CN106526924A - Angle-adjustable liquid crystal display screen device - Google Patents

Angle-adjustable liquid crystal display screen device Download PDF

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Publication number
CN106526924A
CN106526924A CN201710054823.6A CN201710054823A CN106526924A CN 106526924 A CN106526924 A CN 106526924A CN 201710054823 A CN201710054823 A CN 201710054823A CN 106526924 A CN106526924 A CN 106526924A
Authority
CN
China
Prior art keywords
block
power transmission
connects
sliding
peace
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.)
Granted
Application number
CN201710054823.6A
Other languages
Chinese (zh)
Other versions
CN106526924B (en
Inventor
陈佳佳
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.)
He Yingzhituo photoelectricity technology corporation, Ltd. of Shenzhen
Original Assignee
陈佳佳
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 陈佳佳 filed Critical 陈佳佳
Priority to CN201710054823.6A priority Critical patent/CN106526924B/en
Publication of CN106526924A publication Critical patent/CN106526924A/en
Application granted granted Critical
Publication of CN106526924B publication Critical patent/CN106526924B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1323Arrangements for providing a switchable viewing angle

Abstract

The invention discloses an angle-adjustable liquid crystal display screen device which comprises a mounting body and a power transmission body. The mounting body comprises a driving portion and a mounting portion, a slip groove is formed in the driving portion, a threaded rod is arranged in the slip groove and connected with a slip block in a threaded fit manner, the tail end of the right side of the threaded rod is connected with a motor through power, the bottom of the slip block is fixedly connected with the top of the power transmission body, a mounting block is arranged outside the left side of the mounting portion, a first slip cavity and a second slip cavity are formed in the right side of the power transmission body, a first barrier is arranged between the first slip cavity and the second slip cavity, power transmission slip blocks in sliding fit are arranged in the second slip cavity, a first concave groove and a second concave groove are formed in the power transmission slip block, a second barrier is arranged between the first concave groove and the second concave groove, side joint grooves are symmetrically formed in the upper power transmission slip block and the lower power transmission slip block on the right side of the first concave groove, and power transmission connection holes are formed in the inner walls of the right sides of the side joint grooves. The angle-adjustable liquid crystal display screen device is simple in structure and convenient to operate, inserting connection is automatically controlled, viewing angles are conveniently adjusted, the service life is prolonged, and safety is improved.

Description

A kind of LCD device of adjustable angle
Technical field
The present invention relates to display screen technology field, particularly a kind of LCD device of adjustable angle.
Background technology
Display screen using when generally require by bracing frame thereon to lay support and adjustable visual angle, therefore bracing frame is The inseparable important conjunction of display screen and matching component, rational support frame structure not only can provide one more to user Well more comfortable use condition, existing display screen are all integrally fixed at a position, then position of the beholder according to display screen Adjust the position of itself to be watched, or by adjusting the angle viewing of display screen, and existing many advertisings are aobvious Display screen installation site has certain altitude apart from ground, and installation exercise trouble is all to adjust by manpower movement to display screen regulation And power transmission connection, cause the life inconvenience to people, it is impossible to meet existing use demand.
The content of the invention
The technical problem to be solved is to provide a kind of LCD device of adjustable angle, and which can solve the problem that Above-mentioned existing problem in the art.
The present invention is achieved through the following technical solutions:A kind of LCDs dress of the adjustable angle of the present invention Put, main body and power transmission main body are connect including the peace being made up of driving section and peace socket part, sliding groove, institute are provided with inside the driving section State and in sliding groove, be provided with spiral bar, spiral line is connected with trolley shoe on the spiral bar, the spiral bar right end with Motor power connects, and the trolley shoe bottom is fixedly connected with the power transmission body top, and the peace socket part left hand external is provided with Peace connects block, internal on the right side of the power transmission main body to be provided with the first sliding chamber and the second sliding chamber, the described first sliding chamber and described the The first barriers are provided between two sliding chambers, in the described second sliding chamber, the power transmission trolley shoe being slidably matched, the power transmission is provided with The first Baltimore groove and the second Baltimore groove are provided with trolley shoe, between first Baltimore groove and second Baltimore groove, second is provided with Barriers, are arranged with side joint groove, the side joint in power transmission trolley shoe described in first Baltimore groove both sides up and down on the right side On the right side of groove, inwall is provided with power transmission and connects hole, and first Baltimore groove Slideslip that keeps left is connected with first and connects block, and described first leads Connect block outer wall on the right side and be symmetrically arranged on two with side joint block up and down, the side joint block is stretched in the side joint groove and the company of being slidably matched Connect, the side joint block its right end face is provided with the first plug-in needle, described first connects relative second obstruct of block its right end face Part is provided with deep gouge, is provided with and connects the second bullet part that block its right end face is abutted against with described first in the deep gouge, and described second The second of sliding connection is provided with Baltimore groove and connects block, described second connects block its right end face is provided with the second plug-in needle, institute State peace and connect and be just provided with the right side of main body display screen, top and the peace are set between connecing above main body its right end face on the left of the display screen Angled adjuster, on the left of the display screen, lower section and the peace are provided with fixed articulated elements between connecing below main body its right end face.
Preferably technical scheme, the peace connect.
Preferably technical scheme, the outer surface of motor are embedded in the driving section and are fixedly connected.
Preferably technical scheme, the power transmission trolley shoe left end face are provided with connection sliding-contacted rod, and the connection is slipped Bar extends through that the first barriers are stretched in the described first sliding chamber and end is fixed with gear and connects block, the connection to the left Sliding-contacted rod and the first barriers sliding connection, the connection sliding-contacted rod upper annular winding in the described second sliding chamber There is the first bullet part.
Preferably technical scheme, is electrically connected between first plug-in needle and second plug-in needle.
Preferably technical scheme, it is equal that the power transmission main body its right end face connects tile height with the peace.
Preferably technical scheme, described first connects block and described second connects block front/rear end respectively with described Before and after two sliding chambers, inwall is fixedly connected.
The invention has the beneficial effects as follows:
1. by setting sliding groove inside driving section, spiral bar is set in sliding groove, on spiral bar, spiral line is connected trolley shoe, spiral shell Shape bar right end is connected with motor power, and trolley shoe bottom is fixedly connected with power transmission body top, so as to realize automatically controlling Power transmission grafting, reduces operating personnel labour, improves operating efficiency.
2. the first sliding chamber and the second sliding chamber, the first sliding chamber and the second sliding chamber are set by internal on the right side of power transmission main body Between set the first barriers, set the power transmission trolley shoe being slidably matched in the second sliding chamber, in power transmission trolley shoe, set the first Baltimore groove With the second Baltimore groove, the second barriers between the first Baltimore groove and the second Baltimore groove, are set, the first Baltimore groove 41 on the right side upper and lower Side joint groove is arranged with the power transmission trolley shoe of both sides, inwall sets power transmission and connects hole on the right side of side joint groove, the first Baltimore groove keeps left Slideslip Connection sets first and connects block, and first connects the upper and lower both sides of block outer wall on the right side symmetrically sets side joint block, and side joint block its right end face sets First plug-in needle, first to connect and set deep gouge on relative second barriers of block its right end face, sets and connect with first in deep gouge The second bullet part that block its right end face is abutted against, sets the second of sliding connection and connects block in the second Baltimore groove, second connects block Its right end face sets the second plug-in needle, so as to realize that power transmission unit is located in power transmission main body, connects block by power transmission trolley shoe and peace and matches somebody with somebody Conjunction realizes that power transmission connects, and connects block disengaging by power transmission trolley shoe and peace and realizes power-off, and preventing personnel from touching power transmission unit by mistake causes to touch Electrification occurs, while the second plug-in needle is located at power transmission body interior, reducing causes the second plug-in needle to damage because of external force collision.
3. present configuration is simple, and simple operation automatically controls grafting, is easy to adjust viewing angle, improves and use the longevity Life and security.
Description of the drawings
For ease of explanation, the present invention is described in detail by following specific embodiments and accompanying drawing.
Fig. 1 is a kind of LCD device internal structure schematic diagram of adjustable angle of the present invention;
Fig. 2 is a kind of LCD device grafting process schematic of adjustable angle of the present invention;
Fig. 3 is that a kind of LCD device grafting of adjustable angle of the present invention completes schematic diagram;
Fig. 4 is that the first of the present invention connects block and second and connect the structural representation of block;
Fig. 5 is that the peace of the present invention connects the partial structural diagram that main body is connected with display screen.
Specific embodiment
As Figure 1-Figure 5, the LCD device of a kind of adjustable angle of the invention, including by driving section 12 and peace The peace of the composition of socket part 11 connects main body 1 and power transmission main body 2, and sliding groove 121, the sliding groove are provided with inside the driving section 12 Spiral bar 122 is provided with 121, spiral line is connected with trolley shoe 124 on the spiral bar 122, on the right side of the spiral bar 122 End and 123 power connector of motor, 124 bottom of the trolley shoe are fixedly connected with the top of the power transmission main body 2, the peace socket part 11 left hand externals are provided with peace and connect block 111, internal on the right side of the power transmission main body 2 to be provided with the first sliding chamber 31 and the second sliding chamber 3, institute State and between the first sliding chamber 31 and the second sliding chamber 3, be provided with the first barriers 32, in the described second sliding chamber 3, be provided with slip The power transmission trolley shoe 4 of cooperation, is provided with the first Baltimore groove 41 and the second Baltimore groove 43 in the power transmission trolley shoe 4, and described first is recessed The second barriers 44, the both sides up and down on the right side of first Baltimore groove 41 are provided between shape groove 41 and second Baltimore groove 43 It is arranged with side joint groove 42 in the power transmission trolley shoe 4,42 right side inwall of the side joint groove is provided with power transmission and connects hole 421, described the One Baltimore groove 41 Slideslip that keeps left is connected with first and connects block 33, and described first connects the upper and lower both sides of the outer wall on the right side of block 33 Side joint block 331 is arranged with, the side joint block 331 is stretched in the side joint groove 42 and sliding connection, the side joint block 331 Its right end face is provided with the first plug-in needle 332, and described first connects and set on relative second barriers 44 of 33 its right end face of block There is a deep gouge 45, be provided with the deep gouge 45 and the second bullet part 46 that 33 its right end face of block is abutted against connected with described first, described the The second of sliding connection is provided with two Baltimore grooves 43 and connects block 5, described second connects 5 its right end face of block is provided with the second grafting Pin 51, the peace connect, and on the left of the display screen 6, top connects 1 right-hand end of main body with the peace Angle demodulator 62 is provided between above face, between lower section and the peace are connect below 1 its right end face of main body on the left of the display screen 6 It is provided with fixed articulated elements 61.
Wherein, the peace connects and is provided with peace in block 111 and connects hole 112.
Wherein, 123 outer surface of the motor is embedded in the driving section 12 and is fixedly connected, and improves motor 123 and runs surely It is qualitative.
Wherein, 4 left end face of power transmission trolley shoe is provided with connection sliding-contacted rod 47, and the connection sliding-contacted rod 47 prolongs to the left Stretch and run through that the first barriers 32 are stretched in the described first sliding chamber 31 and end is fixed with gear and connects block 49, the connection is sliding Bar 47 and 32 sliding connection of the first barriers, 47 upper annular of connection sliding-contacted rod in the described second sliding chamber 3 The first bullet part 48 is arranged with, so as to realizing power transmission stability and power transmission trolley shoe 4 being positioned.
Wherein, it is electrically connected between first plug-in needle 332 and second plug-in needle 51.
Wherein, to connect block 111 with the peace highly equal for 2 its right end face of power transmission main body, so as to realize compressing power transmission cunning Its right end face of block 4 is connect, and is made the second plug-in needle 51 112 grafting of hole be connect with peace and is connected.
Wherein, described first connect block 33 and described second connect 5 front/rear end of block respectively with the described second sliding chamber 3 Inwall is fixedly connected in front and back, so as to realize carrying out guiding sliding connection to power transmission trolley shoe 4.
During original state, 4 right-hand end of power transmission trolley shoe is made by the top pressure active force of the first bullet part 48 and the second bullet part 46 Face is in same level with its right end face of power transmission main body 2, meanwhile, gear connects block 49 by the first bullet part 48 and the second bullet part 46 Pulling force makes gear connect 49 its right end face of block to abut against with 32 left end face of the first barriers, and now, first connects block 33 positioned at first Left-most position in Baltimore groove 41, side joint block 331 are located at the left-most position in side joint groove 42, first on side joint block 331 Plug-in needle 332 at utmost connects hole 421 away from power transmission, meanwhile, second connects leftmost side position of the block 5 in the second Baltimore groove 43 Put, now, trolley shoe 124 is located at 121 left-most position of sliding groove.
When needing connection, spiral bar 122 is controlled by motor 123 and is rotated, by spiral bar 122 drive trolley shoe 124 and The power transmission main body 2 of 124 bottom of trolley shoe gradually side shifting to the right, such as Fig. 2 is until 4 its right end face of power transmission trolley shoe connects block with peace 111 left end faces are abutted against, and now, are continued controlled motor 123 and are rotated, make power transmission trolley shoe 4 overcome the first bullet part 48 and second The top pressure active force of bullet part 46 is relative to the side shifting to the left of power transmission main body 2, simultaneously as first connects block 33 and second and connect block 5 front/rear ends are fixedly connected with inwall before and after the second sliding chamber 3 in power transmission main body 2 respectively, make first to connect block 33 and the Two connect block 5 continues to move right, such as Fig. 3 until when its right end face of power transmission main body 2 is offseted with peace 11 left side outer wall of socket part, this Shi An connects that block 111 is fully inserted in the second sliding chamber 3 and peace connects 111 left end face of block with the second its right end face phase for connecting block 5 Abut, meanwhile, 51 fully-inserted peace of the second plug-in needle connects in hole 112, now, and the second bullet part 46 is entirely retracted in deep gouge 45, the One connects 33 its right end face of block is abutted against with 44 left end face of the second barriers, meanwhile, side joint block 331 is moved in side joint groove 42 The rightmost side, the first plug-in needle 332 connects hole 421 with power transmission and is fully engaged, so as to realize that equipment power transmission connects.
The invention has the beneficial effects as follows:
1. by setting sliding groove inside driving section, spiral bar is set in sliding groove, on spiral bar, spiral line is connected trolley shoe, spiral shell Shape bar right end is connected with motor power, and trolley shoe bottom is fixedly connected with power transmission body top, so as to realize automatically controlling Power transmission grafting, reduces operating personnel labour, improves operating efficiency.
2. the first sliding chamber and the second sliding chamber, the first sliding chamber and the second sliding chamber are set by internal on the right side of power transmission main body Between set the first barriers, set the power transmission trolley shoe being slidably matched in the second sliding chamber, in power transmission trolley shoe, set the first Baltimore groove With the second Baltimore groove, the second barriers between the first Baltimore groove and the second Baltimore groove, are set, the first Baltimore groove 41 on the right side upper and lower Side joint groove is arranged with the power transmission trolley shoe of both sides, inwall sets power transmission and connects hole on the right side of side joint groove, the first Baltimore groove keeps left Slideslip Connection sets first and connects block, and first connects the upper and lower both sides of block outer wall on the right side symmetrically sets side joint block, and side joint block its right end face sets First plug-in needle, first to connect and set deep gouge on relative second barriers of block its right end face, sets and connect with first in deep gouge The second bullet part that block its right end face is abutted against, sets the second of sliding connection and connects block in the second Baltimore groove, second connects block Its right end face sets the second plug-in needle, so as to realize that power transmission unit is located in power transmission main body, connects block by power transmission trolley shoe and peace and matches somebody with somebody Conjunction realizes that power transmission connects, and connects block disengaging by power transmission trolley shoe and peace and realizes power-off, and preventing personnel from touching power transmission unit by mistake causes to touch Electrification occurs, while the second plug-in needle is located at power transmission body interior, reducing causes the second plug-in needle to damage because of external force collision.
3. present configuration is simple, and simple operation automatically controls grafting, is easy to adjust viewing angle, improves and use the longevity Life and security.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention The protection domain that protection domain should be limited by claims is defined.

Claims (7)

1. a kind of LCD device of adjustable angle, connects main body and power transmission including the peace being made up of driving section and peace socket part Main body, it is characterised in that:Sliding groove is provided with inside driving section, in sliding groove, spiral bar is provided with, spiral line coordinates and connects on spiral bar Trolley shoe is connected to, spiral bar right end is connected with motor power, and trolley shoe bottom is fixedly connected with power transmission body top, and peace connects Portion's left hand external is provided with peace and connects block, internal on the right side of power transmission main body to be provided with the first sliding chamber and the second sliding chamber, the first sliding chamber with The first barriers are provided between second sliding chamber, in the second sliding chamber, the power transmission trolley shoe being slidably matched, power transmission trolley shoe is provided with The first Baltimore groove and the second Baltimore groove are inside provided with, the second barriers between the first Baltimore groove and the second Baltimore groove, are provided with, first is recessed Side joint groove is arranged with the shape groove power transmission trolley shoe of both sides up and down on the right side, inwall is provided with power transmission and connects hole on the right side of side joint groove, the The one Baltimore groove Slideslip that keeps left is connected with first and connects block, and first connects block outer wall on the right side is symmetrically arranged on two with side up and down Block is connect, side joint block is stretched in side joint groove and sliding connection, and side joint block its right end face is provided with the first plug-in needle, and first connects block The second relative barriers of its right end face are provided with deep gouge, be provided with deep gouge with first connect that block its right end face is abutted against second Bullet part, is provided with the second of sliding connection and connects block in the second Baltimore groove, second connects block its right end face is provided with the second grafting Pin, peace connect, and on the left of display screen, top and peace are provided with angle between connecing above main body its right end face Adjuster, on the left of display screen, lower section and peace are provided with fixed articulated elements between connecing below main body its right end face.
2. the LCD device of a kind of adjustable angle according to claim 1, it is characterised in that:The peace is connect in block It is provided with peace and connects hole.
3. the LCD device of a kind of adjustable angle according to claim 1, it is characterised in that:The motor appearance Face is embedded in the driving section and is fixedly connected.
4. the LCD device of a kind of adjustable angle according to claim 1, it is characterised in that:The power transmission is slipped Block left end face is provided with connection sliding-contacted rod, and the connection sliding-contacted rod extends through the first barriers to the left and stretches into described first In sliding chamber and end is fixed with gear and connects block, the connection sliding-contacted rod and the first barriers sliding connection, described The connection sliding-contacted rod upper annular in second sliding chamber is arranged with the first bullet part.
5. the LCD device of a kind of adjustable angle according to claim 1, it is characterised in that:First grafting It is electrically connected between pin and second plug-in needle.
6. the LCD device of a kind of adjustable angle according to claim 1, it is characterised in that:The power transmission main body It is equal that its right end face connects tile height with the peace.
7. the LCD device of a kind of adjustable angle according to claim 1, it is characterised in that:Described first connects Block and described second is connected block front/rear end and is fixedly connected with inwall before and after the described second sliding chamber respectively.
CN201710054823.6A 2017-01-24 2017-01-24 A kind of LCD device of adjustable angle Active CN106526924B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710054823.6A CN106526924B (en) 2017-01-24 2017-01-24 A kind of LCD device of adjustable angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710054823.6A CN106526924B (en) 2017-01-24 2017-01-24 A kind of LCD device of adjustable angle

Publications (2)

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CN106526924A true CN106526924A (en) 2017-03-22
CN106526924B CN106526924B (en) 2017-10-20

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958950A (en) * 2017-04-18 2017-07-18 宁波江东启航工业产品设计有限公司 A kind of electric heater device
CN107009064A (en) * 2017-04-20 2017-08-04 慈溪智江机械科技有限公司 A kind of safe welding device
CN107116287A (en) * 2017-04-13 2017-09-01 诸暨市柯晶机械技术开发有限公司 A kind of novel welding device
CN107690252A (en) * 2017-05-26 2018-02-13 广州正昇软件技术开发有限公司 A kind of information acquisition device of stabilization
CN107690258A (en) * 2017-05-26 2018-02-13 广州正昇软件技术开发有限公司 A kind of information data collector

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CN101300614A (en) * 2005-11-04 2008-11-05 Nec个人产品有限公司 Electronic device and rack member
KR20090038562A (en) * 2007-10-16 2009-04-21 이재관 We are a signboard install
CN104930322A (en) * 2015-06-12 2015-09-23 衢州市洼帝尔数控设备有限公司 Low-vibrating advertising board installing device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6019332A (en) * 1996-06-07 2000-02-01 Ergotron, Inc. Pivot/ratchet assembly and support system
CN101300614A (en) * 2005-11-04 2008-11-05 Nec个人产品有限公司 Electronic device and rack member
CN201075302Y (en) * 2007-07-26 2008-06-18 中强光电股份有限公司 Display screen rotation device
KR20090038562A (en) * 2007-10-16 2009-04-21 이재관 We are a signboard install
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107116287A (en) * 2017-04-13 2017-09-01 诸暨市柯晶机械技术开发有限公司 A kind of novel welding device
CN106958950A (en) * 2017-04-18 2017-07-18 宁波江东启航工业产品设计有限公司 A kind of electric heater device
CN106958950B (en) * 2017-04-18 2017-12-22 盐城隆祥机械设备有限公司 A kind of electric heater device
CN107009064A (en) * 2017-04-20 2017-08-04 慈溪智江机械科技有限公司 A kind of safe welding device
CN107009064B (en) * 2017-04-20 2018-07-31 佛山市三水区富鼎高五金塑胶制品有限公司 A kind of safe welding device
CN107690252A (en) * 2017-05-26 2018-02-13 广州正昇软件技术开发有限公司 A kind of information acquisition device of stabilization
CN107690258A (en) * 2017-05-26 2018-02-13 广州正昇软件技术开发有限公司 A kind of information data collector

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Inventor after: Ye Xiaowei

Inventor after: Guo Damao

Inventor before: Chen Jiajia

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Effective date of registration: 20170906

Address after: Two road 518000 Guangdong city of Shenzhen province Baoan District Shiyan Street Shilong Industrial community No. 5 Haitian Lanyu science and Technology Industrial Park 2 7 floor

Applicant after: He Yingzhituo photoelectricity technology corporation, Ltd. of Shenzhen

Address before: Four, 9, 315301, New Territories village, Han Han street, Ningbo City, Zhejiang, Cixi

Applicant before: Chen Jiajia

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