CN207304786U - A kind of projector equipment - Google Patents
A kind of projector equipment Download PDFInfo
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- CN207304786U CN207304786U CN201720897031.0U CN201720897031U CN207304786U CN 207304786 U CN207304786 U CN 207304786U CN 201720897031 U CN201720897031 U CN 201720897031U CN 207304786 U CN207304786 U CN 207304786U
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Abstract
The utility model discloses a kind of projector equipment, including decoder module, projection module and communication interface, the projector equipment further includes：Video processing analysis module；Wherein, the communication interface connects the decoder module, and for being connected with external equipment；The decoder module is connected with the Video processing analysis module, and the video information that the decoder module receives the communication interface decodes, and decoded video information is sent to the Video processing analysis module；The Video processing analysis module is connected with the projection module, and the Video processing analysis module is docked received video information and analyzed and processed, and the video information after analyzing and processing is sent to the projection module and carries out Projection Display.Projector equipment in the utility model embodiment can realize the processing analytic function to audio and video, can meet the needs of video monitoring.
Description
Technical field
It the utility model is related to technical field of image processing, more particularly to a kind of projector equipment.
Background technology
Video monitoring equipment it is common include DVR (Digital Video Recorder, hard disk video recorder), NVR
(Network Video Recorder, network video recorder), video synthesis platform etc., these video monitoring equipments pass through
VGA (Video Graphics Array, Video Graphics Array), HDMI (High Definition Multimedia
Interface, high-definition multimedia interface) or TV (TeleVision, TV) interface realization is connected with external display screen
Menu display function.
Existing video monitoring equipment usually only has audio-video collection function, when video monitoring equipment collects audio and video letter
These audio/video informations are analyzed and processed, it is necessary to be sent to host after breath, such as audio/video coding, intelligent measurement and analysis
Deng the audio/video information after analyzing and processing then is sent to external display screen, video pictures are shown by external display screen
Show.More complicated or professionally analyze and process ability for some, host may not be completed, this just needs the equipment using specialty
To realize, such as need to configure decoder and audio and video are decoded and needed to configure with splicing controller to video progress picture spelling
Connect, picture segmentation, picture taking turn, the analyzing and processing such as picture superposition, then the monitoring display for more pictures or big picture is also
Need to splice polylith external display screen, to meet the needs of video monitoring.
Because projector equipment common applications are in meeting room, classroom, exhibition room and household internal, support by VGA, HDMI,
The interfaces such as RJ45 (Registered, 45/ standard of socket, 8 modular interfaces of registration) and PC or DVD (Digital Video
Disc, digital versatile disc) etc. equipment connection, the equipment such as PC or DVD realizes that picture is shown to projector equipment input video picture
Show function, and projector equipment has video decoding function, so projector equipment can replace host and display screen, realizes to sound
Video decodes and the function of display.But because also needing to analyze and process audio and video in existing video monitoring scene, and throw
Shadow equipment can not meet the needs of video monitoring generally without the processing analytic function to audio/video information.
Utility model content
The utility model provides a kind of projector equipment, does not have audio and video to solve to exist in the prior art projector equipment
The processing analytic function of information, the problem of can not meeting video monitoring demand.
To solve the above-mentioned problems, the utility model provides a kind of projector equipment, including decoder module, projection module and
Communication interface, the projector equipment further include：Video processing analysis module；Wherein,
The communication interface connects the decoder module, and for being connected with external equipment；The decoder module with it is described
Video processing analysis module connects, and the video information that the decoder module receives the communication interface decodes, and will
Decoded video information is sent to the Video processing analysis module；
The Video processing analysis module is connected with the projection module, and the Video processing analysis module docking is received
Video information is analyzed and processed, and the video information after analyzing and processing is sent to the projection module and carries out Projection Display.
Further, the projector equipment further includes control module, and the control module connects the communication interface respectively
With the decoder module；
The video information that the control module is received according to the communication interface, determines that the target of the video information is come
Source, according to the source of preservation and the correspondence of identification information, determines the corresponding target identification information in the target source, by institute
State target identification information carrying and the decoder module is sent in the video information；
The decoder module identifies the target identification information carried in the video information, when the definite target identification is believed
When breath mark carries out video analysis processing, the video information is decoded, and decoded video information is sent to institute
State Video processing analysis module.
Further, the decoder module is connected with the projection module, and the decoder module is when the definite target mark
When knowledge message identification is directly projected, the video information is decoded, and decoded video information is sent to institute
State projection module and carry out Projection Display.
Further, the control module is connected with the projection module, and the control module controls the projection of generation
Signal is sent to the projection module, and the projection module is controlled.
Further, the projector equipment further includes coding module, the coding module respectively with the communication interface and
The decoder module connection, the audio-frequency information and the decoder module that the coding module receives the communication interface are sent
Decoded video information coding be corresponding audio/video information.
Further, the projector equipment further includes memory module；
The control module is connected with the coding module and the memory module respectively, described in the control module reception
The audio/video information that the video information and/or the coding module that decoder module is sent are sent, by the video information and/or institute
State audio/video information and be sent to the memory module and stored.
Further, the memory module includes mechanical hard disk, and/or solid state hard disc and/or safe digital card SD.
Further, the projection module includes liquid crystal display LCD projections and/or digital optical processing technique DLP projections.
Further, the projector equipment further includes alarm module, and the alarm module is connected with the control module, when
When the Video processing analysis module detection video information has abnormal, abnormal signal, the control are sent to the control module
Abnormal signal is sent to the alarm module and alarmed by molding block.
Further, the projector equipment further includes energy-saving control module, the energy-saving control module respectively with the throwing
Shadow module and control module connection, when Video processing analysis module detection video information has abnormal, to described
Control module sends abnormal signal, and the abnormal signal received is sent to the energy-saving control module, institute by the control module
Stating energy-saving control module controls the projection module change projection brightness to be projected.
Further, the communication interface include general-purpose serial bus USB, and/or RS485, and/or RS232, and/or
RJ45 interfaces, and/or high-definition multimedia interface HDMI, and/or Video Graphics Array USB interface and/or bayonet nut connect
Connect device bnc interface.
The utility model provides a kind of projector equipment, including decoder module, projection module and communication interface, the projection are set
It is standby to further include：Video processing analysis module；Wherein, the communication interface connects the decoder module, and is used for and external equipment
Connection；The decoder module is connected with the Video processing analysis module, and the decoder module receives the communication interface
Video information decoded, and decoded video information is sent to the Video processing analysis module；At the video
Reason analysis module is connected with the projection module, and the Video processing analysis module is docked received video information and carried out at analysis
Reason, and the video information after analyzing and processing is sent to the projection module and carries out Projection Display.In the utility model embodiment
The Video processing analysis module that the projector equipment of offer includes, what Video processing analysis module can receive communication interface
By the decoded video information of decoder module into being analyzed and processed, the video information after analyzing and processing is sent to projective module
Block carries out Projection Display, so the projector equipment in the utility model embodiment can realize the processing analysis work(to audio and video
Can, can meet the needs of video monitoring.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly introduced, it should be apparent that, drawings in the following description are only some implementations of the utility model
Example, without creative efforts, can also be according to these attached drawings for those of ordinary skill in the art
Obtain other attached drawings.
Fig. 1 is a kind of structure diagram for projector equipment that the utility model embodiment 1 provides；
Fig. 2 is a kind of structure diagram for projector equipment that the utility model embodiment 2 provides；
Fig. 3 is a kind of structure diagram for projector equipment that the utility model embodiment 3 provides；
Fig. 4 is a kind of structure diagram for projector equipment that the utility model embodiment 4 provides；
Fig. 5 is a kind of structure diagram for projector equipment that the utility model embodiment 5 provides.
Embodiment
In order to realize the processing analytic function to audio and video, meets the needs of video monitoring, the utility model provides one
Kind projector equipment.
In order to make the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality
It is new to be described in further detail, it is clear that described embodiment is only the utility model some embodiments, rather than
Whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment for being obtained, shall fall within the protection scope of the present invention.
Embodiment 1：
Fig. 1 is a kind of structure diagram for projector equipment that the utility model embodiment provides, and the projector equipment includes
Communication interface 11, decoder module 12, projection module 13, further include Video processing analysis module 14；Wherein,
The communication interface 11 connects the decoder module 12, and for being connected with external equipment；The decoder module 12
Be connected with the Video processing analysis module 14, the decoder module 12 to the video information that the communication interface 11 receives into
Row decoding, and decoded video information is sent to the Video processing analysis module 14；
The Video processing analysis module 14 is connected with the projection module 13, and the Video processing analysis module 14 is docked
Received video information is analyzed and processed, and the video information after analyzing and processing is sent to the projection module 13 and is thrown
Shadow is shown.
The video information that decoder module 12 in Fig. 1 receives communication interface 11 decodes, by decoded video
Information is sent to Video processing analysis module 14, and Video processing analysis module 14 is docked received video information and carried out at analysis
Reason, is sent to projection module 13 by the video information after analyzing and processing and carries out Projection Display.
Decoder module 12 can be used for decoding digital video information and/or analogue video signal, decoder module 12
Can be receiving or logical when receiving digital video information and analogue video signal by different communication interfaces 11
Identical communication interface 11 is crossed to receive.
In the utility model implementation, Video processing analysis module 14 spells the analyzing and processing of video information including picture
Connect, the analyzing and processing function of picture segmentation, picture taking turn, picture superposition, intelligent measurement and analysis etc. in common video information.
The communication interface 11 include USB (Universal Serial Bus, Universal Serial Bus), and/or RS485,
And/or RS232, and/or RJ45 interfaces, and/or high-definition multimedia interface HDMI, and/or Video Graphics Array USB interface
And/or bayonet nut connector bnc interface etc..
The projection module 13 includes LCD (Liquid Crystal Display, liquid crystal display) and/or DLP
(Digital Light Procession, digital optical processing technique) projects.
In addition, the projector equipment in the utility model embodiment is installed and adjusted when carrying out the Projection Display of video information
Examination is convenient, and the Projection Display of video information can be achieved without connecting externally connected with display screen, and in the maintenance reconstruction in later stage
Only need to be safeguarded for this projector equipment.
Decoder module 12, projection module 13 and Video processing analysis module 14 are existing module, and each module is corresponding
Circuit structure does not repeat in the utility model embodiment.
In the Video processing analysis module that the projector equipment that the utility model embodiment provides includes, Video processing analysis
Module communication interface can be received by the decoded video information of decoder module into analyzing and processing, at analysis
Video information after reason is sent to projection module and carries out Projection Display, so the projector equipment in the utility model embodiment can
Realize the processing analytic function to audio and video, can meet the needs of video monitoring.
Embodiment 2：
On the basis of above-described embodiment, in order to realize the control to projector equipment, Fig. 2 carries for the utility model embodiment
A kind of structure diagram of the projector equipment supplied, the projector equipment further include control module 25, and the control module connects respectively
Connect the communication interface 11 and the decoder module 12；
The video information that the control module 25 is received according to the communication interface 11, determines the mesh of the video information
Source is marked, according to the source of preservation and the correspondence of identification information, determines the corresponding target identification information in the target source,
The target identification information is carried the decoder module 12 is sent in the video information；
The decoder module 12 identifies the target identification information carried in the video information, when the definite target identification
When message identification carries out video analysis processing, the video information is decoded, and decoded video information is sent to
The Video processing analysis module 14.
The decoder module 12 is connected with the projection module 13, and the decoder module 12 is when the definite target identification letter
When breath mark is directly projected, the video information is decoded, and decoded video information is sent to the throwing
Shadow module 13 carries out Projection Display.
Because the projector equipment provided in the utility model can not only be realized first analyzes and processes reprojection to video information
Video monitoring demand, also possess the function of directly being projected to video information of common projector equipment, so in order to make projection
Whether equipment is distinguished needs first to analyze and process before projection, realizes the control to projector equipment, the throwing provided in the utility model
Control module 25 is further included in shadow equipment.
Control module 25 can be specifically CPU or MCU etc..
Control module 25 is connected with communication interface 11, and control module 25 can be believed according to the video that communication interface 11 receives
Breath, determines the target source of video information, and control module 25 is according to the target source of definite video information, it may be determined that video
Information is projected after directly decoding, and is still first decoded and is analyzed and processed last projection again.
Control module 25 can be located at which transmission channel of communication interface 11 according to video information, or send and regard
The type of the equipment of frequency information, to judge video information directly projects after whether decoding.Specifically, if it is determined that the video is believed
Directly projected after breath decoding, then can carry the identification information that mark is directly projected, if it is determined that to the video information
Video analysis is carried out, then can carry the identification information that mark carries out Video processing analysis.
Control module 25 is connected with decoder module 12, after the target source of video information is determined, according to the source of preservation
With the correspondence of identification information, the corresponding target identification information in target source is determined, definite target identification information is carried
Decoder module 12 is sent in video information, makes decoder module 12 according to the target identification carried in the video information recognized
Information, it is determined whether decoded video information is sent to video analysis processing.
If decoder module 12 determines that target identification is believed according to the target identification information carried in the video information recognized
When breath mark carries out Video processing analysis, video information is decoded, decoded video information is sent to Video processing
Analysis module 14；Decoder module 12 is connected with projection module 13, if decoder module 12 is taken according in the video information recognized
The target identification information of band, when determining that target identification information mark is directly projected, decodes video information, will decode
Video information afterwards is sent to projection module 13 and carries out Projection Display.
Since the control module in the projector equipment that is provided in the utility model embodiment determines the video information received
Target source, the corresponding target identification information in target source is carried decoder module is sent in video information, make decoding
Decoded video information is sent to projection module, or be destined to Video processing point by module according to target identification information
Module is analysed, realizes the control to projector equipment.
Embodiment 3：
On the basis of the various embodiments described above, in order to realize more preferable Projection Display effect, Fig. 3 is implemented for the utility model
A kind of structure diagram of the projector equipment provided in example, the control module 25 are connected with the projection module 13, the control
The projection control signal of generation is sent to the projection module 13 by molding block 25, and the projection module 13 is controlled.
The generation projection control signal of control module 25, when projection control signal includes controlling 13 Projection Display of projection module
Brightness, contrast etc., control module 25 will project control signal and is sent to projection module 13, and projection module 13 is controlled according to projection
Brightness, contrast in signal processed carry out corresponding Projection Display.
Control of the control module 25 to projection module 13 can be by the projection control unit in control module 25 into
Row control, projection control unit can be integrated in control module 25.
The generation projection control signal of control module 25 can be when control module 25 detects that projector equipment is direct after the power is turned on
Projection control instruction generation generate or according to the user received.Control module 25 receives the control of user
Instruction can be received according to control interface, and the control interface includes USB, and/or RS485 and/or RS232 etc..
The light source that projection module 13 is used in Projection Display includes but not limited to aurora, high-pressure sodium lamp etc..
Since the projection control information of generation is sent to projection module by control module in the utility model embodiment, realize
Control to projection module, it is achieved thereby that preferably Projection Display effect.
Embodiment 4：
On the basis of the various embodiments described above, in order to realize the store function of audio/video information, Fig. 4 is real for the utility model
A kind of structure diagram of projector equipment of example offer is applied, the projector equipment further includes coding module 46, the coding module
46 are connected with the communication interface 11 and the decoder module 12 respectively, and the coding module 46 receives the communication interface 11
The decoded video information coding that the audio-frequency information and the decoder module 12 arrived is sent is corresponding audio/video information.
The projector equipment further includes memory module 47；
The control module 25 is connected with the coding module 46 and the memory module 47 respectively, the control module 25
The video information of the transmission of decoder module 12 and/or the audio/video information of the transmission of the coding module 46 are received, is regarded by described in
Frequency information and/or the audio/video information are sent to the memory module 47 and are stored.
Coding module 46 is connected with communication interface 11, for receiving the audio-frequency information of the transmission of communication interface 11, coding module
46 are connected with decoder module 12, and for receiving the decoded video information of the transmission of decoder module 12, coding module 46 receives
Decoded video information can be decoded digital video information, industry can be decoded analogue video signal.But
It is due to that the capacity that the decoded digital video information of normal conditions accounts for is smaller, so decoder module 12 can not will be decoded
Digital video information is sent to coding module 46, and decoded digital video information can directly be stored without coding,
Reduce memory space of course for further, decoded digital video information can be sent to coding module by decoder module 12
46, coding module 46 encodes decoded digital video information, and the numeral after coding is stored.
The decoded video information and coded audio information that receive are corresponding audio/video information by coding module 46,
Audio/video information after coding is sent to control module 25, the audio/video information after coding is sent to storage by control module 25
Module 47 is stored.If decoded digital video information is not sent to coding module 46 by decoder module 12, decode
Module 12 decodes digital video information, and decoded digital video information is sent to control module 25, control module
Decoded digital video information is sent to memory module 47 by 25 to be stored.Control module 25 can also be by the sound after coding
Video information and decoded digital video information are sent to memory module 47 and store.
The memory module 47 include mechanical hard disk, and/or solid state hard disc and/or SD (Secure Digital Card,
Safe digital card).
In order to further realize the control to projector equipment, it can also be realized in the utility model embodiment and audio and video are believed
The playback of breath, control module 25 obtain the video of audio/video information to be played back, wherein audio/video information in memory module 47
Target identification information is carried in information, video information is sent to decoder module 12,12 basis of decoder module by control module 25
The target identification information carried in video information, it is determined whether decoded video information is sent to video analysis processing mould
Block.If decoder module 12 determines target identification information mark according to the target identification information carried in the video information recognized
When knowing progress Video processing analysis, decoder module 12 decodes video information, and decoded video information is sent to and is regarded
Video information after analyzing and processing is sent to projection module 13 and carried out by frequency processing analysis module 14, Video processing analysis module 14
Projection Display；If decoder module 12 determines target identification according to the target identification information carried in the video information recognized
When message identification is directly projected, decoder module 12 decodes video information, and decoded video information is sent to
Projection module 13 carries out Projection Display.
Storage and playback of the control module 25 to audio/video information can be recorded by the audio and video in control module 25
System is controlled with playback unit, and the audio and video are recorded can be integrated in control module 25 with playback unit.
Coding module 46 and memory module 47 are existing module, and the corresponding circuit structure of each module is real in the utility model
Apply in example and do not repeat.
Since control module receives the audio/video information after coding module coding in the utility model embodiment, or receive solution
The code decoded video information of module, is sent to memory module by video information and/or audio/video information and is stored, realized
To the store function of audio/video information.
Embodiment 5：
On the basis of the various embodiments described above, in order to realize the security monitoring function of projector equipment, Fig. 5 is the utility model
A kind of structure diagram for projector equipment that embodiment provides, the projector equipment further include alarm module 58, the alarm mould
Block 58 is connected with the control module 25, when the Video processing analysis module 14 detection video information has abnormal, to institute
State control module 25 and send abnormal signal, abnormal signal is sent to the alarm module 58 and is reported by the control module 25
It is alert.
The projector equipment further includes energy-saving control module 59, the energy-saving control module 59 respectively with the projection module
13 and the control module 25 connect, when the Video processing analysis module 14 detection video information has abnormal, to described
Control module 25 sends abnormal signal, and the abnormal signal received is sent to the energy-saving control module by the control module
59, the energy-saving control module 59 controls the projection module 13 to change projection brightness and is projected.
The monitoring area that Video processing analysis module 14 can be detected in video information is regarded with the presence or absence of exception, such as judgement
Whether someone enters in monitoring area where frequency information, or there are the abnormal conditions such as dynamic point, if Video processing is analyzed
It is abnormal that module 14 detects that the monitoring area in video information exists, then sends abnormal signal, control module to control module 25
Abnormal signal is sent to alarm module 58 and/or energy-saving control module 59 by 25, after alarm module 58 receives abnormal signal, hair
Go out warning information to alarm, energy-saving control module 59 controls projection module 13 to change projection brightness and projected.
Alarm module 58 sends warning information and alarms, and can send buzzing or is pop-up prompt message to accuse
It is abnormal to know that monitoring personnel exists.
In order to realize the control to projector equipment, energy-saving control module 59 control projection module 13 can make when without exception
Projection Display is carried out with relatively low brightness, if there is exception, in order to enable monitoring personnel rapidly to perceive video letter
There is exception in breath, then projection module 14 can be controlled to carry out Projection Display using higher brightness, at this moment can both realize exception
Alarm, can also realize the control to projector equipment.Otherwise similarly there are feasibility, energy-saving control module 59 is when without exception
Projection module 13 is controlled to carry out Projection Display using higher brightness, it is relatively low bright there are controlling projection module 13 to use during exception
Degree carries out Projection Display.
Since, when video information has exception, alarm module is alarmed, and/or energy saving in the utility model embodiment
Control module control projection module changes projection brightness and is projected, and to inform that it is abnormal that monitoring personnel exists, realizes projection and sets
Standby security monitoring function.
Although having been described for the preferred embodiment of the application, those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into all change and modification of the application scope.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
New spirit and scope.If in this way, these modifications and variations of the utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these modification and variations.
Claims (11)
1. a kind of projector equipment, including decoder module, projection module and communication interface, it is characterised in that the projector equipment is also
Including：Video processing analysis module；Wherein,
The communication interface connects the decoder module, and for being connected with external equipment；The decoder module and the video
Analysis module connection is handled, the video information that the decoder module receives the communication interface decodes, and will decoding
Video information afterwards is sent to the Video processing analysis module；
The Video processing analysis module is connected with the projection module, and the Video processing analysis module docks received video
Information is analyzed and processed, and the video information after analyzing and processing is sent to the projection module and carries out Projection Display.
2. projector equipment as claimed in claim 1, it is characterised in that the projector equipment further includes control module, the control
Molding block connects the communication interface and the decoder module respectively；
The video information that the control module is received according to the communication interface, determines the target source of the video information,
According to the source of preservation and the correspondence of identification information, the corresponding target identification information in the target source is determined, by described in
Target identification information carries and the decoder module is sent in the video information；
The decoder module identifies the target identification information carried in the video information, when the definite target identification information mark
When knowing progress video analysis processing, the video information is decoded, and decoded video information is sent to described regard
Frequency processing analysis module.
3. projector equipment as claimed in claim 2, it is characterised in that the decoder module is connected with the projection module, institute
Decoder module is stated when determining that the target identification information mark is directly projected, the video information is decoded, and
Decoded video information is sent to the projection module and carries out Projection Display.
4. projector equipment as claimed in claim 2 or claim 3, it is characterised in that the control module is connected with the projection module,
The projection control signal of generation is sent to the projection module by the control module, and the projection module is controlled.
5. projector equipment as claimed in claim 2, it is characterised in that the projector equipment further includes coding module, the volume
Code module is connected with the communication interface and the decoder module respectively, and the coding module receives the communication interface
The decoded video information coding that audio-frequency information and the decoder module are sent is corresponding audio/video information.
6. projector equipment as claimed in claim 5, it is characterised in that the projector equipment further includes memory module；
The control module is connected with the coding module and the memory module respectively, and the control module receives the decoding
The audio/video information that the video information and/or the coding module that module is sent are sent, by the video information and/or the sound
Video information is sent to the memory module and is stored.
7. projector equipment as claimed in claim 6, it is characterised in that the memory module includes mechanical hard disk, and/or solid-state
Hard disk and/or safe digital card SD.
8. such as claim 1-3 any one of them projector equipments, it is characterised in that the projection module includes liquid crystal display
LCD is projected and/or digital optical processing technique DLP projections.
9. projector equipment as claimed in claim 2, it is characterised in that the projector equipment further includes alarm module, the report
Alert module be connected with the control module, when Video processing analysis module detection video information presence is abnormal, to described
Control module sends abnormal signal, and abnormal signal is sent to the alarm module and alarmed by the control module.
10. projector equipment as claimed in claim 2, it is characterised in that the projector equipment further includes energy-saving control module, institute
State energy-saving control module to be connected with the projection module and the control module respectively, when the Video processing analysis module detects
When video information has abnormal, abnormal signal, the abnormal signal that the control module will receive are sent to the control module
The energy-saving control module is sent to, the energy-saving control module controls the projection module to change projection brightness and projected.
11. equipment as claimed in claim 1, it is characterised in that the communication interface include general-purpose serial bus USB, and/or
RS485, and/or RS232, and/or RJ45 interfaces, and/or high-definition multimedia interface HDMI, and/or Video Graphics Array
USB interface and/or bayonet nut connector bnc interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720897031.0U CN207304786U (en) | 2017-07-21 | 2017-07-21 | A kind of projector equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720897031.0U CN207304786U (en) | 2017-07-21 | 2017-07-21 | A kind of projector equipment |
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| Publication Number | Publication Date |
|---|---|
| CN207304786U true CN207304786U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720897031.0U Active CN207304786U (en) | 2017-07-21 | 2017-07-21 | A kind of projector equipment |
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2017
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