CN107187973A - It is a kind of to facilitate the elevator touch button device that blind person uses - Google Patents
It is a kind of to facilitate the elevator touch button device that blind person uses Download PDFInfo
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- CN107187973A CN107187973A CN201710511843.1A CN201710511843A CN107187973A CN 107187973 A CN107187973 A CN 107187973A CN 201710511843 A CN201710511843 A CN 201710511843A CN 107187973 A CN107187973 A CN 107187973A
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- touch button
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- touch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/461—Adaptations of switches or switchgear characterised by their shape or profile
- B66B1/463—Touch sensitive input devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/46—Adaptations of switches or switchgear
- B66B1/52—Floor selectors
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Elevator Control (AREA)
Abstract
Facilitate the elevator touch button device that blind person uses the invention provides a kind of, including at least one self-service touch button system and purpose floor control system, self-service touch button system and purpose floor control system are installed in car, each self-service touch button system is connected with purpose floor control system by bus module, purpose floor control system includes driver element and control unit, control unit gathers the floor indication signal in self-service touch button system in purpose floor control system, and send instruction feedback and act on driver element, the driver element drives ascending for elevator or descending.The present invention determines the number of floor levels needed by self-service touch button system, control unit gathers the floor indication signal in self-service touch button system in purpose floor control system, and send instruction feedback and act on driver element, the driver element drives ascending for elevator or descending, blind person and normal person can be applied to simultaneously, it is widely used.
Description
Technical field
Filled the present invention relates to elevator button technical field, more particularly to a kind of elevator touch button for facilitating blind person to use
Put.
Background technology
The button used on existing button, especially elevator, generally 2 stance buttons (closure disconnects).It is mostly
Metal snap, minority is to be designed with braille by lucite button, general button, when blind person enters in the case of unmanned help
When the elevator selects floor, the position of button is typically found with hand first, after finding button, then is found in button or its surrounding
Braille, finds after braille and thin to touch the floor that one end time could be representated by recognition button.Sometimes can also recognize mistake and push the wrong by
Button goes to the wrong way floor.It is easy to make dirty in addition, touching braille recessed portion repeatedly, easy cleaning is not so as to produce substantial amounts of bacterium dirt
Residual.Recognition speed is relatively slow and easily carries out maloperation.
For example Chinese patent 200820056470.X discloses a kind of elevator button device, is mainly made up of 3 parts, respectively
For voice unit, 2 state button modules and touch sensible module, when blind person touches respective storey button, respective storey button enters
Row voice message, when pressing respective storey, corresponding floor button carries out voice message again.Technical scheme is, condenser type
Sense button, including MCU, capacitance comparator and sensitive surface, the sensitive surface is connected with capacitance comparator input, the electric capacity
Comparator output terminal is connected with MCU.Realize " tri-state " of button --- voice messaging is provided when touching, facilitating blind person makes
With so that elevator is humanized.Although the technical scheme can improve blind person's recognition speed, and reduce the generation of maloperation
Probability, but when blind person itself unavoidably has maloperation or Iterim Change floor whereabouts, the system can not be returned
Or the operation cancelled, and busy voice message also influences whether the life of normal person.
For example Chinese patent 200910027167.6 discloses a kind of elevator button device again, and it includes single-chip microcomputer, touch
Connection sound output after induction module, memory, voice unit, audio output device and power supply, single-chip microcomputer connection voice unit
Equipment, memory and touch sensible module are all connected with single-chip microcomputer, and power supply is to single-chip microcomputer and touch sensible module for power supply, the touch
Induction module includes binary states button, and single-chip microcomputer is also connected with a serial i/O chip.It is real by touch sensible module and voice unit
The voice message that existing elevator button is touched, facility is provided for blind person's boarding.But when blind person itself unavoidably deposits in the program
In maloperation or Iterim Change floor whereabouts, the operation that the system also can not be returned or cancelled, and busy voice
Prompting also influences whether the life of normal person.
The content of the invention
When unavoidably there is maloperation or Iterim Change floor whereabouts to overcome blind person present in prior art itself,
The operation that the system also can not be returned or cancelled, and busy voice message also influences whether asking for the life of normal person
Topic, the elevator touch button device that blind person uses is facilitated the invention provides a kind of.
The technical solution adopted by the present invention is：A kind of to facilitate the elevator touch button device that blind person uses, its innovative point exists
In：Including at least one self-service touch button system and purpose floor control system, self-service the touch button system and purpose
Floor control system is installed in car, and each self-service touch button system passes through bus mould with purpose floor control system
Block is connected, and the purpose floor control system includes control unit in driver element and control unit, purpose floor control system
The floor indication signal in self-service touch button system is gathered, and sends instruction feedback and acts on driver element, the driving list
Member driving ascending for elevator or descending.
In some embodiments, the self-service touch button system includes touch sensing unit, touch button, voice list
Member and processing unit, the touch sensing unit are connected with touch button, realize the sensing of blind person's touch key-press；It is described to touch sense
Unit is answered also to be connected respectively with voice unit, processing unit, the processing unit is connected with control unit.
In some embodiments, the self-service touch button system also includes timing unit and timing feedback unit；Institute
Timing unit and the connection of timing feedback unit are stated, the timing feedback unit is all connected with voice unit and processing unit.
In some embodiments, timing the timing unit is when touch button is touched, when touching 0.5-1s
Between in section, the floor indication signal of touch is fed back to voice unit and carries out voice message floor information by timing feedback unit；Even
During continuous touch more than 3s, the floor indication signal of current touch is directly fed back to processing unit, Jin Erchuan by timing feedback unit
Control unit is passed, instruction feedback is sent and acts on driver element, driver element driving ascending for elevator or descending.
In some embodiments, in addition to feedback cancels unit, the feedback is cancelled unit and directly connected with control unit
Connect, cancel unit by the feedback feeds back to control unit by floor indication signal that is overdue or mishearing, makes driver element
Stopping is acted.
In some embodiments, the feedback, which cancels unit, includes counting unit and arithmetic element；The counting unit
It is connected with arithmetic element, arithmetic element is connected with control unit.
In some embodiments, the number of times that the counting unit record touch button is continuously touched, the computing list
The count information of first statistical counting unit, when being counted as continuous 3 times and the above by arithmetic element, arithmetic element feedback cancels letter
Breath to control unit acts the stopping of driver element.
In some embodiments, the feedback, which cancels unit and also includes interval, clocks unit, and the interval clocks unit
It is connected in parallel with counting unit, the interval time continuously touched by the unit record touch button that intermittently clocks, when interval
Between when being less than 1s, effectively, while when arithmetic element is counted as continuous 3 times and the above, arithmetic element is just for unit record of intermittently clocking
Feedback, which cancels information to control unit, acts the stopping of driver element.
In some embodiments, the self-service touch button system also includes time set unit, the time set
Unit connects voice unit, and the timing from door-opened elevator by time set unit is related to default elevator operation duration
Compare, feedback voice unit carries out operation prompting, it is to avoid operation by blind time-out.
In some embodiments, memory cell is provided with the time set unit, the memory cell is used to deposit
Store up default elevator operation time duration.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention facilitates the elevator touch button device that blind person uses, and determines to need by self-service touch button system
Control unit gathers the floor indication signal in self-service touch button system in the number of floor levels to be arrived, purpose floor control system,
And send instruction feedback and act on driver element, the driver element drives ascending for elevator or descending, can be applied to simultaneously blind
People and normal person, it is widely used.
(2) present invention facilitates the elevator touch button device that blind person uses, and self-service touch button system includes touch sensible
Unit, touch button, voice unit and processing unit, touch sensing unit are exported to voice list by itself corresponding sensing level
Sound transmitter device in member, voice unit is used for voice message.When encountering corresponding floor button, voice message is corresponding
Number of floor levels, so that blind person judges；After correct judgment, then the pressing that exerted a force to the touch button；Certainly, touch button force is pressed
Pressure needs to meet certain force size, it is to avoid dub or other touch caused wrong pressing instruction by mistake.
(3) present invention facilitates the elevator touch button device that blind person uses, and self-service touch button system also includes timing list
Member and timing feedback unit；Timing feedback unit the floor indication signal of current touch directly can be fed back into processing unit and
Without carrying out voice message, it is to avoid excessively busy voice message has influence on other people trip, as long as being filled in addition, touching holding
The time of foot, it is possible to guarantee accurately to reach the floor, it is adaptable to the special crowd of blind person etc, improve differentiation
Correctness.In addition, cancelling pressing touch button, the trouble of a voice message on the one hand can be saved, on the other hand, without
It is confirmed whether to press successfully and whether while being accidentally pressed into periphery button and bringing unnecessary trouble.
(4) present invention facilitate the elevator touch button device that blind person uses, it is contemplated that blind person also have hearing error or
It is interim to consider the need for removing other floor, then to need to be modified the floor button just determined, therefore the present invention is also wrapped
Include feedback and cancel unit, feedback cancels the setting of unit, is conducive to the instruction to error message to be purged or cancel.Certainly,
Normal person in use, same effect can also can also be reached by dubbing the number of times of 3 times or more on touch button, this
Invention system is applicable not only to blind person and is also applied for normal person, really facilitates blind person's boarding.
(5) present invention facilitates the elevator touch button device that blind person uses, in addition to time set unit, works as time set
When the timing of unit is equal to default elevator operation duration half, can once it be fed back, voice unit carries out voice reminder, when
When the timing of time set unit is equal to default elevator operation duration 2/3, it can be fed back again, voice unit carries out two
Secondary voice reminder；Ensure blind person's reasonable arrangement time, also function to the effect of prompting, prevent blind person from forgetting to touch touch button, lead
Cause such as multiplies at the event by mistake to be occurred.
Brief description of the drawings
Fig. 1 is that the present invention facilitates a kind of embodiment schematic diagram of elevator touch button device that blind person uses；
Fig. 2 is second of embodiment schematic diagram of the invention；
Fig. 3 is the third embodiment schematic diagram of the invention；
Fig. 4 is the 4th kind of embodiment schematic diagram of the invention.
Embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific embodiment only to explain the present invention, is not intended to limit the present invention.
The elevator touch button device that blind person uses, including at least one self-service touch is facilitated to press the present invention discloses a kind of
Button system 1 and purpose floor control system 2, self-service touch button system 1 are to include the touch button for facilitating blind person to use, institute
State self-service touch button system 1 and purpose floor control system 2 is installed in car, each self-service touch button system 1 is equal
It is connected with purpose floor control system 2 by bus module, in this embodiment of the invention, bus connecting mode is that CAN is total
Line, RS485 buses etc., but not limited to this, in this embodiment of the invention, are illustrated by taking CAN connected mode as an example.
Meanwhile, describe, only said so that a self-service touch button system is connected with purpose floor control system 2 as an example for convenience
It is bright, certainly, in actual use, it can not only include a self-service touch button system 1.As shown in figure 1, in this reality of the invention
Apply in mode, the purpose floor control system 2 is included in driver element 22 and control unit 21, purpose floor control system 2
Control unit 21 gathers the floor indication signal in self-service touch button system 1, and sends instruction feedback and act on driver element
22, the driver element 22 drives ascending for elevator or descending.In the present invention, determine to need by self-service touch button system 1
The floor that control unit 21 is gathered in self-service touch button system 1 in the number of floor levels to be arrived, purpose floor control system 2 indicates letter
Number, and send instruction feedback and act on driver element 22, the driver element 22 drives ascending for elevator or descending, it is adaptable to blind person
And normal person, it is widely used.
Specifically, as shown in figure 1, in this embodiment of the present invention, the self-service touch button system 1 includes touching
Sensing unit 10, touch button 11, voice unit 12 and processing unit 13, the touch sensing unit 10 connect with touch button 11
Connect, realize the sensing of people's touch key-press；The touch sensing unit 10 is also connected with voice unit 12, processing unit 13 respectively,
The processing unit 13 is connected with control unit 21.It is corresponding by itself when touch sensing unit 10 senses the touching of human hand
Sensing level is exported to voice unit 12, and the sound transmitter device in voice unit 12 is used for voice message.It is corresponding when encountering
During floor button, the corresponding number of floor levels of voice message, so that blind person judges；Exerted a force after correct judgment, then to the touch button
Pressing, processing unit 13 is passed to by the corresponding signal of touch button 11, then passes to driver element 22 by processing unit 13,
And then elevator is driven to corresponding floor；And normal person only needs to press touch button force, you can by touch button 11
Corresponding signal passes to processing unit 13, then passes to driver element 22 by processing unit 13, and then drives elevator to corresponding
Floor.Certainly, the force pressing of touch button 11 is needed to meet certain force size, it is to avoid dub or other touch and caused by mistake
Wrong pressing instruction.
As it is further preferred that in this embodiment of the present invention, self-service touch button system 1 also includes timing list
Member 14 and timing feedback unit 15；The timing unit 14 and timing feedback unit 15 are connected, the timing feedback unit 15 with
Voice unit 12 and processing unit 13 are all connected with.Timing unit 14 when touch button 11 is touched timing, touch 0.5-
In the 1s periods, the floor indication signal of touch is fed back to voice unit 12 and carries out voice message floor by timing feedback unit 15
Information；During continuous touch more than 3s, it is single that the floor indication signal of current touch is directly fed back to processing by timing feedback unit 15
Member 13, and then control unit 21 is passed to, send instruction feedback and act on driver element 22, the driving ascending for elevator of driver element 22
Or it is descending.Certainly, timing unit 14 and timing feedback unit 15 substantially increase the accuracy of intelligent elevator work, are touched when continuous
When touching some touch button of more than 3s, represent that party thinks the touch button 11 floor that goes, timing feedback unit 15 is straight
Connect by the floor indication signal of current touch feed back to processing unit 13 and without carrying out voice message, it is to avoid it is excessively busy
Voice message has influence on other people trip, as long as in addition, touching the time for keeping sufficient, it is possible to guarantee accurately arrival
The floor, it is adaptable to the special crowd of blind person etc, improves the correctness of differentiation.In addition, cancelling pressing touch button 11, one
Whether aspect can save the trouble of a voice message, on the other hand, without being confirmed whether to press successfully and while not
Carefully it is pressed into periphery button and brings unnecessary trouble.
In this embodiment of the present invention, it is contemplated that blind person also has hearing error or other floor is removed in interim consideration
The need for, then need to be modified the floor button just determined, therefore, as it is further preferred that also including feedback
Cancel unit, the feedback is cancelled unit and is directly connected with control unit 21, cancelling unit by the feedback will be overdue or listen
Wrong floor indication signal feeds back to control unit 21, acts the stopping of driver element 22.Specifically, as shown in Figure 2：At this
In this embodiment of invention, the feedback, which cancels unit, includes counting unit 16 and arithmetic element 17；The counting unit 16
It is connected with arithmetic element 17, arithmetic element 17 is connected with control unit 21.The record touch button 11 of counting unit 16 is continuously touched
The number of times touched, the count information of the statistical counting unit 16 of arithmetic element 17, be counted as continuous 3 times by arithmetic element 17 and
During the above, the feedback of arithmetic element 17, which cancels information to control unit 21, acts the stopping of driver element 22.Therefore, when touch hair
During raw mistake, it is only necessary to which the continuous number of times for dubbing 3 times or more on the touch button 11, arithmetic element 17 receives number of times and collected
Afterwards, the feedback of arithmetic element 17, which cancels information to control unit 21, acts the stopping of driver element 22.In the present invention, feedback takes
Disappear the setting of unit, is conducive to the instruction to error message to be purged or cancel.Certainly, normal person is in use, can also lead to
Cross and the number of times of 3 times or more is dubbed on touch button, can also reach same effect, present system is applicable not only to blind person
Normal person is also applied for, really facilitates blind person's boarding.
As it is further preferred that in this embodiment of the present invention, above-mentioned feedback, which cancels unit, also includes interval note
Shi Danyuan 18, the setting for the unit 18 that intermittently clocks is primarily used to the clear and definite standard continuously touched.As shown in Figure 3：The interval
The unit 18 that clocks is connected in parallel with counting unit 16, between continuously being touched by the record touch button 11 of unit 18 that intermittently clocks
Every the time, when interval time being less than 1s, the unit 18 that intermittently clocks is recorded effectively, while arithmetic element 17 is counted as continuous 3 times
And during the above, the ability of arithmetic element 17, which will be fed back, cancels information to control unit 21, makes driver element, 2 stopping action.In this hair
In bright, by increasing the interval calculation continuously touched, and satisfaction regulation is spaced, while meeting the statistical counting list of arithmetic element 17
First 16 when being counted as 3 times and the above, arithmetic element 17 just feeds back cancellation information to control unit 21, improves cancellation and is intended in fact
The protection applied and mistake is indicated caused by avoiding false touch, improves the intelligent of system.
In the prior art, the operating time of general elevator setting inadequate blind person touches and operated, on the one hand main
Elevator operation before reason is is not simple and clear enough for blind person, is on the other hand the operating time that elevator is set in itself
Also it is not provided with reminding, blind person needs to touch and operated in addition, does not also have the reasonable arrangement time on the premise of the used time is longer, such as schemes
Shown in 4, as it is further preferred that in this embodiment of the present invention, the self-service touch button system 1 also includes timing
Setting unit 19, the time set unit 19 connects voice unit 12, by time set unit 19 from door-opened elevator
Timing, with default elevator operation duration correlation ratio compared with feedback voice unit 12 carries out operation prompting, it is to avoid operation by blind surpasses
When；For example, when the timing of time set unit 19 is equal to default elevator operation duration half, can once be fed back, language
Sound unit carries out voice reminder, when the timing of time set unit 19 is equal to default elevator operation duration 2/3, can carry out again
Once feed back, voice unit 12 carries out secondary voice reminder；Ensure blind person's reasonable arrangement time, also function to the effect of prompting, prevent
Only blind person forgets to touch touch button 11, the event such as causes to multiply by mistake and occurs.As it is further preferred that as shown in Figure 4：It is described fixed
When setting unit 19 in be provided with memory cell, the memory cell is used to store default elevator operation time duration.
The preferred embodiments of the present invention have shown and described in described above, as previously described, it should be understood that not office of the invention
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and
Environment, and can be changed in invention contemplated scope described herein by the technology or knowledge of above-mentioned teaching or association area
It is dynamic., then all should be appended by the present invention and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In scope of the claims.
Claims (10)
1. a kind of facilitate the elevator touch button device that blind person uses, it is characterised in that：Including at least one self-service touch button
System (1) and purpose floor control system (2), the self-service touch button system (1) and purpose floor control system (2) are pacified
In car, each self-service touch button system (1) is connected with purpose floor control system (2) by bus module, institute
Stating purpose floor control system (2) includes controlling in driver element (22) and control unit (21), purpose floor control system (2)
Unit (21) gathers the floor indication signal in self-service touch button system (1), and sends instruction feedback and act on driver element
(22), driver element (22) the driving ascending for elevator or descending.
2. according to claim 1 facilitate the elevator touch button device that blind person uses, it is characterised in that：It is described self-service tactile
Touching button system (1) includes touch sensing unit (10), touch button (11), voice unit (12) and processing unit (13), institute
State touch sensing unit (10) to be connected with touch button (11), realize the sensing of people's touch key-press；The touch sensing unit
(10) also it is connected respectively with voice unit (12), processing unit (13), the processing unit (13) is connected with control unit (21).
3. according to claim 2 facilitate the elevator touch button device that blind person uses, it is characterised in that：It is described self-service tactile
Touching button system (1) also includes timing unit (14) and timing feedback unit (15)；The timing unit (14) and timing feedback
Unit (15) is connected, and the timing feedback unit (15) is all connected with voice unit (12) and processing unit (13).
4. according to claim 3 facilitate the elevator touch button device that blind person uses, it is characterised in that：The timing list
First (14) when touch button (11) is touched timing, touch in the 0.5-1s periods, timing feedback unit (15) will be touched
The floor indication signal touched feeds back to voice unit (12) and carries out voice message floor information；During continuous touch more than 3s, timing
The floor indication signal of current touch is directly fed back to processing unit (13), and then pass to control unit by feedback unit (15)
(21), send instruction feedback and act on driver element (22), driver element (22) driving ascending for elevator or descending.
5. facilitate the elevator touch button device that blind person uses according to claim 2 or 4, it is characterised in that：Also include
Feedback cancels unit, and the feedback is cancelled unit and is directly connected with control unit (21), and cancelling unit by the feedback will by mistake
Point or the floor indication signal misheard feed back to control unit (21), act the stopping of driver element (22).
6. according to claim 5 facilitate the elevator touch button device that blind person uses, it is characterised in that：The feedback takes
The unit that disappears includes counting unit (16) and arithmetic element (17)；The counting unit (16) is connected with arithmetic element (17), computing
Unit (17) is connected with control unit (21).
7. according to claim 6 facilitate the elevator touch button device that blind person uses, it is characterised in that：It is described to count single
The number of times that first (16) record touch button (11) is continuously touched, the counting of arithmetic element (17) the statistical counting unit (16)
Information, when being counted as continuous 3 times and the above by arithmetic element (17), arithmetic element (17) feedback cancels information to control unit
(21) act the stopping of driver element (22).
8. according to claim 7 facilitate the elevator touch button device that blind person uses, it is characterised in that：The feedback takes
The unit that disappears also includes interval and clocked unit (18), and the interval unit (18) that clocks is connected in parallel with counting unit (16), is passed through
Interval clocks the interval time that unit (18) record touch button (11) is continuously touched, when interval time being less than 1s, interval
The unit (18) that clocks record is effective, while when arithmetic element (17) is counted as continuous 3 times and the above, arithmetic element (17) is just fed back
Cancel information to control unit (21), the stopping action of control driver element (22).
9. according to claim 2 facilitate the elevator touch button device that blind person uses, it is characterised in that：It is described self-service tactile
Touching button system (1) also includes time set unit (19), and time set unit (19) the connection voice unit (12) passes through
Time set unit (19) timing from door-opened elevator, with default elevator operation duration correlation ratio compared with feedback voice unit
(12) voice operating prompting is carried out, it is to avoid operation by blind time-out.
10. according to claim 9 facilitate the elevator touch button device that blind person uses, it is characterised in that：The timing
Memory cell is provided with setting unit (19), the memory cell is used to store default elevator operation time duration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710511843.1A CN107187973B (en) | 2017-06-29 | 2017-06-29 | A kind of elevator touch button device for facilitating blind person to use |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710511843.1A CN107187973B (en) | 2017-06-29 | 2017-06-29 | A kind of elevator touch button device for facilitating blind person to use |
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| CN107187973B CN107187973B (en) | 2019-07-16 |
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Cited By (4)
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| CN110085466A (en) * | 2019-05-30 | 2019-08-02 | 江苏威尔曼科技有限公司 | A kind of elevator signal system glass Braille buttons word slice and preparation method thereof |
| CN110775752A (en) * | 2018-07-25 | 2020-02-11 | 奥的斯电梯公司 | Automatic method for detecting visually impaired, pregnant or disabled elevator passengers |
| CN111137764A (en) * | 2020-01-14 | 2020-05-12 | 上海奥利夫电气设备有限公司 | Touch button of accessible elevator |
| CN112408125A (en) * | 2020-10-28 | 2021-02-26 | 广州广日电气设备有限公司 | Elevator button and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110775752A (en) * | 2018-07-25 | 2020-02-11 | 奥的斯电梯公司 | Automatic method for detecting visually impaired, pregnant or disabled elevator passengers |
| CN110775752B (en) * | 2018-07-25 | 2022-04-15 | 奥的斯电梯公司 | Automatic method for detecting visually impaired, pregnant or disabled elevator passengers |
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| CN112408125A (en) * | 2020-10-28 | 2021-02-26 | 广州广日电气设备有限公司 | Elevator button and control method |
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| Publication number | Publication date |
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| CN107187973B (en) | 2019-07-16 |
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