CN109966126A - A kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix - Google Patents
A kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix Download PDFInfo
- Publication number
- CN109966126A CN109966126A CN201910391204.5A CN201910391204A CN109966126A CN 109966126 A CN109966126 A CN 109966126A CN 201910391204 A CN201910391204 A CN 201910391204A CN 109966126 A CN109966126 A CN 109966126A
- Authority
- CN
- China
- Prior art keywords
- blind
- stimulation
- dot matrix
- guiding stick
- electric current
- 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
- 230000000638 stimulation Effects 0.000 title claims abstract description 29
- 238000002604 ultrasonography Methods 0.000 title claims abstract description 26
- 239000011159 matrix material Substances 0.000 title claims abstract description 22
- 230000004936 stimulating effect Effects 0.000 claims abstract description 31
- 230000005669 field effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 4
- 210000001367 artery Anatomy 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000004438 eyesight Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005424 photoluminescence Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000015541 sensory perception of touch Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 210000000697 sensory organ Anatomy 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241001166076 Diapheromera femorata Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000013707 sensory perception of sound Effects 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
- 230000036410 touch Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/06—Walking aids for blind persons
- A61H3/061—Walking aids for blind persons with electronic detecting or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/06—Walking aids for blind persons
- A61H3/068—Sticks for blind persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/06—Walking aids for blind persons
- A61H3/061—Walking aids for blind persons with electronic detecting or guiding means
- A61H2003/063—Walking aids for blind persons with electronic detecting or guiding means with tactile perception
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5007—Control means thereof computer controlled
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
Abstract
The invention discloses a kind of two-dimensional ultrasound blind-guiding sticks based on the stimulation of electric current dot matrix, including blind-guiding stick ontology and the stimulating electrode dot matrix being arranged on blind-guiding stick ontology, control circuit, control circuit includes single-chip microcontroller, signal adapter, multiple ultrasonic distance measuring modules, multiple pulsqe distributors, stimulated current generator, stimulated current generator includes multiple driving circuits, DC-DC boost module, constant-current controller, single-chip microcomputer output is electrically connected by signal adapter and multiple ultrasonic distance measuring modules, single-chip microcomputer output is also connect with multiple pulsqe distributor input terminals, multiple pulsqe distributor output ends are separately connected multiple driving circuits, multiple driving circuits are all connected with DC-DC boost module output end, each driving circuit output end connect stimulating electrode input terminal with constant-current controller output end.Investigative range of the present invention expands, and so that blind person is perceived the Two dimensional Distribution of barrier in a certain range, can detect mobile target.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of two-dimensional ultrasound guides based on the stimulation of electric current dot matrix
Cane.
Background technique
Blind-guiding stick is used to help the barrier that front nearby ground is detected in blind person's trip, past be usually one simply
There is electronics blind-guiding stick in recent years in walking stick.Electronics blind-guiding stick relatively mostly uses ultrasonic distance measurement principle.It is met using ultrasonic wave
Back wave, and the ultrasonic wave characteristic that spread speed is basically unchanged in air can be generated to barrier.As long as measuring ultrasonic wave
Be carved into from transmitting one and encounter the back wave of barrier generation and return to time of original launch point, so that it may calculate barrier away from
From.Ultrasonic wave transmitting, the supersonic sounding circuit for receiving and producing the back echo propagation time have had modular product.Greatly
Most electronics blind-guiding sticks measure obstacle distance using ultrasound measurement module, are then prompted by modes such as vibration, voices, to rise
To the effect of guide.But these products can only provide the information of roadblock on single direction, the detection visual field is narrow.
Electronics blind-guiding stick product also is imaged with microcam, obtains image spy by image analysis software
Sign, is then described and is reminded with voice.But language can only describe some characteristic informations of environment, not intuitive and tool
Body.
The sense organ of people has vision, hearing, touch, smells, is taste, cold and hot etc., and wherein the information content of visual reception is the largest.Vision
The two-dimensional silhouette information and light and shade and color information of object can be perceived.After visually impaired, without other sense organ energy
The effect of enough visions of substitution completely.In other feelings, Two dimensional Distribution is presented in only tactile and temperature sense on human body.Especially have
It is tactile, the tactile at some positions of human body is very sensitive and fine.By certain method, it is possible to blind person be allowed to pass through tactile
Two-dimensional signal is perceived, so that part substitutes the two-dimensional signal perceptional function of vision.
In various tactile sense reproduction methods, flexible, realization device is simple, pulse ginseng due to stimulating for the tactile that electro photoluminescence generates
Number controllable precise the features such as and by researcher's extensive concern.Electric touch is that simulated skin receptor generates sense for physical stimulation
By the principle of current potential, boost pulse is acted on by skin receptor by electrode, and by changing stimulation arteries and veins in stimulating course
The parameters such as amplitude, the frequency of punching and a kind of tactile sense reproduction method for making one to generate different sensations.Electric stimulation pulse has
Constant pressure impulse and two kinds of constant-current pulse, the former is fairly simple.But it is mainly related with stimulated current to the stimulation power of people,
When with constant-pressure type boost pulse, stimulated current will change with the variation of contact resistance, and stimulus intensity just changes.And make
When with constant-current type boost pulse, stimulated current remains unchanged within the scope of certain contact resistance, it is possible to make stimulus intensity not
Change with contact resistance.But the two-dimensional ultrasound blind-guiding stick technical solution based on constant-current type boost pulse that there is presently no a kind of.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide one kind to be based on current point
The two-dimensional ultrasound blind-guiding stick of battle array stimulation, by way of the range of increase ultrasonic listening and by blind person's skin electric touch,
Can with acquired disturbance object in a region real-time Two dimensional Distribution information, to help blind person preferably to perceive environment.
To achieve the above object, the present invention provides a kind of two-dimensional ultrasound blind-guiding sticks based on the stimulation of electric current dot matrix, including
Blind-guiding stick ontology and the stimulating electrode dot matrix being arranged on blind-guiding stick ontology, and design is in the intrinsic control electricity of blind-guiding stick
Road, the control circuit include single-chip microcontroller, signal adapter, multiple ultrasonic distance measuring modules, multiple pulsqe distributors, stimulation electricity
Flow generator, the stimulated current generator include multiple driving circuits, DC-DC boost module, constant-current controller, the monolithic
Machine output end is electrically connected by signal adapter and multiple ultrasonic distance measuring modules, the single-chip microcomputer output also with multiple arteries and veins
The connection of distributor input terminal is rushed, the multiple pulsqe distributor output end is separately connected multiple driving circuits, the multiple
The driving circuit is all connected with DC-DC boost module output end, and each driving circuit output end and constant-current controller export
End connection stimulating electrode input terminal.
Preferably, the ultrasonic distance measuring module is N number of, and the stimulating electrode array has N column stimulating electrode, and each column is pierced
Sharp electrode has M stimulating electrode, and the value of M is the distance resolution that basis needs in effective detection range, then M=L/S,
Middle L is effective detection range, and S is distance resolution.
Preferably, the signal adapter model CD4052.
Preferably, the pulsqe distributor is the decoder of model 74HC138.
Preferably, the stimulated current generator includes photoisolator PVI1050N and N-channel field-effect tube CS1N60,
The photoisolator PVI1050N input terminal connects pulsqe distributor output end, and the PVI1050N output end connects N-channel
The grid and source electrode of field-effect tube CS1N60, the grid and source electrode of the N-channel field-effect tube CS1N60 are also connected with 1M Ω resistance,
The drain electrode of the N-channel field-effect tube CS1N60 connects DC-DC boost module output end, and the source electrode of the CS1N60 connects stimulation
Electrode input.
Preferably, the constant-current controller includes operational amplifier and triode, the operational amplifier in-phase end connection
10K Ω adjustable resistance is adjustable end, described adjustable resistance one end pass through switch SW connection 5V DC power supply, another termination of adjustable resistance
Ground, operational amplifier reverse side connecting triode emitter described in power supply, the operational amplifier output terminal connecting triode base
Pole, the transistor collector connect the public input terminal of stimulating electrode.
Preferably, the stimulating electrode accounts for 10~20cm of area2, two neighboring stimulating electrode interval about 5~10mm.
Preferably, the DC-DC boost module input terminal connects 5V DC power supply by switch SW.
The beneficial effects of the present invention are:
1, using the multi beam ultrasonic scanning of Two dimensional Distribution, the investigative range of electronics blind-guiding stick is made to be expanded to a face.
2, two-dimensional lattice electro photoluminescence is applied, so that blind person is perceived the Two dimensional Distribution of barrier in a certain range, increases greatly
The perception information to barrier is added.
3, blind person's electro photoluminescence information, the movement of barrier within this range are given based on supersonic sounding incessantly and in real time
It can also be perceived, make detection can be for mobile target.
4, using constant-current type boost pulse, stimulated current remains unchanged within the scope of certain contact resistance, it is possible to make
Stimulus intensity does not change with contact resistance, relatively releives to the skin irritatin intensity of people.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
Fully illustrate the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is that the present invention is based on the two-dimensional ultrasound blind-guiding stick functional block diagrams that electric current dot matrix stimulates；
Fig. 2 is that the present invention is based on the two-dimensional ultrasound blind-guiding stick specific implementation circuit diagrams that electric current dot matrix stimulates.
Specific embodiment
As shown in Figure 1, a kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix, including blind-guiding stick ontology and setting exist
Stimulating electrode dot matrix on blind-guiding stick ontology, and design, in the intrinsic control circuit of blind-guiding stick, the control circuit includes
Single-chip microcontroller, signal adapter, multiple ultrasonic distance measuring modules, multiple pulsqe distributors, stimulated current generator, the stimulation electricity
Flow generator includes multiple driving circuits, DC-DC boost module, constant-current controller, and the single-chip microcomputer output is turned by signal
Parallel operation and multiple ultrasonic distance measuring modules are electrically connected, and the single-chip microcomputer output also connects with multiple pulsqe distributor input terminals
It connects, the multiple pulsqe distributor output end is separately connected multiple driving circuits, and the multiple driving circuit is all connected with DC-
DC boost module output end, each driving circuit output end connect stimulating electrode input terminal with constant-current controller output end.
Fig. 2 is the two-dimensional ultrasound blind-guiding stick specific implementation stimulated based on electric current dot matrix.Wherein, U1 is microcontroller.
Ultrasound measurement module has 4 tunnels.
U1 is single-chip microcontroller, and MPSYS is the abbreviation of microprocessor system in figure, here general 8 single-chip microcontrollers, such as
MCS51.U2 is signal adapter, model CD4052.U3~U7 is 5 model 74HC138 decoders, composition pulse choice point
Orchestration.U8 is DC-DC boost module, and currently on the market there are many DC-DC module product of model, model is unlimited here, effect
It is that+5V voltage is risen into 50V DC voltage, provides high-voltage electricity for stimulating electrode, DC-DC boost module input terminal passes through switch
SW connects 5V DC power supply.
U9, Q1, R1, W etc. form constant-current controller, including operational amplifier U9 and triode Q1, the same phase of operational amplifier
The end connection adjustable end of 10K Ω adjustable resistance, adjustable resistance one end passes through switch SW connection 5V DC power supply, the adjustable resistance other end
Ground connection, power supply operational amplifier reverse side connecting triode emitter, operational amplifier output terminal connecting triode base stage, three poles
Pipe collector connects the public input terminal of stimulating electrode.
Q4~Q35 is the switch control pipe of 32 stimulating electrodes, and U8~U39 is 32 photoisolators, composition stimulation electricity
Flow generator, photoisolator model are preferably PVI1050N, and N-channel field-effect tube model is preferably CS1N60, Phototube Coupling
Device PVI1050N input terminal connects pulsqe distributor output end, and PVI1050N output end connects N-channel field-effect tube CS1N60's
Grid and source electrode, the grid and source electrode of N-channel field-effect tube CS1N60 are also connected with 1M Ω resistance, N-channel field-effect tube CS1N60
Drain electrode connect DC-DC boost module output end, the source electrode of CS1N60 connects stimulating electrode input terminal.
Microcontroller takes turns starting each ultrasound measurement module by signal adapter, and receives and resolve their ranging
Information.It exports control code according to ranging information, selects certain road stimulation circuit open-minded with certain frequency through pulse choice distributor.
Due to the control of constant-current controller, the amplitude of stimulated current is constant, namely not with the change of skin contact resistance
Change and changes.The adjustable stimulated current amplitude of knob W on panel, i.e. adjusting stimulus intensity.Its principle is: setting current constant control
Device input voltage is UI (i.e. knob W divides the voltage for being output to operational amplifier after adjusting), operational amplifier U9 in-phase end electricity
Pressure is Up, and reverse side voltage is Un, then UI=Up=Un, collector current Ic ≈ emitter current Ie when triode saturation conduction
(base current is comparatively small, can be neglected) is so the electric current Io on stimulating electrode meets: Io=Ic=Ie=Un/R1=
UI/R1.Just because of Io=UI/R1, R1 are definite value, circuit input voltage UI controls electric current Io, i.e. Io is not with load (human body electricity
Resistance) variation and change, to realize voltage-controlled constant current.The adjusting of knob W then changes UI size, therefore adjusting knob W can be with
Adjust stimulus intensity.
Ultrasonic wave transmitting and reception are completed with ultrasonic distance measuring module.With multiple ultrasound measurement modules angle at regular intervals
Distribution.The determination of this interval angles is the dispersion angle (such as 15 degree) of the ultrasonic beam effective energy according to each module,
It enables them to neither overlapping effectively cover an angular range (for example 4 ultrasound measurement modules cover 60 degree) with not slipping again.
Two-dimensional current stimulation dot matrix is to contact human skin with small metallic conductor, passes through transmitting certain frequency and electricity
The electric pulse waveform of stream gives human body electro photoluminescence.The space of the corresponding supersonic sounding of the distribution of stimulation point, i.e., one fan-shaped supersonic sounding
Space, corresponding fan-shaped electrocutaneous stimulation region.The origin of fan-shaped vertex correspondence detection range, and fan-shaped arc top is corresponding
The maximum distance boundary of investigative range, fan-shaped both sides correspond to the right boundary of investigative range.When with N number of ultrasound measurement module
When, stimulating electrode has N column, their arrangement angle is consistent with ultrasonic beam arrangement pitch angle.Each column have M thorn respectively again
Swash point.The value of M is according to the distance resolution needed in effective detection range.Such as effective detection range is L, distance point
Resolution requires to be S, then M=L/S.General ultrasound measurement module effective detection range can be in 4m or more.All stimulating electrodes
Electric current by one array top public electrode be formed into a loop.All stimulating electrodes only account for 10~20cm2Range is adjacent
Two electrode gap about 5~10mm, can experience these stimulations with palm.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (8)
1. a kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix, it is characterised in that: exist including blind-guiding stick ontology and setting
Stimulating electrode dot matrix on blind-guiding stick ontology, and design, in the intrinsic control circuit of blind-guiding stick, the control circuit includes
Single-chip microcontroller, signal adapter, multiple ultrasonic distance measuring modules, multiple pulsqe distributors, stimulated current generator, the stimulation electricity
Flow generator includes multiple driving circuits, DC-DC boost module, constant-current controller, and the single-chip microcomputer output is turned by signal
Parallel operation and multiple ultrasonic distance measuring modules are electrically connected, and the single-chip microcomputer output also connects with multiple pulsqe distributor input terminals
It connects, the multiple pulsqe distributor output end is separately connected multiple driving circuits, and the multiple driving circuit connects
Connect DC-DC boost module output end, it is defeated that each driving circuit output end with constant-current controller output end connect stimulating electrode
Enter end.
2. a kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix as described in claim 1, it is characterised in that: described super
Sound ranging module be it is N number of, the stimulating electrode array has N column stimulating electrode, and each column stimulating electrode has M stimulating electrode, M
Value be the then M=L/S according to the distance resolution that is needed in effective detection range, wherein L is effective detection range, and S is
Distance resolution.
3. a kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix as described in claim 1, it is characterised in that: the letter
Number converter model is CD4052.
4. a kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix as described in claim 1, it is characterised in that: the arteries and veins
Rush the decoder that distributor is model 74HC138.
5. a kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix as described in claim 1, it is characterised in that: the thorn
Sharp current generator includes photoisolator PVI1050N and N-channel field-effect tube CS1N60, the photoisolator
PVI1050N input terminal connects pulsqe distributor output end, and the PVI1050N output end connects N-channel field-effect tube CS1N60
Grid and source electrode, the grid and source electrode of the N-channel field-effect tube CS1N60 be also connected with 1M Ω resistance, the N-channel field effect
Should the drain electrode of pipe CS1N60 connect DC-DC boost module output end, the source electrode of the CS1N60 connects stimulating electrode input terminal.
6. a kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix as described in claim 1, it is characterised in that: the perseverance
Stream controller includes operational amplifier and triode, and the operational amplifier in-phase end connects the adjustable end of 10K Ω adjustable resistance, institute
Adjustable resistance one end is stated by switch SW connection 5V DC power supply, the adjustable resistance other end is grounded, operational amplifier described in power supply
Reverse side connecting triode emitter, the operational amplifier output terminal connecting triode base stage, the transistor collector connect
Connect the public input terminal of stimulating electrode.
7. a kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix as described in claim 1, it is characterised in that: the thorn
Sharp electrode accounts for 10~20cm of area2, two neighboring stimulating electrode interval about 5~10mm.
8. a kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix as described in claim 1, it is characterised in that: described
DC-DC boost module input terminal connects 5V DC power supply by switch SW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391204.5A CN109966126A (en) | 2019-05-11 | 2019-05-11 | A kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391204.5A CN109966126A (en) | 2019-05-11 | 2019-05-11 | A kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109966126A true CN109966126A (en) | 2019-07-05 |
Family
ID=67073456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910391204.5A Pending CN109966126A (en) | 2019-05-11 | 2019-05-11 | A kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109966126A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202761651U (en) * | 2012-08-02 | 2013-03-06 | 河海大学 | Novel intelligent guide cane |
| US20140100638A1 (en) * | 2011-06-28 | 2014-04-10 | Zengguang Hou | Functional electrical stimulation system |
| CN108175649A (en) * | 2018-02-23 | 2018-06-19 | 程大国 | A kind of ultrasonic listening blind-guiding stick, control system and method |
| CN207520327U (en) * | 2017-05-03 | 2018-06-22 | 苏州工业职业技术学院 | A kind of intelligent guiding walking stick for blind person |
| CN211132018U (en) * | 2019-05-11 | 2020-07-31 | 上海健康医学院 | Two-dimensional ultrasonic blind guiding stick based on current lattice stimulation |
-
2019
- 2019-05-11 CN CN201910391204.5A patent/CN109966126A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140100638A1 (en) * | 2011-06-28 | 2014-04-10 | Zengguang Hou | Functional electrical stimulation system |
| CN202761651U (en) * | 2012-08-02 | 2013-03-06 | 河海大学 | Novel intelligent guide cane |
| CN207520327U (en) * | 2017-05-03 | 2018-06-22 | 苏州工业职业技术学院 | A kind of intelligent guiding walking stick for blind person |
| CN108175649A (en) * | 2018-02-23 | 2018-06-19 | 程大国 | A kind of ultrasonic listening blind-guiding stick, control system and method |
| CN211132018U (en) * | 2019-05-11 | 2020-07-31 | 上海健康医学院 | Two-dimensional ultrasonic blind guiding stick based on current lattice stimulation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4531358B2 (en) | Touch panel display device | |
| EP3031689B1 (en) | Techniques for presenting vehicle-related information | |
| EP2790088B1 (en) | Method and apparatus for sensory stimulation | |
| TWI289058B (en) | Living body stimulating apparatus | |
| WO2007066717A1 (en) | Electric tactile display | |
| CN103212157B (en) | Bipolar general nerve electric stimulation instrument | |
| CN104606030A (en) | Lower limb on-line walking rehabilitation system and method fused with autokinetic movement consciousness | |
| JP6351250B2 (en) | Electrical stimulation system | |
| CN104331155A (en) | Device using electric stimulation to realize touch reappearing | |
| JP6424402B2 (en) | Bioelectric stimulation device | |
| CN109966126A (en) | A kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of electric current dot matrix | |
| JP2009187579A (en) | Touch panel display device | |
| Chongyang et al. | Tactile sensitivity in ultrasonic haptics: Do different parts of hand and different rendering methods have an impact on perceptual threshold? | |
| CN211132018U (en) | Two-dimensional ultrasonic blind guiding stick based on current lattice stimulation | |
| CN112057739B (en) | Pulse output control method, device, electronic equipment and computer storage medium | |
| CN109998875A (en) | A kind of two-dimensional ultrasound blind-guiding stick based on the stimulation of voltage dot matrix | |
| CN109876296B (en) | Electronic acupuncture therapeutic instrument | |
| CN106155329B (en) | Steady-state induced current potential brain-computer interface method based on reciprocally swinging visual perception | |
| CN211272120U (en) | Two-dimensional ultrasonic blind guiding stick based on voltage lattice stimulation | |
| CN206726169U (en) | For producing the egersimeter system of artificial tactile | |
| CN213285410U (en) | Transcranial ultrasonic deep stimulation experimental device | |
| CN109966127A (en) | A kind of two-dimensional ultrasound blind-guiding stick based on multiple spot vibration frequency transmitting information | |
| CN110141785A (en) | A kind of multichannel electric stimulation | |
| CN207992737U (en) | A kind of signal generation apparatus and the equipment with signal generation apparatus | |
| CN210044701U (en) | Electronic acupuncture therapeutic instrument |
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 |