CN107577107B - Projector shell structure and projector - Google Patents
Projector shell structure and projector Download PDFInfo
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- CN107577107B CN107577107B CN201610520571.7A CN201610520571A CN107577107B CN 107577107 B CN107577107 B CN 107577107B CN 201610520571 A CN201610520571 A CN 201610520571A CN 107577107 B CN107577107 B CN 107577107B
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- projector
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- 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
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Abstract
The invention provides a projector shell structure and a projector, wherein the projector shell structure comprises: a housing; a lens cover for covering the projector lens; the turnover structure is respectively connected with the shell and the lens cover and can rotate relative to the shell; through the turnover structure, the lens cover moves between a first position where the lens cover is attached to the shell to cover the projector lens and a second position where the lens cover is far away from the shell to expose the projector lens. The projector shell structure and the projector provided by the embodiment of the invention can solve the problems that the structure of a sliding type lens cover limited sliding guide rail structure is unstable, the service life is fast attenuated, and the structure is easy to loosen, incline and the resilience force is reduced after reliability test.
Description
Technical Field
The present invention relates to the field of projector technologies, and in particular, to a projector housing structure and a projector.
Background
Most of the existing lens covers of projectors adopt a sliding system, and the conventional lens covers of the sliding system need to be limited by the structural size of a sliding guide rail. When the lens cover of the sliding system is required to have a larger sliding stroke, the structural size of the fixed end of the sliding rail fixed with the projector shell needs to be lengthened, so that the size of the lens cover of the projector is larger, the integral attractiveness of the structure is affected, and the lens cover of the sliding system is unstable in structure and quick in service life attenuation; in addition, after the reliability test is carried out, the problems of structure looseness, inclination and reduction of resilience force are easy to occur.
Disclosure of Invention
The invention aims to provide a projector shell structure and a projector, which can solve the problems that a sliding type limited sliding guide rail structure of a lens cover is unstable in structure and quick in service life attenuation, and the structure is easy to loosen, incline and the resilience force is reduced after reliability test.
In a first aspect, an embodiment of the present invention provides a projector housing structure, including:
a housing;
a lens cover for covering the projector lens; and
the turnover structure is respectively connected with the shell and the lens cover and can rotate relative to the shell;
through the turnover structure, the lens cover moves between a first position where the lens cover is attached to the shell to cover the projector lens and a second position where the lens cover is far away from the shell to expose the projector lens.
When the lens cover rotates to the second position through the turnover structure, the lens cover is contacted with a placing plane, the bottom surface of the shell and the placing plane form a preset angle, and the turnover structure supports the shell.
The turnover structure comprises at least one connecting rod and at least one rotating shaft which is arranged in the shell and correspondingly connected with the connecting rod, at least one through hole is correspondingly formed in the shell, and the connecting rod penetrates through the through hole and rotates relative to the shell by taking the rotating shaft as a center.
The axis direction of the rotating shaft is parallel to the bottom surface of the shell and the first side surface of the shell, and a lens hole used for exposing the lens of the projector is formed in the first side surface.
The connecting rod comprises a straight-line section rod body and a curve section rod body which are integrally connected, the straight-line section rod body is connected with the rotating shaft, and the curve section rod body is connected with the lens cover.
When the curve section rod body is completely accommodated in the shell, the lens cover is located at a first position, wherein the lens cover is attached to the first side surface of the shell;
when the straight-line section rod body rotates to a position vertical to the first side surface of the shell, the lens cover is positioned at a second position;
when the curved section rod body completely penetrates out of the through hole and the straight section rod body is arranged in the through hole, the lens cover is located at a third position between the first position and the second position, and the lens cover is attached to the edge of the bottom surface of the shell.
The connecting rod comprises a straight rod, and two ends of the straight rod are respectively connected with the rotating shaft and the lens cover; the through hole is arranged at the edge position where the bottom surface of the shell and the first side surface are intersected.
When the straight rod rotates to a position vertical to the first side surface of the shell, the lens cover is positioned at the first position, wherein the lens cover is attached to the first side surface of the shell;
when the straight rod rotates to a position vertical to the bottom surface of the shell, the lens cover is located at a second position, wherein the lens cover is parallel to the bottom surface of the shell.
Wherein, the pivot is damping pivot, spring pivot or pin pivot.
In a second aspect, an embodiment of the present invention provides a projector, including:
the projector housing structure described above;
the optical machine is arranged in the shell of the projector shell structure; and
the projector lens is arranged in the shell and connected with the optical machine;
wherein, a lens hole is arranged on the shell, and the lens of the projector is exposed through the lens hole.
Wherein, this projector still includes:
the control system is connected with the optical machine and is used for controlling the opening and closing of the optical machine; and
the switch structure is arranged on the projector shell structure, connected with the control system and used for sensing the opening and closing of the lens cover of the projector shell structure;
when the switch structure senses that the lens cover is opened, a signal is sent to the control system, and the control system controls the optical machine to be opened; when the switch structure senses that the lens cover is closed, a signal is sent to the control system, and the control system controls the optical machine to be closed.
The control system is also used for controlling the turnover structure of the projector shell structure to rotate relative to the shell so as to enable the lens cover to rotate between the first position and the second position.
Wherein, the switch structure is an optical switch, a Hall switch or a mechanical switch.
Compared with the prior art, the projector shell structure and the projector provided by the embodiment of the invention are provided with the turnover structures which are respectively connected with the shell and the lens cover and can rotate relative to the shell; then, the lens cover is enabled to act between a first position which is attached to the shell and used for covering the projector lens and a second position which is far away from the shell and used for exposing the projector lens through the turnover structure, so that the problems that the sliding type lens cover is limited by the sliding guide rail structure, the structure is unstable, the service life is fast to decay, and the structure is easy to loosen, incline and the resilience force is reduced after reliability test can be solved; in addition, the projector shell structure is simple and compact in structure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a first structural schematic diagram of a projector housing structure according to an embodiment of the invention;
fig. 2 is a second structural schematic diagram of a projector housing structure according to an embodiment of the invention;
fig. 3 is a third structural schematic diagram of a projector housing structure according to an embodiment of the invention;
fig. 4 is a fourth structural diagram illustrating a projector housing structure according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another projector housing structure according to an embodiment of the invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a first structural schematic diagram of a projector housing structure according to an embodiment of the present invention; fig. 2 is a second structural schematic diagram of a projector housing structure according to an embodiment of the invention; fig. 3 is a third structural schematic diagram of a projector housing structure according to an embodiment of the invention; fig. 4 is a fourth structural schematic diagram of a projector housing structure according to an embodiment of the invention; fig. 5 is a schematic structural diagram of another projector housing structure according to an embodiment of the present invention.
Referring to fig. 1 to 5, an embodiment of the invention provides a projector housing structure 100, where the projector housing structure 100 includes: a housing 110; a lens cover 120 for covering the projector lens; and a flip structure connected to the housing 110 and the lens cover 120, respectively, and capable of rotating with respect to the housing 110; through the flip structure, the lens cover 120 moves between a first position attached to the housing 110 to cover the projector lens and a second position away from the housing 110 to expose the projector lens.
In the above embodiments, the projector housing structure 100 includes the housing 110, the lens cover 120, and the flip structure. The flip structure is connected to the housing 110 and the lens cover 120, and the flip structure can rotate relative to the housing 110 to drive the lens cover 120 to move between a first position and a second position, and when the lens cover 120 is located at the first position, the lens cover 120 is attached to the housing 110 to cover the lens of the projector; when the lens cover 120 is in the second position, the lens cover 120 is away from the housing to expose the projector lens. The lens cover 120 can stay at any position between the first position and the second position through the flip structure, preferably, the lens cover 120 stays at the first position, the second position and a preset specific position between the first position and the second position through the flip structure, wherein the second position and the setting of the preset specific position between the first position and the second position can be set according to an actual structure and design requirements, and in addition, the second position can coincide with the preset specific position. In the embodiment, a flip structure is adopted to move the lens cover 120 between the first position and the second position relative to the housing 110, so as to achieve the purpose that the lens cover 120 covers the projector lens (i.e. the lens cover is closed) and is away from the projector lens (i.e. the lens cover is opened).
In one embodiment, when the lens cover 120 is rotated to the second position by the flip structure, the lens cover 120 contacts a placing plane, the bottom surface 113 of the housing 110 is at a predetermined angle with respect to the placing plane, and the flip structure supports the housing 110. When the lens cover 120 is in the second position, the lens cover 120 contacts the placing plane, and the flip structure supports the housing 110 such that the bottom surface 113 of the housing 110 forms a predetermined angle with the placing plane, and at this time, the lens cover 120 and the flip structure correspond to a stand of the projector. Wherein, the preset angle is related to the structure setting of the turnover structure and can be adjusted according to the actual design requirement.
In an embodiment, the flipping structure includes at least one connecting rod 131 and at least one rotating shaft 132 disposed inside the housing 110 and correspondingly connected to the connecting rod 131, at least one through hole 111 is correspondingly formed on the housing 110, and the connecting rod 131 passes through the through hole 111 and rotates relative to the housing 110 with the rotating shaft 132 as a center. Here, the turning structure may include at least one connecting rod 131 and at least one rotating shaft 132, and the connecting rods 131 and the rotating shafts 132 are correspondingly connected, wherein the number of the connecting rods 131 may be set according to actual design requirements, for example, may be set as one or two; the number of the rotating shafts 132 can also be set according to the actual design requirement, and generally can be set to be the same as the number of the connecting rods 131. The rotating shaft 132 is fixedly disposed inside the housing 110, and the connecting rod 131 is respectively connected to the rotating shaft 132 and the lens cover 120; the housing 110 is provided with through holes 111 for allowing the links 131 to pass through the housing 110, the number of the through holes 111 is the same as the number of the links 131, and each link 131 passes through the corresponding through hole 111 and rotates relative to the housing 110 around the rotating shaft 132, so that the lens cover 120 moves between the first position and the second position.
The rotating shaft 132 may be a plurality of rotating shaft structures configured according to different structures or functions, as long as it has a function of rotating relative to the housing 110 to move the lens cover 120 between the first position and the second position, for example, the rotating shaft 132 may be a damping rotating shaft, a spring rotating shaft, or a pin rotating shaft.
In an embodiment, the axial direction of the rotating shaft 132 is parallel to the bottom surface 113 of the housing 110 and the first side surface 112 of the housing 110, wherein the first side surface is opened with a lens hole 114 for exposing the lens of the projector.
Referring to fig. 1 to 4, in an embodiment, the link 131 may include a straight-line segment 1311 and a curved-line segment 1312 integrally connected, the straight-line segment 1311 is connected to the rotation shaft 132, and the curved-line segment 1312 is connected to the lens cover 120.
When the curved-section rod 1312 is completely accommodated in the casing 110, the lens cover 120 is located at a first position, wherein the lens cover 120 is attached to the first side surface 112 of the casing 110, and at this time, the lens cover 120 covers the projector lens, and the lens cover 120 is in a closed state; when the straight section bar 1311 rotates to a position perpendicular to the first side surface 112 of the housing 110, the lens cover 120 is located at the second position, the lens of the projector is exposed, and the lens cover 120 is in an open state, at this time, the lens cover 120 contacts with the placing plane, and the connecting rod 131 supports the housing 110, so that a predetermined angle is formed between the bottom surface 113 of the housing 110 and the placing plane, where the lens cover 120 and the connecting rod 131 correspond to a bracket of the projector; when the curved rod 1312 completely penetrates through the through hole 111 and the straight rod 1311 is disposed in the through hole 111, the lens cover 120 is located at a third position between the first position and the second position, the lens cover 120 is attached to the edge of the bottom surface 113 of the housing 110, the third position is a predetermined specific position, at this time, the projector lens is exposed, the lens cover 120 is in an open state, here, the lens cover 120 is attached to the edge of the bottom surface 113 of the housing 110, and the contact surface is flush with the bottom surface 113. Wherein in this embodiment, the shaft 132 is preferably a damped shaft. In addition, in practical design, the third position and the second position may coincide, that is, the third position may be set to the second position. Thus, the curved rod 1312 can completely penetrate through the through hole 111 and the straight rod 1311 is disposed in the through hole 111, so that the structure disposed inside the housing 110 can be prevented from being directly observed through the through hole 111, and the projector is more beautiful.
In addition, referring to fig. 5, in an embodiment, the connecting rod 131 may include a straight rod 1313, and both ends of the straight rod 1313 are respectively connected to the rotating shaft 132 and the lens cover 120; the through hole 111 is disposed at an edge position where the bottom surface 113 and the first side surface 112 of the housing 110 intersect, and a part of the through hole 111 is disposed at the bottom surface 113 of the housing 110, and another part is disposed at the first side surface 112.
When the straight rod 1313 is rotated to a position perpendicular to the first side surface 112 of the housing 110, the lens cover 120 is located at the first position, wherein the lens cover 120 is attached to the first side surface 112 of the housing 110, at this time, the lens cover 120 covers the projector lens, and the lens cover 120 is in a closed state; when the straight rod 1313 is rotated to a position perpendicular to the bottom surface 113 of the housing 110, the lens cover 120 is located at a second position, in which the lens cover 120 is parallel to the bottom surface 113 of the housing 110, and at this time, the projector lens is exposed, and the lens cover 120 is in an open state; meanwhile, the lens cover 120 is in contact with the placing plane, and the link 131 supports the housing 110 such that the bottom surface 113 of the housing 110 is at a predetermined angle with respect to the placing plane, where the lens cover 120 and the link 131 correspond to a stand of the projector.
The projector shell structure provided by the embodiment of the invention is provided with the turnover structure which is respectively connected with the shell and the lens cover and can rotate relative to the shell; then, the lens cover is enabled to act between a first position which is attached to the shell and used for covering the projector lens and a second position which is far away from the shell and used for exposing the projector lens through the turnover structure, so that the problems that the sliding type lens cover is limited by the sliding guide rail structure, the structure is unstable, the service life is fast to decay, and the structure is easy to loosen, incline and the resilience force is reduced after reliability test can be solved; in addition, the projector shell structure is simple and compact in structure.
In addition, an embodiment of the present invention further provides a projector, including: the projector housing structure 100 described above; an optical engine disposed inside the housing 110 of the projector housing structure 100; and a projector lens disposed inside the housing 110 and connected to the optical engine; the housing 110 has a lens hole 114, and the lens of the projector is exposed through the lens hole 114.
In an embodiment, the projector may further include: the control system is connected with the optical machine and is used for controlling the opening and closing of the optical machine; the switch structure is arranged on the projector shell structure 100, connected with the control system and used for sensing the opening and closing of the lens cover 120 of the projector shell structure 100; when the switch structure senses that the lens cover 120 is opened, a signal is sent to the control system, and the control system controls the optical machine to be opened; when the switch structure senses that the lens cover 120 is closed, a signal is sent to the control system, and the control system controls the optical machine to be closed.
Here, the projector includes a projector housing structure 100, an optical engine, a control system, a switch structure, and a projector lens. Wherein, the switch structure is used for the open-close state of the lens cover 120 and is connected with the control system; the control system is used for controlling the opening and closing of the optical machine and is respectively connected with the optical machine and the switch structure. When the switch structure senses that the lens cover 120 is opened, the switch structure sends a signal to the control system so that the control system controls the optical machine to be opened; when the switch structure senses that the lens cover 120 is closed, the switch structure sends a signal to the control system, so that the control system controls the optical machine to be closed.
The switch structure may be a variety of different structures as long as it has a function of sensing the opening and closing of the lens cover 120 of the projector housing structure 100, and for example, the switch structure may be an optical switch, a hall switch, or a mechanical switch.
In addition, in an embodiment, the control system may be further configured to control the flip structure of the projector housing structure 100 to rotate relative to the housing 110, so that the lens cover 120 rotates between the first position and the second position.
The projector shell structure provided by the embodiment of the invention has the technical effects, so the projector with the projector shell structure also has the corresponding technical effects.
The projector provided by the embodiment of the invention is provided with the turnover structure which is respectively connected with the shell and the lens cover and can rotate relative to the shell; then, the lens cover is enabled to act between a first position which is attached to the shell and used for covering the projector lens and a second position which is far away from the shell and used for exposing the projector lens through the turnover structure, so that the problems that the sliding type lens cover is limited by the sliding guide rail structure, the structure is unstable, the service life is fast to decay, and the structure is easy to loosen, incline and the resilience force is reduced after reliability test can be solved; in addition, the projector shell structure is simple and compact in structure.
It should be appreciated that reference throughout this specification to "one embodiment," "an embodiment," or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the present invention. Thus, the appearances of the phrases "in one embodiment," "in one embodiment," or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In addition, in one or more embodiments herein, terms such as "comprising" or "including" are used to specify the presence of the stated features or components, but do not preclude the presence or addition of one or more other stated features or one or more other components.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A projector housing structure, comprising:
a housing;
a lens cover for covering the projector lens; and
the turnover structure is respectively connected with the shell and the lens cover and can rotate relative to the shell; the turnover structure comprises at least one connecting rod and at least one rotating shaft which is arranged in the shell and correspondingly connected with the connecting rod, at least one through hole is correspondingly formed in the shell, and the connecting rod penetrates through the through hole and rotates relative to the shell by taking the rotating shaft as a center; the connecting rod comprises a linear section rod body and a curved section rod body which are integrally connected, the linear section rod body is connected with the rotating shaft, and the curved section rod body is connected with the lens cover;
through the turnover structure, the lens cover acts between a first position which is attached to the shell to cover the projector lens and a second position which is far away from the shell to expose the projector lens;
when the curve section rod body is completely accommodated in the shell, the lens cover is located at the first position, wherein the lens cover is attached to the first side surface of the shell;
when the straight-line section rod body rotates to a position vertical to the first side surface of the shell, the lens cover is located at the second position;
when the curve section rod body completely penetrates out of the through hole and the straight-line section rod body is arranged in the through hole, the lens cover is located at a third position between the first position and the second position, and the lens cover is attached to the edge of the bottom surface of the shell.
2. The projector housing structure of claim 1 wherein the lens cover contacts a resting plane when the lens cover is rotated to the second position by the flip structure, the bottom surface of the housing being at a predetermined angle to the resting plane, the flip structure supporting the housing.
3. The projector housing structure of claim 1 wherein the axis of the shaft is parallel to the bottom of the housing and the first side of the housing, wherein the first side has a lens hole for exposing the lens of the projector.
4. The projector housing structure of claim 1 wherein the spindle is a damped spindle, a spring spindle, or a pin spindle.
5. A projector, characterized in that the projector comprises:
a projector housing structure as claimed in any of claims 1 to 4;
the optical machine is arranged in the shell of the projector shell structure; and
the projector lens is arranged in the shell and connected with the optical machine;
the shell is provided with a lens hole, and the projector lens is exposed through the lens hole.
6. The projector as defined in claim 5, further comprising:
the control system is connected with the optical machine and is used for controlling the optical machine to be opened and closed; and
the switch structure is arranged on the projector shell structure, connected with the control system and used for sensing the opening and closing of the lens cover of the projector shell structure;
when the switch structure senses that the lens cover is opened, a signal is sent to the control system, and the control system controls the optical machine to be opened; when the switch structure senses that the lens cover is closed, a signal is sent to the control system, and the control system controls the optical machine to be closed.
7. The projector of claim 6 wherein the control system is further configured to control the flip structure of the projector housing structure to rotate relative to the housing to rotate the lens cover between the first position and the second position.
8. The projector as claimed in claim 6, wherein the switch structure is an optical switch, a hall switch, or a mechanical switch.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610520571.7A CN107577107B (en) | 2016-07-05 | 2016-07-05 | Projector shell structure and projector |
| PCT/CN2016/105911 WO2018006528A1 (en) | 2016-07-05 | 2016-11-15 | Projector shell structure and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610520571.7A CN107577107B (en) | 2016-07-05 | 2016-07-05 | Projector shell structure and projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107577107A CN107577107A (en) | 2018-01-12 |
| CN107577107B true CN107577107B (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610520571.7A Active CN107577107B (en) | 2016-07-05 | 2016-07-05 | Projector shell structure and projector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107577107B (en) |
| WO (1) | WO2018006528A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873574B (en) * | 2018-06-26 | 2021-01-05 | 苏州佳世达光电有限公司 | Automatic lens protection device and projector using same |
| WO2024007139A1 (en) * | 2022-07-05 | 2024-01-11 | 合肥英睿系统技术有限公司 | Lens cap assembly, handheld aiming device and power-on/power-off control circuit thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012242639A (en) * | 2011-05-20 | 2012-12-10 | Seiko Epson Corp | Projector |
| CN203054432U (en) * | 2010-08-26 | 2013-07-10 | Nec显示器解决方案株式会社 | Lens cover mechanism of projection type display apparatus |
| CN204631432U (en) * | 2015-04-29 | 2015-09-09 | 深圳市光峰光电技术有限公司 | Projector |
| CN204694984U (en) * | 2015-03-16 | 2015-10-07 | 深圳市绎立锐光科技开发有限公司 | Projector |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3092889U (en) * | 2002-09-19 | 2003-04-04 | 船井電機株式会社 | Image display projector |
| JP2006227413A (en) * | 2005-02-18 | 2006-08-31 | Mitsubishi Electric Corp | Projection-type display apparatus |
| CN101114110B (en) * | 2006-07-27 | 2010-05-12 | 中强光电股份有限公司 | Lens cap device |
| WO2009137600A2 (en) * | 2008-05-07 | 2009-11-12 | Weiss David G | Computer, pda or telephone lens cover |
| CN201340511Y (en) * | 2009-01-09 | 2009-11-04 | 日立数字映像(中国)有限公司 | Automatic opening or closing lens cap component |
| US7878719B1 (en) * | 2009-09-30 | 2011-02-01 | Shin Zu Shing Co., Ltd. | Sliding lens cap |
| JP2015014723A (en) * | 2013-07-05 | 2015-01-22 | 株式会社ニコン | Projection device and opening and closing mechanism |
| CN205334046U (en) * | 2015-09-01 | 2016-06-22 | 深圳市中影院线有限公司 | Bullet lid formula lens cap of projector structure |
-
2016
- 2016-07-05 CN CN201610520571.7A patent/CN107577107B/en active Active
- 2016-11-15 WO PCT/CN2016/105911 patent/WO2018006528A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203054432U (en) * | 2010-08-26 | 2013-07-10 | Nec显示器解决方案株式会社 | Lens cover mechanism of projection type display apparatus |
| JP2012242639A (en) * | 2011-05-20 | 2012-12-10 | Seiko Epson Corp | Projector |
| CN204694984U (en) * | 2015-03-16 | 2015-10-07 | 深圳市绎立锐光科技开发有限公司 | Projector |
| CN204631432U (en) * | 2015-04-29 | 2015-09-09 | 深圳市光峰光电技术有限公司 | Projector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018006528A1 (en) | 2018-01-11 |
| CN107577107A (en) | 2018-01-12 |
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