CN108639884A - A kind of elevator outer calling of rectilinear gesture identification - Google Patents
A kind of elevator outer calling of rectilinear gesture identification Download PDFInfo
- Publication number
- CN108639884A CN108639884A CN201810432819.3A CN201810432819A CN108639884A CN 108639884 A CN108639884 A CN 108639884A CN 201810432819 A CN201810432819 A CN 201810432819A CN 108639884 A CN108639884 A CN 108639884A
- Authority
- CN
- China
- Prior art keywords
- gesture
- gesture identification
- elevator
- main control
- call
- 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.)
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/10—Details with respect to the type of call input
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/40—Details of the change of control mode
- B66B2201/46—Switches or switchgear
- B66B2201/4607—Call registering systems
- B66B2201/4638—Wherein the call is registered without making physical contact with the elevator system
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses a kind of elevator outer callings of rectilinear gesture identification,Belong to elevator call technical field,A kind of elevator outer calling of rectilinear gesture identification,Including gesture identification sensor,Main control MCU,Elevator control panel and call indicator light,Call indicator light includes green indicator light and yellow indicator lamp,Gesture identification sensor obtains gestures direction and is communicated with main control MCU,When judging effective after main control MCU receives gesture,Calling signal is sent to elevator control panel,Elevator control panel lights green indicator light prompt user's call success after receiving calling signal,After main control MCU receives invalid gesture,Calling signal will not be sent to elevator control panel,It is invalid that main control MCU lights yellow indicator lamp prompt gesture,Service life may be implemented significantly to extend,Regardless of band can be operated without gloves,Due to hand not with outgoing call button or plate contact,Therefore call will not be influenced speckling with water on hand,The propagation of bacterial virus is effectively prevented simultaneously,Call mode is novel.
Description
Technical field
The present invention relates to elevator call technical fields, more specifically to a kind of elevator of rectilinear gesture identification outside
It exhales.
Background technology
Elevator outer calling refers to the operation that occupant controls floor where elevator reaches, and general elevator outer calling is all using machinery
Formula or the mode of touch-key carry out call, and Push-button lamp is bright to show that calling has been registered (if button is by other occupants
By bright, then it is not necessarily to press again), car will come stop stop.Meeting automatic door opening when car reaches the stop, occupant is by direction
Indicator light confirms car by upstream or downstream.When car traffic direction is identical as call direction, then bright outgoing call button has been pressed
Lamp will extinguish, and show that occupant can multiply the ladder；When direction on the contrary, then outgoing call Push-button lamp does not extinguish, occupant still needs to wait for.
Existing call mode is that each call is required for contact button, with hand go by mechanical button be easily damaged machinery by
Button, service life is shorter, touch button also, if speckling with water on hand, touches ineffective, and touch button can not be with gloves
Operation.
Invention content
1. technical problems to be solved
For problems of the prior art, the purpose of the present invention is to provide a kind of elevators of rectilinear gesture identification
Outgoing call, it may be implemented service life and significantly extends, regardless of band can be operated without gloves, due to hand not with outgoing call button
Or plate contact, therefore call will not be influenced speckling with water on hand, while effectively preventing the propagation of bacterial virus, call side
Formula is novel.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of elevator outer calling of rectilinear gesture identification, including gesture identification sensor, main control MCU, elevator control panel and
Call indicator light, the call indicator light include green indicator light and yellow indicator lamp, the gesture identification sensor and master control
MCU is electrically connected, and the main control MCU and elevator control panel are electrically connected, the green indicator light and yellow indicator lamp with electricity
Terraced control panel is electrically connected, it may be implemented service life and significantly extends, regardless of band can be operated without gloves, since hand does not have
Have with outgoing call button or plate contact, therefore call will not be influenced speckling with water on hand, while effectively preventing bacterial virus
Propagation, call mode is novel.
A kind of elevator outer calling of rectilinear gesture identification, system flow are：The gesture identification sensor obtains gesture
Direction is simultaneously communicated with main control MCU, and gestures direction is sent to main control MCU by the gesture identification sensor, and the main control MCU receives
Validity is judged after gesture, and when judging effective after main control MCU receives gesture, calling signal is sent to elevator control panel, it is described
Elevator control panel lights green indicator light prompt user's call success after receiving calling signal, when main control MCU receives invalid hand
After gesture, calling signal will not be sent to elevator control panel, it is invalid that main control MCU lights yellow indicator lamp prompt gesture.
Further, effective gesture of the calling signal is that the five fingers strut or merge, general occupant's the five fingers support
It opens or merges, brandish then up or downwards and can be carried out call.
Further, effective gesture of the calling signal can also be to stretch out a finger, the unsound occupant of finger
It can upward or downward be brandished with a finger and carry out call, the call of special population is facilitated to operate.
Further, it is flickered when the yellow indicator lamp is arranged to light, and flicker frequency is three times per second, call failure
When, convenient for reminding occupant to make a gesture again call, the flicker frequency of three times per second is reinforced reminding effect for yellow indicator lamp flicker.
Further, the gesture identification sensor is connected on elevator outer calling, and multiple draw is connected on elevator outer calling
Leading lights, multiple guiding lamps are evenly spaced in gesture identification sensor surrounding, and gesture identification sensor receives hand signal
When, gestures direction is sent to main control MCU by gesture identification sensor, and control guiding lamp is lighted after the main control MCU receives gesture,
Its position made a gesture is determined convenient for occupant.
Further, the guiding lamp is laser diode, and laser diode uses quantum-well diode laser, quantum
Trap laser diode electricity consumption is small, and output is stablized, good brightness, far firing range.
Further, the identification end of the gesture identification sensor is parallel to ground, and the light of the guiding lamp is equally flat
Row is in ground, and compared with existing level gesture identification mode, rectilinear gesture identification mode can reduce occupant and know with gesture
The induction region contact area of individual sensor, effectively reduces maloperation.
Further, annular RGB LED lamp panels are connected on the elevator outer calling, and annular RGB LED lamp plates are surrounded on
On the outside of gesture identification sensor, multiple guiding lamps are uniformly embedded in annular RGB LED lamp plates surface, and administrator is available
Cell phone application changes the color of guiding lamp according to hobby by Bluetooth control annular RGB LED lamp panels.
Further, the annular RGB LED lamp panels are set as the five fingers and stretch out shape, and multiple guiding lamps are stretched out in the five fingers
Formula is arranged in annular RGB LED lamp panels, and common external occupant can be launched by observing guiding lamp in five when making a gesture
The laser shape for referring to formula of stretching out quickly understands correct gesture.
3. advantageous effect
Compared with the prior art, the advantage of the invention is that：
(1) this programme may be implemented service life and significantly extend, regardless of band can be operated without gloves, since hand does not have
With outgoing call button or plate contact, therefore call will not be influenced speckling with water on hand, while effectively preventing bacterial virus
It propagates, call mode is novel.
(2) effective gesture of calling signal is that the five fingers strut or merge, and general occupant's the five fingers strut or merge, so
It brandishes upward or downward afterwards and can be carried out call.
(3) effective gesture of calling signal can also be to stretch out a finger, and the unsound occupant of finger can use a hand
Finger brandishes carry out call upward or downward, and the call of special population is facilitated to operate.
(4) it is flickered when yellow indicator lamp is arranged to light, and flicker frequency is three times per second, when call fails, yellow refers to
Show lamp flicker convenient for reminding occupant to make a gesture again call, the flicker frequency of three times per second is reinforced reminding effect.
(5) gesture identification sensor is connected on elevator outer calling, and multiple guiding lamps, Duo Geyin are connected on elevator outer calling
Leading lights are evenly spaced in gesture identification sensor surrounding, when gesture identification sensor receives hand signal, gesture identification sensing
Gestures direction is sent to main control MCU by device, and control guiding lamp is lighted after main control MCU receives gesture, its hired roughneck is determined convenient for occupant
The position of gesture.
(6) guiding lamp is laser diode, and laser diode uses quantum-well diode laser, two pole of Quantum Well laser
Effective electricity is small, and output is stablized, good brightness, far firing range.
(7) the identification end of gesture identification sensor is parallel to ground, and the light of guiding lamp is equally parallel to ground, and existing
Horizontal gestures identification method is compared, and rectilinear gesture identification mode can reduce the induction zone of occupant and gesture identification sensor
Domain contact area, effectively reduces maloperation.
(8) annular RGB LED lamp panels are connected on elevator outer calling, and annular RGB LED lamp panels are surrounded on gesture identification biography
On the outside of sensor, multiple guiding lamps are uniformly embedded in annular RGB LED light plate surface, and administrator can pass through bluetooth using cell phone application
Annular RGB LED lamp panels are controlled, change the color of guiding lamp according to hobby.
(9) annular RGB LED lamp panels are set as the five fingers and stretch out shape, and multiple guiding lamps are arranged in ring in the five fingers formula of stretching out
In shape RGB LED lamp panels, common external occupant can be launched by observation guiding lamp when making a gesture and stretch out formula in the five fingers
Laser shape quickly understands correct gesture.
Description of the drawings
Fig. 1 is the system flow chart of the present invention；
Fig. 2 is the structural schematic diagram at gesture identification sensor of the present invention.
Figure label explanation：
1 gesture identification sensor, 2 main control MCUs, 3 elevator control panels, 4 green indicator lights, 5 yellow indicator lamps, 6 guiding lamps,
7 annular RGB LED lamp panels, 8 voice call modules.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention；Technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes；Obviously；Described embodiments are only a part of the embodiments of the present invention；Instead of all the embodiments, it is based on
Embodiment in the present invention；It is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment；It shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instructions such as term "upper", "lower", "inner", "outside" " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
To indicate or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1：
Please refer to Fig.1-2, a kind of elevator outer calling of rectilinear gesture identification, including gesture identification sensor 1, main control MCU
2, elevator control panel 3 and call indicator light, call indicator light include green indicator light 4 and yellow indicator lamp 5, gesture identification sensing
Device 1 is electrically connected with main control MCU 2, and main control MCU 2 is electrically connected with elevator control panel 3, green indicator light 4 and yellow indicator lamp
5 are electrically connected with elevator control panel 3, and system flow is：The logic language of green indicator light 4 and yellow indicator lamp 5 will be controlled
Speech is input in main control MCU 2, and gesture identification sensor 1 obtains gestures direction and communicated with main control MCU 2, and gesture identification passes
Gestures direction is sent to main control MCU 2 by sensor 1, and main control MCU 2 judges validity after receiving gesture, when main control MCU 2 receives
When judging effective after gesture, calling signal is sent to elevator control panel 3, elevator control panel 3 puts bright green after receiving calling signal
Indicator light 4 prompts the success of user's call, after main control MCU 2 receives invalid gesture, will not send and exhale to elevator control panel 3
Terraced signal, main control MCU 2 light yellow indicator lamp 5 and prompt gesture invalid, and occupant needs call of making a gesture again, yellow indicator lamp
5 flicker when being arranged to light, and will control the logical language that yellow indicator lamp 5 flickers and are input in main control MCU 2, and flicker frequency
For three times per second, when call fails, the flicker of yellow indicator lamp 5 is convenient for reminding occupant to make a gesture again call, the sudden strain of a muscle of three times per second
Bright frequency is reinforced reminding effect, and this programme may be implemented service life and significantly extend, regardless of band can be operated without gloves, by
In hand not with outgoing call button or plate contact, therefore call will not be influenced speckling with water on hand, while effectively preventing thin
The propagation of bacterium virus, call mode are novel.
Hand is placed on the front of gesture identification sensor by occupant, is brandished upward or downward along the direction perpendicular to ground
Hand can be entire hand (struts or merge), as soon as can also be a finger, when hand is brandished vertically downward under representative
Row, hand are brandished just represent uplink vertically upward, and the logical language that control is cancelled to operation is input in main control MCU 2, when not small
Five fingers can be strutted or merge or stretch out finger alignment gesture identification sensor 1 and kept for three seconds or more by heart maloperation
It does not move, cancels last time maloperation, voice call module 8 is also equipped with outside elevator door, the logical language that control voice is operated
It is input in main control MCU 2, convenient for carrying out call when being inconvenient to the occupant to make a gesture but live only one people of occupant.
Referring to Fig. 2, gesture identification sensor 1 is connected on elevator outer calling, and gesture identification sensor 1 is apart from ground
One meter, multiple guiding lamps 6 are connected on elevator outer calling, multiple guiding lamps 6 are evenly spaced in gesture identification sensor 1 four
In week, guiding lamp 6 is laser diode, and laser diode uses quantum-well diode laser, quantum-well diode laser electricity consumption
Measure it is small, output stablize, good brightness, far firing range, when gesture identification sensor 1 receives hand signal, gesture identification sensor 1 will
Gestures direction is sent to main control MCU 2, and control guiding lamp 6 is lighted after main control MCU 2 receives gesture, its hired roughneck is determined convenient for occupant
The identification end of the position of gesture, gesture identification sensor 1 is parallel to ground, and the light of guiding lamp 6 is equally parallel to ground, and existing
Horizontal gestures identification method is compared, and rectilinear gesture identification mode can reduce the induction of occupant and gesture identification sensor 1
Region contact area effectively reduces maloperation, and annular RGB LED lamp panels 7, and annular RGB LED light are connected on elevator outer calling
Plate 7 is surrounded on 1 outside of gesture identification sensor, and multiple guiding lamps 6 are uniformly embedded in annular 7 surface of RGB LED lamp panels, manage
Member can utilize cell phone application by Bluetooth control annular RGB LED lamp panels 7, change the color of guiding lamp 6, annular RGB according to hobby
LED lamp panel 7 is set as the five fingers and stretchs out shape, and multiple guiding lamps 6 are arranged in the five fingers formula of stretching out in annular RGB LED lamp panels 7,
Common external occupant when making a gesture, can by observe guiding lamp 6 launch stretched out in the five fingers formula laser shape it is quick
Correct gesture is solved, posts outside elevator and is reminded using the picture and explanatory note of different gesture calls, special occupant can pass through sight
The warning banner examined outside elevator carries out call operation.
When common occupant needs call, as long as hand to be placed on to the front of gesture identification sensor, along perpendicular to ground
Direction brandish hand upward or downward, can be entire hand (strut or merge), can also be a finger, will control
The logical language for producing the operation that disappears is input in main control MCU 2, when accidentally five fingers can be strutted or merged by maloperation, or
1 holding of finger alignment gesture identification sensor three seconds of person's stretching one or more is not moved, and is cancelled last time maloperation, is gone back outside elevator door
Voice call module 8 is installed, convenient for carrying out call, hand when being inconvenient to the occupant to make a gesture but live only one people of occupant
The identification end of gesture identification sensor 1 is parallel to ground, and the light of guiding lamp 6 is equally parallel to ground, and common external occupant exists
When making a gesture, it can be launched by observing guiding lamp 6 and stretch out the laser shape of formula in the five fingers and quickly understand correct gesture, it is special to multiply
Member can carry out call operation by the warning banner observed outside elevator.
This programme obtains gestures direction using gesture identification sensor 1 and is communicated with main control MCU 2, gesture identification sensor
Gestures direction is sent to main control MCU 2 by 1, and main control MCU 2 judges validity after receiving gesture, when effective, to elevator control panel 3
Calling signal is sent, elevator control panel 3 lights the prompt user's call success of green indicator light 4 after receiving calling signal, works as master control
After MCU 2 receives invalid gesture, calling signal will not be sent to elevator control panel 3, main control MCU 2 lights yellow indicator lamp 5
Prompt gesture invalid, occupant needs call of making a gesture again, it has not been convenient to which still scene only has one people of occupant to the occupant to make a gesture
When, call can be carried out by the voice call module 8 outside elevator door, this programme may be implemented service life and significantly extend, no matter
Band can be operated without gloves, therefore will not shadow speckling with water on hand since hand is not with outgoing call button or plate contact
Call is rung, while effectively preventing the propagation of bacterial virus, call mode is novel.
It is described above；It is merely preferred embodiments of the present invention；But scope of protection of the present invention is not limited thereto；
Any one skilled in the art is in the technical scope disclosed by the present invention；According to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change；Should all it cover within the scope of the present invention.
Claims (10)
1. a kind of elevator outer calling of rectilinear gesture identification, it is characterised in that：Including gesture identification sensor (1), main control MCU
(2), elevator control panel (3) and call indicator light, the call indicator light include green indicator light (4) and yellow indicator lamp (5),
The gesture identification sensor (1) is electrically connected with main control MCU (2), and the main control MCU (2) electrically connects with elevator control panel (3)
It connects, the green indicator light (4) and yellow indicator lamp (5) are electrically connected with elevator control panel (3).
2. a kind of elevator outer calling of rectilinear gesture identification according to claim 1, it is characterised in that：Its system flow
For：The gesture identification sensor (1) obtains gestures direction and is communicated with main control MCU (2), the gesture identification sensor (1)
Gestures direction is sent to main control MCU (2), the main control MCU (2) judges validity after receiving gesture, when main control MCU (2) are received
When judging effective after to gesture, calling signal is sent to elevator control panel (3), the elevator control panel (3) receives calling signal
After light green indicator light (4) prompt user's call success, will not be to elevator control after main control MCU (2) receives invalid gesture
Making sheet (3) sends calling signal, and it is invalid that main control MCU (2) lights yellow indicator lamp (5) prompt gesture.
3. a kind of elevator outer calling of rectilinear gesture identification according to claim 2, it is characterised in that：The calling signal
Effective gesture be the five fingers strut or merge.
4. a kind of elevator outer calling of rectilinear gesture identification according to claim 2, it is characterised in that：The calling signal
Effective gesture can also be stretch out a finger.
5. a kind of elevator outer calling of rectilinear gesture identification according to claim 2, it is characterised in that：The yellow instruction
Lamp (5) flickers when being arranged to light, and flicker frequency is three times per second.
6. a kind of elevator outer calling of rectilinear gesture identification according to claim 1, it is characterised in that：The gesture identification
Sensor (1) is connected on elevator outer calling, and multiple guiding lamps (6) are connected on elevator outer calling, and multiple guiding lamps (6) are equal
It is even to be arranged in gesture identification sensor (1) surrounding.
7. a kind of elevator outer calling of rectilinear gesture identification according to claim 6, it is characterised in that：The guiding lamp
(6) it is laser diode, and laser diode uses quantum-well diode laser.
8. a kind of elevator outer calling of rectilinear gesture identification according to claim 6, it is characterised in that：The gesture identification
The identification end of sensor (1) is parallel to ground, and the light of the guiding lamp (6) is equally parallel to ground.
9. a kind of elevator outer calling of rectilinear gesture identification according to claim 6, it is characterised in that：The elevator outer calling
On be connected with annular RGB LED lamp panels (7), and annular RGB LED lamp panels (7) are surrounded on the outside of gesture identification sensor (1), more
A guiding lamp (6) is uniformly embedded in annular RGB LED lamp panels (7) surface.
10. a kind of elevator outer calling of rectilinear gesture identification according to claim 9, it is characterised in that：The annular RGB
LED lamp panel (7) is set as the five fingers and stretchs out shape, and multiple guiding lamps (6) are arranged in annular RGB LED lamp panels in the five fingers formula of stretching out
(7) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432819.3A CN108639884A (en) | 2018-05-08 | 2018-05-08 | A kind of elevator outer calling of rectilinear gesture identification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810432819.3A CN108639884A (en) | 2018-05-08 | 2018-05-08 | A kind of elevator outer calling of rectilinear gesture identification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108639884A true CN108639884A (en) | 2018-10-12 |
Family
ID=63749292
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810432819.3A Pending CN108639884A (en) | 2018-05-08 | 2018-05-08 | A kind of elevator outer calling of rectilinear gesture identification |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319608A (en) * | 2018-12-05 | 2019-02-12 | 广东卓梅尼技术股份有限公司 | Gesture call method and system |
| CN112093603A (en) * | 2020-09-14 | 2020-12-18 | 中粮地产集团深圳物业管理有限公司 | Call disinfection device based on non-contact elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106458505A (en) * | 2014-05-28 | 2017-02-22 | 奥的斯电梯公司 | Touchless gesture recognition for elevator service |
| US20170313546A1 (en) * | 2016-04-28 | 2017-11-02 | ThyssenKrupp Elevator AG and ThyssenKrupp AG | Multimodal User Interface for Destination Call Request of Elevator Systems Using Route and Car Selection Methods |
| CN107758457A (en) * | 2016-08-19 | 2018-03-06 | 奥的斯电梯公司 | For triggering the intention assessment of speech recognition system |
-
2018
- 2018-05-08 CN CN201810432819.3A patent/CN108639884A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106458505A (en) * | 2014-05-28 | 2017-02-22 | 奥的斯电梯公司 | Touchless gesture recognition for elevator service |
| US20170313546A1 (en) * | 2016-04-28 | 2017-11-02 | ThyssenKrupp Elevator AG and ThyssenKrupp AG | Multimodal User Interface for Destination Call Request of Elevator Systems Using Route and Car Selection Methods |
| CN107758457A (en) * | 2016-08-19 | 2018-03-06 | 奥的斯电梯公司 | For triggering the intention assessment of speech recognition system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319608A (en) * | 2018-12-05 | 2019-02-12 | 广东卓梅尼技术股份有限公司 | Gesture call method and system |
| CN112093603A (en) * | 2020-09-14 | 2020-12-18 | 中粮地产集团深圳物业管理有限公司 | Call disinfection device based on non-contact elevator |
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Application publication date: 20181012 |