CN205864582U - Laser ranging for d-cinema projectors focuses on adjustment system automatically - Google Patents
Laser ranging for d-cinema projectors focuses on adjustment system automatically Download PDFInfo
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- CN205864582U CN205864582U CN201620818270.8U CN201620818270U CN205864582U CN 205864582 U CN205864582 U CN 205864582U CN 201620818270 U CN201620818270 U CN 201620818270U CN 205864582 U CN205864582 U CN 205864582U
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- cinema projectors
- camera lens
- range finder
- automatic focusing
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Abstract
The utility model discloses a kind of laser ranging for d-cinema projectors and automatically focus on adjustment system, including d-cinema projectors body；It arranges a LDMS, and this system, for obtaining the screen distance to projector camera lens, at least includes a laser range finder, and its installation is fixed on projector camera lens；One external treatment system, comes from, for receiving, the data that LDMS gathers, and sends network signal after analyzing and processing to d-cinema projectors automatic focusing system；One d-cinema projectors automatic focusing system automatic focusing system, receives the instruction coming from external treatment system, then automatically controls camera lens and automatically focus on；A set of data transmission system, this system uses for transmitting data between laser range finder, external hardware processing system and d-cinema projectors automatic focusing system.Utilize it can correct the camera lens of d-cinema projectors so that it is to reach relatively preferably to show requirement.
Description
Technical field
This utility model relates to d-cinema projectors automatic adjustment system, swashing especially for d-cinema projectors
Ligh-ranging focuses on adjustment system automatically.
Background technology
Flourish along with film market, " movie theatre digitized " will become the direction that film industry is changed, to film
Show quality it is also proposed higher demand.Several factors all can have influence on the show quality of film, such as: the product of projector
Matter, screen, audio frequency apparatus, movie theatre complex control system and the operational maintenance of projector and maintenance.
Require that the picture that d-cinema projectors projects in screen can reach optimal definition under normal circumstances, with
Reduce the bad viewing experience that ghost image brings to spectators.But during using, increase over time, because digital movie is put
The drift of film projector support system, the vibration of d-cinema projectors itself and the interference of ventiduct system and accident collision etc.
Will cause the skew of focusing, it is fuzzy that presentation picture becomes, and ghost image even occurs, thus needs to manually adjust focusing frequently and come
Meet projection demand.
And the focusing regulating d-cinema projectors manually has the drawback that
1. in d-cinema projectors display process, causing image blurring because focusing on skew, 3D effect is deteriorated, artificial hand
Dynamic regulation can be more delayed, thus the viewing that have impact on viewing client is experienced；
Need during the most daily projection to manually adjust frequently, the screening plan of movie theatre can be disturbed；
3. system call interception needs technical professional and carries out, and general cinema projection personnel do not have and use respective capabilities；
4. system call interception needs multiple person cooperational and needs comparison repeatedly, the longest.
Summary of the invention
The purpose of this utility model is to provide a kind of laser ranging for d-cinema projectors and automatically focuses on adjustment system
System, utilizes it can correct the camera lens of d-cinema projectors so that it is to reach relatively preferably to show requirement.
For achieving the above object, this utility model takes following design:
A kind of laser ranging for d-cinema projectors focuses on adjustment system automatically, including d-cinema projectors originally
Body；It is characterized in that:
Arranging a LDMS, this system, for obtaining the screen distance to projector camera lens, at least includes
One laser range finder, its installation is fixed on projector camera lens；
One external treatment system, comes from, for receiving, the data that LDMS gathers, and sends out after analyzing and processing
SCN Space Cable Network signal is to d-cinema projectors automatic focusing system；
One d-cinema projectors automatic focusing system automatic focusing system, receives the finger coming from external treatment system
Order, then automatically controls camera lens and automatically focuses on；
A set of data transmission system, this system is for putting at laser range finder, external hardware processing system and digital movie
Transmit data between film projector automatic focusing system to use.
The described laser ranging for d-cinema projectors focuses in adjustment system automatically, described external treatment system control
LDMS circulation work processed.
The described laser ranging for d-cinema projectors focuses in adjustment system automatically, the confession of described laser range finder
Be electrically independent power supply supply mode, or with d-cinema projectors common power supply mode, also or and external treatment
System shares power supply supply mode.
The described laser ranging for d-cinema projectors focuses in adjustment system automatically, when being in off working state,
Described laser range finder enters energy saver mode.
The utility model has the advantages that:
1. native system is the laser ranging autofocus system aiming at d-cinema projectors exploitation, and its adaptability is good, makes
Good by effect；
2. native system can be by carrying out auto-focusing tune to d-cinema projectors with coordinating of software system easily
Whole, it is ensured that the quality of the daily projection of movie theatre.
Accompanying drawing explanation
Fig. 1 is this utility model automatically to be focused on adjustment system theory of constitution for the laser ranging of d-cinema projectors and shows
It is intended to.
Fig. 2 is this utility model one example structure schematic diagram.
Fig. 3 is this utility model working-flow figure.
In figure: 10. LDMS；20. external treatment systems；30. d-cinema projectors automatic focusing systems；
1. projector；2. laser range finder；3. projector camera lens；4. projection port；5. projection screen；
D1. laser range finder is to the distance of screen；D2. the distance between projector camera lens and diastimeter.
Below in conjunction with the accompanying drawings and this utility model is described in further details by specific embodiment.
Detailed description of the invention
Refering to shown in Fig. 1 and Fig. 2, this utility model is broadly divided into three parts: a LDMS 10, outside at
Reason system 20 and a d-cinema projectors automatic focusing system 30, realize data by a set of data transmission system between three
Transmission.
At least including a laser range finder 2 in described LDMS 10, this laser range finder 2 is installed to projection
On machine camera lens 3 (can be any a certain fixed position near d-cinema projectors camera lens), it be mainly used in obtaining projection screen 5
Distance to projector camera lens 3.Laser range finder 2 can start the most automatically, records projector camera lens to movie theater screen
Distance x=D1-D2, and there is the ability that collection result is sent to external treatment system with coding, compression or unpacked format.
This range finding, transmission action can be carried out continuously under autonomous state, timing is carried out, circulate and carry out or by external treatment system control
System is carried out.
Described external treatment system 20, should include software processing system and hardware handles system.
Described software processing system is mounted within hardware system, and wherein, described software processing system is for dividing
The data that analysis, process laser range finder gather, software processing elements can obtain laser range finder distance D1 to projection screen, put
Distance D2 between film projector camera lens and laser range finder is it is known that process by software analysis, (existing according to existing known functional relationship
Have technology, do not repeat) calculate concrete controlling value, finally send control command to d-cinema projectors, make numeral
Cinematograph projector is automatically obtained the regulation of focusing.Software system packing forms can be that independent executable file, system are embedded
Functional module, for install APP software kit etc..The operating system of its correspondence can be but not limited to Windows, Linux,
Mac, IOS, Android etc..
The instruction that software system performs, for installing described software processing system, is sent out by described hardware handles system simultaneously
Deliver to relevant device and receive the feedback information of this relevant device (d-cinema projectors)；Wherein there is display unit, process
Unit and input-output unit, this hardware system can be but not limited to desktop computer, notebook computer, all-in-one, flat board electricity
Brain and the supporting integrated playing system etc. of movie theatre.This external treatment system 20 comes from LDMS collection for reception
Data, and through analyzing and processing after send network signal to d-cinema projectors automatic focusing system, then by digital movie
Projector automatic focusing system 30 automatically controls projector camera lens 3 and automatically focuses on, to ensure that projector is in good work shape
State, when being adjusted, fully automated is carried out, it is not necessary to result that manual intervention adjusts and direction.
Described data transmission system, for automatic in laser range finder, external treatment system and d-cinema projectors
Transmitting data between focusing system to use, it completes form can be wired, wireless or mixing connecting mode.
Work process of the present utility model and operation principle be:
Refering to Fig. 3, specifically comprising the following steps that of an embodiment
First laser range finder is installed, attaches it to a certain fixed position near projector camera lens；
2. starting d-cinema projectors, laser range finder automatically opens up, and software system will send commands to laser ranging
Instrument, obtains laser range finder distance D1 to screen；
3. record projector camera lens distance x=D1-D2 to movie theater screen；
4. software system analysis processes, the function between focusing on according to camera lens to screen distance x and d-cinema projectors
Relation, calculates the step-by-step adjustment number c needing projector camera lens to make；
5. c is sent to d-cinema projectors by network signal by software system；
6. d-cinema projectors automatic focusing system automatically controls lens laser range and automatically focuses on, until completing c
Number of steps；
7. the definition of exact p-value picture, and be given and successfully point out.
This utility model can carry out the regulation of definition easily to d-cinema projectors projected picture, may insure that
The quality of the daily projection of movie theatre.
The various embodiments described above can some changes in addition under without departing from scope of the present utility model, therefore above explanation is wrapped
Contain and the structure shown in accompanying drawing should be regarded as exemplary, and be not used to limit the protection domain that this utility model is applied for a patent.
Claims (4)
1. the laser ranging for d-cinema projectors focuses on an adjustment system automatically, including d-cinema projectors originally
Body；It is characterized in that:
Arranging a LDMS, this system, for obtaining the screen distance to projector camera lens, at least includes one
Laser range finder, its installation is fixed on projector camera lens；
One external treatment system, comes from, for receiving, the data that LDMS gathers, and sends net after analyzing and processing
Network signal is to d-cinema projectors automatic focusing system；
One d-cinema projectors automatic focusing system automatic focusing system, receives the instruction coming from external treatment system, continues
And automatically control camera lens and automatically focus on；
A set of data transmission system, this system is in laser range finder, external hardware processing system and d-cinema projectors
Transmit data between automatic focusing system to use.
2. the laser ranging for d-cinema projectors as claimed in claim 1 focuses on adjustment system automatically, and its feature exists
In: described external treatment system controls laser range finder circulation work.
3. the laser ranging for d-cinema projectors as claimed in claim 1 or 2 focuses on adjustment system automatically, its feature
It is: the power supply mode of described laser range finder is independent power supply supply mode, or shares confession with d-cinema projectors
Electrically, also or power supply supply mode is shared with external treatment system.
4. the laser ranging for d-cinema projectors as claimed in claim 3 focuses on adjustment system automatically, and its feature exists
In: when being in off working state, described laser range finder enters energy saver mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620818270.8U CN205864582U (en) | 2016-07-29 | 2016-07-29 | Laser ranging for d-cinema projectors focuses on adjustment system automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620818270.8U CN205864582U (en) | 2016-07-29 | 2016-07-29 | Laser ranging for d-cinema projectors focuses on adjustment system automatically |
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| Publication Number | Publication Date |
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| CN205864582U true CN205864582U (en) | 2017-01-04 |
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| CN201620818270.8U Active CN205864582U (en) | 2016-07-29 | 2016-07-29 | Laser ranging for d-cinema projectors focuses on adjustment system automatically |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168008A (en) * | 2017-06-27 | 2017-09-15 | 银河威尔科技（北京）有限公司 | A kind of bearing calibration of 3Dvr video cameras for eliminating dizzy sense and device |
| CN108489390A (en) * | 2018-04-09 | 2018-09-04 | 辽宁昭融瑞合工业数据有限公司 | A kind of 3D optical dimensions detector and optical dimensions detecting system |
-
2016
- 2016-07-29 CN CN201620818270.8U patent/CN205864582U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107168008A (en) * | 2017-06-27 | 2017-09-15 | 银河威尔科技（北京）有限公司 | A kind of bearing calibration of 3Dvr video cameras for eliminating dizzy sense and device |
| CN108489390A (en) * | 2018-04-09 | 2018-09-04 | 辽宁昭融瑞合工业数据有限公司 | A kind of 3D optical dimensions detector and optical dimensions detecting system |
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