CN102854720B - Dedusting module and projection device - Google Patents
Dedusting module and projection device Download PDFInfo
- Publication number
- CN102854720B CN102854720B CN201110186014.3A CN201110186014A CN102854720B CN 102854720 B CN102854720 B CN 102854720B CN 201110186014 A CN201110186014 A CN 201110186014A CN 102854720 B CN102854720 B CN 102854720B
- Authority
- CN
- China
- Prior art keywords
- casing
- chimeric
- air
- fixator
- inlet end
- 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.)
- Expired - Fee Related
Links
Abstract
Provided are a dedusting module and a projection device. The dedusting module is used for conveying airflow supplied by an airflow supply device located outside a machine casing of the projection device to an optical inductor arranged in the machine casing of the projection device. The dedusting module comprises a fixing device and a conveying tube, and the fixing device is used for being connected with the machine casing to be connected with the airflow supply device. The conveying tube is provided with an inlet end and an outlet end. The inlet end is connected with the fixing device for receiving the airflow supplied by the airflow supply device. The outlet end extends to a position nearby the optical inductor to output the airflow to the optical inductor. In addition, the projection device using the dedusting module is further provided.
Description
[technical field]
The invention relates to a kind of dedusting module and adopt the projection arrangement (projection apparatus) of this dedusting module.
[background technology]
Numerical digit light source is processed (digital light processing, abbreviation DLP) principle of work of projection arrangement is the illuminating bundle that light source is sent, through the colour wheel (color wheel) of High Rotation Speed, light is filtered into and is delivered to light valve (micro-mirror device for example after three kinds of colors of RGB (RGB), be called for short DMD) to convert image strip to, then by projection lens, image strip is projected in and on screen, forms picture.By the angle changing constantly of the micromirror on light valve, and coordinate the colour wheel of High Rotation Speed, utilize the visual persistence effect of human eye, a pixel (pixel) just can show different color change.
For the on off state of the micromirror on light valve and the rotation of colour wheel can be cooperatively interacted; conventionally can for example, at the upper configuration of tumbler (rotor of a motor) positioning index (index mark) of colour wheel module; and coordinate optical inductor why to come the position of this positioning index of sensing or colour wheel region that illuminating bundle passes, so that projection goes out the image of required color.The method that this kind produces chromatic image is called time colour sequential explicit representation (time color sequential method).
Although the casing of projection arrangement can completely cut off most dust, but have dust accretions on the surface of optical inductor unavoidablely, and this can cause the optical inductor cannot sense position index or why sense colour wheel region, thereby cause the projection arrangement cannot normal operation.
United States Patent (USP) numbering 7,857,459 has disclosed a kind of technology of adsorbing dust on the casing of projector that dust absorbing unit is arranged at.In addition, TaiWan, China publication number 200743529 has disclosed a kind of blowing dust collector, and it can remove by blowing up a balloon fine dust.
[summary of the invention]
The invention provides a kind of dedusting module, in order to remove the dust on the optical inductor in the casing that is deposited in projection arrangement.
The invention provides a kind of projection arrangement, its dedusting module can be deposited in the dust on the optical inductor in casing in order to remove.
Other objects of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.
For reaching above-mentioned one or part or whole objects or other objects, one embodiment of the invention propose a kind of dedusting module, and the air-flow that the air-flow feeding mechanism by position outside a casing of a projection arrangement is supplied is delivered to one of projection arrangement and is arranged at the optical inductor in casing.Dedusting module comprises a fixator and a delivery pipe.Fixator is connected to casing, to connect air-flow feeding mechanism.Delivery pipe has an inlet end and an endpiece.Inlet end is connected to fixator, the air-flow of being supplied to receive air-flow feeding mechanism.Endpiece extend to optical inductor near, with output gas flow to optical inductor.
For reaching above-mentioned one or part or whole objects or other objects, another embodiment of the present invention proposes a kind of projection arrangement.Projection arrangement comprises a casing, a light source, a colour wheel, an optical inductor, a light valve, a projection lens and a dedusting module.Light source is configured in casing, and for sending an illuminating bundle.Colour wheel is configured in casing, and is positioned on the bang path of illuminating bundle.Optical inductor is configured in casing, sends the position that light sensing carrys out sensing colour wheel.Light valve is configured in casing, and is positioned on the bang path of illuminating bundle, illuminating bundle is converted to an image strip.Projection lens is configured in casing, and is positioned on the bang path of image strip, to project image strip.
Aforementioned dedusting module, the air-flow that the air-flow feeding mechanism by position outside casing is supplied is delivered to optical inductor.Dedusting module comprises a fixator and a delivery pipe.Fixator is connected to casing, to connect air-flow feeding mechanism.Delivery pipe has an inlet end and an endpiece.Inlet end is connected to fixator, the air-flow of being supplied to receive air-flow feeding mechanism.Endpiece extend to optical inductor near, with output gas flow to optical inductor.
In the above embodiment of the present invention, can delivery pipe be fixed on the casing of projection arrangement by fixator, and allow delivery pipe extend to projection arrangement the optical inductor that is positioned at casing near.Therefore,, during air-flow feeding mechanism outside the casing of fixator connection bit at projection arrangement, the air-flow that can air-flow feeding mechanism be supplied by the delivery pipe that is connected to fixator is delivered to optical inductor, to remove the dust being deposited on optical inductor.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate appended graphic being described in detail below.
[accompanying drawing explanation]
Fig. 1 is the calcspar of the projection arrangement of one embodiment of the invention.
Fig. 2 is the projection arrangement of Fig. 1 and the exploded perspective view of dedusting module and the air-flow feeding mechanism being used in conjunction with thereof.
Fig. 3 is the projection arrangement of Fig. 1 and the combination stereogram of dedusting module and the air-flow feeding mechanism being used in conjunction with thereof.
Fig. 4 is the partial sectional view of projection arrangement, dedusting module and the air-flow feeding mechanism of Fig. 3.
Fig. 5 is the projection arrangement of another embodiment of the present invention and the partial sectional view of dedusting module and the air-flow feeding mechanism being used in conjunction with thereof.
Fig. 6 is the projection arrangement of further embodiment of this invention and the partial sectional view of dedusting module and the air-flow feeding mechanism being used in conjunction with thereof.
100: projection arrangement
110: casing
110a: vent port
120: light source
130: colour wheel
132: optical inductor
140: light valve
150: projection lens
200: dedusting module
210,210 ', 210 ": fixator
210a: holding tank
210a ': truncated cone hole
210b: chimeric rib
210c: endsocket
212,212 ': pedestal
212a: embeded slot
212a ': guide ramp
212b: intermediate sleeve
214,214 ': support
214a: fitting portion
220: delivery pipe
220a: inlet end
220b: endpiece
300: air-flow feeding mechanism
310: supply pipe
312: semi-round ball end
[embodiment]
About aforementioned and other technology contents, feature and effect of the present invention, in the following detailed description coordinating with reference to graphic a plurality of embodiment, can clearly present.The direction term of mentioning in following examples, such as " on ", D score, 'fornt', 'back', " left side ", " right side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is for explanation, but not is used for limiting the present invention.
Fig. 1 is the calcspar of the projection arrangement of one embodiment of the invention.Please refer to Fig. 1, the projection arrangement 100 of the present embodiment comprises a casing 110, a light source 120, a colour wheel 130, a light valve 140 and a projection lens 150.Light source 120 is configured in casing 110, and sends an illuminating bundle.Colour wheel 130 is configured in casing 110, and is positioned on the bang path of illuminating bundle.Light valve 140 is configured in casing 110, and is positioned on the bang path of illuminating bundle, and illuminating bundle can be converted to an image strip.Projection lens 150 is configured in casing 110, and is positioned on the bang path of image strip, to project image strip.
In addition, projection arrangement 100 more comprises an optical inductor 132.Optical inductor 132 is configured in casing 110, for sending light sensing, comes sensing to be positioned at the sensing mark position (not illustrating) on colour wheel 130.Although casing 110 can completely cut off most dust, have dust accretions on the surface of optical inductor 132, and this can cause the position that optical inductor 132 cannot sensing colour wheel 130 unavoidablely, thereby cause the projection arrangement 100 cannot normal operation.
Fig. 2 and Fig. 3 are respectively the projection arrangement of Fig. 1 and decomposition and the combination stereogram of dedusting module and the air-flow feeding mechanism being used in conjunction with thereof.Please refer to Fig. 2 and Fig. 3, projection arrangement 100 comprises a dedusting module 200, its can by position, the air-flow feeding mechanism 300 outside the casing 110 of projection arrangement 100 be supplied air-flow be delivered to the optical inductor 132 (as Fig. 1 and Fig. 4) in casing 110 that is arranged at of projection arrangement 100, in order to remove, be deposited in the dust on optical inductor 132.In the present embodiment, air-flow feeding mechanism 300 can be one and blows ball, and it can export powerful air-flow when being squeezed, but the invention is not restricted to this, for example, can use the pump also can be as air-flow feeding mechanism.
Fig. 4 is the projection arrangement of Fig. 3 and the partial sectional view of dedusting module and the air-flow feeding mechanism being used in conjunction with thereof.Please refer to Fig. 2 and Fig. 4, dedusting module 200 comprises a fixator 210 and a delivery pipe 220.Fixator 210 is connected to casing 110, to connect air-flow feeding mechanism 300.Delivery pipe 220 has an inlet end 220a and an endpiece 220b.Inlet end 220a is connected to the air-flow that fixator 210 is supplied to receive air-flow feeding mechanism 300.Endpiece 220b may extend to optical inductor 132 (as Fig. 4) near, output gas flow to optical inductor 132 is deposited in the dust on optical inductor 132 to remove.
In order to receive the air-flow of supplying from air-flow feeding mechanism 300, fixator 210 can have the supply pipe 310 that a holding tank 210a holds air-flow feeding mechanism 300, and holding tank 210a is communicated in inlet end 220a, the air-flow from supply pipe 310 can be injected to inlet end 220a.In the present embodiment, a truncated cone hole 210a ' (as Fig. 4) is formed on the bottom that holding tank 210a is communicated in inlet end 220a, a semi-round ball end 312 of closely sealed supply pipe 310.
For fixator 210 is chimeric to casing 110, fixator 210 can have a plurality of chimeric rib 210b.These chimeric rib 210b are chimeric a plurality of vent port 110a to casing 110 respectively, the position with fixed pedestal 212 (being holder 210) with respect to casing 110.
For delivery pipe 220 is connected to fixator 210, fixator 210 can have an endsocket 210c, and inlet end 220a is chimeric to endsocket 210c.
In the present embodiment, fixator 210 can comprise a pedestal 212 and a support 214.Pedestal 212 can be chimeric to casing 110, and support 214 can be chimeric to pedestal 212, and delivery pipe 220 is connected to support 214.
In the present embodiment, pedestal 212 can have aforementioned these chimeric rib 210b, and support 214 can have aforesaid endsocket 210c.
For support 214 is chimeric to pedestal 212, pedestal 212 can have an embeded slot 212a, and support 214 can have a fitting portion 214a, and fitting portion 214a is chimeric to embeded slot 212a.In addition, pedestal 212 can have an intermediate sleeve 212b, and a part for delivery pipe 220 is embedded in intermediate sleeve 212b, to contribute to auxiliary fixed ducts 220 with respect to the position of casing 110.
In addition, embeded slot 212a is communicated in intermediate sleeve 212b, and embeded slot 212a is communicated in the formed guide ramp 212a ' (as Fig. 4) in a bottom of intermediate sleeve 212b, contributes to the endpiece 220b of delivery pipe 220 to aim at and pass intermediate sleeve 212b.
Fig. 5 is the projection arrangement of another embodiment of the present invention and the partial sectional view of dedusting module and the air-flow feeding mechanism being used in conjunction with thereof.Compared to the embodiment of Fig. 4, the pedestal 212 ' of the fixator 210 of Fig. 5 directly forms the part from casing 110.In other words, pedestal 212 ' is integrally formed with casing 110.Therefore, saved the chimeric rib 210b of Fig. 4.
Fig. 6 is the projection arrangement of further embodiment of this invention and the partial sectional view of dedusting module and the air-flow feeding mechanism being used in conjunction with thereof.Compared to the embodiment of Fig. 4 and Fig. 5, the fixator 210 of Fig. 6 " directly form the part from casing 110.In other words, fixator 210 " integrally formed with casing 110.In the present embodiment, can omit the pedestal 212 of Fig. 4, and by by the support of Fig. 4 214 and the integrally formed fixator 210 that forms of casing 110 ", connecting conveying pipe 220 to be provided and to connect the function that air-flow supply fills 300 supply pipe 310.
In sum, in the above embodiment of the present invention, can delivery pipe be fixed on the casing of projection arrangement by fixator, and allow delivery pipe extend to projection arrangement the optical inductor that is positioned at casing near.Therefore,, during air-flow feeding mechanism outside the casing of fixator connection bit at projection arrangement, the air-flow that can air-flow feeding mechanism be supplied by the delivery pipe that is connected to fixator is delivered to optical inductor, to remove the dust being deposited on optical inductor.
The above, it is only preferred embodiment of the present invention, when not limiting scope of the invention process with this, the simple equivalence of generally doing according to the present patent application the scope of the claims and invention description content changes and modifies, and all still remains within the scope of the patent.In addition, arbitrary embodiment of the present invention or claim must not reached the disclosed whole objects of the present invention or advantage or feature.
Claims (30)
1. a dedusting module, for the air-flow feeding mechanism outside a casing of a projection arrangement by position, the air-flow of supplying is delivered to one of this projection arrangement and is arranged at the optical inductor in this casing, and this dedusting module comprises:
One fixator, connects this casing outside, and connects this air-flow feeding mechanism; And
One delivery pipe, have an inlet end and an endpiece, wherein this inlet end is connected to this fixator, and this delivery pipe is for receiving the air-flow that this air-flow feeding mechanism is supplied, and this endpiece extend to this optical inductor near, to export this air-flow to this optical inductor.
2. dedusting module as claimed in claim 1, wherein this casing has a plurality of vent ports, and this fixator has a plurality of chimeric ribs, and those chimeric ribs are chimeric to those vent ports respectively, to fix this fixator with respect to the position of this casing.
3. dedusting module as claimed in claim 1, wherein this fixator has a holding tank, holds a supply pipe of this air-flow feeding mechanism, and this holding tank is communicated in this inlet end, and the air-flow from this supply pipe is injected to this inlet end.
4. dedusting module as claimed in claim 1, wherein a truncated cone hole is formed on a bottom that is communicated in this inlet end of this holding tank, for a semi-round ball end of closely sealed this supply pipe.
5. dedusting module as claimed in claim 1, wherein this fixator has an endsocket, and this inlet end is chimeric to this endsocket.
6. dedusting module as claimed in claim 1, wherein this fixator comprises:
One pedestal, chimeric to this casing; And
One support, chimeric to this pedestal, wherein this to enter nose end chimeric to this support.
7. dedusting module as claimed in claim 6, wherein this casing has a plurality of vent ports, and this pedestal has a plurality of chimeric ribs, and those chimeric ribs are chimeric to those vent ports respectively, to fix this pedestal with respect to the position of this casing.
8. dedusting module as claimed in claim 6, wherein this support has a holding tank, holds one of this air-flow feeding mechanism supply pipe, and this holding tank is communicated in this inlet end, and the air-flow from this supply pipe is injected to this inlet end.
9. dedusting module as claimed in claim 6, a truncated cone hole is formed on the bottom that wherein this holding tank is communicated in this endsocket, for a semi-round ball end of closely sealed this supply pipe.
10. dedusting module as claimed in claim 6, wherein this support has an endsocket, and this inlet end is chimeric to this endsocket.
11. dedusting modules as claimed in claim 6, wherein this pedestal has an intermediate sleeve, and a section of this delivery pipe is embedded in this intermediate sleeve.
12. dedusting modules as claimed in claim 6, wherein this pedestal has an embeded slot, and this support has a fitting portion, and this fitting portion is chimeric to this embeded slot.
13. dedusting modules as claimed in claim 6, wherein this pedestal has an intermediate sleeve, one section of this delivery pipe is embedded in this intermediate sleeve, and this embeded slot is communicated in this intermediate sleeve, and a guide ramp is formed on the bottom that this embeded slot is communicated in this intermediate sleeve.
14. dedusting modules as claimed in claim 1, wherein this pedestal forms the part from this casing.
15. dedusting modules as claimed in claim 1, wherein this fixator forms the part from this casing.
16. 1 kinds of projection arrangements, comprising:
One casing;
One light source, is configured in this casing, and for sending an illuminating bundle;
One colour wheel, is configured in this casing, and is positioned on the bang path of this illuminating bundle;
One optical inductor, is configured in this casing, sends the position that light sensing carrys out this colour wheel of sensing;
One light valve, is configured in this casing, and is positioned on the bang path of this illuminating bundle, so that this illuminating bundle is converted to an image strip;
One projection lens, is configured in this casing, and is positioned on the bang path of this image strip, to project this image strip; And
One dedusting module, is delivered to this optical inductor for the air-flow that the air-flow feeding mechanism outside this casing is supplied by position, and this dedusting module comprises:
One fixator, is connected to this casing, to connect this air-flow feeding mechanism; And
One delivery pipe, has an inlet end and an endpiece, and wherein this inlet end is connected to this fixator, the air-flow of being supplied to receive this air-flow feeding mechanism, and this endpiece extend to this optical inductor near, to export this air-flow to this optical inductor.
17. projection arrangements as claimed in claim 16, wherein this casing has a plurality of vent ports, and this fixator has a plurality of chimeric ribs, and those chimeric ribs are chimeric to those vent ports respectively, to fix this fixator with respect to the position of this casing.
18. projection arrangements as claimed in claim 16, wherein this fixator has a holding tank, holds one of this air-flow feeding mechanism supply pipe, and this holding tank is communicated in this inlet end, for the air-flow from this supply pipe is injected to this inlet end.
19. projection arrangements as claimed in claim 16, wherein a truncated cone hole is formed on a bottom that is communicated in this inlet end of this holding tank, for a semi-round ball end of closely sealed this supply pipe.
20. projection arrangements as claimed in claim 16, wherein this fixator has an endsocket, and this inlet end is chimeric to this endsocket.
21. projection arrangements as claimed in claim 16, wherein this fixator comprises:
One pedestal, for chimeric to this casing; And
One support, chimeric to this pedestal, wherein this to enter nose end chimeric to this support.
22. projection arrangements as claimed in claim 21, wherein this casing has a plurality of vent ports, and this pedestal has a plurality of chimeric ribs, and those chimeric ribs are chimeric to those vent ports respectively, to fix this pedestal with respect to the position of this casing.
23. projection arrangements as claimed in claim 21, wherein this support has a holding tank, holds a supply pipe of this air-flow feeding mechanism, and this holding tank is communicated in this inlet end, with in order to the air-flow from this supply pipe is injected to this inlet end.
24. projection arrangements as claimed in claim 21, wherein a truncated cone hole is formed on a bottom that is communicated in this endsocket of this holding tank, with the semi-round ball end in order to closely sealed this supply pipe.
25. projection arrangements as claimed in claim 21, wherein this support has an endsocket, and this inlet end is chimeric to this endsocket.
26. projection arrangements as claimed in claim 21, wherein this pedestal has an intermediate sleeve, and a section of this delivery pipe is embedded in this intermediate sleeve.
27. projection arrangements as claimed in claim 21, wherein this pedestal has an embeded slot, and this support has a fitting portion, and this fitting portion is chimeric to this embeded slot.
28. projection arrangements as claimed in claim 21, wherein this pedestal has an intermediate sleeve, one section of this delivery pipe is embedded in this intermediate sleeve, and this embeded slot is communicated in this intermediate sleeve, and a guide ramp is formed on the bottom that this embeded slot is communicated in this intermediate sleeve.
29. projection arrangements as claimed in claim 21, wherein this pedestal forms the part from this casing.
30. projection arrangements as claimed in claim 16, wherein this fixator forms the part from this casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110186014.3A CN102854720B (en) | 2011-06-30 | 2011-06-30 | Dedusting module and projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110186014.3A CN102854720B (en) | 2011-06-30 | 2011-06-30 | Dedusting module and projection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102854720A CN102854720A (en) | 2013-01-02 |
| CN102854720B true CN102854720B (en) | 2014-10-22 |
Family
ID=47401426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110186014.3A Expired - Fee Related CN102854720B (en) | 2011-06-30 | 2011-06-30 | Dedusting module and projection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102854720B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104028504A (en) * | 2013-03-04 | 2014-09-10 | 台达电子工业股份有限公司 | Cleaning module suitable for projection device |
| CN104516179A (en) * | 2014-12-19 | 2015-04-15 | 苏州佳世达光电有限公司 | Projector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725102A (en) * | 2004-07-21 | 2006-01-25 | 三洋电机株式会社 | Projection video display system |
| TW200743529A (en) * | 2006-05-19 | 2007-12-01 | Hon Hai Prec Ind Co Ltd | Gas-blowing device for cleaning |
| CN101227812A (en) * | 2007-01-19 | 2008-07-23 | 株式会社日立制作所 | Cooling device |
| CN101576706A (en) * | 2008-05-08 | 2009-11-11 | 深圳华强三洋技术设计有限公司 | Cooling system and projecting apparatus adopting same |
| CN101576702A (en) * | 2008-05-08 | 2009-11-11 | 深圳华强三洋技术设计有限公司 | Dust preventing assembly and projecting apparatus adopting same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101430486B (en) * | 2007-11-09 | 2010-06-23 | 鸿富锦精密工业（深圳）有限公司 | Projector |
-
2011
- 2011-06-30 CN CN201110186014.3A patent/CN102854720B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1725102A (en) * | 2004-07-21 | 2006-01-25 | 三洋电机株式会社 | Projection video display system |
| TW200743529A (en) * | 2006-05-19 | 2007-12-01 | Hon Hai Prec Ind Co Ltd | Gas-blowing device for cleaning |
| CN101227812A (en) * | 2007-01-19 | 2008-07-23 | 株式会社日立制作所 | Cooling device |
| CN101576706A (en) * | 2008-05-08 | 2009-11-11 | 深圳华强三洋技术设计有限公司 | Cooling system and projecting apparatus adopting same |
| CN101576702A (en) * | 2008-05-08 | 2009-11-11 | 深圳华强三洋技术设计有限公司 | Dust preventing assembly and projecting apparatus adopting same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102854720A (en) | 2013-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104284575B (en) | Mounting device | |
| EP1394602B1 (en) | Cooler for electrooptic device and projector | |
| CN102854720B (en) | Dedusting module and projection device | |
| CN101093344B (en) | Image projecting apparatus | |
| TW200600948A (en) | Projection display device, image projection system, and light source device | |
| WO2002084397A3 (en) | Angled illumination for a single order glv based projection system | |
| CN102216847A (en) | Projection system | |
| CN104516079A (en) | Color wheel module and projection apparatus | |
| US9470960B2 (en) | Projector | |
| CN102692793A (en) | Adapting lens module and adapting base for same | |
| US20050237621A1 (en) | Method and apparatus for combining light paths of like-colored light sources | |
| CN102207665A (en) | Projector | |
| CN102207666B (en) | Projector | |
| CN102436127B (en) | Video projector | |
| CN1832805A (en) | Blower system | |
| CN1883208B (en) | Projection apparatus with axis parallel micro mirrors and light sources | |
| JP2012008179A (en) | Projector | |
| EP1970757A1 (en) | Projection apparatus and illumination system thereof | |
| US20090097030A1 (en) | System and method for checking filter segment arrangement of a color filter in a color wheel | |
| EP1871118A3 (en) | Illumination optical system and projection type display apparatus | |
| CN100501560C (en) | Light source regulator of projection system | |
| CN102096286A (en) | Projection type video projector | |
| US9733555B2 (en) | Illumination device and projector | |
| CN102981233A (en) | Color wheel module and projecting device | |
| WO2007058070A2 (en) | Light source unit and projector system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20200630 |