CN204270003U - A kind of from axle camera system and picture pick-up device - Google Patents
A kind of from axle camera system and picture pick-up device Download PDFInfo
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- CN204270003U CN204270003U CN201420779255.8U CN201420779255U CN204270003U CN 204270003 U CN204270003 U CN 204270003U CN 201420779255 U CN201420779255 U CN 201420779255U CN 204270003 U CN204270003 U CN 204270003U
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Abstract
The utility model discloses a kind of from axle camera system and picture pick-up device, describedly comprise from lens shaft and image capture module from axle camera system, the central shaft of described image capture module is placed from axle relative to the described optical axis from lens shaft, describedly comprise from lens shaft the first eyeglass that the direction towards described image capture module sets gradually, second eyeglass and the 3rd eyeglass, the face of described first eyeglass described image capture module is dorsad convex surface, face towards described image capture module is concave surface, described second eyeglass is biconcave lens, described 3rd eyeglass is biconvex lens.Use and have this picture pick-up device from axle camera system, during optical center inclination subtend scenery, the center of image capture module still can be dropped in scenery center, facilitates user to take.
Description
Technical field
The utility model relates to a kind of from axle camera system and picture pick-up device.
Background technology
As shown in Figure 1, at present, photographing module product is commonly coaxial system, image capture module 400 center and camera lens 200 light shaft coaxle, namely, when shooting a certain particular scene 100 is aimed at camera lens 200 center, the image 300 obtained shows as, and above-mentioned particular scene is at image capture module 400 center.Because camera lens 200 during above-mentioned photographing module product shooting will aim at scenery center, cause certain observation obstacle in some occasions.Such as:
(1) when escape way identity validation, overlooker wants first to confirm from front viewing true man, then requires that those who are investigated aim at optical center, finally carries out the work such as shooting record.
(2), when we carry out auto heterodyne face with mobile phone, usually to lift hand and just can photograph positive face, therefore also the action record that arm is raised descended, affected shooting effect.
(3) when child takes to adult, due to height differences, in some field settings, the positive face photographing adult is difficult to.
When above-mentioned sight, usual people optical center inclination subtend scenery, but shooting just with the front scenery at inclination angle.
Utility model content
Fundamental purpose of the present utility model is for the deficiencies in the prior art, provides a kind of from axle camera system and picture pick-up device, convenient user's shooting under above-mentioned sight.
For achieving the above object, the utility model is by the following technical solutions:
A kind of from axle camera system, it is characterized in that, comprise from lens shaft and image capture module, the central shaft of described image capture module is placed from axle relative to the described optical axis from lens shaft, describedly comprise from lens shaft the first eyeglass, the second eyeglass and the 3rd eyeglass that the direction towards described image capture module sets gradually, the face of described first eyeglass described image capture module is dorsad convex surface, face towards described image capture module is concave surface, described second eyeglass is biconcave lens, and described 3rd eyeglass is biconvex lens.
Preferably, the focal length ratio of described first eyeglass, described second eyeglass and described 3rd eyeglass is: (2 ± 0.3): (1 ± 0.3): (2.4 ± 0.3).
A kind of picture pick-up device, comprises described from axle camera system.
Described picture pick-up device can be mobile phone, panel computer, digital camera or safety check face camera head.
The beneficial effects of the utility model:
Use of the present utility model from axle camera system, do not need alignment lens scenery center, during optical center inclination subtend scenery, the center of image capture module still can be dropped in scenery center, can provide great convenience in many occasions for user's shooting.Such as, when escape way identity validation, overlooker can front viewing true man carry out confirming while carry out positive face shooting record grade work.In addition, when user autodynes or child takes to adult, also better shooting effect can be reached.
Accompanying drawing explanation
Fig. 1 is the light path schematic diagram of traditional photographing module;
Fig. 2 be a kind of embodiment of the utility model from axle camera system light path schematic diagram;
Fig. 3 be the another kind of embodiment of the utility model from axle camera system light path schematic diagram;
Fig. 4 be a kind of embodiment of the utility model from lens shaft structural representation.
Embodiment
Below embodiment of the present utility model is elaborated.It is emphasized that following explanation is only exemplary, instead of in order to limit scope of the present utility model and application thereof.
Consult Fig. 2 to Fig. 4, according to embodiment of the present utility model, a kind of from axle camera system, comprise from lens shaft 201 and image capture module 400 (as image sensor chip), the central shaft 1 of image capture module 400 is placed from axle relative to the optical axis 2 from lens shaft 201, the first eyeglass 203 that the direction towards image capture module 400 sets gradually is comprised from lens shaft 201, second eyeglass 205 and the 3rd eyeglass 207, the face of the image capture module dorsad 400 of the first eyeglass 203 is convex mirrors, face towards image capture module 400 is concave mirror, second eyeglass 205 is biconcave lens, 3rd eyeglass 207 is biconvex lens.In a preferred embodiment, the focal length allocation proportion of three eyeglasses is: (2 ± 0.3): (1 ± 0.3): (2.4 ± 0.3), can obtain better imaging effect.Place from the image capture module 400 in axle camera system from axle, i.e. the central shaft 1 of image capture module 400 and optical axis 2 disalignment from lens shaft 201, X to and/or Y-direction have relative translation distance.Use above-described embodiment from axle camera system, it does not need to aim at scenery 100 center from lens shaft 201, and (namely the optical axis of optical center has relative vertical range with scenery 100 center, not by scenery 100 center), but the center of image capture module 400 still can be dropped in the center of scenery 100.As shown in Figures 2 and 3, the angle (being also off-axis angle) of the center of scenery 100 and the optical axis 2 of camera lens is A.
In various embodiments, can be used on the various picture pick-up devices such as mobile phone, panel computer, digital camera or safety check face camera head from axle camera system.Such as, utilizing should from axle camera system, and when escape way identity validation, overlooker can watch in front while true man carry out confirming and carry out the work such as positive face shooting record by safety check camera, facilitate user and overlooker, improve the efficiency of identity validation.In addition, when user autodynes with mobile phone or child takes to adult, also can take more easily, and reach better shooting effect.
The utility model is not limited to single-lens mode, also can twoly take from lens shaft simultaneously, can obtain the scene image of different angles, realizes from axle 3D shooting effect.
Above content combines concrete/preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; its embodiment that can also describe these makes some substituting or modification, and these substitute or variant all should be considered as belonging to protection domain of the present utility model.
Claims (4)
1. one kind from axle camera system, it is characterized in that, comprise from lens shaft and image capture module, the central shaft of described image capture module is placed from axle relative to the described optical axis from lens shaft, describedly comprise from lens shaft the first eyeglass, the second eyeglass and the 3rd eyeglass that the direction towards described image capture module sets gradually, the face of described first eyeglass described image capture module is dorsad convex surface, face towards described image capture module is concave surface, described second eyeglass is biconcave lens, and described 3rd eyeglass is biconvex lens.
2. it is characterized in that from axle camera system as claimed in claim 1, the focal length ratio of described first eyeglass, described second eyeglass and described 3rd eyeglass is: (2 ± 0.3): (1 ± 0.3): (2.4 ± 0.3).
3. a picture pick-up device, is characterized in that, comprise described in claim 1 or 2 from axle camera system.
4. picture pick-up device as claimed in claim 3, it is characterized in that, described picture pick-up device is mobile phone, panel computer, digital camera or safety check face camera head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779255.8U CN204270003U (en) | 2014-12-10 | 2014-12-10 | A kind of from axle camera system and picture pick-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420779255.8U CN204270003U (en) | 2014-12-10 | 2014-12-10 | A kind of from axle camera system and picture pick-up device |
Publications (1)
| Publication Number | Publication Date |
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| CN204270003U true CN204270003U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420779255.8U Active CN204270003U (en) | 2014-12-10 | 2014-12-10 | A kind of from axle camera system and picture pick-up device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676569A (en) * | 2016-04-12 | 2016-06-15 | 公安部第一研究所 | Shooting system based on off-axis optical path technology and method of shooting system |
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2014
- 2014-12-10 CN CN201420779255.8U patent/CN204270003U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676569A (en) * | 2016-04-12 | 2016-06-15 | 公安部第一研究所 | Shooting system based on off-axis optical path technology and method of shooting system |
| CN105676569B (en) * | 2016-04-12 | 2018-11-02 | 公安部第一研究所 | A kind of camera system and its method based on off-axis light path technology |
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