CN105652568B - Projector - Google Patents
Projector Download PDFInfo
- Publication number
- CN105652568B CN105652568B CN201610229183.3A CN201610229183A CN105652568B CN 105652568 B CN105652568 B CN 105652568B CN 201610229183 A CN201610229183 A CN 201610229183A CN 105652568 B CN105652568 B CN 105652568B
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- CN
- China
- Prior art keywords
- switching
- pipe
- projecting apparatus
- teeth change
- projected
- Prior art date
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Geometry (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Abstract
The invention discloses a projector. The projector comprises a signal input unit for receiving image information, an optical imaging unit used for modulating light emitted from a light source according to the input image information so as to form an optical image, an image output unit used for outputting the image information, and a switching device arranged at the bottom of the front end of the projector, wherein the switching device comprises a hollow cylindrical switching upper tube arranged at the lower part of the projector, switching pins movably connected in the switching upper tube and a switching transmission assembly; the switching pins are arranged in the switching upper tube and can stretch up and down; and the switching transmission assembly can be used for controlling the switching pins to stabilize the projector at different heights. A projector user can easily change the front photographing angle according to the projector setting situation, and imaging is not limited by a flat imaging surface due to the unique setting of an identification unit and a processing unit, so that the integral operability can be improved.
Description
Technical field
The present invention relates to image processing technique field, more particularly to a kind of projecting apparatus.
Background technology
Projecting apparatus is a kind of projection arrangement for amplifying display image, have been widely used at present meeting room demonstration and
Film is watched on giant-screen by equipment such as connection DVD players in family.At the cinema, old cinefilm has also been replaced
Digital cinema projector, is used as the screen towards hard disk digital data.
The principle of projecting apparatus display image is that first light is irradiated on image-displaying member to produce image, is then passed through
Camera lens is projected.The image-displaying member of projecting apparatus includes producing the infiltration type of image and using reflected light generation using printing opacity
The reflection-type of image.No matter which type, is all that the light of projection lamp is divided into into the color of red, green, blue 3, then produces shades of colour
Image.Because element itself can only carry out monochromatic display, therefore will respectively generate 3 color compositions using 3 pieces of elements.Then again
This 3 color image is synthesized by 1 image by prism, is projected on screen finally by camera lens.Using image-displaying member, point
Not Chan Sheng the color image of red, green, blue 3, then by synthesis projected.
Image-displaying member includes 3 classes, wherein having 2 classes using liquid crystal：Using the permeation type liquid crystal of light transmission type liquid crystal
Element and using can reflected light reflective LCD element.Latter element is DMD (digital micromirror elements), and each pixel is used
One micro mirror, by changing the direction of reflected light image is generated.
Permeation type liquid crystal element generates the principle of image and has been widely used as the liquid crystal display of common computer display screen
It is identical.In Japan, Seiko Epson and company of Sony two have begun to provide this element.The liquid crystal cell of projecting apparatus is to use
The manufacture of high temperature polysilicon liquid crystal.Because it is different from regular liquid crystal display, it is amplified to by the image for generating small pixel
Projected after hundreds times, therefore, extremely small defect all clearly can need at a relatively high after amplifying when manufacture
Precision.The operation principle of permeation type liquid crystal element is identical with liquid crystal display.After power direction will for liquid crystal molecule
Change, adjusted by the direction of liquid crystal molecule and whether allow light to pass through, white and black are shown with this.
Projecting apparatus in the market, front support end is mostly fixed, is unfavorable for adjusting crevice projection angle, and it is projected
Imaging is affected larger by mapping surface evenness.
The content of the invention
The purpose of this part is to summarize some aspects of embodiments of the invention and briefly introduce some preferable enforcements
Example.May do in this part and the description of the present application summary and denomination of invention a little simplified or omit to avoid making our department
Point, the purpose of specification digest and denomination of invention obscure, and this simplification or omission cannot be used for limiting the scope of the present invention.
In view of problem present in above-mentioned and/or existing projecting apparatus, it is proposed that the present invention.
Therefore, one of purpose of the invention is to provide a kind of projecting apparatus.
To solve above-mentioned technical problem, according to an aspect of the present invention, the invention provides following technical scheme：It is a kind of
Projecting apparatus, including signal input unit, to receive image information；Optical image unit, according to the image information pair being input into
The light projected from light source is modulated and forms optical image；Image output unit, exports above-mentioned image information；It also includes, if
The switching device in front of projector bottom is put, the switching device allows hand over the high and low position of projector, wherein, institute
Switching device is stated, it includes being arranged in the switching of the hollow cylinder of projecting apparatus bottom manages, is movably connected in the upper pipe of switching
Switching leg and switching transmission component, the switching leg is arranged in the upper pipe of switching can be stretched up and down, and the switching is passed
Dynamic component can control switching leg, and the projecting apparatus is stable in the position of differing heights.
As a kind of preferred version of projecting apparatus of the present invention, wherein：The switching transmission component include high-order tooth pipe,
Teeth change pipe, by knob pipe and high-order spring；The high-order tooth pipe is the hollow cylinder for dividing into upper space and lower space
Body, wherein, the internal diameter of upper space more than lower space internal diameter, thus, the different upper space of internal diameter and lower space
Junction, that is, define contact site, and the contact site circumferentially arranges the raised high position tooth of M shapes of several point upwards, M shapes
Non-conterminous two is straight up straight flange in high-order tooth four edges, and the angle that two other side is formed with vertical both sides is
60 °～80 °, be hypotenuse, and the inner surface setting of lower space has switching elongated slot penetrating up and down, between adjacent switching elongated slot between
Every the high-order tooth of at least one M shapes.
As a kind of preferred version of projecting apparatus of the present invention, wherein：The teeth change pipe is hollow cylinder, is switched
Tooth tube outer surface is provided with the gib block being engaged with switching elongated slot, and teeth change pipe lower end circumferentially arranges several and joins end to end
The teeth change of V-arrangement convex a, teeth change includes two adjacent intersecting folding faces, and the top surface of gib block is guiding surface, and
A teeth change is at least spaced between two adjacent gib blocks.
As a kind of preferred version of projecting apparatus of the present invention, wherein：Described is with raised driving by knob pipe
The cylinder of bar, the driving bar upper end is the sliding tooth at inverted V-shaped tip, drives bar to match with the switching elongated slot of high-order tooth pipe
Close.
As a kind of preferred version of projecting apparatus of the present invention, wherein：The high-order tooth pipe is fixed on switching device
On projecting apparatus bottom in switching in pipe, the bottom in switching leg is fixedly connected on by knob pipe lower end, teeth change pipe passes through
One is movably connected in by knob pipe inner bottom through element coaxial, and teeth change pipe lower end is lived with the distance by knob pipe upper end
It is dynamic to be connected to 1～2mm, and teeth change pipe can freely be rotated around this through part.
As a kind of preferred version of projecting apparatus of the present invention, wherein：The high-order tooth pipe and can be by knob pipe
Up and down in the endoporus of high-order tooth pipe, high-order spring is arranged between switching leg and the upper pipe of switching；Once switching is filled for pressing
Put, high-order tooth pipe can block teeth change pipe, and projecting apparatus is in low level configuration state, then presses a switching device, and high-order tooth pipe is put
Teeth change pipe is opened, by the effect projecting apparatus of high-order spring one end distance is risen, device is in high-order configuration state.
As a kind of preferred version of projecting apparatus of the present invention, wherein：Also include, recognition unit, thrown to gather
The information in face is penetrated, self-identifying unit is obtained to the range data information for being projected face and is fed back to processing unit；And, place
Reason unit, including mainboard module, drive module and power module, power module provides what is needed by external power source for projecting apparatus
Voltage source, mainboard module and drive module composition can process the functional part of multimedia file, to the face that is projected
Information is processed, and when the face that is projected is plane, the processing unit does not process image information；When the face that is projected is on-plane surface
When, it is visual two that the processing unit processes image information causes the image that Jing image output units are projected to the face of being projected
Dimensional plane images.
As a kind of preferred version of projecting apparatus of the present invention, wherein：The recognition unit includes signal emission element
And signal receiving part, the signal of the signal emission element transmitting CF, the signal receiving part reception specific frequency
The signal of rate, when recognizing that direction runs into barrier, signal reflex returns to be received by the signal receiving part, and feeds back to institute
State processing unit.
As a kind of preferred version of projecting apparatus of the present invention, wherein：The processing unit carries out net to image information
Format matrix zoning, with D2Pixel be a matrix unit, divide into N number of picture element matrix unit, due to projecting apparatus it is total
What pixel value was fixed, according near big and far smaller visual theory, in N number of picture element matrix unit, the distance values of each range finding, away from
Picture element matrix area away from more is less, and the nearer picture element matrix area of distance is bigger, and minimum distance is average with maximum distance
Value does not make pixel change, and the correction value of picture element matrix unit is equal to actual range divided by [(ultimate range+minimum range) is removed again
With 2], then D is multiplied by, it is exactly final processing array pixel value, Jing projector images output unit exports above-mentioned image information, i.e.,
So that the image for being projected to the face of being projected is visual two-dimensional image.
The beneficial effects of the present invention is：This kind of structure of root Ju, projecting apparatus possesses the handoff functionality of high-low-position, therefore,
It is more beneficial for the adjustment of crevice projection angle.The user of projecting apparatus can easily change front end according to the setting situation of projecting apparatus
The angle of photography, and, the unique setting of recognition unit and processing unit causes imaging to be no longer only limited by smooth imaging surface,
Improve overall operability.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to use needed for embodiment description
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, can be obtaining other according to these accompanying drawings
Accompanying drawing.Wherein：
Fig. 1 is projecting apparatus overall structure diagram of the present invention, is die portion to show each construction unit in figure
Exceptionally shell；
Fig. 2 is the structural representation of recognition unit in projecting apparatus of the present invention；
Fig. 3 is the structural representation of optical image unit and image output unit in projecting apparatus of the present invention；
Fig. 4 is projecting apparatus overall structure diagram of the present invention；
Fig. 5 is overall structure diagram of the projecting apparatus of the present invention from bottom views；
Fig. 6 is the structural representation of high-order tooth pipe in projecting apparatus of the present invention；
Fig. 7 is that the inside of high-order tooth pipe in projecting apparatus of the present invention is decided what is right and what is wrong structural representation；
Fig. 8 is the structural representation of teeth change pipe in projecting apparatus of the present invention；
Fig. 9 is by the structural representation of knob pipe in projecting apparatus of the present invention；
Figure 10 is switching device in projecting apparatus of the present invention in low level structural representation；
Figure 11 is switching device in projecting apparatus of the present invention in elevation structural schematic diagram；
Figure 12 is switching device internal explosion structural representation in projecting apparatus of the present invention；
Figure 13 is switching device internal structure and its cross-sectional schematic in projecting apparatus of the present invention；
Figure 14 is the structural representation coordinated by knob pipe and teeth change pipe of switching device in projecting apparatus of the present invention.
Specific embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent from, with reference to Figure of description pair
The specific embodiment of the present invention is described in detail.
Many details are elaborated in the following description in order to fully understand the present invention, but the present invention can be with
It is different from alternate manner described here to implement using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
Secondly, " one embodiment " or " embodiment " referred to herein is referred to and may be included at least one realization side of the invention
Special characteristic, structure or characteristic in formula." in one embodiment " that in this manual different places occur not refers both to
Same embodiment, nor single or selectively mutually exclusive with other embodiment embodiment.
Embodiment 1
As shown in figure 1, the projecting apparatus in one embodiment includes, signal input unit 100, optical image unit 200, figure
As output unit 300 and switching device 600.
Signal input unit 100 be multi-functional attachment means, to receive external multimedia electrical equipment for example computer, TV,
The multimedia messages such as mobile phone and the image of various players output, it is defeated comprising USB, HDMI, Micro-USB, AV interface, RF radio frequencies
Incoming interface, USB interface port and S-video etc.；Recognition unit 400, to the information for gathering the face of being projected, obtains self-identifying list
Unit is to the range data information for being projected face and feeds back to processing unit；Processing unit 500, to the letter for being projected face
Breath is processed, and when the face that is projected is plane, processing unit does not process image information；When the face that is projected is on-plane surface, place
It is visual 2 d plane picture that reason cell processing image information causes the image that Jing image output units are projected to the face of being projected
Picture.
As shown in figure 3, image output unit 300 is the projection convex lens lens head with dustproof glass.
Optical image unit 200, including the radiating of light driving circuit plate 201, imaging drive radiating block 201a, imaging drive
Fan 201a, metal halide lamp 202, the first speculum 203, red dichroic mirrors 204a, green dichroic mirror 204b, red reflex
Mirror 205a, green first speculum 205b, green second speculum 205c, red liquid crystal panel 206a, blue liquid crystal panel
206b, green liquid crystal panel 206c and prism 207.
Imaging drive radiating block 201a and imaging drive radiator fan 201a are to light driving circuit plate 201 and metal halide
The heat that thing lamp 202 is produced carries out radiating treatment, and to ensure the normal operation of its work, light driving circuit plate 201 will be conveyed
The multi-medium data for coming is converted into light signal and is sent out with optical signal by metal halide lamp 202, optical signal run into
First speculum 203 of the metal halide lamp 202 in 45 ° of settings, it is defeated that optical signals are laterally switched to the first speculum 203 longitudinal direction
Send, red dichroic mirrors 204a are in the front of the first speculum 203 and vertical with the first speculum 203, so red dichroic mirrors 204a
It is also that, in 45 ° of directions settings, optical signal reaches red dichroic mirrors 204a, and the red light signal in optical signal passes through redness with laterally
Dichronic mirror 204a continues to be fed forward, and the blue light signal and green light signal in optical signal cannot then pass through red dichroic mirrors
204a, and by the reflection of red dichroic mirrors 204a by being changed into the horizontal side contrary with the directive of metal halide lamp 202 longitudinally forward
To conveying, red reflecting dichroic 205a is located at that red dichroic mirrors 204a are longitudinally anterior and in parallel, and red liquid crystal panel 206a sets
Shape vertical in red reflecting dichroic 205a transverse forward portions is put, so, red light signal reaches and is changed into by red reflecting dichroic 205a
Lateral transfer, red light signal is continued transported on red liquid crystal panel 206a.
Green dichroic mirror 204b is arranged on the horizontal front of red dichroic mirrors 204a, and parallel with red dichroic mirrors 204a, green
Color the first speculum 205b is arranged on the horizontal fronts of green dichroic mirror 204b, and parallel with green dichroic mirror 204b, green second
Speculum 205c is arranged on green first speculum 205b longitudinally forward, and vertical with green first speculum 205b, blue liquid
Crystal panel 206b is horizontal to be arranged on green dichroic mirror 204b longitudinally forward, and the vertical shapes of green liquid crystal panel 206c are arranged on green
The horizontal fronts of second speculum 205c, red liquid crystal panel 206a, blue liquid crystal panel 206b and green liquid crystal panel 206c enclose
Into a " u "-shaped, prism 207 is arranged in " u "-shaped, and image output unit 300 is arranged on " u "-shaped open face.
Blue light signal and green light signal are transported on green dichroic mirror 204b, and blue light signal cannot be penetrated and reflected
It is transported to longitudinally forward afterwards on blue liquid crystal panel 206b, green light signal penetration green dichronic mirror 204b, then Jing respectively
The reflection of green first speculum 205b and green second speculum 205c is crossed, green liquid crystal panel 206c, red light is delivered to
Signal, blue light signal and green light signal are incorporated into image output unit 300 and project in the form of images by prism 207
Go.
Signal input unit 100 by external multimedia electrical equipment for example computer, TV, mobile phone and various players output image
Deng Transmitting of Multi-media Information to projecting apparatus processing component.Imaging drive radiating block 201a and imaging drive radiator fan 201a pair
The heat that light driving circuit plate 201 and metal halide lamp 202 are produced carries out radiating treatment, to ensure the normal fortune of its work
OK, light driving circuit plate 201 processing unit 500 is conveyed the multi-medium data for coming and is converted into light signal by metal halide
Thing lamp 202 is sent out with optical signal, and optical signal runs into the first speculum 203, and the first speculum 203 laterally turns optical signals
For longitudinally fed, optical signal reaches red dichroic mirrors 204a, the red light signal in optical signal pass through red dichroic mirrors 204a after
Continuous to be fed forward, the blue light signal and green light signal in optical signal cannot then pass through red dichroic mirrors 204a, and red
Dichronic mirror 204a reflections are conveyed by the horizontal direction contrary with the directive of metal halide lamp 202 is changed into longitudinally forward, red light
Signal reaches and is changed into lateral transfer by red reflecting dichroic 205a, and red light signal continues transported to red liquid crystal panel 206a
On.
Blue light signal and green light signal are transported on green dichroic mirror 204b, and blue light signal cannot be penetrated and reflected
It is transported to longitudinally forward afterwards on blue liquid crystal panel 206b, green light signal penetration green dichronic mirror 204b, then Jing respectively
The reflection of green first speculum 205b and green second speculum 205c is crossed, green liquid crystal panel 206c, red light is delivered to
Signal, blue light signal and green light signal are incorporated into image output unit 300 and project in the form of images by prism 207
Go, that is, the image for causing to be projected to the face of being projected is visual two-dimensional image.
As shown in Figure 10～14, switching device 600 includes being arranged in the switching of the hollow cylinder of projecting apparatus bottom 601
Pipe 602, the switching leg 603 being movably connected in the upper pipe 602 of switching and switching transmission component 610, switch the upper end of leg 603
Outside is provided with spacing preiection 603a, and the hollow lower end inside of pipe 602 is provided with what is be engaged with spacing preiection 603a in switching
Stop projection 602a, thus, the cooperation of spacing preiection 603a and stop projection 602a, the extreme higher position to stretching is limited
System.Switching leg 603 is arranged in the upper pipe 602 of switching, and can be stretched up and down, and its telescopic extensions is the He of projecting apparatus bottom 601
In switching in the range of the bottom (stopping projection 602a) of pipe 602.
Switching transmission component 610 is including high-order tooth pipe 620, teeth change pipe 630, by knob pipe 640 and high-order spring 650.
High-order tooth pipe 620 is hollow cylinder of the lower inner diameter less than upper inner diameter, the portion of the less protrusion of the high-order lower inner diameter of tooth pipe 620
The raised high position tooth 621 of " M " shape of several point upwards is circumferentially set at the top of point, in the four edges of high-order tooth 621 of " M " shape not
Straight up, the angle that two other side is formed with vertical both sides is 60 °～80 ° to adjacent two, adjacent high-order tooth 621
Between be provided with the upwardly extending up and down penetrating switching elongated slot 624 of the low portion inner surface of high-order tooth pipe 620.
Specifically, as shown in Figure 6,7, high-order tooth pipe 620 is the sky for dividing into upper space 620a and lower space 620b
Heart cylinder, wherein, the internal diameter of upper space 620a is more than the internal diameter of lower space 620b, thus, the different top of internal diameter is empty
Between 620a and lower space 620b junction, that is, define contact site, the contact site circumferentially arrange several tips to
On the raised high position tooth 621 of " M " shape, in the four edges of high-order tooth 621 of " M " shape non-conterminous two straight up, be straight flange
622, the angle that two other side is formed with vertical both sides is 60 °～80 °, is hypotenuse 623, the inner surface of lower space 620b
Switching elongated slot 624 penetrating up and down is provided with, the high-order tooth of at least one " M " shape is spaced between adjacent switching elongated slot 624
621.Certainly, in the embodiment shown in Fig. 5 and Figure 11, illustrate only the shape of the high-order tooth 621 of one " M " shape in interval
State.
As shown in figure 8, teeth change pipe 630 is hollow cylinder, the outer surface of teeth change pipe 630 is provided with and switching elongated slot
624 gib blocks 632 being engaged, the lower end of teeth change pipe 630 circumferentially arranges the switching of several " V " shape convex that join end to end
Tooth 631, specifically, a teeth change 631 includes two adjacent intersecting folding face 631a.The top surface of gib block 632 is to be oriented to
Inclined-plane 634, the guiding surface 634 is characterized in that：One guiding surface 634 includes or it can be said that constitutes switching
A folding face 631a in the " V " shape groove of tooth 631, so the top of gib block 632 is a guiding surface 634, and two adjacent
Gib block 632 between be at least spaced a teeth change 631.
As shown in figure 9, it is columned by the driving bar 641 that its surface of protrusion is provided with knob pipe 640, drive bar 641
Lower end is the sliding tooth 642 at " V " shape tip, drives bar 641 to protrude from the columned upper end-face edge by knob pipe 640, and
It is engaged with the switching elongated slot 624 of high-order tooth pipe 620, thus, driving under the sliding tooth 642 and teeth change pipe 630 of the lower end of bar 641
Mutually activity coordinates the teeth change 631 at end, " mutually activity coordinates " described herein, refers specifically to：The sliding tooth at " V " shape tip
642 are engaged with the teeth change 631 of several " V " shape convex that join end to end, and being capable of relative motion." phase mentioned here
Coordinate ", referring to Figure 12, not the " V " shape of lucky " falling " or " correspondence " teeth change 631 in " V " shape tip of sliding tooth 642 is convex
In the breach on the top risen, but " correspondence " forms the folding face 631a of a not least point of the " V " shape projection of teeth change 631
On, thus, when gib block 632 " disengaging " switch elongated slot 624 it is spacing continue up when, sliding tooth 642 can give and be oriented to
Bar 632 1 can compel the power for bringing it about relative rotary motion.
As shown in Figure 12～14, high-order tooth pipe 620 is fixed in the switching of switching device 600 the projecting apparatus bottom in pipe 602
In portion 601, the bottom in switching leg 603 is fixedly connected on by the lower end of knob pipe 640, teeth change pipe 630 is run through by one
Part 660 is coaxially movably connected in by the inner bottom of knob pipe 640, the lower end of teeth change pipe 630 with by the upper end of knob pipe 640 away from
From being movably connected in 1～2mm, and teeth change pipe 630 can freely be rotated around this through part 660, and high-order tooth pipe 620 is by being oriented to
Bar 632 coordinates with the activity of switching elongated slot 624, is coordinated with the activity of switching elongated slot 624 by driving bar 641 by knob pipe 640, switching
Tooth pipe 630 and can be up and down in the internal cavities of high-order tooth pipe 620 by knob pipe 640, high-order spring 650 is arranged on to be cut
Change between leg 603 and the upper pipe 602 of switching.
As shown in Figure 10,12,13,14, projecting apparatus is pressed, high-order tooth pipe 620 declines, when the teeth change of teeth change pipe 630
631 higher than high-order tooth pipe 620 high-order tooth 621 when, the gib block 632 of teeth change pipe 630 is overall all sliding from switching elongated slot 624
Go out, a guiding surface 634 of the teeth change 631 of teeth change pipe 630 is extruded by the tip of the sliding tooth 642 of knob pipe 640, together
When extruding outside gib block 632 top guiding surface 634, teeth change pipe 630 is subject to the extruding force in the direction of guiding surface 634 to revolve
Turn certain angle, gib block 632 and switching elongated slot 624 in the vertical direction are being not same positions, projecting apparatus are unclamped, by a high position
The recovery elastic force of spring 650, projecting apparatus rises with high-order tooth pipe 620, and to high-order tooth 621 is pushed up on the top of gib block 632
Hypotenuse 623, being eventually led to the top of bar 632 can push up in the intermediate groove of high-order tooth 621 " M " shape, and high-order tooth pipe 620 is not upper
Rise, now whole equipment is in low level configuration state.
As shown in Figure 11～14, projecting apparatus is pressed again, high-order tooth pipe 620 declines, when the teeth change of teeth change pipe 630
631 is higher than that when the high-order tooth 621 of high-order tooth pipe 620, the gib block 632 of teeth change pipe 630 is overall " de- from high-order tooth 621
Go out ", a guiding surface 634 of the teeth change 631 of teeth change pipe 630 is extruded by the tip of the sliding tooth 642 of knob pipe 640,
Teeth change pipe 630 is subject to the extruding force in the direction of guiding surface 634 to rotate to an angle, and projecting apparatus is unclamped, by high-order spring 650
Recover elastic force, high-order tooth pipe 620 rises, and another hypotenuse 623 to high-order tooth 621 is pushed up on the top of gib block 632, is eventually led to bar
632 bottoms can be slided in the switching elongated slot 624 being connected with the hypotenuse 623, and high-order tooth pipe 620 continuously rises to switch upper pipe 602
Top, now whole equipment is in high-order configuration state.
Embodiment 2
As shown in figure 1, the projecting apparatus in one embodiment includes, signal input unit 100, optical image unit 200, figure
As output unit 300, recognition unit 400, processing unit 500 and switching device 600.
Signal input unit 100 be multi-functional attachment means, to receive external multimedia electrical equipment for example computer, TV,
The multimedia messages such as mobile phone and the image of various players output, it is defeated comprising USB, HDMI, Micro-USB, AV interface, RF radio frequencies
Incoming interface, USB interface port and S-video etc.；Recognition unit 400, to the information for gathering the face of being projected, obtains self-identifying list
Unit is to the range data information for being projected face and feeds back to processing unit；Processing unit 500, to the letter for being projected face
Breath is processed, and when the face that is projected is plane, processing unit does not process image information；When the face that is projected is on-plane surface, place
It is visual 2 d plane picture that reason cell processing image information causes the image that Jing image output units are projected to the face of being projected
Picture.
As shown in Fig. 2 recognition unit 400 includes signal emission element 401, signal receiving part 402, identification signal transacting
Surface-mounted integrated circuit 403 and identification signal driving plate 404, signal emission element 401 includes camera 401a and infrared sensor
401b, camera 401a goes to take pictures to projection target, and infrared sensor 401b launches the signal of CF, and signal is received
Part 402 receives the set specific frequency signal reflected through projection target area, camera 401a take pictures data and signal connects
The infrared data that receipts part 402 is received is processed into data signal through identification signal processing integrated circuit plate 403, by identification
Signal driving plate 404 is transferred to processing unit 500.
As shown in figure 3, image output unit 300 is the projection convex lens lens head with dustproof glass.
Optical image unit 200, including the radiating of light driving circuit plate 201, imaging drive radiating block 201a, imaging drive
Fan 201a, metal halide lamp 202, the first speculum 203, red dichroic mirrors 204a, green dichroic mirror 204b, red reflex
Mirror 205a, green first speculum 205b, green second speculum 205c, red liquid crystal panel 206a, blue liquid crystal panel
206b, green liquid crystal panel 206c and prism 207.
Imaging drive radiating block 201a and imaging drive radiator fan 201a are to light driving circuit plate 201 and metal halide
The heat that thing lamp 202 is produced carries out radiating treatment, and to ensure the normal operation of its work, light driving circuit plate 201 will be processed
The multi-medium data that the conveying of unit 500 comes is converted into light signal and is sent out with optical signal by metal halide lamp 202, light
Signal runs into and first speculum 203 of the metal halide lamp 202 in 45 ° of settings, and the first speculum 203 is horizontal by optical signals
Switch to longitudinally fed, red dichroic mirrors 204a are in the front of the first speculum 203 and vertical with the first speculum 203, so red
Dichronic mirror 204a is also that, in 45 ° of directions settings, optical signal reaches red dichroic mirrors 204a with laterally, the red light letter in optical signal
Number pass through red dichroic mirrors 204a and continue to be fed forward, the blue light signal and green light signal in optical signal then cannot pass through red
Color dichronic mirror 204a, and reflect contrary with the directive of metal halide lamp 202 by being changed into longitudinally forward by red dichroic mirrors 204a
Horizontal direction conveying, it is longitudinally anterior and in parallel that red reflecting dichroic 205a is located at red dichroic mirrors 204a, red liquid crystal face
Plate 206a is arranged on the vertical shape of red reflecting dichroic 205a transverse forward portions, so, red light signal reaches and by red reflecting dichroic
205a is changed into lateral transfer, and red light signal is continued transported on red liquid crystal panel 206a.
Green dichroic mirror 204b is arranged on the horizontal front of red dichroic mirrors 204a, and parallel with red dichroic mirrors 204a, green
Color the first speculum 205b is arranged on the horizontal fronts of green dichroic mirror 204b, and parallel with green dichroic mirror 204b, green second
Speculum 205c is arranged on green first speculum 205b longitudinally forward, and vertical with green first speculum 205b, blue liquid
Crystal panel 206b is horizontal to be arranged on green dichroic mirror 204b longitudinally forward, and the vertical shapes of green liquid crystal panel 206c are arranged on green
The horizontal fronts of second speculum 205c, red liquid crystal panel 206a, blue liquid crystal panel 206b and green liquid crystal panel 206c enclose
Into a " u "-shaped, prism 207 is arranged in " u "-shaped, and image output unit 300 is arranged on " u "-shaped open face.
Blue light signal and green light signal are transported on green dichroic mirror 204b, and blue light signal cannot be penetrated and reflected
It is transported to longitudinally forward afterwards on blue liquid crystal panel 206b, green light signal penetration green dichronic mirror 204b, then Jing respectively
The reflection of green first speculum 205b and green second speculum 205c is crossed, green liquid crystal panel 206c, red light is delivered to
Signal, blue light signal and green light signal are incorporated into image output unit 300 and project in the form of images by prism 207
Go.
As shown in Figures 4 and 5, processing unit 500 includes mainboard module 501, drive module 502, power module 503, radiating
Module 504 and radiator fan 505, power module 503 provides required voltage power supply, radiating mould by external power source for projecting apparatus
Block 504 and radiator fan 505 radiate for processing unit 500, and mainboard module 501 and drive module 502 constitute one and can process
The functional part of multimedia file.
Signal input unit 100 by external multimedia electrical equipment for example computer, TV, mobile phone and various players output image
Deng Transmitting of Multi-media Information to processing unit 500.
The camera 401a of recognition unit 400 goes to take pictures to projection target, and infrared sensor 401b launches specific frequency
The signal of rate, signal receiving part 402 receives the set specific frequency signal reflected through projection target area, camera 401a's
The infrared data that data of taking pictures and signal receiving part 402 are received is processed into through identification signal processing integrated circuit plate 403
Data signal, by recognizing that signal driving plate 404 is transferred to processing unit 500, information is carried out gridding square by processing unit 500
Battle array zoning, with D2Pixel is a matrix unit, N number of picture element matrix unit is divided into, due to the total pixel value of projecting apparatus
Fixed, according to the visual theory of " near big and far smaller ", in N number of picture element matrix unit, the distance values of each range finding, distance is got over
Remote picture element matrix area is less, and the nearer picture element matrix area of distance is bigger, and the mean value of minimum distance and maximum distance is not
Make pixel change, the correction value of picture element matrix unit be equal to actual range divided by [(ultimate range+minimum range) again divided by
2], then D is multiplied by, is exactly final processing array pixel value, the view data Jing after the process of processing unit 500 is conveyed to light and studies
As unit 200.
Imaging drive radiating block 201a and imaging drive radiator fan 201a are to light driving circuit plate 201 and metal halide
The heat that thing lamp 202 is produced carries out radiating treatment, and to ensure the normal operation of its work, light driving circuit plate 201 will be processed
The multi-medium data that the conveying of unit 500 comes is converted into light signal and is sent out with optical signal by metal halide lamp 202, light
Signal runs into the first speculum 203, and optical signals are laterally switched to the first speculum 203 longitudinally fed, optical signal arrival redness
Dichronic mirror 204a, the red light signal in optical signal is passed through red dichroic mirrors 204a and continues to be fed forward, the blueness in optical signal
Optical signal and green light signal cannot then pass through red dichroic mirrors 204a, and by the reflection of red dichroic mirrors 204a by turning longitudinally forward
It is changed into the horizontal direction conveying contrary with the directive of metal halide lamp 202, red light signal reaches and by red reflecting dichroic 205a
It is changed into lateral transfer, red light signal is continued transported on red liquid crystal panel 206a.
Blue light signal and green light signal are transported on green dichroic mirror 204b, and blue light signal cannot be penetrated and reflected
It is transported to longitudinally forward afterwards on blue liquid crystal panel 206b, green light signal penetration green dichronic mirror 204b, then Jing respectively
The reflection of green first speculum 205b and green second speculum 205c is crossed, green liquid crystal panel 206c, red light is delivered to
Signal, blue light signal and green light signal are incorporated into image output unit 300 and project in the form of images by prism 207
Go, that is, the image for causing to be projected to the face of being projected is visual two-dimensional image.
Specifically, in this embodiment, projecting apparatus Conventional projection pixel be 1024*768, the skill for solving as needed
Art problem, i.e., be mapped to video on irregular metope and obtain the smooth picture of visual angle.Accordingly, it would be desirable to first to pixel
Carry out gridding matrix zoning.This matrix density can be adjusted according to actual needs.With 102*102, (i.e. now D takes
102) pixel is a matrix unit, can obtain horizontal a1-a10 row, can longitudinally obtain (the famous b8 behaviors of b1-b8 row
Hemistich).
Because the total pixel value of projecting apparatus is to be limited to 1024*768, so according to the visual theory of " near big and far smaller ",
In 80 picture element matrix units, the distance values of each range finding, the more remote picture element matrix area of distance is less, the nearer picture of distance
Prime matrix area is bigger.And minimum distance is not make pixel change with the mean value of maximum distance.So, picture element matrix unit
Correction value be equal to actual range divided by [(ultimate range+minimum range) is again divided by 2], then be multiplied by 102, be exactly final square
Battle array pixel value.
Recognition unit 400 can be recognized using noctovisor scan, and by infrared ray distance value can be obtained, and in order to realize
The distance of most easy acquisition matrix, it is possible to design an infrared matrix, the total projection of the infrared projection matrix of 10 heads
Angle is consistent with the projection breadth of the camera lens of projecting apparatus.For example, the imaging breadth of projection is 30 degree of angles, then, infrared matrix
Arrangement is just carried out transversely arranged with 3 degree as unit, so can disposably obtain 10 groups of distance values, is then longitudinally measured again
8 times, the numerical value of 80 groups of distances was both obtained.
The central point distance of such as a1b1 matrix units is d1, and the central point distance of a2b2 matrix units is d2, with such
The central point distance for pushing away a80b80 matrix units is d80.80 numerical value for so obtaining just very easily read distance
Maxima and minima.So acquisition mean value is exactly the maximum plus minimum of a value of distance again divided by 2.Median matrix unit
Pixel is not changed into 102*102, and the pixel value of other matrix units just can obtain corresponding change according to formula above.Total
Principle is exactly near big and far smaller, and the nearer matrix unit pixel value of distance is bigger, and the more remote matrix unit pixel value of distance is less.So
Afterwards by Mesh Smoothing technology, the irregular metope that projects to just obtained in the case where original 1024*768 pixels are limited obtains visual angle
The purpose of the regular image for being taken.
As shown in Figure 10～14, switching device 600 includes, is arranged on the switching of the hollow cylinder of projecting apparatus bottom 601
Upper pipe 602, the switching leg 603 being movably connected in the upper pipe 602 of switching and switching transmission component 610, switch the upper of leg 603
End outside is provided with spacing preiection 603a, and the hollow lower end inside of pipe 602 is provided with and is engaged with spacing preiection 603a in switching
Stop projection 602a, thus, spacing preiection 603a and stop the cooperation of projection 602a, flexible extreme higher position is limited
System.Switching leg 603 is arranged in the upper pipe 602 of switching, and can be stretched up and down, and its telescopic extensions is the He of projecting apparatus bottom 601
In switching in the range of the bottom (stopping projection 602a) of pipe 602.
Switching transmission component 610 is including high-order tooth pipe 620, teeth change pipe 630, by knob pipe 640 and high-order spring 650.
High-order tooth pipe 620 is hollow cylinder of the lower inner diameter less than upper inner diameter, the portion of the less protrusion of the high-order lower inner diameter of tooth pipe 620
The raised high position tooth 621 of " M " shape of several point upwards is circumferentially set at the top of point, in the four edges of high-order tooth 621 of " M " shape not
Straight up, the angle that two other side is formed with vertical both sides is 60 °～80 ° to adjacent two, adjacent high-order tooth 621
Between be provided with the upwardly extending up and down penetrating switching elongated slot 624 of the low portion inner surface of high-order tooth pipe 620.
Specifically, as shown in Figure 6,7, high-order tooth pipe 620 is the sky for dividing into upper space 620a and lower space 620b
Heart cylinder, wherein, the internal diameter of upper space 620a is more than the internal diameter of lower space 620b, thus, the different top of internal diameter is empty
Between 620a and lower space 620b junction, that is, define contact site, the contact site circumferentially arrange several tips to
On the raised high position tooth 621 of " M " shape, in the four edges of high-order tooth 621 of " M " shape non-conterminous two straight up, be straight flange
622, the angle that two other side is formed with vertical both sides is 60 °～80 °, is hypotenuse 623, the inner surface of lower space 620b
Switching elongated slot 624 penetrating up and down is provided with, the high-order tooth of at least one " M " shape is spaced between adjacent switching elongated slot 624
621.Certainly, in the embodiment shown in Fig. 5 and Figure 11, illustrate only the shape of the high-order tooth 621 of one " M " shape in interval
State.
As shown in figure 8, teeth change pipe 630 is hollow cylinder, the outer surface of teeth change pipe 630 is provided with and switching elongated slot
624 gib blocks 632 being engaged, the lower end of teeth change pipe 630 circumferentially arranges the switching of several " V " shape convex that join end to end
Tooth 631, specifically, a teeth change 631 includes two adjacent intersecting folding face 631a.The top surface of gib block 632 is to be oriented to
Inclined-plane 634, the guiding surface 634 is characterized in that：One guiding surface 634 includes or it can be said that constitutes switching
A folding face 631a in the " V " shape groove of tooth 631, so the top of gib block 632 is a guiding surface 634, and two adjacent
Gib block 632 between be at least spaced a teeth change 631.
As shown in figure 9, it is columned by the driving bar 641 that its surface of protrusion is provided with knob pipe 640, drive bar 641
Lower end is the sliding tooth 642 at " V " shape tip, drives bar 641 to protrude from the columned upper end-face edge by knob pipe 640, and
It is engaged with the switching elongated slot 624 of high-order tooth pipe 620, thus, driving under the sliding tooth 642 and teeth change pipe 630 of the lower end of bar 641
Mutually activity coordinates the teeth change 631 at end, " mutually activity coordinates " described herein, refers specifically to：The sliding tooth at " V " shape tip
642 are engaged with the teeth change 631 of several " V " shape convex that join end to end, and being capable of relative motion." phase mentioned here
Coordinate ", referring to Figure 12, not the " V " shape of lucky " falling " or " correspondence " teeth change 631 in " V " shape tip of sliding tooth 642 is convex
In the breach on the top risen, but " correspondence " forms the folding face 631a of a not least point of the " V " shape projection of teeth change 631
On, thus, when gib block 632 " disengaging " switch elongated slot 624 it is spacing continue up when, sliding tooth 642 can give and be oriented to
Bar 632 1 can compel the power for bringing it about relative rotary motion.
As shown in Figure 12～14, high-order tooth pipe 620 is fixed in the switching of switching device 600 the projecting apparatus bottom in pipe 602
In portion 601, the bottom in switching leg 603 is fixedly connected on by the lower end of knob pipe 640, teeth change pipe 630 is run through by one
Part 660 is coaxially movably connected in by the inner bottom of knob pipe 640, the lower end of teeth change pipe 630 with by the upper end of knob pipe 640 away from
From being movably connected in 1～2mm, and teeth change pipe 630 can freely be rotated around this through part 660, and high-order tooth pipe 620 is by being oriented to
Bar 632 coordinates with the activity of switching elongated slot 624, is coordinated with the activity of switching elongated slot 624 by driving bar 641 by knob pipe 640, switching
Tooth pipe 630 and can be up and down in the internal cavities of high-order tooth pipe 620 by knob pipe 640, high-order spring 650 is arranged on to be cut
Change between leg 603 and the upper pipe 602 of switching.
As shown in Figure 10,12,13,14, projecting apparatus is pressed, high-order tooth pipe 620 declines, when the teeth change of teeth change pipe 630
631 higher than high-order tooth pipe 620 high-order tooth 621 when, the gib block 632 of teeth change pipe 630 is overall all sliding from switching elongated slot 624
Go out, a guiding surface 634 of the teeth change 631 of teeth change pipe 630 is extruded by the tip of the sliding tooth 642 of knob pipe 640, together
When extruding outside gib block 632 top guiding surface 634, teeth change pipe 630 is subject to the extruding force in the direction of guiding surface 634 to revolve
Turn certain angle, gib block 632 and switching elongated slot 624 in the vertical direction are being not same positions, projecting apparatus are unclamped, by a high position
The recovery elastic force of spring 650, projecting apparatus rises with high-order tooth pipe 620, and to high-order tooth 621 is pushed up on the top of gib block 632
Hypotenuse 623, being eventually led to the top of bar 632 can push up in the intermediate groove of high-order tooth 621 " M " shape, and high-order tooth pipe 620 is not upper
Rise, now whole equipment is in low level configuration state.
As shown in Figure 11～14, projecting apparatus is pressed again, high-order tooth pipe 620 declines, when the teeth change of teeth change pipe 630
631 is higher than that when the high-order tooth 621 of high-order tooth pipe 620, the gib block 632 of teeth change pipe 630 is overall " de- from high-order tooth 621
Go out ", a guiding surface 634 of the teeth change 631 of teeth change pipe 630 is extruded by the tip of the sliding tooth 642 of knob pipe 640,
Teeth change pipe 630 is subject to the extruding force in the direction of guiding surface 634 to rotate to an angle, and projecting apparatus is unclamped, by high-order spring 650
Recover elastic force, high-order tooth pipe 620 rises, and another hypotenuse 623 to high-order tooth 621 is pushed up on the top of gib block 632, is eventually led to bar
632 bottoms can be slided in the switching elongated slot 624 being connected with the hypotenuse 623, and high-order tooth pipe 620 continuously rises to switch upper pipe 602
Top, now whole equipment is in high-order configuration state.
As can be seen here, the projecting apparatus that the present invention is provided, its user can be according to the setting situation of projecting apparatus easily
The angle of change front end photography, and, the unique of recognition unit and processing unit arranges that imaging is no longer only limited by is smooth
Imaging surface, improve overall operability.
It should be noted that above example is only unrestricted to illustrate technical scheme, although with reference to preferably
Embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the technology of the present invention
Scheme is modified or equivalent, and without deviating from the spirit and scope of technical solution of the present invention, it all should cover at this
In the middle of bright right.
Claims (3)
1. a kind of projecting apparatus, including,
Signal input unit（100）, to receive image information；
Optical image unit（200）, the light projected from light source is modulated according to the image information being input into and forms optics
Picture；
Image output unit（300）, export above-mentioned image information；It is characterized in that：Also include,
It is arranged on the switching device of front of projector bottom（600）, the switching device（600）Allow hand over projector
High and low position, wherein,
The switching device（600）, it includes being arranged in the switching of the hollow cylinder of projecting apparatus bottom manages（602）, activity
It is connected in switching and manages（602）In switching leg（603）With switching transmission component（610）, the switching leg（603）Arrange
Manage in switching（602）In can stretch up and down, the switching transmission component（610）Can control to switch leg（603）By institute
State projecting apparatus stable in the position of differing heights；
The switching transmission component（610）Including high-order tooth pipe（620）, teeth change pipe（630）, by knob pipe（640）And a high position
Spring（650）；
The high-order tooth pipe（620）To divide into upper space（620a）And lower space（620b）Hollow cylinder, wherein,
Upper space（620a）Internal diameter be more than lower space（620b）Internal diameter, thus, the different upper space of internal diameter（620a）With
Lower space（620b）Junction, that is, define contact site, the contact site circumferentially arranges the M shapes of several point upwards
Raised high position tooth（621）, the high-order tooth of M shapes（621）In four edges non-conterminous two straight up, be straight flange（622）, in addition
The angle that two sides are formed with vertical both sides is 60 °～80 °, is hypotenuse（623）, lower space（620b）Inner surface setting
There is switching elongated slot penetrating up and down（624）, adjacent switching elongated slot（624）Between be spaced the high-order tooth of at least one M shapes
（621）；
The teeth change pipe（630）For hollow cylinder, teeth change pipe（630）Outer surface is provided with and switching elongated slot（624）Phase
The gib block of cooperation（632）, teeth change pipe（630）Lower end circumferentially arranges the teeth change of several V-arrangement convex that join end to end
（631）, a teeth change（631）Including two adjacent intersecting folding faces（631a）, gib block（632）Top surface be guiding surface
（634）, and two adjacent gib blocks（632）Between be at least spaced a teeth change（631）；
The high-order tooth pipe（620）It is fixed on switching device（600）Switching on manage（602）Interior projecting apparatus bottom（601）On,
By knob pipe（640）Lower end is fixedly connected on switching leg（603）Interior bottom, teeth change pipe（630）By a through-Penetration portion
Part（660）Coaxially it is movably connected in by knob pipe（640）Inner bottom, teeth change pipe（630）Lower end with press knob pipe（640）On
The distance at end is movably connected in 1～2mm, and teeth change pipe（630）Part can be run through around this（660）Freely rotate；
The teeth change pipe（630）With by knob pipe（640）Can be in high-order tooth pipe（620）Endoporus in it is up and down, it is high-order
Spring（650）It is arranged on switching leg（603）Manage with switching（602）Between；Switching device of pressing（600）, high-order tooth
Pipe（620）Teeth change pipe can be blocked（630）, projecting apparatus is in low level configuration state, then presses a switching device（600）, it is high-order
Tooth pipe（620）Decontrol teeth change pipe（630）, by high-order spring（650）Effect projecting apparatus rise one end distance, device is in height
Location status；
Also include,
Recognition unit（400）, to the information for gathering the face of being projected, obtain self-identifying unit（400）To the face of being projected
Range data information simultaneously feeds back to processing unit（500）；And,
Processing unit（500）, including mainboard module（501）, drive module（502）And power module（503）, power module
（503）Required voltage power supply, mainboard module are provided by external power source for projecting apparatus（501）And drive module（502）Composition
The functional part of multimedia file can be processed, the information for being projected face is processed, when the face that is projected is plane,
The processing unit（500）Image information is not processed；When the face that is projected is on-plane surface, the processing unit（500）Process figure
As information causes Jing image output units（300）The image for being projected to the face of being projected is visual two-dimensional image；
The processing unit（500）Gridding matrix zoning is carried out to image information, with D2Pixel is a matrix unit,
N number of picture element matrix unit is divided into, is fixed due to the total pixel value of projecting apparatus, according near big and far smaller visual theory, N number of
In picture element matrix unit, the distance values of each range finding, the more remote picture element matrix area of distance is less, the nearer pixel square of distance
Front product is bigger, and minimum distance does not make pixel change with the mean value of maximum distance, and the correction value of picture element matrix unit is equal to
Actual range divided by（Ultimate range+minimum range）Again divided by 2 ］, then D is multiplied by, it is exactly final processing array pixel value, Jing
Projector image output unit exports above-mentioned image information, that is, cause the image for being projected to the face of being projected flat for visual two dimension
Face image.
2. projecting apparatus as claimed in claim 1, it is characterised in that：It is described by knob pipe（640）It is with raised driving bar
（641）Cylinder, the driving bar（641）Upper end is the sliding tooth at inverted V-shaped tip（642）, drive bar（641）With high-order tooth
Pipe（620）Switching elongated slot（624）It is engaged.
3. projecting apparatus as claimed in claim 1, it is characterised in that：The recognition unit（400）Including signal emission element
（401）And signal receiving part（402）, the signal emission element（401）The signal of transmitting CF, signal receiving part
（402）The signal of the CF is received, when recognizing that direction runs into barrier, signal reflex returns to be received by the signal
Part（402）Receive, and feed back to the processing unit（500）.
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| CN201610229183.3A CN105652568B (en) | 2016-04-13 | 2016-04-13 | Projector |
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| CN201610229183.3A CN105652568B (en) | 2016-04-13 | 2016-04-13 | Projector |
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| CN105652568B true CN105652568B (en) | 2017-05-10 |
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| CN111077997B (en) * | 2019-06-09 | 2023-08-25 | 广东小天才科技有限公司 | Click-to-read control method in click-to-read mode and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4027169B2 (en) * | 2002-07-22 | 2007-12-26 | シャープ株式会社 | Equipment with adjuster device |
| CN201009203Y (en) * | 2007-02-06 | 2008-01-23 | 陈瑞同 | Expansion bottle opener |
| CN201657118U (en) * | 2009-12-25 | 2010-11-24 | Tcl集团股份有限公司 | Retractable camera lens structure |
| CN103742497A (en) * | 2013-12-18 | 2014-04-23 | 青岛歌尔声学科技有限公司 | Pressing height-regulating device |
-
2016
- 2016-04-13 CN CN201610229183.3A patent/CN105652568B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4027169B2 (en) * | 2002-07-22 | 2007-12-26 | シャープ株式会社 | Equipment with adjuster device |
| CN201009203Y (en) * | 2007-02-06 | 2008-01-23 | 陈瑞同 | Expansion bottle opener |
| CN201657118U (en) * | 2009-12-25 | 2010-11-24 | Tcl集团股份有限公司 | Retractable camera lens structure |
| CN103742497A (en) * | 2013-12-18 | 2014-04-23 | 青岛歌尔声学科技有限公司 | Pressing height-regulating device |
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