CN103217797A - Optical switching module and projection optical system thereof - Google Patents
Optical switching module and projection optical system thereof Download PDFInfo
- Publication number
- CN103217797A CN103217797A CN2012100180132A CN201210018013A CN103217797A CN 103217797 A CN103217797 A CN 103217797A CN 2012100180132 A CN2012100180132 A CN 2012100180132A CN 201210018013 A CN201210018013 A CN 201210018013A CN 103217797 A CN103217797 A CN 103217797A
- Authority
- CN
- China
- Prior art keywords
- rotary seat
- pedestal
- dichronic mirror
- force application
- application element
- 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.)
- Pending
Links
Images
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
Disclosed are an optical switching module and a projection optical system thereof. The optical switching module comprises a base, a rotary seat, a color selective mirror assembly, a force application element and a movable piece. The base is provided with at least one fixing pillar. The rotary seat is connected to the base in a pivoted mode and is provided with a stopping part and a fixing part. The color selective mirror assembly is arranged on the base and is in linkage with the rotary seat. Two ends of the force application element are respectively connected with the fixing pillar of the base and the fixing part of the rotary seat. The movable piece is arranged on the base, the movable piece makes contact with the stopping part along a first moving direction, and so that the rotary seat rotates along a first rotation direction. The fixing part of the rotary seat is connected with the force application element, the force application element moves along a second moving direction, and the first moving direction is opposite to the second moving direction.
Description
[technical field]
The invention relates to a kind of converging module, particularly about a kind of converging module of adjustable angle and use the projection optical system of this kind converging module.
[background technology]
As shown in Figure 5, in an existing converging module 100, the ruddiness IR that light emitting diode 102a, 102b, 102c send respectively, green glow IG and blue light IB enter projection lens 106 after closing light via X prism (X plate) 104.Projection lens 106 receives by X prism 104 unidirectional different color light light beam of guiding and projection imagings.Yet because factors such as the manufacturing tolerance of the tolerance of light-emitting component itself, optical element and the assembling back cumulative limits that causes, the facula position that causes different light-emitting components to project on a dichronic mirror produces difference.Therefore, need utilize an adjusting mechanism to adjust the angle of putting of dichronic mirror, improve the projection imaging quality with the deviation of light that goes out of revising light-emitting component.
The TaiWan, China patent announcement discloses a kind of optical element location structure No. 523118, and wherein dichronic mirror and prism utilize back up pad and locating piece to fix, and the eyeglass alignment error can be by the framework adjustment.The TaiWan, China patent announcement discloses a kind of lamp source module M339702 number, promotes anchor clamps and adjusts displacement by flexible member control by screw, can obtain to adjust the effect of lamp source position.Chinese patent discloses No. 101770078 and discloses a kind of converging module of projector, comprise substrate, first optical filter and second optical filter, substrate has a plurality of connected structures, one end of first optical filter inserts an inboard of connected structure, and an end of second optical filter inserts another inboard of connected structure to obtain locating effect.
[summary of the invention]
The invention provides a kind of simple structure and can effectively revise the converging module that light-emitting component goes out deviation of light, and use the projection optical system of this kind converging module.
Other purposes of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.For reaching one of above-mentioned or partly or all purposes or other purposes, one embodiment of the invention provide a kind of converging module, comprise a pedestal, a rotary seat, a dichronic mirror assembly, a force application element and a movable part.Pedestal has at least one fixed leg, and rotary seat is pivoted to pedestal and rotary seat has a stop section and a fixed part.The dichronic mirror assembly comprises an eyeglass seat and is placed at least one dichronic mirror of eyeglass seat, the dichronic mirror assembly be arranged at pedestal and with the rotary seat interlock.The force application element both ends connect the fixed leg of pedestal and the fixed part of rotary seat respectively, and movable part is arranged at pedestal, movable part contacts with the stop section along one first moving direction, rotary seat is rotated along one first rotation direction, and the fixed part of rotary seat connects force application element, force application element moves along one second moving direction, and wherein first moving direction is opposite with second moving direction.
Among one embodiment, movable part promotes the stop section along first moving direction, and the fixed part of rotary seat rotates along first rotation direction, in order to the stretched force-applying element, makes force application element produce an elastic force along first moving direction, continues to contact with the stop section to keep movable part.
Among one embodiment, force application element is that a spring and movable part comprise a screw, by the feeding of screw to promote the stop section.
Among one embodiment, form a holder on the pedestal, and movable part is arranged on the pedestal by holder.
Among one embodiment, rotary seat has a pivoted hole and pedestal has an articulated section, and a location screw wears pivoted hole and articulated section, so that rotary seat is pivoted to pedestal.
Among one embodiment, rotary seat has at least one reference column and the eyeglass seat has at least one pilot hole, and reference column is inserted pilot hole, so that dichronic mirror assembly and rotary seat interlock.
Among one embodiment, converging module also comprises a housing and at least one light-emitting component, and housing has plural sidewall defining a space of ccontaining dichronic mirror assembly, and light-emitting component is fixed in a sidewall.
Among one embodiment, the dichronic mirror assembly is an X prism.
Another embodiment of the present invention provides a kind of projection optical system, comprises a converging module, an image-forming module and a projection lens group.Converging module comprises plural light-emitting component, a pedestal, a rotary seat, a dichronic mirror assembly, a force application element and a movable part.Light-emitting component is in order to send the plural coloured light with different colours, and pedestal has at least one fixed leg, and rotary seat is pivoted to pedestal and rotary seat has a stop section and a fixed part.The dichronic mirror assembly guides to same direction with different color light and comprises an eyeglass seat and be placed at least one dichronic mirror of eyeglass seat, the dichronic mirror assembly be arranged at pedestal and with the rotary seat interlock.The force application element both ends connect the fixed leg of pedestal and the fixed part of rotary seat respectively, and movable part is arranged at pedestal.Movable part contacts with the stop section along one first moving direction, rotary seat is rotated along one first rotation direction, and this fixed part connection force application element of rotary seat, force application element moves along one second moving direction, and wherein first moving direction is opposite with this second moving direction.
Image-forming module is in order to becoming an image strip with the plural coloured light modulation after the dichronic mirror assembly closes light, and projection lens group of received and throw image strip.
In sum, embodiments of the invention have following one of them advantage at least:
Design by the foregoing description, only need allow movable part along a moving direction feeding or withdraw from, can reach the effect of the preferable light inlet angle of putting angle and relative light source of fine setting dichronic mirror, go into deviation of light but so the factors such as cumulative limit that produced of the tolerance that produced of modifying factor manufacturing or assembling back cause, obtain optimized projection imaging quality.Therefore, the structure of the dichronic mirror adjusting mechanism of above-mentioned each embodiment is quite simple and can reduce manufacturing cost, and the operation when adjusting is quite simple and easy.
Other purposes of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, embodiment cited below particularly also cooperates appended graphicly, is described in detail below.
[description of drawings]
Fig. 1 is the component decomposition map of the converging module of one embodiment of the invention.
Fig. 2 is the synoptic diagram of the converging module of one embodiment of the invention.
Fig. 3 adjusts the synoptic diagram of mode for the rotary seat of explanation one embodiment of the invention.
Fig. 4 is the synoptic diagram according to the projection optical system of one embodiment of the invention.
Fig. 5 is the synoptic diagram of an existing converging module.
10 converging modules
12 pedestals
The 12a fixed leg
The 12b articulated section
The 12c holder
14 rotary seats
The 14a fixed part
The 14b stop section
The 14c reference column
The 14d pivoted hole
16 dichronic mirror assemblies
161 pilot holes
16a eyeglass seat
The 16b dichronic mirror
18 force application elements
22 movable parts
24 set screws
26 housings
The 26a housing sidewall
28 light-emitting components
30 projection optical systems
32 image-forming modules
34 projection lens groups
100 converging modules
102a, 102b, 102c light emitting diode
104 X prisms
106 projection lens
IR ruddiness
The IG green glow
The IB blue light
L1, L2 moving direction
P, Q rotation direction
[embodiment]
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to graphic embodiment, can clearly present.The direction term of being mentioned in following examples, for example: upper and lower, left and right, front or rear etc. only are the directions with reference to annexed drawings.Therefore, the direction term of use is to be used for illustrating not to be to be used for limiting the present invention.
Please also refer to Fig. 1 and Fig. 2, according to the design of one embodiment of the invention, a kind of converging module 10 comprises a pedestal 12, a rotary seat 14, a dichronic mirror assembly 16, a force application element 18 and a movable part 22.Pedestal 12 has an at least one fixed leg 12a and an articulated section 12b, and rotary seat 14 has a fixed part 14a and a stop section 14b.Dichronic mirror assembly 16 comprises an eyeglass seat 16a and is placed at least one dichronic mirror (dichroic mirror) 16b of eyeglass seat 16a, and dichronic mirror assembly 16 in order to rotary seat 14 interlocks.In present embodiment, dichronic mirror assembly 16 for example can be for by the mutual dichronic mirror 16b arranged in a crossed manner of two beam split level crossings, rotary seat 14 can have at least one reference column 14c and eyeglass seat 16a has at least one pilot hole 161, can make dichronic mirror assembly 16 and rotary seat 14 interlocks by reference column 14c being inserted pilot hole 161.Rotary seat 14 for example can be inserted the pivoted hole 14d of rotary seat 14 and the articulated section 12b of pedestal 12 with a location screw 24, so that rotary seat 14 is pivoted to pedestal 12 via the articulated section 12b that a pivoted hole 14d own is pivoted to pedestal 12.The two ends of force application element 18 connect the fixed leg 12a of pedestal 12 and the fixed part 14a of rotary seat 14 respectively.In present embodiment, rotary seat 14 and dichronic mirror assembly 16 are arranged at the not homonymy of pedestal 12, but it does not only limit for illustration.Moreover, converging module 10 can comprise a housing 26 in addition, housing 26 has plural sidewall 26a defining a space of ccontaining dichronic mirror assembly 16, and at least one light-emitting component 28 and be fixed in sidewall 26a (be illustrated as three light-emitting components 28 on the figure and attach a sidewall 26a respectively).Movable part 22 can be arranged on the pedestal 12 by a holder 12c who is formed on the pedestal 12.Force application element 18 only must provide the effect of elastic restoring force to get final product, and for example can be a spring.
As shown in Figure 3, the movable part 22 that is arranged on the pedestal 12 for example can be a rotary screw, when movable part 22 feedings, can on the L1 moving direction, produce rectilinear motion, therefore, movable part 22 can promote the stop section 14b of rotary seat 14 along the L1 moving direction, making rotary seat 14 is that rotate along a rotation direction P (for example illustrated clockwise direction) at the center with articulated section 12b, and stretched force-applying element 18 is connected and fixed the both ends of post 12a and fixed part 14a respectively simultaneously, fixed part 14a in rotational direction P direction rotates with stretched force-applying element 18, force application element 18 is produced can make rotary seat 14 counter-rotational pulling force.Therefore, when movable part 22 withdraws from (this moment movable part along the second moving direction L2 move, force application element 18 is along the first moving direction L1 resilience), by the pulling force of force application element 18 rotary seat 14 is rotated along opposite rotation direction Q (for example illustrated counter clockwise direction).Because dichronic mirror assembly 16 is designed to and rotary seat 14 interlocks, that is rotary seat 14 is when clockwise rotating, dichronic mirror assembly 16 clockwise rotates thereupon, when rotary seat 14 rotates counterclockwise, dichronic mirror assembly 16 rotates counterclockwise thereupon, so by movable part 22 along the feeding of L1, L2 moving direction or withdraw from, promptly rotatable dichronic mirror assembly 16 with reach fine setting dichronic mirror 16b put angle and with respect to the effect of the preferable light inlet angle of light source.
In addition, movable part 22 only needs the stop section 14b that can obtain promotion rotary seat 14 that the effect of dichronic mirror assembly 16 rotations is got final product, and its kind does not limit.Movable part 22 is above-mentioned rotary screw for example, utilizes the screw characteristic to select the screw of different size for use, can obtain to control the effect of adjusting precision.Perhaps, movable part 22 for example also can be a gear set.
In sum, the converging module of embodiments of the invention has following one of them advantage at least:
Design by the foregoing description, only need allow movable part 22 withdraw from along the feeding of L1 moving direction or along the L2 moving direction, can obtain to finely tune dichronic mirror 16b put angle and with respect to the effect of the preferable light inlet angle of light source, go into deviation of light but so modifying factor manufacturing tolerance or factors such as cumulative limit that assembling caused cause, obtain optimized projection imaging quality.Therefore, the structure of the dichronic mirror adjusting mechanism of above-mentioned each embodiment is quite simple and can reduce manufacturing cost, and the operation when adjusting is quite simple and easy.
Fig. 4 is the synoptic diagram of the projection optical system of one embodiment of the invention.As shown in Figure 4, projection optical system 30 comprises a converging module 10, an image-forming module 32 and a projection lens group 34, converging module 10 comprises the dichronic mirror adjusting mechanism of the plural light-emitting component 28, dichronic mirror assembly 16 and aforementioned each embodiment that are arranged at diverse location, plural number light-emitting component 28 is in order to send the plural coloured light with different colours, dichronic mirror assembly 16 guides to same direction with different color light, image-forming module 32 will be in order to will becoming an image strip through the light beam modulation after dichronic mirror assembly 16 closes light, and projection lens group 34 receives and project image strip.
The above, it only is preferred embodiment of the present invention, when not limiting scope of the invention process with this, promptly the simple equivalent of being done according to claim of the present invention and invention description content generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.Arbitrary embodiment of the present invention in addition or claim must not reached the disclosed whole purposes of the present invention or advantage or characteristics.In addition, summary part and title only are the usefulness that is used for assisting the patent document search, are not to be used for limiting interest field of the present invention.In addition, terms such as " first direction " mentioned in this instructions or the claim, " second direction " in order to the title of name element, and are not to be used for the quantitative upper limit of limiting element or lower limit only.
Claims (18)
1. converging module comprises:
One pedestal has at least one fixed leg;
One rotary seat is pivoted to this pedestal and this rotary seat and has a stop section and a fixed part;
One dichronic mirror assembly comprises an eyeglass seat and is placed at least one dichronic mirror of this eyeglass seat, this dichronic mirror assembly be arranged at this pedestal and with this rotary seat interlock;
One force application element has both ends, and these both ends connect this fixed leg of this pedestal and this fixed part of this rotary seat respectively; And
One movable part, be arranged at this pedestal, this movable part contacts with this stop section along a first direction, this rotary seat is rotated along one first rotation direction, and this fixed part of this rotary seat connects this force application element, this force application element moves along one second moving direction, and wherein this first moving direction is opposite with this second moving direction.
2. converging module as claimed in claim 1, wherein this movable part promotes this stop section along this first moving direction, this fixed part of this rotary seat rotates along this first rotation direction, in order to this force application element that stretches, make this force application element produce an elastic force, continue to contact with this stop section to keep this movable part along this first moving direction.
3. converging module as claimed in claim 1, wherein this force application element is a spring.
4. converging module as claimed in claim 1, wherein this movable part comprises a screw, and by the feeding of this screw to promote this stop section.
5. converging module as claimed in claim 1 wherein form a holder on this pedestal, and this movable part is arranged on this pedestal by this holder.
6. converging module as claimed in claim 1 wherein also comprises:
One location screw, wherein this rotary seat has a pivoted hole and this pedestal has an articulated section, and this set screw wears this pivoted hole and this articulated section, so that this rotary seat is pivoted to this pedestal.
7. converging module as claimed in claim 1, wherein this rotary seat has at least one reference column, and this eyeglass seat has at least one pilot hole, and this reference column is inserted this pilot hole, so that this dichronic mirror assembly and this rotary seat interlock.
8. converging module as claimed in claim 1, wherein this rotary seat and this dichronic mirror assembly are arranged at the not homonymy of this pedestal.
9. converging module as claimed in claim 1 wherein also comprises:
One housing has plural sidewall, to define a space of ccontaining this dichronic mirror assembly; And
At least one light-emitting component, be fixed in those sidewalls at least one of them.
10. converging module as claimed in claim 1, wherein this dichronic mirror assembly is an X prism.
11. a projection optical system comprises:
One converging module comprises:
A plurality of light-emitting components are in order to send the plural coloured light with different colours;
One pedestal has at least one fixed leg;
One rotary seat is pivoted to this pedestal and this rotary seat and has a stop section and a fixed part;
One dichronic mirror assembly comprises an eyeglass seat and is placed at least one dichronic mirror of this eyeglass seat, should guide to same direction by plural number coloured light, and this dichronic mirror assembly be arranged at this pedestal and with this rotary seat interlock;
One force application element has both ends and connects this fixed leg of this pedestal and this fixed part of this rotary seat respectively;
One movable part, be arranged at this pedestal, this movable part contacts with this stop section along one first moving direction, this rotary seat is rotated along one first rotation direction, and this fixed part of this rotary seat connects this force application element, this force application element moves along one second moving direction, and wherein this first moving direction is opposite with this second moving direction; And
One image-forming module is in order to become an image strip with this plural number coloured light modulation after this dichronic mirror assembly closes light; And
One projection lens group receives and throws this image strip.
12. projection optical system as claimed in claim 11, wherein this movable part promotes the stop section along this first moving direction, this fixed part of rotary seat rotates along this first rotation direction, in order to this force application element that stretches, make this force application element produce an elastic force, continue to contact with this stop section to keep this movable part along this first moving direction.
13. projection optical system as claimed in claim 11, wherein this force application element is a spring.
14. projection optical system as claimed in claim 11, wherein this movable part comprises a screw, and by the feeding of this screw to promote this stop section.
15. projection optical system as claimed in claim 11 wherein form a holder on this pedestal, and this movable part is arranged on this pedestal by this holder.
16. projection optical system as claimed in claim 11 also comprises:
One location screw, wherein this rotary seat has a pivoted hole and this pedestal has an articulated section, and this set screw wears this pivoted hole and this articulated section so that this rotary seat is pivoted to this pedestal.
17. projection optical system as claimed in claim 11, wherein this rotary seat has at least one reference column and this eyeglass seat has at least one pilot hole, and this reference column is inserted this pilot hole, so that this dichronic mirror assembly and this rotary seat interlock.
18. projection optical system as claimed in claim 11, wherein this rotary seat and this dichronic mirror assembly are arranged at the not homonymy of this pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100180132A CN103217797A (en) | 2012-01-19 | 2012-01-19 | Optical switching module and projection optical system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100180132A CN103217797A (en) | 2012-01-19 | 2012-01-19 | Optical switching module and projection optical system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103217797A true CN103217797A (en) | 2013-07-24 |
Family
ID=48815728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100180132A Pending CN103217797A (en) | 2012-01-19 | 2012-01-19 | Optical switching module and projection optical system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103217797A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106415388A (en) * | 2014-06-13 | 2017-02-15 | 柯尼卡美能达株式会社 | Image projection unit and image projection device |
| TWI648588B (en) * | 2017-10-31 | 2019-01-21 | 中強光電股份有限公司 | X-shaped adjusting module and light combing device and projector using the same |
| CN110824717A (en) * | 2018-08-10 | 2020-02-21 | 青岛海信激光显示股份有限公司 | Light combination device, laser light source and laser equipment |
| CN110824718A (en) * | 2018-08-10 | 2020-02-21 | 青岛海信激光显示股份有限公司 | Light combination device, laser light source device and laser equipment |
| CN111007691A (en) * | 2019-12-25 | 2020-04-14 | 中国华录集团有限公司 | Three-color laser projection system |
| TWI749052B (en) * | 2017-08-29 | 2021-12-11 | 揚明光學股份有限公司 | Light combining module |
| DE102022129229A1 (en) | 2022-11-04 | 2024-05-08 | Karl Storz Se & Co. Kg | Beam combiner and lighting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398520A (en) * | 2007-09-25 | 2009-04-01 | 中强光电股份有限公司 | Lens regulating module |
| CN101770078A (en) * | 2008-12-30 | 2010-07-07 | 昆山扬明光学有限公司 | Projector and light converging module thereof |
| CN102053324A (en) * | 2009-10-28 | 2011-05-11 | 中强光电股份有限公司 | Light convergence module and optical component regulation module thereof |
| US8449124B2 (en) * | 2009-09-01 | 2013-05-28 | Coretronic Corporation | Lever actuated lens adjustment module |
-
2012
- 2012-01-19 CN CN2012100180132A patent/CN103217797A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398520A (en) * | 2007-09-25 | 2009-04-01 | 中强光电股份有限公司 | Lens regulating module |
| CN101770078A (en) * | 2008-12-30 | 2010-07-07 | 昆山扬明光学有限公司 | Projector and light converging module thereof |
| US8449124B2 (en) * | 2009-09-01 | 2013-05-28 | Coretronic Corporation | Lever actuated lens adjustment module |
| CN102053324A (en) * | 2009-10-28 | 2011-05-11 | 中强光电股份有限公司 | Light convergence module and optical component regulation module thereof |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9946148B2 (en) | 2014-06-13 | 2018-04-17 | Konica Minolta, Inc. | Image projection unit and image projection apparatus |
| CN106415388B (en) * | 2014-06-13 | 2018-05-22 | 柯尼卡美能达株式会社 | Image projection unit and image projection apparatus |
| CN106415388A (en) * | 2014-06-13 | 2017-02-15 | 柯尼卡美能达株式会社 | Image projection unit and image projection device |
| TWI749052B (en) * | 2017-08-29 | 2021-12-11 | 揚明光學股份有限公司 | Light combining module |
| CN109725482B (en) * | 2017-10-31 | 2021-05-04 | 中强光电股份有限公司 | X-type adjusting module, light combining device using X-type adjusting module and projector |
| TWI648588B (en) * | 2017-10-31 | 2019-01-21 | 中強光電股份有限公司 | X-shaped adjusting module and light combing device and projector using the same |
| CN109725482A (en) * | 2017-10-31 | 2019-05-07 | 中强光电股份有限公司 | X type adjusts module and Multiplexing apparatus and projector using X type adjustment module |
| US11187913B2 (en) | 2017-10-31 | 2021-11-30 | Coretronic Corporation | X-type adjustment module, and light combining device and projector using the X-type adjustment module |
| CN110824718A (en) * | 2018-08-10 | 2020-02-21 | 青岛海信激光显示股份有限公司 | Light combination device, laser light source device and laser equipment |
| CN110824718B (en) * | 2018-08-10 | 2021-10-22 | 青岛海信激光显示股份有限公司 | Light combination device, laser light source device and laser equipment |
| CN110824717A (en) * | 2018-08-10 | 2020-02-21 | 青岛海信激光显示股份有限公司 | Light combination device, laser light source and laser equipment |
| CN111007691B (en) * | 2019-12-25 | 2021-09-14 | 中国华录集团有限公司 | Three-color laser projection system |
| CN111007691A (en) * | 2019-12-25 | 2020-04-14 | 中国华录集团有限公司 | Three-color laser projection system |
| DE102022129229A1 (en) | 2022-11-04 | 2024-05-08 | Karl Storz Se & Co. Kg | Beam combiner and lighting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103217797A (en) | Optical switching module and projection optical system thereof | |
| CN205942054U (en) | Periscopic module of making a video recording | |
| US7744227B2 (en) | Projector including a turn table for shifting a lens barrel | |
| CN103186017A (en) | Adjusting device of projector and adjusting device of lens | |
| US9835936B2 (en) | Angle adjustment apparatus and projection display apparatus | |
| CN105372911A (en) | Optical assembly adjusting device and projector using same | |
| US11237464B2 (en) | Projector and lens module | |
| JP2006208506A (en) | Projector and lens driver | |
| CN103912769A (en) | Projection equipment with adjusting function | |
| CN203215573U (en) | Beam imaging cutting device | |
| CN105487197A (en) | Reflector adjusting structure and projection optical system | |
| US7758194B2 (en) | Light source adjusting device | |
| CN102928940A (en) | Optical projection system and lens adjusting device | |
| CN106918980B (en) | Image projection device, light engine and image-display units | |
| US20120229771A1 (en) | Projector and image display system | |
| TWI235884B (en) | Adjustment apparatus | |
| CN109061993A (en) | Reflecting mirror is adjustable projection arrangement | |
| CN101533209A (en) | Adjusting component of projector optical lens, projector optical engine and projector | |
| US20150138514A1 (en) | Projection optical device and image projection apparatus | |
| TWI418917B (en) | Projection device | |
| CN100501560C (en) | Light source regulator of projection system | |
| CN205809522U (en) | A kind of projector equipment | |
| CN212987118U (en) | Lens tilting mechanism | |
| US8345361B2 (en) | Projecting device and lens adjusting module thereof | |
| CN103869583A (en) | Projection device and integration rod positioning structure thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130724 |