfer the device of the depth of field of surveying a photographing module be a very important problem to promote the performance of a camera head.
Summary of the invention
Main purpose of the present invention is to provide a Depth focus adjusting and measuring device effectively to transfer the field depth of the photographing module of surveying a camera head, and then can promote the performance of above-mentioned camera head.
Another object of the present invention is to provide a Depth focus adjusting and measuring device, effectively expand the function of original tool, save the space.
For achieving the above object, the invention provides a kind of Depth focus adjusting and measuring device, be installed on the camera head, comprise:
One supporting seat is the platform for video camera of camera head, is used for placing a photographing module;
One shooting target load bearing seat is used for placing the shooting target;
At least one flexible member is positioned at the outside of this supporting seat, and an end is connected in this shooting target load bearing seat, and the other end is connected to the holder on the camera head;
One reconciles device contacts with this target load bearing seat below, and wherein this adjusting device is transferred the purpose of surveying the depth of field in order to change the distance between this target load bearing seat and this supporting seat to reach.
Described Depth focus adjusting and measuring device, wherein this flexible member is a spring.
Described Depth focus adjusting and measuring device, wherein this adjusting device comprises a cam.
Described Depth focus adjusting and measuring device, wherein this cam comprises the side of plural groups different radii.
Described Depth focus adjusting and measuring device, wherein this fixed seating is in the top of this shooting target load bearing seat.
Described Depth focus adjusting and measuring device, wherein this adjusting device comprises a cam with side of plural groups different radii.
Described Depth focus adjusting and measuring device, wherein this adjusting device more comprises a bearing, and this bearing is in order to support this cam.
Described Depth focus adjusting and measuring device, wherein this adjusting device more comprises a control element, and this control element is in order to change the side that this cam contacts with this shooting target load bearing seat.
Description of drawings
Fig. 1 is the schematic side view of Depth focus adjusting and measuring device of the present invention;
Fig. 2 is another schematic side view of Depth focus adjusting and measuring device of the present invention;
Fig. 3 is the schematic diagram of cam of the present invention;
Fig. 4 is one of stereogram of a preferred embodiment of the present invention;
Fig. 5 is the other direction stereogram of preferred embodiment shown in Figure 4.
Embodiment
Embodiments of the invention are described in detail as follows.Yet except the embodiment that describes in detail, the present invention can also be widely implements at other embodiment, and scope of the present invention do not limited, and it is as the criterion with claim.The different piece of each element is not drawn according to size in this manual.Some yardstick is compared with other scale dependents and is exaggerated, so that clearer description and understanding of the present invention to be provided.
A preferred embodiment of the present invention is a kind of structure of Depth focus adjusting and measuring device.
Above-mentioned Depth focus adjusting and measuring device can be applied to the accent of a camera head and survey.Be more preferably, above-mentioned Depth focus adjusting and measuring device can combine with other device for adjusting and measuring.Above-mentioned Depth focus adjusting and measuring device comprises a supporting seat at least, a shooting target load bearing seat, at least one flexible member, and an adjusting device.Above-mentioned supporting seat is used for supporting the photographing module of a camera head.Above-mentioned shooting target load bearing seat is used for placing a shooting target, for example, and a file, or a correction chart (test chart).Above-mentioned fixed seating is in the top of above-mentioned shooting target load bearing seat.One end of above-mentioned flexible member is connected in above-mentioned holder, and the other end of above-mentioned flexible member is connected to above-mentioned shooting target load bearing seat.Above-mentioned flexible member can be a spring.
Above-mentioned adjusting device is positioned at the below of above-mentioned shooting target load bearing seat.Above-mentioned adjusting device comprises a cam at least.Above-mentioned cam has the side of plural groups different radii.Above-mentioned flexible member can push up above-mentioned shooting target load bearing seat downwards, makes the surface below of above-mentioned shooting target load bearing seat can be close to above-mentioned cam.
In Depth focus adjusting and measuring device according to the present invention, above-mentioned flexible member and adjusting device can force in above-mentioned shooting target load bearing seat with a rightabout respectively.So, when stating Depth focus adjusting and measuring device in the use and transfer the depth of field of surveying a photographing module, can change shooting target load bearing seat to the distance between the above-mentioned photographing module by adjusting above-mentioned cam, and then can reach the purpose of transferring the depth of field of surveying a photographing module with side of plural groups different radii.In other words,, only need in the accent measurement fixture of the photographing module of known technology, increase design, can on the accent measurement fixture of known technology, carry out the accent of the depth of field of a photographing module and survey according to Depth focus adjusting and measuring device of the present invention according to the present invention.
The structure that another preferred embodiment according to the present invention is a kind of Depth focus adjusting and measuring device.Above-mentioned Depth focus adjusting and measuring device can be applied to the accent of a camera head and survey.In according to one embodiment of the invention, above-mentioned Depth focus adjusting and measuring device can transfer measurement fixture to combine with other camera head.At least comprise a supporting seat according to Depth focus adjusting and measuring device of the present invention, a shooting target load bearing seat, a holder, at least one flexible member, and an adjusting device.Position relation between above-mentioned each element please refer to Fig. 1.
Fig. 1 is the schematic diagram of Depth focus adjusting and measuring device of the present invention.Simultaneously please referring to Fig. 4 and Fig. 5.As shown in Figure 1, supporting seat 100 is used for supporting a photographing module 110.Above-mentioned photographing module 110 can be the sliding casket (chassis) of one scan device.Below supporting seat 100, has a shooting target load bearing seat 120.Shooting target load bearing seat 120 is used for carrying a shooting target.Above-mentioned shooting target can be a file, a correction chart (test chart), or other shooting target.
Depth focus adjusting and measuring device according to present embodiment comprises a flexible member 130 at least.One end of flexible member 130 is fixed in above-mentioned shooting target load bearing seat 120, and the other end of flexible member 130 is fixed in a holder 140.In according to one embodiment of the invention, above-mentioned Depth focus adjusting and measuring device comprises two elastic elements.Above-mentioned flexible member 130 can be the spring that lays respectively at above-mentioned load bearing seat 100 outsides.
Above-mentioned Depth focus adjusting and measuring device can more comprise the below that an adjusting device 150 is positioned at above-mentioned shooting target load bearing seat 120.Above-mentioned adjusting device 150 comprises a cam 160 at least.Above-mentioned flexible member 130 makes the surface below of shooting target load bearing seat 120 can be close to above-mentioned cam 160 to provide an active force in above-mentioned shooting target load bearing seat 120.
Above-mentioned cam 160 has the side of plural groups different radii.Fig. 2 is another schematic side view according to the Depth focus adjusting and measuring device of present embodiment.Because flexible member 130 forces in shooting target load bearing seat 120 with a rightabout respectively with adjusting device 150, so shooting target load bearing seat 120 can be close to cam 160.Moreover, because cam 160 has the side of plural groups different radii, so, can be used for the side that contacts with the target load bearing seat 120 of making a video recording by changing cam 160, change the distance of making a video recording between target load bearing seat 120 and the photographing module 110 to reach, and then can reach the function of transferring the survey depth of field.
In Fig. 2, when the dotted line that is indicated in cam 160 tops represents that respectively the different sides with cam 160 supports shooting target load bearing seat 120, the position of shooting target load bearing seat 120.By the position distribution of dotted line as can be seen, when changing the side that cam 160 is used for the target load bearing seat 120 of making a video recording contacts, can effectively change the distance between shooting target load bearing seat 120 and the photographing module 110, and then reach the purpose that to transfer the depth of field of surveying photographing module 110.
In the embodiment according to present embodiment, above-mentioned adjusting device 150 can more comprise a bearing 170 in order to supporting cam wheel 160, and a control element 180 is connected in the end of above-mentioned bearing 170.In the present embodiment, can change cam 160 by above-mentioned control element 180 and be used for the side that contacts with the target load bearing seat 120 of making a video recording, and then reach the distance that change to change shooting target load bearing seat 120 and 110 of photographing modules, with the purpose of the depth of field of transferring survey photographing module 110.
Fig. 3 is a kind of schematic diagram of cam of present embodiment.Yet, according to the number of sides of the cam of present embodiment, shape, and other physical features do not exceed with Fig. 3.In an embodiment of present embodiment, cam 160 can have the side of four groups of different radiis, and its length relation can be a＜b＜c＜d, as shown in Figure 3.In the present embodiment, can change cam 160 by rotating cam 160 and be used for the side that contacts with the target load bearing seat 120 of making a video recording.With reference to figure 3, when cam 160 is the side of d when coming to contact with shooting target load bearing seat 120 with the radius, make a video recording 120 and photographing module between distance the shortest.And when cam 160 be the side of b or c when coming contact with the radius with shooting target load bearing seat 120, shooting target load bearing seat 120 and length are then inferior as the distance between the module.When cam 160 changes with the radius is the side of a when coming to contact with shooting target load bearing seat 120, and the distance of making a video recording between target load bearing seat 120 and the photographing module is the longest.In Fig. 3, the dotted line that is indicated in cam 160 tops is when representing that respectively different sides with cam 160 supports shooting target load bearing seat, the position at shooting target load bearing seat place.Therefore, distribute as can be seen from the dotted line position of Fig. 3, be used for effectively to change the distance between shooting target load bearing seat and the photographing module, and then reaching the purpose of the depth of field that can transfer the survey photographing module changing cam 160 with when the target load bearing seat of making a video recording contact side.
Be more preferably, the Depth focus adjusting and measuring device of present embodiment can combine with other tool.In according to one embodiment of the invention, above-mentioned supporting seat can be that an image magnification is transferred the element in the measurement fixture with shooting target load bearing seat.
When not adjusting above-mentioned adjusting device, the accent that can use above-mentioned tool to carry out image magnification for a photographing module is surveyed.On the other hand, do not carrying out to carry out the accent survey of field depth for above-mentioned photographing module when image magnification is transferred survey.So, can combine with other tool according to Depth focus adjusting and measuring device of the present invention, to reach the function that expands original tool, with the effect of saving the space.
The above is preferred embodiment of the present invention heavily, is not in order to limit claim of the present invention; All other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in claims scope.
Claims (7)
1. a Depth focus adjusting and measuring device is installed on the camera head, it is characterized in that, comprises:
One supporting seat is the platform for video camera of camera head, is used for placing a photographing module;
One shooting target load bearing seat is used for placing the shooting target;
At least one flexible member is positioned at the outside of this supporting seat, and an end connects and this shooting target load bearing seat, and the other end is connected to the holder on the camera head;
One adjusting device contacts with this target load bearing seat below, wherein adjusts cam that this adjusting device comprises and changes distance between this target load bearing seat and this supporting seat.
2. Depth focus adjusting and measuring device according to claim 1 is characterized in that, wherein this flexible member is a spring.
3. Depth focus adjusting and measuring device according to claim 1 is characterized in that wherein this cam comprises the side of plural groups different radii.
4. Depth focus adjusting and measuring device according to claim 1 is characterized in that, wherein this fixed seating is in the top of this shooting target load bearing seat.
5. Depth focus adjusting and measuring device according to claim 1 is characterized in that, wherein this adjusting device comprises a cam with side of plural groups different radii.
6. Depth focus adjusting and measuring device according to claim 5 is characterized in that wherein this adjusting device more comprises a bearing, and this bearing is in order to support this cam.
7. Depth focus adjusting and measuring device according to claim 5 is characterized in that wherein this adjusting device more comprises a control element, and this control element is in order to change the side that this cam contacts with this shooting target load bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031199550A CN1323546C (en) | 2003-03-10 | 2003-03-10 | Depth focus adjusting and measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031199550A CN1323546C (en) | 2003-03-10 | 2003-03-10 | Depth focus adjusting and measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1531333A CN1531333A (en) | 2004-09-22 |
| CN1323546C true CN1323546C (en) | 2007-06-27 |
Family
ID=34285306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031199550A Expired - Fee Related CN1323546C (en) | 2003-03-10 | 2003-03-10 | Depth focus adjusting and measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1323546C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558079B (en) * | 2016-10-18 | 2019-07-26 | 安徽协创物联网技术有限公司 | A kind of the panorama camera layout and scaling method of raising depth of field measurement accuracy |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282045A (en) * | 1990-04-27 | 1994-01-25 | Hitachi, Ltd. | Depth-of-field control apparatus and image pickup apparatus having the same therein |
| US5923371A (en) * | 1991-03-07 | 1999-07-13 | Canon Kabushiki Kaisha | Automatic focus adjusting apparatus |
| JP2001326834A (en) * | 2000-05-15 | 2001-11-22 | Keisoku Giken Co Ltd | Focus marker for high vision eng camera |
-
2003
- 2003-03-10 CN CNB031199550A patent/CN1323546C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5282045A (en) * | 1990-04-27 | 1994-01-25 | Hitachi, Ltd. | Depth-of-field control apparatus and image pickup apparatus having the same therein |
| US5923371A (en) * | 1991-03-07 | 1999-07-13 | Canon Kabushiki Kaisha | Automatic focus adjusting apparatus |
| JP2001326834A (en) * | 2000-05-15 | 2001-11-22 | Keisoku Giken Co Ltd | Focus marker for high vision eng camera |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1531333A (en) | 2004-09-22 |
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Effective date of registration: 20060310 Address after: 14 floor, No. 168 North Dunhua Road, Taipei, Taiwan Applicant after: Transpacific IP Pte Ltd. Address before: Hsinchu Science Park, Taiwan Applicant before: Lijie Computer Co., Ltd. |
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Owner name: YUXI SCIENCE CO., LTD. Free format text: FORMER OWNER: YUDONG TECHNOLOGY CO., LTD. Effective date: 20090814 |
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Effective date of registration: 20090814 Address after: Delaware Patentee after: Transpacific IP Pte Ltd. Address before: 14 floor, No. 168 North Dunhua Road, Taipei, Taiwan Patentee before: Transpacific IP Pte Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070627 Termination date: 20120310 |