CN107896323A - The method of projection arrangement, screen and the position by screen adjustment projection arrangement - Google Patents
The method of projection arrangement, screen and the position by screen adjustment projection arrangement Download PDFInfo
- Publication number
- CN107896323A CN107896323A CN201711057315.XA CN201711057315A CN107896323A CN 107896323 A CN107896323 A CN 107896323A CN 201711057315 A CN201711057315 A CN 201711057315A CN 107896323 A CN107896323 A CN 107896323A
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- China
- Prior art keywords
- signal
- projection arrangement
- screen
- signal receiver
- projector
- Prior art date
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Classifications
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- 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]
- H04N9/3191—Testing thereof
Abstract
The invention discloses a kind of projection arrangement, screen and adjusted by screen projection arrangement position method, the mutually different signal receiver in multiple positions is set on the projection arrangement；When projection arrangement is in precalculated position, for each signal receiver, the optical signal transmitted along fixed-direction is incident upon on signal receiver, and is received by signal receiver.Can realize will be when optical signal be incident upon on each signal receiver, and the basis for estimation for being in precalculated position is received as projection arrangement by signal receiver.Based on this, at position of the adjustment projection arrangement relative to screen, the judged result of optical signal, the position with regard to projection arrangement can be corrected whether need to be only received according to each signal receiver on projection arrangement.Relative to the position for visually observing correction projection arrangement in the prior art, there is the simple to operate and high advantage of accuracy.
Description
Technical field
The present invention relates to field of projection display, more particularly to a kind of projection arrangement, screen and pass through screen adjustment projection dress
The method for the position put.
Background technology
In Projection Display, in order to obtain more preferable display effect, general projection arrangement needs to configure special screen, throws
Image device projects picture and shown on screen.The position of projection arrangement and screen will be relatively fixed, and can just throw projection arrangement
The image penetrated can just project on screen and match screen size.Especially ultrashort burnt projection arrangement, projection arrangement phase
Even if having little deviation for the position of screen, also result in position of institute's projects images on screen and vary widely, give
The installation of projection arrangement causes very big puzzlement.At present when screen is fixed, projection arrangement relative to the position of screen adjustment side
Formula is usually：As shown in figure 1, first opening projection arrangement, the picture shape on screen is projected by eye-observation to judge to throw
The adjustment direction of image device, but because the error of eye-observation is larger, this adjustment mode usually requires adjustment repeatedly, needs
Expend longer time.
To sum up, asked in the prior art there is the position correction of projection arrangement there is error with cumbersome technology greatly
Topic.
The content of the invention
A kind of method that the embodiment of the present invention provides projection arrangement, screen and the position by screen adjustment projection arrangement,
To solve the position correction of projection arrangement present in prior art, there is the big and cumbersome technical problem of error.
The embodiment of the present invention provides a kind of projection arrangement, and the mutually different signal in multiple positions is set on the projection arrangement
Receiver；When the projection arrangement is in precalculated position, for each signal receiver, the light transmitted along fixed-direction
Signal is incident upon on the signal receiver, and is received by the signal receiver.
Further, the projection arrangement also includes upper casing, and the signal receiver is arranged on the upper surface of the upper casing,
And multiple signal receivers are not conllinear.
Further, the projection arrangement also includes multiple indicator lamps, and each signal receiver electrically connects a finger
Show lamp, the indicator lamp is lit when the signal receiver receives optical signal.
The embodiment of the present invention provides a kind of screen, and the mutually different signal projector in multiple positions is set on the screen,
The signal projector is used to launch optical signal, and the transmission direction of the optical signal is fixed；When projection arrangement is in precalculated position
When, the mutually different signal receiver in multiple positions is set on the projection arrangement, for each signal receiver, come from
The optical signal of the screen is incident upon on the signal receiver, and is received by the signal receiver.
Further, the edge of the screen is provided with frame, and the signal projector is fixed on the frame, and institute
Signal projector is stated at least on two frames.
Further, the signal projector is fixed in fixture along setting angle of inclination, and the fixture passes through spiral shell
Nail is fixed on the frame.
Further, the optical signal of multiple signal projector transmittings is non-cross, or at least two letters
The optical signal of number transmitter transmitting intersects.
The embodiment of the present invention provides a kind of method for the position that projection arrangement is adjusted by screen, is set on the projection arrangement
Put the mutually different signal receiver in multiple positions；The mutually different signal projector in multiple positions, institute are set on the screen
State signal projector to be used to launch optical signal, the transmission direction of the optical signal is fixed, and methods described includes：Adjust the projection
Device relative to the screen position, when the optical signal from the screen is incident upon each signal receiver
On, and when being received by the signal receiver, the projection arrangement is adjusted to precalculated position.
Further, if the quantity of the signal receiver is equal to the quantity of the signal projector, each letter
Number receiver receives a branch of optical signal.
Further, if the quantity of the signal receiver is less than the quantity of the signal projector, at least one institute
State the optical signal that signal receiver receives two beams intersection.
Further, each signal receiver electrically connects an indicator lamp, when the indicator lamp of whole is lit
When, the projection arrangement is adjusted to the precalculated position.
In above-described embodiment, when to define projection arrangement relative to the position of screen be precalculated position, projection arrangement is incident upon
Image on screen has optimal viewing effect.The application is improved to the structure of projection arrangement and screen, is specifically being thrown
The mutually different signal receiver in multiple positions is set on image device, the mutually different signal hair in multiple positions is set on screen
Emitter, make the transmission direction for the optical signal that signal projector launched fix, pass through the projection arrangement of the application and the knot of screen
Improvement on structure, it is possible to achieve by " when the optical signal from screen is incident upon on each signal receiver, and by signal receiver
Receive " basis for estimation in precalculated position is in as projection arrangement.Based on this, the position in adjustment projection arrangement relative to screen
When, the judged result of the optical signal from screen whether need to be only received according to each signal receiver on projection arrangement, just
The position of projection arrangement can be corrected.Relative to the position for visually observing correction projection arrangement in the prior art, have simple to operate
The high advantage with accuracy.
Brief description of the drawings
Fig. 1 is a kind of method schematic diagram for correction projection arrangement that prior art provides；
Fig. 2 is a kind of schematic view of the mounting position of the signal projector provided in an embodiment of the present invention on the frame of screen；
Fig. 3 is a kind of schematic diagram that signal projector is installed on the frame of screen provided in an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of installation site of the optical sensor provided in an embodiment of the present invention in projection arrangement upper casing；
Fig. 5 is that a kind of installation that optical sensor and indicator lamp are installed in projection arrangement upper casing provided in an embodiment of the present invention is shown
It is intended to；
Fig. 6 is a kind of adjustment projector's showing close to the position of first corner in screen side provided in an embodiment of the present invention
It is intended to；
Fig. 7 is a kind of adjustment projector's showing close to the position of second corner in screen side provided in an embodiment of the present invention
It is intended to；
Fig. 8 is a kind of position for adjusting residue two corner of the projector away from screen side provided in an embodiment of the present invention
Schematic diagram；
Fig. 9 is the schematic diagram after a kind of position adjustment of projector provided in an embodiment of the present invention.
Embodiment
If projection arrangement relative to the position of screen is precalculated position, projection arrangement is incident upon the image tool on screen
Have optimal viewing effect, i.e. projection arrangement at precalculated position, the image size that is projected in projection arrangement just with screen size
Matching.In order to solve the position adjustment of projection arrangement present in prior art there is error greatly and cumbersome technology to ask
Topic, the embodiment of the present invention are improved to the structure of projection arrangement and screen, and multiple positions are specifically set on projection arrangement
Mutually different signal receiver, the mutually different signal projector in multiple positions is set on screen, makes signal projector institute
The transmission direction of the optical signal of transmitting is fixed, and passes through the improvement on the projection arrangement of the application and the structure of screen, it is possible to achieve
By " when the optical signal from screen is incident upon on each signal receiver, and being received by signal receiver " as at projection arrangement
Basis for estimation in precalculated position., only need to be according to projection arrangement at position of the adjustment projection arrangement relative to screen based on this
Whether upper each signal receiver receives the judged result of the optical signal from screen, the position with regard to that can adjust projection arrangement
Put.Relative to the position for visually observing adjustment projection arrangement in the prior art, there is the simple to operate and high advantage of accuracy.
Screen provided in an embodiment of the present invention, the mutually different signal projector in multiple positions, the signal transmitting are set
Device is used to launch optical signal, and the transmission direction of the optical signal is fixed, wherein, position of multiple signal projectors on screen is consolidated
It is fixed and different,, can will when setting the mutually different signal receiver in multiple positions on the projection arrangement based on this
" when the optical signal from screen is incident upon on each signal receiver, and being received by signal receiver " is in as projection arrangement
The basis for estimation in precalculated position.Adjust projection arrangement relative to screen position when, only need to be according to each believing on projection arrangement
Number receiver all receives the optical signal from screen, just can by projection arrangement relative to the position adjustment of screen to pre-determined bit
Put.
It is pointed out that the installation site of screen is fixed, position of the signal projector on screen is also fixed
, the transmission direction of the optical signal of signal projector transmitting is also fixed.
Optionally, the transmission direction for the optical signal launched for signal projector, has implementation below：
Mode one, the transmission direction of the optical signal of unlike signal transmitter transmitting can be with identical.
Mode two, the transmission direction of the optical signal of unlike signal transmitter transmitting can be with different.
Mode three, unlike signal transmitter transmitting optical signal transmission direction can part it is identical.
It is it should be noted that non-cross between the optical signal launched for mode one, signal projector.For mode two
Or mode three, signal projector transmitting optical signal between can have intersection, the implication intersected herein be two-beam signal have
Joint.
Optionally, the quantity of signal projector is at least 3, and signal projector can not collinearly be set.Because signal
Transmitter transmitting optical signal transmission direction be it is fixed, if the quantity of signal projector be less than 3, or, signal hair
Emitter is collinearly set, when adjusting the position of projection arrangement, when the signal receiver on projection arrangement can receive optical signal
The position of projection arrangement may not be unique.
Optionally, signal projector is fixed on frame.The edge of the screen is provided with frame, and frame is set around screen
Put, in order to not influence the display effect of screen, signal projector is arranged on the frame of screen.It is pointed out that frame
Shape is set according to the shape of screen, and the shape of frame is not limited to quadrangle in the embodiment of the present invention.
Optionally, signal projector is arranged at least on two frames, and one or more letters are set on each frame
Number transmitter.For example, on screen shown in Fig. 2, there is four edges frame, set respectively on four corner locations that four edges frame crosses
A signal projector is put, is respectively provided with signal projector on two positions of the frame in addition to corner location on top in addition.
In another example respectively setting a signal projector on three frames wherein, arrangement of the signal projector on frame is triangular in shape.
It above are only citing, the installation site of signal projector is not limited to the example above on frame in the embodiment of the present invention.
Optionally, signal projector is detachable on frame.For example, before projection arrangement is adjusted, by signal projector
On frame, after by the position adjustment of projection arrangement to precalculated position, under signal projector is dismantled from frame
Come.
Optionally, the assembly method of dismountable signal projector is：The signal projector is consolidated along setting angle of inclination
It is scheduled in fixture, the fixture is fixed by screws on the frame.
Fig. 3 illustrate a kind of signal projector in a pre-installation after schematic diagram, signal projector installation before, signal
Transmitter is fixed on a fixture along setting angle of inclination, and signal projector can be sealed in fixture, can also be interim
It is encapsulated in fixture, position of the signal projector in fixture and fixed angle of inclination determine that signal projector is launched
Optical signal transmission direction.Fixture and screen frame, which need to install on the position of signal projector, is both provided with screw, Gu
The installation site for determining the screw on the screw and frame of part is mutually matched, can be with after signal projector is packaged in fixture
Fixture is fastened in the frame of screen by screw, makes the signal projector in fixture when launching optical signal, light letter
Number transmission direction be predetermined direction.Optionally, can also on the frame that screen can be secured the fix to when processing screen
It is when adjusting the position of projection arrangement, secures the fix to temporarily on the frame of screen.Optionally, in the position of projection arrangement
Put and be adjusted to after precalculated position, fixture can be disassembled from frame.Optionally, fixture is disassembled from frame
When, produce shadow with display of the screw to screen, into the screw on frame, can be avoided with border color identical plastics cap stopper
Ring.
Optionally, the color of the optical signal of different signal projectors transmitting can be with identical, can also be different.Different letters
The frequency of number transmitter transmitting optical signal can be with identical, can also be different.
Optionally, signal projector is small laser.
Optionally, the optical signal that small laser can be sent is visible ray, optionally, in the position of adjustment projection arrangement
When, the optical signal that small laser is sent is flashed with certain frequency, can both play a part of indicating positions, can reduce human eye again
Injury during imprudence direct-view light.
The embodiment of the present invention provides a kind of projection arrangement, and the mutually different signal in multiple positions is set on the projection arrangement
Receiver；When the projection arrangement is in precalculated position, for each signal receiver, the light transmitted along fixed-direction
Signal is incident upon on the signal receiver, and is received by the signal receiver.Wherein, the optical signal transmitted along fixed-direction
From screen, and when each signal receiver has correctly received the optical signal from screen, the location of projection arrangement
For precalculated position.
It is pointed out that position of multiple signal receivers on projection arrangement is fixed and different.Optionally, believe
Number position of the receiver on projection arrangement determines in the following manner：
First, signal projector, position of the configuration signal projector on screen, and signal are configured on screen in advance
The transmission direction of the optical signal of transmitter transmitting,
Second, when projection arrangement is towards screen projects images, the position of projection arrangement is adjusted, until being thrown in projection arrangement
The image size penetrated just matches with screen size, and definition meets that viewing requires that now projection arrangement is incident upon screen
On image there is optimal viewing effect.Now, projection arrangement is in precalculated position relative to screen, and mark optical signal is projecting
Launching position on device.
3rd, according to the launching position of mark, signal receiver is configured on projection arrangement, its effect is to work as projection arrangement
When being in precalculated position relative to screen, signal receiver is in launching position, and can receive and project on launching position
Optical signal.
Involved configuration includes all mounting means that can be realized in the embodiment of the present invention.
Optionally, the quantity of signal receiver is at least 3, and signal receiver can not collinearly be set.Because signal
Receiver receive optical signal transmission direction be it is fixed, if the quantity of signal receiver be less than 3, or, signal connects
Receive device collinearly to set, when adjusting the position of projection arrangement, when the signal receiver on projection arrangement can receive optical signal
The position of projection arrangement may not be unique.
Optionally, the projection arrangement also includes upper casing, and the signal receiver is arranged on the upper surface of the upper casing.
For example, the installation site of signal receiver is located at four edges of projection arrangement upper casing top surface edge, also may be used
To be the optional position of upper casing upper surface.
Optionally, when the quantity of signal receiver is at least 3, signal receiver surrounds polygon in upper casing upper surface,
Such as triangle, quadrangle, pentagon etc..
Optionally, optical signal whether is received for the ease of identification signal receiver, the projection arrangement also includes multiple
Indicator lamp, each signal receiver electrically connect an indicator lamp, and the indicator lamp connects in the signal being connected electrically
Receive when device receives optical signal and be lit.Therefore, when all indicator lamps are all lit, projection arrangement is in precalculated position.
Optionally, the indicator lamp being connected with signal receiver is lighted when signal receiver receives single beam signal.
For example, diverse location is fixed with 3 signal projectors on screen, each signal projector launches single beam signal,
Launch 3 beam optical signals altogether, the transmission direction of this 3 beam optical signal is different.3 signal receivers are fixed on projection arrangement,
Projection arrangement relative to the position adjustment of screen to precalculated position when, 3 beam optical signals are incident upon mutually different 3 of position respectively
On signal receiver, and the indicator lamp being connected with 3 signal receivers is all lit.
Optionally, the indicator lamp being connected with signal receiver receives the optical signal time point that two beams intersect in signal receiver
It is bright.
For example, diverse location is fixed with 4 signal projectors on screen, each signal projector launches single beam signal,
Launch 4 beam optical signals altogether, the transmission direction of this 4 beam optical signal is different, wherein there is two-beam signal to have a joint.
3 signal receivers are fixed on projection arrangement, the position of 3 signal receivers is different.In projection arrangement relative to screen
Position adjustment to precalculated position when, wherein two-beam signal is incident upon on 2 signal receivers, and remaining two-beam signal is all thrown
(convergence) is penetrated on another signal receiver, and is received by the signal receiver, now, is connected with 3 signal receivers
Indicator lamp be all lit.
Optionally, the projection arrangement in the embodiment of the present invention is projector, and it can be optical sensor that signal receiver, which is,.It is logical
Cross the optical power threshold for setting optical sensor to receive, it is possible to achieve indicator lamp is when optical sensor receives single beam signal by point
It is bright, and indicator lamp is lit when optical sensor receives two-beam signal.
For example, when optical sensor receives single beam signal, the luminous power that optical sensor receives is smaller, can set compared with
Small optical power threshold, when the optical power value for the optical signal that optical sensor receives exceedes this threshold value, indicator lamp passes through circuit
Control is lit.When optical sensor receives two-beam signal, the luminous power that optical sensor receives is to be respectively received two beams
The superposition value of luminous power during optical signal, larger optical power threshold can be set, when the optical signal that optical sensor receives
When optical power value exceedes this threshold value, indicator lamp is set to be lit by circuit control.
Fig. 4 and Fig. 5 illustrates the mounting means of the optical sensor and indicator lamp in a kind of projector, 4 optical sensors
Installed in four edges of projector's upper casing, each optical sensor is electrically connected an indicator lamp.Wherein, optical sensor and
Indicator lamp is embedded in projector's upper casing simultaneously, and optical sensor passes through the circuit system on a circuit board and indicator lamp electricity
Connection, realize switch control and brilliance control to indicator lamp.When optical signal is shone on the optical sensor of one of edge
When, the relation of the optical power value and the optical power threshold of setting of the optical signal that circuit system receives according to optical sensor, to control
Luminous and indicator lamp the luminosity of indicator lamp processed.When the optical power value for the optical signal that optical sensor receives exceedes this threshold value
When, indicator lamp is lighted by circuit system, prompts the optical sensor of the edge to receive optical signal.
Based on identical inventive concept, the embodiment of the present invention provides a kind of side for the position that projection arrangement is adjusted by screen
Method, methods described include：Position of the projection arrangement relative to the screen is adjusted, when the light letter from the screen
When number being incident upon on each signal receiver and received by the signal receiver, the projection arrangement is adjusted to predetermined
Position.Signal projector wherein on projection arrangement, the particular content of the signal receiver on screen is referring to previous embodiment portion
Point, it is not repeated herein.
Optionally, the quantity of signal receiver and signal projector can with identical, signal projector and signal receiver
There is man-to-man corresponding relation in signal transmitting and receiving, each described when being adjusted to precalculated position in the position of the projection arrangement
Signal receiver receives a branch of optical signal, and the optical signal that 3 signal receivers receive is from the mutually different signal hair in position
Emitter.
Optionally, signal receiver can be different from the quantity of signal projector, and the quantity of signal receiver is less than
The quantity of signal projector, when being adjusted to precalculated position in the position of the projection arrangement, at least one signal receives
The optical signal that the optical signal that device receives intersects for two beams of two signal projector transmittings.
Optionally, each signal receiver electrically connects an indicator lamp, when the indicator lamp of whole is lit,
The projection arrangement is adjusted to the precalculated position.
Received with the signal configured on the projection arrangement shown in the signal projector and Fig. 4 that are configured on the screen shown in Fig. 2
Exemplified by device, the adjustment process of the position of projector comprises the following steps：
Step 1, adjustment projection arrangement position, make projector's upper casing surface close to the indicator lamp of first edge of screen
It is bright.
As shown in fig. 6, projector is put, until the wherein two-beam signal of screen upper side frame is incident upon projector's upper casing table
Face and is lit the indicator lamp of this edge close to first edge of screen.Now, two-beam signal meets at the side
At angle, the correct position when position that the corner is presently in is in precalculated position for projector residing for the corner；
Step 2, keep the position of first corner constant, continue to adjust projector position, lean on projector's upper casing surface
The indicator lamp of second edge of nearly screen is bright.
As shown in fig. 7, keeping the position of first corner constant, left rotation and right rotation adjustment projector's upper casing surface is close to screen
Second corner position, until the other two-beam signal of screen upper side frame is incident upon projector's upper casing surface close to screen
Second edge, and be lit the indicator lamp of second edge.Now, two-beam signal meets at second corner
Place, the position that second edge is presently in are the correct position residing for corner when projector is in precalculated position, now
Projector's upper casing has determined close to the position of a line of screen；
Step 3, keep the position of first corner and second corner constant, continue to adjust projector position, make projection
The indicator lamp of two other corner of the machine upper casing surface away from screen is also bright, i.e., the indicator lamp of 4 edges is all bright.
As shown in figure 8, keep projector's upper casing constant close to the position of a line of screen, with projector's upper casing close to screen
Straight line where a line of curtain is axial direction, front and rear upset projector, two on screen lower frame light beams is incident upon respectively
Two edges of projector's upper casing surface away from screen, and be lit the indicator lamp of the two edges, now projector
In precalculated position.
Above-mentioned steps are only for example, the quantity of signal projector in the application, position of the signal projector on screen, with
And the transmission direction of the optical signal of signal projector transmitting can have multiple choices, be not limited to the choosing that the embodiment of the present invention illustrates
Select, for example, as shown in figure 9, fix a small laser on four angles of screen respectively, on four angles of corresponding projector point
Not Gu Ding optical sensor and indicator lamp, according to the position that four angles of projector are sequentially adjusted in similar step, make projector four
When the indicator lamp at individual angle is all lighted, projector position is adjusted to precalculated position.
In above-described embodiment, when to define projection arrangement relative to the position of screen be precalculated position, projection arrangement is incident upon
Image on screen has best projection effect.The application is improved to the structure of projection arrangement and screen, is specifically being thrown
The mutually different signal receiver in multiple positions is set on image device, the mutually different signal hair in multiple positions is set on screen
Emitter, make the transmission direction for the optical signal that signal projector launched fix, pass through the projection arrangement of the application and the knot of screen
Improvement on structure, it is possible to achieve by " when the optical signal from screen is incident upon on each signal receiver, and by signal receiver
Receive " basis for estimation in precalculated position is in as projection arrangement.Based on this, the position in adjustment projection arrangement relative to screen
When, the judged result of the optical signal from screen whether need to be only received according to each signal receiver on projection arrangement, just
The position of projection arrangement can be adjusted.Relative to the position for visually observing adjustment projection arrangement in the prior art, have simple to operate
The high advantage with accuracy.
Obviously, those skilled in the art can carry out various changes and modification without departing from this Shen to the embodiment of the present invention
Spirit and scope please.So, if these modifications and variations of the embodiment of the present invention belong to the application claim and its waited
Within the scope of technology, then the application is also intended to comprising including these changes and modification.
Claims (11)
- A kind of 1. projection arrangement, it is characterised in that including：The mutually different signal receiver in multiple positions is set on the projection arrangement；When the projection arrangement is in precalculated position, for each signal receiver, the light along fixed-direction transmission is believed Number it is incident upon on the signal receiver, and is received by the signal receiver.
- 2. projection arrangement as claimed in claim 1, it is characterised in that the projection arrangement also includes upper casing,The signal receiver is arranged on the upper surface of the upper casing, and multiple signal receivers are not conllinear.
- 3. projection arrangement as claimed in claim 1 or 2, it is characterised in that the projection arrangement also includesMultiple indicator lamps, each signal receiver electrically connect an indicator lamp, and the indicator lamp is in the signal receiver It is lit when receiving optical signal.
- 4. a kind of screen, it is characterised in that the mutually different signal projector in multiple positions, the signal are set on the screen Transmitter is used to launch optical signal, and the transmission direction of the optical signal is fixed；When projection arrangement is in precalculated position, the mutually different signal receiver in multiple positions is set on the projection arrangement, For each signal receiver, the optical signal from the screen is incident upon on the signal receiver, and by institute State signal receiver reception.
- 5. screen as claimed in claim 4, it is characterised in that the edge of the screen is provided with frame, the signal transmitting Device is fixed on the frame, and the signal projector is at least on two frames.
- 6. screen as claimed in claim 5, it is characterised in that the signal projector is fixed on fixation along setting angle of inclination In part, the fixture is fixed by screws on the frame.
- 7. screen as claimed in claim 5, it is characterised in that the optical signal of multiple signal projector transmittings is not handed over mutually Fork, or the optical signal of at least two signal projector transmittings intersect.
- A kind of 8. method for the position that projection arrangement is adjusted by screen, it is characterised in that set on the projection arrangement multiple The mutually different signal receiver in position；The mutually different signal projector in multiple positions, the signal are set on the screen Transmitter is used to launch optical signal, and the transmission direction of the optical signal is fixed, and methods described includes：Adjust position of the projection arrangement relative to the screen, when the optical signal from the screen be incident upon it is each On the signal receiver, and when being received by the signal receiver, the projection arrangement is adjusted to precalculated position.
- 9. method as claimed in claim 8, it is characterised in thatIf the quantity of the signal receiver is equal to the quantity of the signal projector, each signal receiver receives A branch of optical signal.
- 10. method as claimed in claim 8, it is characterised in that if the quantity of the signal receiver is sent out less than the signal The quantity of emitter, then at least one signal receiver receive two beams intersection optical signal.
- 11. method as claimed in claim 8, it is characterised in that each signal receiver electrically connects an indicator lamp, when When whole indicator lamps is lit, the projection arrangement is adjusted to the precalculated position.
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| CN201711057315.XA CN107896323A (en) | 2017-11-01 | 2017-11-01 | The method of projection arrangement, screen and the position by screen adjustment projection arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227316A1 (en) * | 2020-05-11 | 2021-11-18 | 江苏舜合物联网科技有限公司 | Method for implementing synchronous lifting or synchronous translation of projection picture along with rollable screen |
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| CN101799281A (en) * | 2010-01-14 | 2010-08-11 | 上海志卓机械制造有限公司 | Parallel detecting system of rollers |
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| CN102572347A (en) * | 2011-12-28 | 2012-07-11 | 高原 | Direction correcting device, projection transmitting device, projection image correcting system and projection image correcting method |
| CN106331549A (en) * | 2015-06-30 | 2017-01-11 | 中强光电股份有限公司 | Projection apparatus |
| CN204946256U (en) * | 2015-08-12 | 2016-01-06 | 邢培福 | A kind of distance type multiple alarm device |
| CN107037671A (en) * | 2017-06-13 | 2017-08-11 | 成都全云科技有限公司 | Three-point fix projection correction system |
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