CN106664390A - Apparatus for coupling optical filter changer for camera - Google Patents
Apparatus for coupling optical filter changer for camera Download PDFInfo
- Publication number
- CN106664390A CN106664390A CN201580017226.5A CN201580017226A CN106664390A CN 106664390 A CN106664390 A CN 106664390A CN 201580017226 A CN201580017226 A CN 201580017226A CN 106664390 A CN106664390 A CN 106664390A
- Authority
- CN
- China
- Prior art keywords
- camera
- filter changer
- camera lens
- fastening
- filter
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
- G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/565—Optical accessories, e.g. converters for close-up photography, tele-convertors, wide-angle convertors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Blocking Light For Cameras (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
Provided is an apparatus for coupling an optical filter changer for a camera, which: allows the optical filter changer to be mounted without structural constraints when it is difficult to mount the optical filter changer between the camera and a lens due to the structural constraints in the place where the camera is installed; and simultaneously solves focusing deviation due to the adoption of the optical filter changer by utilizing a focusing compensation lens mounted in the optical filter changer and performs filtering.
Description
Technical field
The present invention relates to a kind of filter (OPTICAL FILTER) changer, the filter changer is included with reference to existing
CCD camera camera lens (hereinafter referred to as " camera lens ") and various security personnel are between CCD camera body (hereinafter referred to as " camera "), and handle
The multiple optical filters (filter, filter lens) filtered in the incident light of camera imaging apparatus by lens focus, more in detail
Carefully say, the present invention relates to a kind of camera and filter changer coupling apparatus, it is attached to filter changer with screw thread
When camera and camera lens if having barrier around camera installation site and its can not by barrier interferingly by filter more
Parallel operation is screw-coupled to camera lens, and the incident light for filtering can also with errors not focused on imaging apparatus.
Background technology
In general, fast camera is not only, even theft or various security personnel and information CCD camera are also designed
Into can change camera lens according to its application target and purposes, filter is then designed to for filtering the optical filter of incident light
Changed.Other specific purposes optical filters can separately be made according to the purposes of producer.
In order to solve the problem, the patent application that the present inventor proposes the 10-2011-0092263rd and patent application the
No. 10-2012-0147212 describes in detail filter changer, and the filter changer has installed in aforementioned camera and mirror
The various optical filters (filter) of incident light are filtered between head.
According to above-mentioned earlier patent application, filter changer can select and change to meet security camera and use in long distance
The filter of purpose simultaneously possesses various filters and is able to extend the use range of filter changer, and then reduces production cost, also
Can obtain meeting camera application target figure or image information.
Present invention and patent application the 10-2012-0147212nd is relevant, possesses many according to aforementioned prior inventions application
The filter changer of individual (multi) optical filter is attached at CDD phases machine face and can focus on for filtering in long distance handle
The optical filter (filter) of the incident light of camera imaging apparatus is changed.
Although aforementioned prior inventions application can be in long distance the various steel masts beside electric pole or road
Or the optical filter of attached filter changer is changed on the security camera of skin, but it is incorporated in filter
The camera of changer but can cause incident light exactly to focus on shooting with camera lens because of the thickness of filter changer
Element.
Camera lens and camera would generally Exact Design go out the spacing (pitch) in screw threads for fastening portion to fully achieve
Incident light is allowed accurately to focus on the imaging apparatus of camera in the state of screw threads for fastening.
However, be provided with inside filter changer and being configured with the filter wheel of multiple optical filters (filter), filtering for driving
The drive motor and component of wheel, thus using changer during filter changer width can cause enter imaging apparatus
There is error in the focusing of incident light, and filter changer is combined in camera by the geometry of camera installation site
Filter changer cannot be entirely incorporated on camera with screw thread with the impact of barrier.
Therefore, filter changer is combined focusing, the structure limit of camera installation site that incident light is overcome in camera
The caused various restrictions of system institute could allow the focusing of incident light and imaging apparatus to match exactly.
The content of the invention
Technical task
It is an object of the invention to provide a kind of camera filter changer coupling apparatus, the present invention is the combination of filter changer
To the installation restrictive condition that camera installation site can be overcome to have during camera, and to realize the side of accurate screw threads for fastening
Formula is connected to camera filter changer, and can avoid entering caused by filter changer when using filter changer
Camera is combined in filter changer with camera lens with penetrating light focusing error.
Technical scheme
Realize that camera of the present invention is as follows with the means of filter changer coupling apparatus.
Filter changer coupling apparatus between camera lens and camera are combined in screw threads for fastening mode, it is characterised in that
Respectively self-assembled to the camera lens fastening part of screw threads for fastening camera lens and camera and camera fastening part and be formed at filter changer
Front/back holes,
Pacify at fastening part rear to allow camera lens fastening part and axis direction of the camera fastening part in hole to retreat and return to original position
Dress gasket member, camera lens makes camera lens fastening part tight with camera when being in excessively fastening (excessively rotation) state with the screw threads for fastening of camera
Gu portion dallies, incident light focusing error is carried out caused by camera lens fastening part and/or camera fastening part are provided with to filter changer
The focus-compensating camera lens of compensation.
Beneficial effect
When the present invention is connected to the front/back of filter changer in screw threads for fastening mode camera lens and camera, with spiral shell
Line combines camera lens and can retreat in its axis direction by pressure with the fastening seat of camera, eliminates and is allowed tightly by restoring force after pressure
Gu seat is fixed on fixed plate to crimp mode, after filter and the perfect screw threads for fastening of camera, during rotary filter, fastening can be allowed
Seat idle running will not add to form screw threads for fastening.
So in filter changer combining camera, the direction of the restriction in setting camera place can be avoided, arranging
It is screwed with camera during filter changer.
And, the present invention is provided with fastening seat can compensate the poly- of incident light focusing error correspondence filter changer thickness
Jiao's compensation camera lens, and the error produced because of the focusing error of incident light is overcome, filter changer is combined in camera.
Description of the drawings
Fig. 1 is the stereogram exemplified with filter changer of the invention.
Fig. 2 is the use state figure of the use example exemplified with filter changer of the invention.
Fig. 3 a and Fig. 3 b are the top views and right side view of filter changer shown in Fig. 1.
Fig. 4 a and Fig. 4 b are perspective insides when the front housing of filter changer of the invention is in open state
Structure and the front perspective view for illustrating.
Fig. 5 is in plane perspective filter changer of the invention and the partial cross-sectional top view of illustration.
Fig. 6 is the amplification view of the fastening seat exemplified with the present invention.
The most preferred embodiment of invention
When the filter changer of the present invention is combined, camera lens and camera are used after the perfect combination of screw thread, bonding position
When filter continues to produce rotation, filter changer can produce idle running to realize this problem.
Specific embodiment
Describe the preferred embodiment of camera of the present invention and filter changer coupling apparatus in detail below in conjunction with the accompanying drawings.
Fig. 1 to Fig. 3 b are referred to, Fig. 1 is the stereogram exemplified with filter changer of the invention, and Fig. 2 is to illustrate
The use state figure of the use example of filter changer of the invention, Fig. 3 a and Fig. 3 b are that filter shown in Fig. 1 is changed
The top view and right side view of device.
In figure, pictorial symbolization 100 is filter changer, and pictorial symbolization 110 and 120 is camera lens joint portion and camera knot
Conjunction portion.
As shown in Fig. 2 to Fig. 3 b, camera lens 200 can be combined and separated in the way of being screwed on camera lens joint portion 110,
Camera 300 then can be combined and separated in the way of being screwed on camera joint portion 120.Camera lens 200 is provided with camera lens bayonet socket
201, the camera lens bayonet socket 201 then possesses the pin thread (not indicating pictorial symbolization) with screw threads for fastening in camera lens joint portion 110, phase
Machine 300 is then combined with camera bayonet socket 301, and the camera bayonet socket 301 possesses to be threadably fastened to the negative thread of camera joint portion 120
(not indicating pictorial symbolization).
With screw threads for fastening in above-mentioned two bayonet socket 201,301 and camera lens and the negative thread pin thread of camera joint portion 110,120
In accordance with international standard size.
Pictorial symbolization 100a in Fig. 1 to Fig. 3 b and 100b is the front/back housing of filter changer 100, just
The built-in camera lens joint portion 110 in face/back housing 100a, 100b inside and the concrete inscape of camera joint portion 120 and many
Individual filter.The pictorial symbolization C of Fig. 4 a is the connector for allowing power supply to be accessed with communication cable with long distance control.
Fig. 4 a and Fig. 4 b are referred to, Fig. 4 a and Fig. 4 b are the front housings of the filter changer 100 of the open present invention
In the perspective view of front perspective internal structure after 100a, the filter wheel that multiple optical filters (FT) combine according to certain angle distribution
101 are rotatably engaged being fixed on the axle (S) of back shell 100b, due to be connected to and the gear of filter wheel 101 nibble
Merge change-speed gearing (not indicating pictorial symbolization) and the drive motor (M) of drive gear 102 of transmission power and rotated.
Above-mentioned optical filter (FT) is when drive motor (M) drives positioned at the axis of camera lens Yu camera joint portion, priority patent
Application is illustrated to it, and the purport of the present invention may be obscured during due to illustrating to it, therefore this specification will
Description is omitted.
It is the fragmentary top illustrated in plane perspective filter changer of the invention to refer to Fig. 5 and Fig. 6, Fig. 5
Depending on sectional view, Fig. 6 is the amplification view of the camera lens exemplified with the present invention and camera fastening part.
As shown in figs. 5 and 6, camera lens fastening part 110 and camera fastening part 120 combine and are being symmetrical in front/back housing
100a, 100b surface is simultaneously configured at holes 101a, 101b of coaxial line.
Camera lens fastening part 110 is assembled in successively with the concrete inscape of camera fastening part 120 by holes 101a, 101b
Front/back housing 100a, 100b.
Camera and camera lens fastening part 110,120 include：Air ring collar member 116, with reference in hole 101a, 101b periphery；Fastening
Seat 113, overlappingly with reference in air ring collar member 116, comprising annular flange flange 113a, annular flange flange 113a and ring washer
Another side surface in the face of the contact of part 116 has the groove 113b configured according to a determining deviation with circumferencial direction；Ring-type fixing plate
111, with projection 111a engaged with above-mentioned groove 113b, two housings 100a, 100b are fixed on simultaneously by bolt B fastening means
And with the internal diameter of the above-mentioned external diameter of fastening seat 113 can be housed.
Above-mentioned camera lens fastening part 110 is similar to the concrete inscape of camera fastening part 120, on the basis of filter wheel 101
Symmetrically combine standby in holes 101a, 101b of front/back housing 100a, 100b, therefore will not illustrate below
The structure of the camera lens fastening part 110 in two fastening parts 110,120.As reference, the concrete structure of two fastening parts 110,120 in figure
Indicated using same pictorial symbolization into the same key element in key element.
However, it is possible to correspondingly be changed according to the diameter of standby hole 101a, 101b in front/back housing 100a, 100b
The external diameter of the concrete inscape of two fastening parts 110,120, and as shown in fig. 6, be formed at camera lens fastens seat 113 with camera
Negative thread 115b or pin thread 115a can change MF.
Focus-compensating camera lens 114 can be combined in two fastening seats 113, the focus-compensating camera lens 114 is in filter changer
100 allow incident light accurately to focus on imaging apparatus when being attached between camera 300 and camera lens 200.Fig. 4 b to Fig. 6 then illustrates poly-
Jiao's compensation camera lens 114 is only in conjunction with the situation in the fastening seat for being assembled in front housing 100a.
And as shown in fig. 6, aforementioned apertures 101a, 101b its circumferential surface be provided with can dispose or house ring-type fixing plate 11,
Fastening seat 113, the cannelure (not indicating pictorial symbolization) of air ring collar member 116.
Camera of the present invention and the filter changer coupling apparatus 100 for constituting as previously mentioned are illustrated below in conjunction with the accompanying drawings
Use example.
Camera fastening part 120 to be threadably fastened to camera fastening seat 301, just as shown in Fig. 2 can be filter changer
100 are attached to camera 300.
Now, even if some in camera 300 or filter changer 100 is excessively rotated toward fastening direction, fastening
Seat 113 allows projection 111a in groove 113b surface counter-rotatings.Now, click can be sent when projection 111a crosses groove 113b
Sound.
In the axis direction of two fastening parts 110,120 when camera lens 200 and camera 300 are attached to filter changer 100
If applying pressure, air ring collar member 116 is caused fastening seat 113 to retreat by compression, therefore allows groove 113b and projection 111a
Between widen and enable to fasten seat 113 and realize spinning movement more easily, eliminate after pressure air ring collar member 116 by this
In body restoring force cause to fasten seat 113 and crimp towards ring-type fixing plate 111 and fixed.
Preferably, above-mentioned projection 111a according to 90 degree distribution 4 or according to 120 degree be distributed 3 after contact annular flange flange.
Therefore, even if the structure of the installation site of camera 300 limits installation when filter changer 100 is fastened to camera
Angle, it is also possible to combine with camera after filter changer 100 is rotated.Camera lens 200 can be attached to using said method
The front of filter changer 100.
As it was previously stated, air ring collar member 116 is compressed due to being applied to the pressure of the fastening axis direction of seat 113, eliminate
By the restoring force of air ring collar member 116 fastening seat 113 is pressurizeed and fixed towards fixed plate side after pressure, therefore with screw threads for fastening
Can firmly with screw threads for fastening with filter changer 100 in the camera 300 of fastening seat 113.
Even as it was previously stated, camera fixed-site of the invention has structure limiting with being also avoided that the restriction optical filtering
Device changer 100 is attached to camera 300 and can also be separated, even if the space of camera installation site is lopsided or exists non-
Specific obstacle also can without let or hindrance filter changer 100 firmly with screw threads for fastening in camera, moreover it is possible to using focus on
Compensation camera lens to reference to during filter changer because filter changer thickness institute caused by incident light focusing error scope carry out
Compensation.
Commercial Application may
Present invention could apply to arrange security personnel's CCD camera filter or camera lens filter.
Claims (3)
1. a kind of camera filter changer coupling apparatus, its in order to be filtered through the light of camera lens and to be screwed in phase
Between machine and camera lens, it is characterised in that
Camera lens fastening part (110) and camera fastening part (120) are combined standby in the front/back housing of filter changer
The hole (101a, 101b) of (100a, 100b),
Above-mentioned camera lens fastening part (110) and camera fastening part (120) include：
Air ring collar member (116), with reference in hole (101a, 101b) periphery；
Fastening seat (113), possess default internal diameter, comprising annular flange flange (113a), the annular flange flange (113a) and air ring
Another side surface in the face of collar member (116) contact has the groove (113b) configured according to a determining deviation with circumferencial direction, with spiral shell
Line combines camera lens and camera；
Ring-type fixing plate (111), with the projection (111a) contacted with above-mentioned groove (113b), can house above-mentioned fastening seat
(113) internal diameter of external diameter, by bolt (B) fastening means two housings (100a, 100b) are fixed on.
2. camera according to claim 1 filter changer coupling apparatus, it is characterised in that
Focus-compensating camera lens (114) is had also combined on the axis of above-mentioned fastening seat (113).
3. camera according to claim 1 filter changer coupling apparatus, it is characterised in that
Above-mentioned projection (111a) is with 90 degree or 120 degree distributions.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140037738A KR101422627B1 (en) | 2014-03-31 | 2014-03-31 | Optical filter changer for charge-coupled device camera |
| KR10-2014-0037738 | 2014-03-31 | ||
| PCT/KR2015/003090 WO2015152579A1 (en) | 2014-03-31 | 2015-03-30 | Apparatus for coupling optical filter changer for camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106664390A true CN106664390A (en) | 2017-05-10 |
Family
ID=51742884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580017226.5A Withdrawn CN106664390A (en) | 2014-03-31 | 2015-03-30 | Apparatus for coupling optical filter changer for camera |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101422627B1 (en) |
| CN (1) | CN106664390A (en) |
| WO (1) | WO2015152579A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095920A (en) * | 2018-01-30 | 2019-08-06 | 佳能株式会社 | Lens changeable and camera system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596504B (en) * | 2020-05-22 | 2021-11-16 | 季华实验室 | Multispectral LED light source formation of image is with refraction light collection system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200386314Y1 (en) * | 2005-03-18 | 2005-06-10 | 윤사빈 | A video camera changing system of an unmanned observer |
| CN1731268A (en) * | 2004-08-06 | 2006-02-08 | 三星Techwin株式会社 | Automatic focusing method and digital photographing apparatus using the same |
| CN1743939A (en) * | 2004-09-01 | 2006-03-08 | 三星电机株式会社 | Auto-focusing optical system for camera module |
| CN1782848A (en) * | 2004-12-01 | 2006-06-07 | 宾得株式会社 | Imaging device having an optical image stabilizer |
| CN102346358A (en) * | 2010-07-29 | 2012-02-08 | 罗技欧洲公司 | Optimized movable ir filter in cameras |
| KR20120001083U (en) * | 2010-08-06 | 2012-02-15 | 김인균 | Filter change assembly for closed circuit television camera |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100368000B1 (en) * | 1999-03-24 | 2003-01-14 | 조성환 | Ring Light Guide Device for Camera |
| JP2008152032A (en) * | 2006-12-18 | 2008-07-03 | Smk Corp | Camera module |
| KR20080085444A (en) * | 2007-03-20 | 2008-09-24 | 엘지이노텍 주식회사 | Camera module |
| KR101581718B1 (en) * | 2011-09-09 | 2016-01-11 | (주)유투에스알 | Optic filter changer for camera |
-
2014
- 2014-03-31 KR KR1020140037738A patent/KR101422627B1/en active IP Right Grant
-
2015
- 2015-03-30 WO PCT/KR2015/003090 patent/WO2015152579A1/en active Application Filing
- 2015-03-30 CN CN201580017226.5A patent/CN106664390A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1731268A (en) * | 2004-08-06 | 2006-02-08 | 三星Techwin株式会社 | Automatic focusing method and digital photographing apparatus using the same |
| CN100541311C (en) * | 2004-08-06 | 2009-09-16 | 三星Techwin株式会社 | The digital photographing apparatus of automatic focusing method and the automatic focusing method of use |
| CN1743939A (en) * | 2004-09-01 | 2006-03-08 | 三星电机株式会社 | Auto-focusing optical system for camera module |
| CN1782848A (en) * | 2004-12-01 | 2006-06-07 | 宾得株式会社 | Imaging device having an optical image stabilizer |
| KR200386314Y1 (en) * | 2005-03-18 | 2005-06-10 | 윤사빈 | A video camera changing system of an unmanned observer |
| CN102346358A (en) * | 2010-07-29 | 2012-02-08 | 罗技欧洲公司 | Optimized movable ir filter in cameras |
| KR20120001083U (en) * | 2010-08-06 | 2012-02-15 | 김인균 | Filter change assembly for closed circuit television camera |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095920A (en) * | 2018-01-30 | 2019-08-06 | 佳能株式会社 | Lens changeable and camera system |
| US10948687B2 (en) | 2018-01-30 | 2021-03-16 | Canon Kabushiki Kaisha | Interchangeable lens and camera system |
| CN110095920B (en) * | 2018-01-30 | 2021-09-07 | 佳能株式会社 | Interchangeable lens and camera system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101422627B1 (en) | 2014-07-23 |
| WO2015152579A1 (en) | 2015-10-08 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170510 |
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| WW01 | Invention patent application withdrawn after publication |