CN108650536A - Lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face - Google Patents

Lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face Download PDF

Info

Publication number
CN108650536A
CN108650536A CN201810528114.1A CN201810528114A CN108650536A CN 108650536 A CN108650536 A CN 108650536A CN 201810528114 A CN201810528114 A CN 201810528114A CN 108650536 A CN108650536 A CN 108650536A
Authority
CN
China
Prior art keywords
top box
big
face
fingerprint recognition
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810528114.1A
Other languages
Chinese (zh)
Inventor
袁仁兵
唐成
陆雨珂
杨宇翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TLG (SHANGHAI) ELECTRONICS CO Ltd
Original Assignee
TLG (SHANGHAI) ELECTRONICS CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TLG (SHANGHAI) ELECTRONICS CO Ltd filed Critical TLG (SHANGHAI) ELECTRONICS CO Ltd
Priority to CN201810528114.1A priority Critical patent/CN108650536A/en
Publication of CN108650536A publication Critical patent/CN108650536A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/426Internal components of the client ; Characteristics thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/441Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card
    • H04N21/4415Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card using biometric characteristics of the user, e.g. by voice recognition or fingerprint scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The invention discloses one kind leading to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face,The set-top box functionality is more,Circuit board is Integration Design,Projecting apparatus is arranged in set-top box side,Fingerprint identification device,Face identification device and cigarette sensing device,Projecting apparatus is used to project the video or picture in TF card,It can also be connect by bluetooth module or WIFI module with mobile phone,Screen on mobile phone to television set or is projected on metope with voice transmission,Fingerprint identification device can prevent child from opening set-top box,Face identification device also can be prevented from child and open set-top box,Cigarette sensing device is for detecting indoor smog,Warning information is sent in time on the mobile phone of user or on set-top box background server once detecting,The staff of background server views warning information can phone user in time.Big-dipper satellite locating module is provided on pcb board plate body, big-dipper satellite locating module is for positioning set-top box.

Description

Lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face
Technical field
The present invention relates to set-top boxes, particularly relate to one kind and being based on big-dipper satellite positioning and fingerprint recognition of face in every family Logical direct broadcast satellite set-top box.
Background technology
Set-top box is the equipment for connecting television set and outside source, and the front-end digital signal that television set receives is converted into Analog signal output is to television set.Existing set-top box is generally made of power panel, audio/video decoding plate and front display board. Since the audio-visual equipment in user family such as television set, projecting apparatus come from different producers, thus usually have the function of various Device and appearance and modeling, and also need to different mounting means.In this way, in the collocation installation of set-top box and audio-visual equipment, often It can often encounter that placement space is insufficient, cabling is in disorder, is inconvenient to control the problems such as using.With internet network speed be substantially improved with And there is Internet video resource magnanimity advantage, network machine top box to have come into huge numbers of families, added to people’s lives rich Rich color.The function of network machine top box is not only more and more perfect, in order to adapt to the needs of the convenient life of people, network machine top box Design it is also more and more small and exquisite.
In the prior art, there are following technical problems for set-top box:
(1), will meet set-top box functionality it is comprehensive on the basis of realize miniaturization, it is necessary to miniaturization manufacture set-top box Function module increases the manufacturing cost of set-top box;
(2), function is less in miniaturization set-top box space, and due to being household supplies, product is needed to integrated development;
(3), current set-top box is typically all to be positioned over television set side, only has the function of connecting TV.
Invention content
For deficiency in the prior art, the technical problem to be solved in the present invention is the provision of a kind of based on big-dipper satellite Direct broadcast satellite set-top box is led in positioning and fingerprint recognition of face in every family.
In order to solve the above technical problems, the present invention is realized by following scheme:Based on big-dipper satellite positioning and fingerprint people Direct broadcast satellite set-top box is led in face identification in every family, which includes box body and the pcb board body being set in box body, on pcb board body MCU processing modules are provided with, are respectively arranged in shell ring side:
Loudspeaker and radiator share guard, and double horn side is installed on tray interior and its direction of speaking is towards loudspeaker and heat dissipation Body shares guard, and double fan side is installed on tray interior and its air-out direction shares guard towards loudspeaker and radiator;
TF card slot, for inserting TF card;
Multiple USB jacks;
Camera, the camera circuit are connected with face recognition module;
The slope of fingerprint recognition slot, the fingerprint recognition slot is provided with fingerprint identification module;
Cigarette sensing device, the cigarette sense that cigarette sensing device is provided with cigarette inductive probe and is connect with the cigarette inductive probe circuit Answer module;
Projection arrangement, the projection arrangement are built-in with projection module;
Atomizer arrangement, the atomizer arrangement include drawer box and the atomized liquid being set in drawer box storage Slot is glued with heat generating device under the drawer box;
The MCU processing modules circuit connection TF card slot, multiple USB jacks, face recognition module, fingerprint recognition mould Block, projection module, cigarette induction module, atomizer arrangement and the WIFI module being set on pcb board body, bluetooth module;
Be additionally provided on the pcb board body connect with the MCU processing modules circuit for positioning set-top box position Big-dipper satellite locating module.
Further, cassette upper end face center is vertically connected with connecting rod, and the connecting rod upper end is nibbled with a pullover Connection is closed, the pullover top horizontal is fixed with one first screw rod.
Further, first screw rod upper end is provided with several first pulleys, is arranged on the downside of first spiro rod rear end There are the first nut, the first nut screw thread to be socketed with the first moving screw, first moving screw is connected to horizontal fixation First motor.
Further, the first motor, first pulley, the first screw rod, the first moving screw are set to a first motor In shell, it is provided with sliding slot on the upside of the first motor shell inner cavity, the first pulley is placed in the first sliding groove.
Further, first motor shell upper end is vertically connected with the second moving screw, and second screw rod is lateral It is provided with the second idler wheel, another lateral upper end is provided with the second nut, and the second nut screw thread is socketed with the second screw rod, Second screw rod is connected to the driving portion of the second motor, and the second screw rod end set has block, second movable screw Bar, the second idler wheel, the second screw rod are accommodated in the second motor housing inner cavity, and second motor housing inner cavity is provided with the second cunning Slot, second idler wheel are placed in the second sliding slot.
Further, second motor housing rear portion is provided with the second motor cabinet, and second motor cabinet is fixed on day On card plate body.
Further, connecting rod upper end outer wall is provided with groove, and end is connected with a round block, the pullover on it It is provided with interior groove, the recessed circle of a circle is provided on the upside of interior groove, a round block is placed in a recessed circle, and makes groove in groove engagement.
Compared with the existing technology, the beneficial effects of the invention are as follows:Set-top box functionality of the present invention is more, and circuit board is integrated Change design, set-top box side setting projecting apparatus, fingerprint identification device, face identification device and cigarette sensing device, projecting apparatus are used for The video or picture in TF card are projected, can also be connect with mobile phone by bluetooth module or WIFI module, by the screen on mobile phone Curtain to television set or projects on metope with voice transmission, and fingerprint identification device can prevent child from opening set-top box, and face is known Other device also can be prevented from child and open set-top box, and cigarette sensing device is for detecting indoor smog, once detect timely hair Send warning information on the mobile phone of user or on set-top box background server, the staff of background server views alarm signal Breath can phone user in time.Big-dipper satellite locating module is provided on pcb board plate body, big-dipper satellite locating module is used for Set-top box is positioned, when breaking down or when other emergencies, staff is quickly found by big-dipper satellite locating module The corresponding position of set-top box.
Description of the drawings
Fig. 1 is set-top box box portion structural schematic diagram of the present invention;
Fig. 2 is set-top box box portion of the present invention other side structural schematic diagram;
Fig. 3 is set-top box mounting structure schematic diagram of the present invention;
Fig. 4 is the fan structure and horn structure schematic diagram inside set-top box of the present invention.
Specific implementation mode
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Attached drawing 1-4 is please referred to, it is of the invention that direct broadcast satellite machine is led to based on big-dipper satellite positioning and fingerprint recognition of face in every family Top box, the set-top box include box body 1 and the pcb board body being set in box body 1, and MCU processing modules are provided on pcb board body, Shell ring side is respectively arranged with:
Loudspeaker and radiator share guard 9,27 side of double horn be installed on tray interior and its direction of speaking towards loudspeaker and Radiator shares guard 9, and 26 side of double fan is installed on tray interior and its air-out direction shares guard towards loudspeaker and radiator 9;
TF card slot 8, for inserting TF card;
Multiple USB jacks 7;
Camera 6,6 circuit of the camera are connected with face recognition module;
The slope of fingerprint recognition slot 5, the fingerprint recognition slot 5 is provided with fingerprint identification module;
Cigarette sensing device 4, the cigarette that cigarette sensing device 4 is provided with cigarette inductive probe and is connect with the cigarette inductive probe circuit Induction module;
Projection arrangement 10, the projection arrangement 10 are built-in with projection module;
Atomizer arrangement, the atomizer arrangement include that drawer box 25 and the atomized liquid being set in the drawer box 25 are received It receives slot 24, heat generating device is glued under the drawer box 25;
The MCU processing modules circuit connection TF card slot 8, multiple USB jacks 7, face recognition module, fingerprint recognition mould Block, projection module, cigarette induction module, atomizer arrangement and the WIFI module being set on pcb board body, bluetooth module;
Be additionally provided on the pcb board body connect with the MCU processing modules circuit for positioning set-top box position Big-dipper satellite locating module.
A kind of optimal technical scheme of the present embodiment:1 upper surface center of the box body is vertically connected with connecting rod 2, described 2 upper end of connecting rod engages connection with a pullover 20, and 20 top horizontal of the pullover is fixed with one first screw rod 18.
A kind of optimal technical scheme of the present embodiment:First screw rod, 18 upper end is provided with several first pulleys 19, institute It states and is provided with the first nut 22 on the downside of 18 rear end of the first screw rod, 22 screw thread of the first nut is socketed with the first moving screw 24, First moving screw 24 is connected to horizontal fixed first motor 23.
A kind of optimal technical scheme of the present embodiment:The first motor 23, first pulley 19, the first screw rod 18, first Moving screw 24 is set in a first motor shell, is provided with sliding slot on the upside of the first motor shell inner cavity, and described first Pulley 19 is placed in the first sliding groove.
A kind of optimal technical scheme of the present embodiment:First motor shell upper end is vertically connected with the second moving screw 17, second screw rod 17 is laterally disposed the second idler wheel, and another lateral upper end is provided with the second nut 15, and described second 15 screw thread of nut is socketed with the second screw rod 14, and second screw rod 14 is connected to the driving portion of the second motor 12, second spiral shell 14 end set of bar has block 16, second moving screw 17, the second idler wheel, the second screw rod 14 to be accommodated in the second motor housing 13 inner cavities, 13 inner cavity of the second motor housing are provided with second sliding slot, and second idler wheel is placed in the second sliding slot.
A kind of optimal technical scheme of the present embodiment:Second motor housing, 13 rear portion is provided with the second motor cabinet 11, Second motor cabinet 11 is fixed on ceiling plate body.
A kind of optimal technical scheme of the present embodiment:2 upper end outer wall of the connecting rod is provided with groove 21, and holds on it It is connected with a round block, the pullover 20 is provided with interior groove, is provided with the recessed circle of a circle on the upside of interior groove, a round block is placed on a recessed circle It is interior, and groove 21 is made to engage interior groove.
Set-top box functionality of the present invention is more, and circuit board is Integration Design, and projecting apparatus is arranged in set-top box side, fingerprint is known Other device, face identification device and cigarette sensing device, projecting apparatus are used to project the video or picture in TF card, can also pass through Bluetooth module or WIFI module are connect with mobile phone, and the screen on mobile phone to television set or is projected on metope with voice transmission, Fingerprint identification device can prevent child from opening set-top box, and face identification device also can be prevented from child and open set-top box, cigarette Sensing device sends warning information on the mobile phone of user or set-top box background in time for detecting indoor smog, once detecting On server, the staff of background server views warning information can phone user in time.It is set on pcb board plate body It is equipped with big-dipper satellite locating module, big-dipper satellite locating module is for positioning set-top box, when breaking down or other emergencies When, staff quickly finds the corresponding position of set-top box by big-dipper satellite locating module.
In the present embodiment, the second motor 12 drives the rotation of the second screw rod 14, the second screw rod 14 that the second nut 15 is driven to do It moves up and down, the welding of second nut, 15 and second moving screw 17, the second nut 15 the second moving screw 17 of drive is the It moves up and down on two sliding slots, the second moving screw 17 drives the first motor component of lower end to move up and down, first motor 23 Driving portion drive the rotation of the first screw rod 24, the first screw rod 24 rotation the first nut 22 of driving to do horizontal direction side-to-side movement, the One nut 22 drives the first moving screw 18 to do side-to-side movement, and the first moving screw 18 drives pullover 20 to do side-to-side movement, pullover 20 drive set-top box box portions do side-to-side movement, the position for adjusting projecting apparatus.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every profit The equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other phases The technical field of pass, is included within the scope of the present invention.

Claims (7)

1. leading to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face, which includes box body (1) And it is set to the pcb board body in box body (1), it is provided with MCU processing modules on pcb board body, which is characterized in that in shell ring side It is respectively arranged with:
Loudspeaker and radiator share guard (9), double horn (27) side be installed on tray interior and its direction of speaking towards loudspeaker and Radiator shares guard (9), and double fan (26) side is installed on tray interior and its air-out direction is shared towards loudspeaker and radiator Guard (9);
TF card slot (8), for inserting TF card;
Multiple USB jacks (7);
Camera (6), ((6) circuit is connected with face recognition module to the camera;
The slope of fingerprint recognition slot (5), the fingerprint recognition slot (5) is provided with fingerprint identification module;
Cigarette sensing device (4), the cigarette that cigarette sensing device (4) is provided with cigarette inductive probe and is connect with the cigarette inductive probe circuit Induction module;
Projection arrangement (10), the projection arrangement (10) are built-in with projection module;
Atomizer arrangement, the atomizer arrangement include that drawer box (25) and the atomized liquid being set in the drawer box (25) are received It receives slot (24), heat generating device is glued under the drawer box (25);
The MCU processing modules circuit connection TF card slot (8), multiple USB jacks (7), face recognition module, fingerprint recognition mould Block, projection module, cigarette induction module, atomizer arrangement and the WIFI module being set on pcb board body, bluetooth module;
The Big Dipper for positioning set-top box position being connect with the MCU processing modules circuit is additionally provided on the pcb board body Satellite positioning module.
2. according to claim 1 lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face, It is characterized in that:Box body (1) the upper surface center is vertically connected with connecting rod (2), connecting rod (2) upper end and a pullover (20) engagement connection, pullover (20) top horizontal are fixed with one first screw rod (18).
3. according to claim 2 lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face, It is characterized in that:First screw rod (18) upper end is provided with several first pulleys (19), under the first screw rod (18) rear end Side is provided with the first nut (22), and the first nut (22) screw thread is socketed with the first moving screw (24), first activity Screw rod (24) is connected to horizontal fixed first motor (23).
4. according to claim 3 lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face, It is characterized in that:The first motor (23), first pulley (19), the first screw rod (18), the first moving screw (24) are set to In one first motor shell, sliding slot is provided on the upside of the first motor shell inner cavity, the first pulley (19) is placed in described In the first sliding groove.
5. according to claim 4 lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face, It is characterized in that:First motor shell upper end is vertically connected with the second moving screw (17), the second screw rod (17) side To the second idler wheel is provided with, another lateral upper end is provided with the second nut (15), the second nut (15) screw thread socket There are the second screw rod (14), second screw rod (14) to be connected to the driving portion of the second motor (12), the second screw rod (14) end Portion is provided with block (16), and second moving screw (17), the second idler wheel, the second screw rod (14) are accommodated in the second motor housing (13) inner cavity, the second motor housing (13) inner cavity are provided with second sliding slot, and second idler wheel is placed in the second sliding slot It is interior.
6. according to claim 5 lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face, It is characterized in that:Second motor housing (13) rear portion is provided with the second motor cabinet (11), and second motor cabinet (11) is solid It is scheduled on ceiling plate body.
7. according to claim 2 lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face, It is characterized in that:Connecting rod (2) upper end outer wall is provided with groove (21), and end is connected with a round block, the set on it Head (20) is provided with interior groove, is provided with the recessed circle of a circle on the upside of interior groove, a round block is placed in a recessed circle, and groove (21) is made to nibble Groove in closing.
CN201810528114.1A 2018-05-28 2018-05-28 Lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face Pending CN108650536A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810528114.1A CN108650536A (en) 2018-05-28 2018-05-28 Lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810528114.1A CN108650536A (en) 2018-05-28 2018-05-28 Lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face

Publications (1)

Publication Number Publication Date
CN108650536A true CN108650536A (en) 2018-10-12

Family

ID=63758280

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810528114.1A Pending CN108650536A (en) 2018-05-28 2018-05-28 Lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face

Country Status (1)

Country Link
CN (1) CN108650536A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111412587A (en) * 2020-03-31 2020-07-14 广东美的制冷设备有限公司 Voice processing method and device of air conditioner, air conditioner and storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050071375A1 (en) * 2003-09-30 2005-03-31 Phil Houghton Wireless media player
CN106201390A (en) * 2015-05-29 2016-12-07 三星电子株式会社 Method and the electronic installation of support the method for output screen
CN206004801U (en) * 2016-08-31 2017-03-08 福建二菱电子有限公司 A kind of portable external member of projection integration machine
CN107654822A (en) * 2017-10-15 2018-02-02 重庆美亚美凯科技有限公司 The television set suspension holdfast automatically adjusted
CN207215152U (en) * 2017-09-29 2018-04-10 浙江八方电信有限公司 A kind of sensor for NB IOT systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050071375A1 (en) * 2003-09-30 2005-03-31 Phil Houghton Wireless media player
CN106201390A (en) * 2015-05-29 2016-12-07 三星电子株式会社 Method and the electronic installation of support the method for output screen
CN206004801U (en) * 2016-08-31 2017-03-08 福建二菱电子有限公司 A kind of portable external member of projection integration machine
CN207215152U (en) * 2017-09-29 2018-04-10 浙江八方电信有限公司 A kind of sensor for NB IOT systems
CN107654822A (en) * 2017-10-15 2018-02-02 重庆美亚美凯科技有限公司 The television set suspension holdfast automatically adjusted

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111412587A (en) * 2020-03-31 2020-07-14 广东美的制冷设备有限公司 Voice processing method and device of air conditioner, air conditioner and storage medium

Similar Documents

Publication Publication Date Title
US10917545B2 (en) Camera module and electronic device
US9645605B2 (en) Display apparatus having deformable display module and method of controlling the same
US20200218140A1 (en) Indoor Intelligent Home Stereo Projector with 360-Degree Rotation
CN205305032U (en) Multi -functional spectral analysis STB
US20140232865A1 (en) Display apparatus
CN206093986U (en) Intelligence lamp decoration projection movie & TV machine
CN108650536A (en) Lead to direct broadcast satellite set-top box in every family based on big-dipper satellite positioning and fingerprint recognition of face
US20060164753A1 (en) External computer hard drive and heat-dissipating base thereof
US20220217273A1 (en) Spherical camera with magnetic base
CN107295440B (en) Intelligent projection sound box
US8570724B2 (en) Self-adjustment suspension apparatus and electronic device with same
CN113518252B (en) Electronic equipment eyesight protection alarm device and use method thereof
JP2005267675A (en) Electronic equipment which can be used for both of laid arrangement and wall mounting
CN205986944U (en) Multi -media network camera equipment
CN115052084B (en) Camera head
CN208114425U (en) Electronics frame based on WIFI
CN210120995U (en) Sound box integrated projection television cabinet
CN212565407U (en) Multi-functional wisdom desk lamp
JP2016024309A (en) Display device, projector device, lighting device, and display system
CN219775340U (en) Double-shaft rotary multifunctional projector
CN204887224U (en) Projection device
CN212785588U (en) Television plastic part splicing structure
CN218301463U (en) Intelligent interactive conference all-in-one machine
CN214070001U (en) Medical real-time synchronous audio-video equipment
CN209590511U (en) A kind of dust-proof projector

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181012

RJ01 Rejection of invention patent application after publication