CN104679236B - A kind of holographic interactive device, method and induction pen based on Hall effect - Google Patents
A kind of holographic interactive device, method and induction pen based on Hall effect Download PDFInfo
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- CN104679236B CN104679236B CN201410835847.1A CN201410835847A CN104679236B CN 104679236 B CN104679236 B CN 104679236B CN 201410835847 A CN201410835847 A CN 201410835847A CN 104679236 B CN104679236 B CN 104679236B
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Abstract
The invention discloses a kind of holographic interactive device, method and induction pen based on Hall effect, which includes interaction area, display module, induction module and control module；Interaction area distributed magnetic field；Display module is used to holographic three-D image being projected to interaction area；Induction module includes power supply, conductor, pressure sensor and signal sending end, conductor forms closed circuit, power supply provides electric current for closed circuit, conductor generates induction force when moving in magnetic field, the size of pressure sensor detection induction force simultaneously generates inductive signal, and signal sending end is by inductive signal and sends；Control module connects display module, for receiving inductive signal and judging spatial position of the induction module in interaction area according to inductive signal, correspondingly to control the hologram image that display module projects interaction area.By the above-mentioned means, the present invention can operate the hologram image of interaction area by controlling the position of induction module, holographic interaction is realized.
Description
Technical field
The present invention relates to display fields, more particularly to a kind of holographic interactive device, method and sense based on Hall effect
Answer pen.
Background technique
Display technology of today is quickly grown, and how intelligently to be controlled display picture becomes measurement one gradually
Kind of display device whether Zhi Neng standard, include generally key, touch, sound etc. to the control mode for showing that picture is controlled
Deng.
For example, in existing touch screen, either capacitive touch screen or resistive touch screen all can be in liquid crystal displays
It is further added by a piece of touch-control glass or film before (liquid crystal display, LCD) panel, thus will increase display screen
Thickness and weight.Meanwhile when consumer touches display screen by finger to control electronic device, it be easy to cause device sheet
The shaking of body, and show between screen and consumer there is a certain distance and angle.In addition, direct to display screen with finger
Touching control is carried out, is easy to cause fingerprint residues the problem of showing screen.Further, pass through the plane interaction of touch operation
The abundant degree of content is by larger limitation in interface, move the cursor on certain key and by way of staying for some time into
Row confirmation selection, this operation can only carry out a kind of operation confirmed or enter, and the rich of interaction is restricted, furthermore user
Feel not enough naturally, when interactive operation experience it is contained.
Holography (Holography) display technology occurred now, holography can be understood as Three-dimensional Display object and picture,
Show the image of whole pictures at an object whole visual angle.Hologram image technology is recorded including the use of special technological means
And the image of whole pictures at an object whole visual angle is reproduced, thus as feeling human eye generation completely with actual environment
Visual effect.If can not achieve perfect human-computer interaction using traditional touch technology.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of holographic interactive device, method and sense based on Hall effect
Pen is answered, the hologram image of interaction area can be operated by controlling the position of induction module, realize holographic interaction.
In order to solve the above technical problems, one technical scheme adopted by the invention is that：It provides a kind of based on Hall effect
Holographic interactive device, holographic interactive device include interaction area, display module, induction module and control module；Interaction area point
Cloth magnetic field；Display module is used to holographic three-D image being projected to interaction area；Induction module includes power supply, conductor, pressure biography
Sensor and signal sending end, conductor form closed circuit, and power supply provides electric current for closed circuit, and conductor produces when moving in magnetic field
Raw induction force, the size of pressure sensor detection induction force simultaneously generate inductive signal, and signal sending end is by inductive signal and sends
It goes out；Control module connects display module, for receiving inductive signal and judging induction module in interactive areas according to inductive signal
Spatial position in domain, correspondingly to control the hologram image that display module projects interaction area.
Wherein, induction module includes multiple sub- induction modules, and every sub- induction module includes power supply, conductor, pressure biography
Sensor and signal sending end；Multiple sub- induction modules are respectively arranged at the different parts of human body, for the difference in interaction area
Position generates multiple and different inductive signals and sends；Control module is for receiving multiple and different inductive signals, and root
Spatial position of the different parts in interaction area that human body is judged according to multiple and different inductive signals, correspondingly controls display module
Project the holographic three-D image of interaction area.
Wherein, multiple sub- induction regions are respectively arranged at the multiple fingers and palm of human body.
Wherein, the intensity in the magnetic field of the different location distribution of interaction area is different.
Wherein, pressure sensor is close to conductor, for detecting the induction force of conductor generation and generating inductive signal.
In order to solve the above technical problems, another technical solution used in the present invention is：It provides a kind of based on Hall effect
Holographic exchange method, method includes：When energized conductor moves in magnetic field, generates induction force and generate inductive signal, pass through
Signal sending end is sent；Control module receives inductive signal and judges induction module in interaction area according to inductive signal
Position；Control module controls display module according to spatial position and shows hologram image.
Wherein, multiple induction modules generate different inductive signals in different interaction areas, and by multiple inductive signals
It sends；Control module receives multiple inductive signals and judges multiple induction modules in interaction area according to multiple inductive signals
Position；Control module controls display module according to spatial position and shows hologram image.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of induction pen, induction pen are provided
Including power supply, conductor, pressure sensor and signal sending end；Conductor forms closed circuit, and power supply provides electric current for closed circuit；
Conductor is used to generate induction force when moving in magnetic field；Pressure sensor is used to detect the size of induction force and generates induction letter
Number；Signal sending end is used for inductive signal and sends.
The beneficial effects of the invention are as follows：Be in contrast to the prior art, the present invention by interaction area distributed magnetic field,
And it is concurrently seen off by the different induction force signals that different location of the energized conductor in magnetic field generates, control device is logical
The accurate location of the inductive signal sensing device is crossed, and controls display module and shows 3-D image, it is right in the sky to be able to use family
3-D image carries out real-time, interactive, without contacting display screen, increases the experience of user.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the holographic interactive device first embodiment the present invention is based on Hall effect；
Fig. 2 is that induction module is set as wearing in the holographic interactive device first embodiment the present invention is based on Hall effect
Standby schematic diagram；
Fig. 3 is that multiple induction modules conducts are worn in the holographic interactive device second embodiment the present invention is based on Hall effect
Wear the schematic diagram of equipment；
Fig. 4 is the flow chart of the holographic exchange method first embodiment the present invention is based on Hall effect；
Fig. 5 is the flow chart of the holographic exchange method second embodiment the present invention is based on Hall effect；
Fig. 6 is the structural schematic diagram of induction pen first embodiment of the present invention.
Specific embodiment
Refering to fig. 1, the present invention is based on the structural schematic diagram of the holographic interactive device first embodiment of Hall effect, the dresses
It sets including interaction area 101, display module 102, induction module 103 and control module 104；
101 distributed magnetic field of interaction area；Display module 102 is used to holographic three-D image being projected to interaction area 101；Sense
Answering module 103 includes power supply 1031, conductor 1032, pressure sensor 1033 and signal sending end 1034, and the formation of conductor 1032 is closed
Circuit is closed, power supply 1031 provides electric current for closed circuit, and conductor 1032 generates induction force, pressure sensor when moving in magnetic field
The size of 1033 detection induction forces simultaneously generates inductive signal, and signal sending end 1034 is by inductive signal and sends；Control mould
Block 104 connects display module 102, for receiving inductive signal and judging induction module 103 in interaction area according to inductive signal
Spatial position in 101, correspondingly to control the hologram image that display module 102 projects interaction area 101.
Wherein, pressure sensor 1033 is close to the conductor 1032, for detecting induction force and the life of the generation of conductor 1032
At inductive signal.
Wherein, the magnetic field being distributed in interaction area 101 can be the emission of magnetic field dress built-in by display module 102 itself
Emitted magnetic field is set, the magnetic field by other external magnetic field emitting devices transmittings is also possible to；If other external magnetic
The magnetic field of field emission apparatus transmitting, it is necessary to measure the magnitude of field intensity in interaction area 101 everywhere, in advance to calculate and to obtain
Take the position of induction module 103.
Stereo display technique is divided into two kinds：One is generate three-dimensional sense using the parallax characteristic of human eye；It is another then be
The true 3D stereopsis of spatial display, the three-dimensional imaging based on hologram technology.If display module 102 is based on the former
Stereo-picture is not then projected to interaction area 101 by stereoscopic display, but due to the parallax of human eye, feels image in the friendship
Mutual region 101, then can be display module 102 for image and be projected to that position that human eye is felt.
As shown in Fig. 2, induction module 103 can be designed as the form of induction pen, induction pen is held in interaction by user
The display in control hologram image is moved in space, can also be designed like the form of finger ring, or be tightly attached to finger tip or refer to
The film of first realizes aerial interaction by way of similar touch-control so as to user.
Control module 104 is connect with display module 102, for receiving the inductive signal and basis of the transmission of induction module 103
The display of actuated signal control display module 102, wherein control module 104 and display module 102 can be integrated, that is, control
Molding block 104 is installed in display module 102, one signal receiving device of outside setting；Here induction module 103 is sent to
The signal of control module 104 can be the signals such as bluetooth, infrared, radio frequency.
Wherein, when electrical conductor 1032 moves in magnetic field, generated induction force is Lorentz force, Lorentz force
Size has relationship with the length of magnetic field strength, electric current, conductor 1032, the current strength by measuring in advance and conductor 1031
Length, so that it may realize unique pairing of magnetic field strength and induction force size, if the intensity size of magnetic field everywhere is all different, lead to
Cross detection induction force size it may determine that magnetic field position.
It is different from the prior art, present embodiment is by interaction area distributed magnetic field, and by energized conductor in magnetic
The different induction force signals that different location in generates concurrently are seen off, and control device passes through the inductive signal sensing device
Accurate location, and control display module show 3-D image, be able to use family in the sky to 3-D image carry out real-time, interactive,
Screen is shown without contacting, and increases the experience of user.
Refering to Fig. 3, the present invention is based on induction modules multiple in the holographic interactive device second embodiment of Hall effect works
For the schematic diagram of wearable device；
Induction module includes multiple sub- induction modules, every sub- induction module include power supply, conductor, pressure sensor and
Signal sending end；Multiple sub- induction modules are respectively arranged at the different parts of human body, for the different location production in interaction area
Raw multiple and different inductive signal is simultaneously sent；Control module is used to receive multiple and different inductive signals, and according to multiple
Different inductive signals judges spatial position of the different parts in interaction area of human body, correspondingly controls display module and projects
The holographic three-D image of interaction area.
Such as Fig. 3, induction module includes the first sub- induction module 301 and the second sub- induction module 302, every sub- induction module
In all include such as the structure in above-mentioned induction module, the first sub- induction module 301 and the second sub- induction module 302 generate induction
Inductive signal of the transmitting with different labels is after signal to distinguish different sub- induction modules, and control module is according to difference
The size of inductive signal judges position of each sub- induction module in interaction area.
After multiple fingers wear sub- induction module, the effect of multi-point touch in similar touch screen can be completed, for example, the
One sub- induction module 301 and the second sub- induction module 302 are close, then control the diminution of 3-D image, the first sub- induction module 301
And second sub- induction module 302 it is separate, then control the amplification of 3-D image.
In addition, sub- induction module can also be installed on other each positions of human body in addition to finger, it is each to human body to realize
The tracking at position judges that user is intended to, by the movement of human body to control the display of 3-D image.
Refering to Fig. 4, the present invention is based on the flow chart of the holographic exchange method first embodiment of Hall effect, this method packets
It includes：
Step 401：When energized conductor moves in magnetic field, generates induction force and generate inductive signal, sent by signal
End is sent；
Step 402：Control module receives inductive signal and judges induction module in the position of interaction area according to inductive signal
It sets；
Step 403：Control module controls display module according to spatial position and shows hologram image.
In other embodiments, this method further includes：
Step 501：Multiple induction modules generate different inductive signals in different interaction areas, and multiple inductions are believed
It number sends；
Step 502：Control module receives multiple inductive signals and judges that multiple induction modules exist according to multiple inductive signals
The position of interaction area；
Step 503：Control module controls display module according to spatial position and shows hologram image.
Present embodiment is the method based on the holographic interactive device as described above based on Hall effect, embodiments thereof class
Seemingly, which is not described herein again.
Refering to Fig. 6, the structural schematic diagram of the first embodiment of induction pen of the present invention, the induction pen 600 includes aforementioned reality
Apply the induction module 601 in mode；
The induction module 601 includes：Power supply 6011, conductor 6012, pressure sensor 6013 and signal sending end 6014, lead
Body 6012 forms closed circuit, and power supply 6011 provides electric current for closed circuit, and induction is generated when conductor 6012 moves in magnetic field
Power, pressure sensor 6013 detect the size of induction force and generate inductive signal, and signal sending end 6014 sends inductive signal
It goes out.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (7)
1. a kind of holographic interactive device based on Hall effect, which is characterized in that it is described holography interactive device include interaction area,
Display area, induction module and control module；
The interaction area distributed magnetic field；
The display module is used to hologram image being projected to the interaction area；
The induction module includes power supply, conductor, pressure sensor and signal sending end, and the conductor forms closed circuit, institute
It states power supply and provides electric current for the closed circuit, the conductor generates induction force when moving in the magnetic field, the pressure passes
Sensor detects the size of the induction force and generates inductive signal, and the signal sending end sends the inductive signal；
The control module connects the display module, for receiving the inductive signal and judging institute according to the inductive signal
Spatial position of the induction module in the interaction area is stated, projects the interactive areas correspondingly to control the display module
The hologram image in domain.
2. holography interactive device according to claim 1, which is characterized in that the induction module includes multiple sub- induction moulds
Block, each sub- induction module includes the power supply, conductor, pressure sensor and signal sending end；
The multiple sub- induction module is respectively arranged at the different parts of human body, for the different location production in the interaction area
Raw multiple and different inductive signal is simultaneously sent；
The control module is sentenced for receiving the plurality of different inductive signal according to the plurality of different inductive signal
Break the human body different parts in the spatial position of the interaction area, correspondingly control the display module project it is described
The hologram image of interaction area.
3. holography interactive device according to claim 2, which is characterized in that the multiple sub- induction region is respectively arranged at
The multiple fingers and palm of human body.
4. holography interactive device according to claim 1, which is characterized in that the different location distribution of the interaction area
The intensity in magnetic field is different.
5. holography interactive device according to claim 1, which is characterized in that the pressure sensor is close to the conductor,
For detecting the induction force of the conductor generation and generating inductive signal.
6. a kind of holographic exchange method based on Hall effect, which is characterized in that the method is applied to claim 1-5 such as and appoints
Holographic interactive device described in meaning one, the method includes：
When energized conductor moves in magnetic field, generates induction force and generate inductive signal, sent by signal sending end；
Control module receives the inductive signal and judges the induction module in the interaction area according to the inductive signal
Position；
The control module controls display module according to spatial position and shows hologram image.
7. holography exchange method according to claim 6, which is characterized in that the method also includes：
Multiple induction modules generate different inductive signals in different interaction areas, and multiple inductive signals are sent out
It goes；
Control module receives the multiple inductive signal and judges that the multiple induction module exists according to the multiple inductive signal
The position of the interaction area；
The control module controls display module according to spatial position and shows hologram image.
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| CN104679236B true CN104679236B (en) | 2018-11-20 |
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| CN112904692B (en) * | 2021-01-25 | 2022-02-11 | 深圳市迈特瑞光电科技有限公司 | Interactive holographic projection system |
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| CN102263546A (en) * | 2010-05-25 | 2011-11-30 | 鸿富锦精密工业（深圳）有限公司 | Sensing input device and sensing keyboard |
| CN102681713A (en) * | 2011-06-15 | 2012-09-19 | 北京京东方光电科技有限公司 | Three-dimensional touch display system and method |
| CN103793060A (en) * | 2014-02-14 | 2014-05-14 | 杨智 | User interaction system and method |
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| US8947379B2 (en) * | 2011-10-28 | 2015-02-03 | Atmel Corporation | Inductive charging for active stylus |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263546A (en) * | 2010-05-25 | 2011-11-30 | 鸿富锦精密工业（深圳）有限公司 | Sensing input device and sensing keyboard |
| CN102681713A (en) * | 2011-06-15 | 2012-09-19 | 北京京东方光电科技有限公司 | Three-dimensional touch display system and method |
| CN103793060A (en) * | 2014-02-14 | 2014-05-14 | 杨智 | User interaction system and method |
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Effective date of registration: 20161226 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets high in the three global digital Building Room 806 No. 9 Applicant after: Shenzhen magic eye Technology Co., Ltd. Address before: 518000 Shenzhen, Nanshan District, China Hi Tech in the world, the world's 806 digital building, room three Applicant before: SHENZHEN ESTAR DISPLAYTECH CO., LTD. |
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Effective date of registration: 20201019 Address after: 518000 Fenghua Science and Technology Building, Northeast Side of Baishi Road and Science and Technology South Road Intersection, Yuehai Street High-tech Zone, Nanshan District, Shenzhen City, Guangdong Province, 1311 Patentee after: SHENZHEN WEICHAO INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets high in the three global digital Building Room 806 No. 9 Patentee before: SHENZHEN MAGIC EYE TECHNOLOGY Co.,Ltd. |