CN107293222A - The method for realizing POV dual-side image suspension display effects - Google Patents
The method for realizing POV dual-side image suspension display effects Download PDFInfo
- Publication number
- CN107293222A CN107293222A CN201710547375.3A CN201710547375A CN107293222A CN 107293222 A CN107293222 A CN 107293222A CN 201710547375 A CN201710547375 A CN 201710547375A CN 107293222 A CN107293222 A CN 107293222A
- Authority
- CN
- China
- Prior art keywords
- dual
- pov
- motor shaft
- hollow motor
- realizing
- 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
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses the method for realizing POV dual-side image suspension display effects, this method is realized by dual-side image display device, is comprised the following steps：S1：Wherein lead is accessed in the hollow motor shaft in dual-side image display device by wire hole, and motor unit rotor transmits power to hollow motor shaft, and hollow motor shaft rotates to control rotary rpm；S2：The encoder set in the hollow motor shaft, can feed back to electric machine assembly by the positional information of left side rotating display component and right side rotating display component, control left side turning arm control panel and right side turning arm control panel to be finely adjusted by electric machine assembly；S3：Slip ring assembly is additionally provided with the hollow motor shaft, slip ring assembly transmission power supply and signal are to left side turning arm control panel and right side turning arm control panel, and slip ring assembly is carried out and rotation direction identical positive movement under rotation status.
Description
Technical field
The present invention relates to a kind of dual-side image display methods, and in particular to realizes POV dual-side image suspension display effects
Method.
Background technology
Traditional planar LED Display Technique imaging effect is single, and view-based access control model persists (Persistence of in recent years
Vision) the new Display Technique (being rotated into picture) of technology development suspends three-dimensional effect substantially due to its visual effect protrusion,
Bore hole is the features such as may be viewed by, to be favored by more and more people simultaneously.
POV rotating LEDs Display Technique utilizes the eye storage characteristic of human eye, when certain mechanical structure (such as motor, wheel)
Drive LED array when being rotated, LED array just shows the state of the position when running to a certain position, to the next position after show again
Show the state of the next position, when LED array velocity of rotation is sufficiently fast, a row display device can just complete the aobvious of all images
Show.Scanning process changes the position of LED array to realize by mechanical structure is rotated.
The floated rotation display apparatus of POV used at present is generally one side show, and it can be only put at the fields such as metope or roof
Ground, the another side of rotary body is not utilized effectively, can only be watched in side, the visual experience of beholder is poor, while single
Face transmission causes space waste；Drive disk assembly is more in prior art form and outside cabling, and circuit is fragile, is unfavorable for the later stage
Safeguard.Existing multiaspect display device is typically made up of the device such as multiple motors and slip ring, and structure is too fat to move, and cost is higher.It is existing
The fixed form of floated display device is limited by its drive mechanism, on the premise of proof strength, can only typically be fixed
On ground or installed in some position.Fixed form is by significant limitation.Existing hollow motor is confined to single shaft
Design, it is impossible to realize that double-sided display is exported using single power supply slip ring.
The content of the invention
The technical problems to be solved by the invention are floated rotation display apparatus mostly one side shows, and it can be only put at wall
The place such as face or roof, the another side of rotary body is not utilized effectively, and drive disk assembly is more in prior art form and outside
Cabling, circuit is fragile, is unfavorable for later maintenance, it is therefore intended that provide the method for realizing POV dual-side image suspension display effects,
A kind of brand-new integrated transmission module, unique double output shaft, the equipment and display methods of single slip ring bidirectional power supply are provided,
The problem of realizing two-sided suspension display effect.
The present invention is achieved through the following technical solutions：
The method for realizing POV dual-side image suspension display effects, this method realized by dual-side image display device, including
Following steps：
S1：Wherein lead is accessed in the hollow motor shaft in dual-side image display device by wire hole, and motor unit turns
Son transmits power to hollow motor shaft, and hollow motor shaft rotates to control rotary rpm；
S2：The encoder set in the hollow motor shaft, can be by left side rotating display component and right side rotational display
The positional information of component feeds back to electric machine assembly, controls left side turning arm control panel and right side turning arm to control by electric machine assembly
Plate is finely adjusted；
S3：Slip ring assembly is additionally provided with the hollow motor shaft, slip ring assembly transmission power supply and signal rotate to left side
Arm control panel and right side turning arm control panel, slip ring assembly are carried out and rotation direction identical positive movement under rotation status.
The present invention is redesigned using the characteristic of hollow motor to the brand-new design of hollow motor shaft, and to slip ring assembly
The structure of hollow motor shaft is matched, power supply of the single slip ring component to output shafts load end, signal transfer functions are realized；Pass through
Hollow motor housing structure is redesigned, electric machine assembly, slip ring assembly, the structure type of output shafts integration is realized,
Whole device is set to possess globality；
Further, electric machine assembly, encoder, slip ring assembly, a left side are provided with the hollow motor shaft on the step S1
Side crossed roller bearing, right side crossed roller bearing, the left side crossed roller bearing and right side crossed roller bearing support two
The axial movement of lateral load.Hollow motor shaft is arranged in shell, and above-mentioned other assemblies are similarly disposed in shell, because intersecting rolling
Sub- bearing inner race or outer ring are the constructions of two segmentations, and bearing clearance can adjust, even if being applied in preloading, can also be obtained accurately
Rotary motion.
Further, the cross roller bearing and right side crossed roller bearing select the crossed roller axle of high rigidity
Hold.Crossed roller bearing using decussation roller collar because be fixed together, because roller is cross arrangement, therefore only with 1 set
Decussation roller collar can bear the load of all directions, compared with traditional model, and rigidity improves 3~4 times.
Further, the left side rotating display component right side in the step S2 and the right side of left side adaptor connect
Connect, left side adaptor right side is connected with housing left side, the housing right side is connected with right side adaptor left side, right side
Connector right side is connected with right side rotating display component left side.All parts are connected, the isolation of components of left and right ends
Set, can be shown when rotated simultaneously, can be controlled by different drive disk assemblies and different rotation execution units
Different display devices, carries out the display of different images in different display devices.
Further, the left side adaptor, housing, right side adaptor middle part are provided with through hole.By to hollow motor
Shell structure is redesigned, and is realized electric machine assembly, slip ring assembly, the structure type of output shafts integration, is made whole device
Possesses globality；The globality of bidirectional output shaft drive solves the installation limitation brought because running part structure is at random,
The fixed form of the diversification such as vertical, lifting can be flexibly applied to；Using the cable wiring form of inner hollow axle to cable
There is good protective effect, reduce overall maintenance cost.
Further, housing fixture is provided with the housing side end face, the housing fixture is around housing side end face
The circle of middle part one is set.Suppress the shake of housing by housing fixture, reduce resonance.
Further, the hollow motor shaft is arranged on housing central section, and two lateral loads are driven to the left and right respectively.Single electricity
The design of machine transmission double output shaft, single slip ring transmitted in both directions power supply and signal, realizes that dual-side image suspends and shows.
Further, the dual-side image display device is connected with transmission support base.Dual-side image display device is allowed with passing
Support base connection is sent to enable to the integration of whole transmission device make it that installation fixed form is more flexible, equipment installation site
It is unrestricted；
Further, the lead, stationary part, the data-interface of encoder and slip ring group respectively with electric machine assembly
The stationary part connection of part.Using inner hollow motor shaft cabling, there is good protection to cable, not easy to wear, increase is overall
Device service life
Further, the encoder is entered by zero-point positioning to left side rotating display component and right side rotating display component
Row positioning.By the encoder component zero-point positioning of electric machine built-in, display image positioning method is simple and reliable.
The present invention compared with prior art, has the following advantages and advantages：
1st, the method that the present invention realizes POV dual-side image suspension display effects, utilizes the cable wiring shape of inner hollow axle
Formula has good protective effect to cable, reduces overall maintenance cost；
2nd, the method that the present invention realizes POV dual-side image suspension display effects, can be flexibly applied to vertical, lifting etc. many
The fixed form of memberization；
3rd, the method that the present invention realizes POV dual-side image suspension display effects, can carry out double-sided display, and can show
Show different pictures.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is dual-side image display device structure schematic diagram of the present invention；
Fig. 2 is dual-side image display device front view of the present invention；
Dual-side image display device explosive view after Fig. 3 installs for the present invention；
Fig. 4 is inverted scheme of installation of the invention；
Fig. 5 is vertical scheme of installation of the invention.
Mark and corresponding parts title in accompanying drawing：
Adaptor on the left of rotating display component on the left of 1-, 2-, 3- housings；4- housing fixtures；Adaptor on the right side of 5-；6- is right
Side rotating display component；Turning arm control panel on the left of 7-；Crossed roller bearing on the left of 8-；9- electric machine assemblies；10- wire holes；11-
Encoder component；12- slip ring assemblies；Crossed roller bearing on the right side of 13-；Turning arm control panel on the right side of 14-；15- hollow motor shafts.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment
As shown in figure 1, the method that the present invention realizes POV dual-side image suspension display effects, the present invention passes through following technologies
Scheme is realized：
The method for realizing POV dual-side image suspension display effects, this method realized by dual-side image display device, including
Following steps：
S1：Wherein lead is accessed in the hollow motor shaft 15 in dual-side image display device by wire hole 10, motor machine
Group rotor transmits power to hollow motor shaft 15, and hollow motor shaft 15 rotates to control rotary rpm；
S2：The encoder 11 set in the hollow motor shaft 15, can rotate left side rotating display component 1 and right side
The positional information of display module 6 feeds back to electric machine assembly 9, controls left side turning arm control panel 7 and right side to revolve by electric machine assembly 9
Pivoted arm control panel 14 is finely adjusted；
S3：Slip ring assembly 12 is additionally provided with the hollow motor shaft 15, the transmission power supply of slip ring assembly 12 and signal are to a left side
Sidespin pivoted arm control panel 7 and right side turning arm control panel 14, slip ring assembly 12 carry out identical with rotation direction under rotation status
Positive movement.
The present invention utilizes the characteristic of hollow motor, to the brand-new design of hollow motor shaft 15, and to slip ring assembly 12 again
The structure of design matching hollow motor shaft 15, realizes that single slip ring component 12 is transmitted to power supply, the signal of output shafts load end
Function；By being redesigned to hollow motor housing structure, electric machine assembly 9, slip ring assembly 12, output shafts integration are realized
Structure type, whole device is possessed globality.
Embodiment two
As shown in Figures 1 to 3, the present embodiment is optimized on the basis of embodiment one, the hollow electricity on the step S1
Electric machine assembly 9, encoder 11, slip ring assembly 12, left side crossed roller bearing 8, right side crossed roller axle are provided with arbor 15
13 are held, the left side crossed roller bearing 8 and right side crossed roller bearing 13 support the axial movement of two lateral loads.Hollow motor
Axle 15 is arranged in shell, and above-mentioned other assemblies are similarly disposed in shell, because crossed roller bearing inner ring or outer ring are two points
The construction cut, bearing clearance can adjust, even if being applied in preloading, can also obtain accurately rotary motion.The cross
Roller bearing and right side crossed roller bearing 13 select the crossed roller bearing of high rigidity.Crossed roller bearing is because using intersection
Roller collar is fixed together, and because roller is cross arrangement, therefore only can bear all directions with 1 set of decussation roller collar
Load, compared with traditional model, rigidity improve 3~4 times.The right side of left side rotating display component 1 in the step S2 with
The right side connection of left side adaptor, left side adaptor right side is connected with housing left side, the housing right side and right side
The left side of adaptor 5 is connected, and right side connector right side is connected with the left side of right side rotating display component 6.All parts coordinate
Connection, the isolation of components of left and right ends is set, and can be shown when rotated simultaneously, can by different drive disk assemblies with
Different rotation execution units control different display devices, and the display of different images is carried out in different display devices.
The left side adaptor, housing, the middle part of right side adaptor 5 are provided with through hole.By to hollow motor housing structure
Redesign, realize electric machine assembly 9, slip ring assembly 12, the structure type of output shafts integration, possess whole device whole
Body；The globality of bidirectional output shaft drive solves the installation limitation brought because running part structure is at random, Ke Yiling
Fixed form living applied to diversification such as vertical, liftings；Have very well to cable using the cable wiring form of inner hollow axle
Protective effect, reduce overall maintenance cost.
Housing fixture 4 is provided with the housing side end face, the housing fixture 4 is enclosed around in the middle part of housing side end face one
Set.Suppress the shake of housing by housing fixture 4, reduce resonance.
The hollow motor shaft 15 is arranged on housing central section, and two lateral loads are driven to the left and right respectively.Single motor transmission
The design of double output shaft, single slip ring transmitted in both directions power supply and signal, realizes that dual-side image suspends and shows.
Embodiment three
As shown in Figure 4,5, the present embodiment is optimized on the basis of embodiment one, the dual-side image display device with
Transmit support base connection.Dual-side image display device is allowed to enable to the integrated of whole transmission device with transmission support base connection
So that installing, fixed form is more flexible, and equipment installation site is unrestricted；
The lead, stationary part respectively with electric machine assembly 9, the data-interface of encoder 11 and slip ring assembly 12
Stationary part is connected.Using the cabling of inner hollow motor shaft 15, there is good protection to cable, not easy to wear, the overall dress of increase
Put service life
The encoder 11 is determined left side rotating display component 1 and right side rotating display component 6 by zero-point positioning
Position.By the component zero-point positioning of encoder 11 of electric machine built-in, display image positioning method is simple and reliable.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (10)
1. realize the method for POV dual-side image suspension display effects, it is characterised in that this method passes through dual-side image display device
Realize, comprise the following steps：
S1：Wherein lead is accessed in the hollow motor shaft (15) in dual-side image display device by wire hole (10), motor machine
The rotor of group (9) transmits power to hollow motor shaft (15), and hollow motor shaft (15) rotates to control rotary rpm；
S2：The encoder (11) set on the hollow motor shaft (15), can revolve left side rotating display component (1) and right side
The positional information for turning display module (6) feeds back to electric machine assembly (9), and left side turning arm control panel is controlled by electric machine assembly (9)
(7) it is finely adjusted with right side turning arm control panel (14)；
S3：Slip ring assembly (12) is additionally provided with the hollow motor shaft (15), slip ring assembly (12) transmission power supply and signal are given
Left side turning arm control panel (7) and right side turning arm control panel (7), slip ring assembly (12) are carried out and rotation side under rotation status
To identical positive movement.
2. the method according to claim 1 for realizing POV dual-side image suspension display effects, it is characterised in that the step
Electric machine assembly (9), encoder (11), slip ring assembly (12), left side intersection rolling are provided with hollow motor shaft (15) on rapid S1
Sub- bearing (8), right side crossed roller bearing (13), the left side crossed roller bearing (8) and right side crossed roller bearing (13)
Support the axial movement of two lateral loads.
3. the method according to claim 2 for realizing POV dual-side image suspension display effects, it is characterised in that the left side
Right crossed roller bearing (8) and right side crossed roller bearing (13) select the crossed roller bearing of high rigidity.
4. the method according to claim 1 for realizing POV dual-side image suspension display effects, it is characterised in that the step
Left side rotating display component (1) right side in rapid S2 is connected with the right side of left side adaptor (2), and left side adaptor (2) is right
End face is connected with housing (3) left side, and housing (3) right side is connected with right side adaptor (5) left side, right side connector
(5) right side is connected with right side rotating display component (7) left side.
5. the method according to claim 4 for realizing POV dual-side image suspension display effects, it is characterised in that the left side
Side adaptor (2), housing (3), right side adaptor (5) middle part are provided with through hole.
6. the method according to claim 4 for realizing POV dual-side image suspension display effects, it is characterised in that the shell
Housing fixture (4) is provided with body (3) side end face, the housing fixture (4) sets around a circle in the middle part of housing (3) side end face
Put.
7. the method for realizing POV dual-side image suspension display effects according to claim 1,4, it is characterised in that described
Hollow motor shaft (15) is arranged in the middle part of housing (3), and two lateral loads are driven to the left and right respectively.
8. the method according to claim 1 for realizing POV dual-side image suspension display effects, it is characterised in that described double
Face image display device is connected with transmission support base.
9. the method according to claim 1 for realizing POV dual-side image suspension display effects, it is characterised in that described to draw
Line, the stationary part of stationary part respectively with electric machine assembly (9), the data-interface of encoder (11) and slip ring assembly (12)
Connection.
10. the method according to claim 1 for realizing POV dual-side image suspension display effects, it is characterised in that the volume
Code device (11) is positioned by zero-point positioning to left side rotating display component (1) and right side rotating display component (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547375.3A CN107293222A (en) | 2017-07-06 | 2017-07-06 | The method for realizing POV dual-side image suspension display effects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710547375.3A CN107293222A (en) | 2017-07-06 | 2017-07-06 | The method for realizing POV dual-side image suspension display effects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107293222A true CN107293222A (en) | 2017-10-24 |
Family
ID=60100028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710547375.3A Pending CN107293222A (en) | 2017-07-06 | 2017-07-06 | The method for realizing POV dual-side image suspension display effects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107293222A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767779A (en) * | 2017-11-21 | 2018-03-06 | 成都炫境科技有限公司 | A kind of double-side display device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6873803B2 (en) * | 2000-06-12 | 2005-03-29 | Minolta Co., Ltd. | Image forming apparatus and method of displaying information about image forming apparatus |
| CN2859728Y (en) * | 2005-12-28 | 2007-01-17 | 光远科技股份有限公司 | Column-shape space-time alternative display screen |
| CN201251915Y (en) * | 2008-08-18 | 2009-06-03 | 上海第二工业大学 | Rotary graph-text display device |
| CN202120568U (en) * | 2011-05-18 | 2012-01-18 | 朱石雄 | 360-degree visual multi-image LED rotary scanning player |
| CN105282533A (en) * | 2014-12-05 | 2016-01-27 | 上海智翔信息科技股份有限公司 | Large-scale scanning-type volumetric 3D video display system and imaging method thereof |
| CN205356599U (en) * | 2016-01-18 | 2016-06-29 | 皖西学院 | Glassless three -dimensional (3D) display device |
| CN106205405A (en) * | 2016-08-23 | 2016-12-07 | 成都陌云科技有限公司 | A kind of view-based access control model persists the bore hole 3D holography double-side display device of effect |
-
2017
- 2017-07-06 CN CN201710547375.3A patent/CN107293222A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6873803B2 (en) * | 2000-06-12 | 2005-03-29 | Minolta Co., Ltd. | Image forming apparatus and method of displaying information about image forming apparatus |
| CN2859728Y (en) * | 2005-12-28 | 2007-01-17 | 光远科技股份有限公司 | Column-shape space-time alternative display screen |
| CN201251915Y (en) * | 2008-08-18 | 2009-06-03 | 上海第二工业大学 | Rotary graph-text display device |
| CN202120568U (en) * | 2011-05-18 | 2012-01-18 | 朱石雄 | 360-degree visual multi-image LED rotary scanning player |
| CN105282533A (en) * | 2014-12-05 | 2016-01-27 | 上海智翔信息科技股份有限公司 | Large-scale scanning-type volumetric 3D video display system and imaging method thereof |
| CN205356599U (en) * | 2016-01-18 | 2016-06-29 | 皖西学院 | Glassless three -dimensional (3D) display device |
| CN106205405A (en) * | 2016-08-23 | 2016-12-07 | 成都陌云科技有限公司 | A kind of view-based access control model persists the bore hole 3D holography double-side display device of effect |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107767779A (en) * | 2017-11-21 | 2018-03-06 | 成都炫境科技有限公司 | A kind of double-side display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102458778B (en) | For the magnetic rotational hardstop of robot | |
| CN104400794A (en) | Double-arm robot modularized joint with hollow structure | |
| CN104942822B (en) | A kind of two-freedom degree joint of robot for space | |
| CN104691644B (en) | A kind of omnidirectional type movable pulley module | |
| CN106195137B (en) | A kind of hollow type gear transmission reducing device | |
| CN101493080A (en) | A gear unit for a wind turbine | |
| CN104401415A (en) | Knuckle reconfigurable robot unit module | |
| CN111906815B (en) | Execution joint integrated structure for exoskeleton robot joint | |
| CN206250950U (en) | A kind of cantilever style permanent-magnet synchronous coupler | |
| CN102307708B (en) | Structure of modular robot actuation system | |
| CN108263640B (en) | Module combination type magnetic suspension momentum sphere | |
| CN107293222A (en) | The method for realizing POV dual-side image suspension display effects | |
| CN113070901A (en) | Integrated flexible joint for robot | |
| CN204489002U (en) | A kind of omnidirectional type movable pulley module | |
| CN207148501U (en) | A kind of Novel tripod head | |
| CN207082976U (en) | A kind of brushless electric machine and with the head of the brushless electric machine, aerial photography device | |
| CN207432237U (en) | Snake-shaped robot joint module and snake-shaped robot | |
| CN110722595B (en) | Robot integrated driving joint module | |
| CN100348382C (en) | Retractable drum type robot device | |
| CN209579582U (en) | Joint electric energy short range transmission structure and the legged type robot and mechanical arm for applying it | |
| CN110861120A (en) | Driving joint based on double-stator frameless torque motor and application thereof | |
| CN114043523B (en) | Modular robot joint | |
| CN116101365A (en) | Steering wheel device for chassis of omnidirectional mobile robot | |
| CN207381032U (en) | A kind of double-side display device | |
| CN108890568A (en) | A kind of Intelligent servo electric screwdriver |
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: 20171024 |
|
| RJ01 | Rejection of invention patent application after publication |