CN109189157A - A kind of equipment - Google Patents
A kind of equipment Download PDFInfo
- Publication number
- CN109189157A CN109189157A CN201811142660.8A CN201811142660A CN109189157A CN 109189157 A CN109189157 A CN 109189157A CN 201811142660 A CN201811142660 A CN 201811142660A CN 109189157 A CN109189157 A CN 109189157A
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- Prior art keywords
- signal
- equipment
- display area
- target object
- detection signal
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- 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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- 238000001514 detection method Methods 0.000 claims abstract description 55
- 241000406668 Loxodonta cyclotis Species 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229920001621 AMOLED Polymers 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1686—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being an integrated camera
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a kind of equipment, including display module and functional module group, the functional module group can emit detection signal to target object, and the detection signal at least partly reflected by the target object is received through the display module, wherein, the detection signal is modulated signal.The element of partial function mould group is arranged in display area present device, can reduce the area of non-display area, so that equipment seems more beautiful, better user experience.
Description
Technical field
The present invention relates to image sensing technical field more particularly to a kind of equipment of better user experience.
Background technique
As technological progress and people's living standard improve, with mobile phone, tablet computer, smartwatch etc. is the equipment of representative
Gradually at indispensable part for people's lives.Currently, equipment has frivolous, large-size screen monitors development trends.It is existing to set
A part of non-display area need to be occupied for due to elements such as front cameras, so that occur having on the market being commonly called as " fringe screen "
Equipment.This non-display area design affects the beauty of equipment to a certain degree.And gradually with functions such as recognitions of face
Prevalence, corresponding Object identifying element are also required to occupy a part of non-display area in apparatus front panel.However, compared with multicomponent
Larger portion non-display area is occupied, so that existing equipment is not beautiful enough from the user's point of view, user experience is poor.
Summary of the invention
The purpose of the present invention is to provide a kind of equipment of better user experience.
One aspect of the present invention discloses a kind of equipment, including display module and functional module group, the functional module group energy
Enough transmitting detection signals receive the inspection at least partly reflected by the target object through the display module to target object
Survey signal, wherein the detection signal is modulated signal.
In some embodiments, the detection signal is pulse-modulated signal or modulated continuous wave signal.
In some embodiments, the equipment can obtain the depth information of target object by the detection signal,
It can be used for the 3D information identification of target object.
In some embodiments, the functional module group is the depth information that target object is obtained using TOF mode.
In some embodiments, the equipment can obtain the depth information of target object according to the detection signal,
And then draw out the 3D figure of target object.
In some embodiments, the functional module group is used to emit the face for detecting signal to target object, and penetrates
The display module receives the reflected detection signal of face at least partly by the target object, and the equipment is according to institute
The depth information of target object face can be obtained by stating reflected detection signal, for face recognition or to draw facial
3D figure.
In some embodiments, the functional module group includes signal projector and signal receiver, wherein the signal
For emitting the detection signal to target object, the signal receiver is used to receive through display module by target transmitter
The reflected detection signal of object；It defines the equipment front and shows that the region of picture is display area, other regions are then
Non-display area；Wherein, the signal projector and the equal face display area setting of signal receiver；Or, the signal transmitting
Device setting is in non-display area, the setting of signal receiver face display area；Or, signal projector face viewing area
Non-display area is arranged in domain setting, the signal receiver.
In some embodiments, the equipment further comprises front camera, and setting is used in the non-display area
In shooting either statically or dynamically image.
In some embodiments, when the signal projector is arranged in non-display area, the signal receiver face
When display area is arranged, the signal projector and the neighbouring setting of the front camera.
In some embodiments, the signal receiver includes sensor and camera lens, is reflected back by the target object
The light come is irradiated to the camera lens and is converged on the sensor.
In some embodiments, distance is 1mm-200mm between the signal projector and the signal receiver.
Compared to the prior art, signal receiver is corresponded to display area setting by present device, can be reduced non-display
The area in region, so that equipment seems more beautiful, better user experience.
Detailed description of the invention
Fig. 1-Fig. 4 is the schematic diagram of one embodiment of present device；
Fig. 5 is the schematic diagram of another embodiment of present device；
Fig. 6 is the schematic diagram of another embodiment of present device；
Fig. 7 is the schematic diagram of another embodiment of present device；
Fig. 8 is the schematic diagram of another embodiment of present device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that 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 shall fall within the protection scope of the present invention.
Please refer to Fig. 1 and Fig. 2, in one embodiment of the present of invention, equipment 10 includes main body 11, is at least partially disposed in institute
State the display module 12 and functional module group 13 in main body 11.The display module 12 can be used for showing picture or receive user's operation
Instruction.The functional module group 13 can be used for realizing Object identifying function.The functional module group 13 can emit detection signal outside
On the target object on boundary, and the detection at least partly reflected by the target object is received through the display module 12 and is believed
Number.
In the present embodiment, the equipment 10 can obtain three-dimensional (3D) depth information of object by the detection signal,
It can be used for the 3D information identification of object, such as 3D recognition of face or 3D object identification.The present invention other or change embodiment in, if
It is standby to obtain the 2D information of object by detection signal, and identified.In the present embodiment, the functional module group 13 may be used also
It is shot for tableaux or dynamic video.
The display module 12 includes the display screen positioned at 10 first area of equipment, and the functional module group 13 includes position
In the front camera 14 and signal projector 15 of 10 second area of equipment.The first area and second area constitute
The front of the equipment 10, the front can be used for user and read and operate.The functional module group 13 further includes being located at described the
The signal receiver 16 in one region.On the transmitting of the signal projector 15 detection signal to target object, such as face.The letter
Number receiver 16 receives the detection signal at least partly reflected from target object.In the present embodiment, the first area is described
Region of the front of main body 11 for display, that is, correspond to the region of display screen, can be described as " display area "；The second area is
11 front of main body can be described as " non-display area " except the part of the first area.In the present embodiment, secondth area
Domain is at least partially disposed at the positive top center of the main body 11.The front camera 14 can be used for tableaux or dynamic vision
Frequency is shot.The signal projector 15 can be arranged parallel with the front camera 14, the such as, but not limited to described signal hair
Emitter 15 is located at 14 top of front camera or lower section or left or right.
As shown in Fig. 2, the detection signal is emitted on face from the signal projector 15, is reflected and passed through by face
The display module 12 reaches the signal receiver 16 and is received by the signal receiver 16.
In the present embodiment, the signal projector 15 is infrared transmitter, and the signal receiver 16 is that infrared light connects
Receive device.The detection signal is infrared signal, such as the infrared light of 850nm or 940nm wave band.The display module 12 has
Certain light transmittance can be received after display module 12 described in infrared light, identification by the signal receiver 16.
Preferably, the detection signal is, for example, pulse-modulated signal or modulated continuous wave signal.The detection signal
It can be not limited to the aforementioned pulse or modulated continuous wave signal, can also be the modulated signal of other suitable waveforms.It is described
Believed between signal projector 15 and signal receiver 16 by the depth that TOF (time of flight) mode obtains target object
Breath can be used for the 3D information identification of target object, especially living things feature recognition, such as recognition of face, iris recognition etc..
The present invention other or change embodiment in, the detection signal can also be electromagnetic wave signal, sound wave or ultrasonic wave
Signal etc..
The present invention other or change embodiment in, the detection signal includes but is not limited to pattern beam.The pattern
Light beam is, for example, 3D structure light.The pattern beam that the functional module group is launched is for example in irregular dot matrix, grid type, striped
The patterns such as formula or coding type.
The 3D legend of the target object as but do not limit to and be used for identification, be specifically for example used for 3D recognition of face
Or 3D object identification.In the present invention other or change embodiment, equipment for example can also obtain target pair by detection signal
The 2D information of elephant, and combine the 3D figure of 3D depth information export target object.
When the 2D information by detection signal to obtain target object, the detection signal is, for example, floodlight.
Certainly, equipment can not also send out pattern beam, and only emit floodlight, by binocular or more purpose image-forming principles come
Realize that 3D rendering is drawn.
The pattern beam and the floodlight are such as, but not limited to be infrared light.When work, the functional module group 13 can
With the infrared floodlight of time division emission and infrared structure light to target object.
In the present embodiment, the signal receiver 16 is arranged in the main body 11, and the one of the neighbouring display module 12
Side setting.The signal receiver 16 is for example close to 12 bottom surface of the display module setting.The signal projector 15 and preposition
Camera 14 is arranged in the main body 11.Certainly, ground is changed, the signal receiver 16 can also with the display module 12
Interval setting, detection signal may pass through the display module 12, and to be incident on the signal receiver 16 also possible.
The display module 12 includes substrate and the pixel electrode being disposed on the substrate, and the setting of signal receiver 16 exists
Below the substrate of the display module 12.
In the present embodiment, the equipment 10 substantially has cubic shaped.The display screen of the display module 12 is to touch
Control display screen, OLED screen, AMOLED screen etc..
In the present embodiment, the signal projector 15 may include VCSEL (Vertical Cavity Surface
Emitting Laser) or LED.
In the present embodiment, the detection signal can be 3d space structure light or 3D time structure light (such as using TOF skill
Art) signal.The present invention other or change embodiment in, the functional module group 13 can also include loudspeaker, microphone, environment light
Sensor, floodlight transmitter etc..The equipment 10 can be smart phone, tablet computer or smartwatch etc..
Referring to Fig. 3, the signal receiver 16 includes sensor 161 and camera lens 162.Infrared irradiation is to the camera lens
It 162 and is converged on the sensor 161.Referring to Fig. 4, in the present embodiment, the signal projector 15 and the signal
Distance is D, size 1mm-200mm between receiver 16.
In other embodiments of the invention, signal projector and signal receiver can be separately positioned on the first area and
The different location in two regions, such as signal projector can be set above or below front camera, also can be set preceding
It sets on the left of camera or right side, also or both the edge of relative device is arranged at an angle.Signal receiver can be set
In first area any position.First area and the position of second area can also have different settings, such as second area is extremely
The positive any position of main body can be partially located at, the second area is the front except the first area
Part.
Ground is changed, in other embodiments, the front camera 14 can also be separated with the signal projector 15
The different location of non-display area is set, spacing can also be larger, for example, signal projector 15 is located at a certain corner, and it is preposition
Camera 14 is located at screen upper end center position.
Referring to Fig. 5, the equipment 20 of another embodiment of the present invention includes main body 21, the display being arranged in the main body 21
Mould group 22 and functional module group 23.The display module 22 can be used for showing picture or receive user operation instruction.The function mould
Group 23 can be used for realizing Object identifying function.The functional module group 23 can emit on detection signal to extraneous target object,
And the detection signal at least partly reflected by the target object is received through the display module 22.
The display module 22 includes the display screen that the positive first area of the equipment 20 is arranged in, the functional module group
13 include the front camera 24 and signal projector 25 that the positive second area of the equipment 20 is arranged in.The functional module group
23 further include the signal receiver 26 being arranged in the display module 22.The transmitting of signal projector 25 detects signal to mesh
It marks on object, such as face.The signal receiver 26 receives the detection signal at least partly reflected from target object.The inspection
It surveys signal to be emitted on face from the signal projector 25, is reflected by face and passed through the display module 22 and reach the letter
Number receiver 26 is simultaneously received by the signal receiver 26.In the present embodiment, the signal receiver 26 is arranged in the display
Mould group 22 is adjacent to the side of the main body 21.The signal receiver 26 is close to 22 bottom surface of the display module setting.
Referring to Fig. 6, equipment 30 includes display module 32 and functional module group 33, described in another embodiment of the present invention
Display module 32 occupies the positive at least partly display area of the equipment 30, and the functional module group 33 occupies the equipment 30
Positive at least partly non-display area, the non-display area is at least partially situated at the positive lower part of the equipment 30
It is intermediate.
In other embodiments of the invention, the non-display area can also be set as needed the equipment it is positive its
His position, such as the frontal left of equipment is set, right side or centre etc..
In the present embodiment, the equipment 30 can be smart phone, tablet computer, smartwatch, augmented reality/virtual existing
Real (AR/VR) device, autonomous driving vehicle or intelligent robot etc..
Referring to Fig. 7, equipment includes signal receiver 410 in another embodiment of the present invention, the signal receiver 410
Detection signal is received through an element 420.The equipment further includes signal projector 430, and the detection signal is by the signal
Transmitter 430 is emitted on target object and reflects, and then penetrates the element and is received by the signal receiver.This
In embodiment, the detection signal includes the structure light and/or floodlight of infrared wavelength.
The detection signal can be used to identify characteristics of objects, such as the detection signal can be 3D structure light, can be used
To identify the three-dimensional structural feature of face or other objects.The element is the element that can penetrate infrared ray, is a kind of particularly
The display screen penetrated for infrared light.In the present embodiment, the display screen is OLED or AMOLED display screen or Mini-LED
Or Micro-LED display screen.The signal projector 430 may include VCSEL or LED.In some other embodiment, the inspection
Surveying signal can be infrared floodlight, can be used for detected target object two dimension or three-dimensional structural feature.
Compared to the prior art, present device is by emitting detection signal in non-display area and in display area part
The detection signal for receiving object reflection, to realize Object identifying function, such as recognition of face etc..Present device is by part function
The element of energy mould group is arranged in display area, can reduce the area of non-display area, so that equipment seems more beautiful, uses
Family experience is preferable.
In addition to equipment described in the respective embodiments described above, this application involves 3D detection technology be also applicable in it is other suitable
In the equipment of type, such as but be not limited to smart home, vehicle electronics product, financial terminal, robot etc..
In addition, ground is changed, in some embodiments, what signal projector was also possible to be omitted, signal receiver
The detection signal of characteristics of objects for identification is received through an element.For example, signal receiver reception environment light is also possible.
The element is, for example, the display screen of energy light-transmitting line, such as OLED display screen or Mini-LED or Micro-LED display screen.
Further, the signal projector of the respective embodiments described above be also can be similarly disposed at display area, such as
The back side or inside of display screen are set.
Referring to Fig. 8, equipment 50 includes display screen 52, front camera 53, signal transmitting in another embodiment of the present invention
Device 55 and signal receiver 56.The signal projector 55 and the signal receiver 56 are arranged in the equipment 50.This reality
It applies in example, the signal projector 55 and the signal receiver 56 are arranged at 52 back side of display screen, are close to the display
Screen 52 or the interval display screen 52 are arranged.In other embodiments, signal projector 55 and the setting of signal receiver 56 are aobvious
Inside display screen 52.
The equipment 50 includes the front read and operated for user, and the display screen 52 occupies the positive display
Region, the front are non-display area except the part outside the display area.The front camera 53 is located at described set
Standby 50 positive non-display area.
The display screen 52 can be used for showing that image frame, the front camera 53 can receive external visual light imaging.
The signal projector 55 can be used for through the display screen 52 transmitting detection signal, and the signal receiver 56 can be used for penetrating
The display screen 52 receives the detection signal of target object reflection.By identifying the detection signal received, the equipment 50 can
To obtain the three-dimensional depth information of target object, and then realizes and the 3D of target object is detected and/or identified.
In the present invention other or change embodiment, the signal projector 55 or signal receiver 56 can also have as follows
Setting: the signal projector 55 and signal receiver 56 are located at the non-display area；The signal projector 55 is located at non-
Display area, the signal receiver 56 are located at display area；The signal projector 55 is located at display area, and the signal connects
It receives device 56 and is located at non-display area.
" length " that is likely to occur in description of the invention, " width ", "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship, be merely for convenience of description the embodiment of the present invention and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Term used in claims, which should not be construed as to invent, is limited to this explanation
Specific embodiment disclosed in book.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (11)
1. a kind of equipment, including display module and functional module group, the functional module group can emit detection signal to target object,
And the detection signal at least partly reflected by the target object is received through the display module, wherein the detection signal
For modulated signal.
2. equipment according to claim 1, which is characterized in that the detection signal is pulse-modulated signal or continuous wave tune
Signal processed.
3. equipment according to claim 1, which is characterized in that the equipment can obtain target by the detection signal
The depth information of object can be used for the 3D information identification of target object.
4. equipment according to claim 3, which is characterized in that the functional module group is to obtain target using TOF mode
The depth information of object.
5. equipment according to claim 1, which is characterized in that the equipment can obtain target according to the detection signal
The depth information of object, and then draw out the 3D figure of target object.
6. equipment according to claim 1, which is characterized in that the functional module group is for emitting detection signal to target pair
The face of elephant, and receive through the display module and at least partly believed by the reflected detection of face of the target object
Number, the equipment can obtain the depth information of target object face according to the reflected detection signal, to be used for face
Portion's identification or the 3D figure for drawing face.
7. equipment described in any one of -6 according to claim 1, which is characterized in that the functional module group includes signal transmitting
Device and signal receiver, wherein the signal projector is for emitting the detection signal to target object, the signal is received
Device is used to receive through display module by the reflected detection signal of target object；It defines the equipment front and shows picture
Region is display area, and other regions are then non-display area；Wherein, the signal projector and the equal face of signal receiver are aobvious
Show that region is arranged；Or, the signal projector setting is in non-display area, the setting of signal receiver face display area；
Or, signal projector face display area is arranged, non-display area is arranged in the signal receiver.
8. equipment according to claim 7, which is characterized in that the equipment further comprises front camera, and setting exists
The non-display area, for shooting either statically or dynamically image.
9. equipment according to claim 8, which is characterized in that when the signal projector is arranged in non-display area, institute
When stating the setting of signal receiver face display area, the signal projector and the neighbouring setting of the front camera.
10. equipment according to claim 7, which is characterized in that the signal receiver includes sensor and camera lens, by institute
The reflected light of target object is stated to be irradiated to the camera lens and be converged on the sensor.
11. equipment according to claim 7, which is characterized in that between the signal projector and the signal receiver
Distance is 1mm-200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142660.8A CN109189157A (en) | 2018-09-28 | 2018-09-28 | A kind of equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811142660.8A CN109189157A (en) | 2018-09-28 | 2018-09-28 | A kind of equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109189157A true CN109189157A (en) | 2019-01-11 |
Family
ID=64906854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811142660.8A Withdrawn CN109189157A (en) | 2018-09-28 | 2018-09-28 | A kind of equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109189157A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110457885A (en) * | 2019-08-08 | 2019-11-15 | 维沃移动通信有限公司 | A kind of operating method and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107368730A (en) * | 2017-07-31 | 2017-11-21 | 广东欧珀移动通信有限公司 | Unlock verification method and device |
| CN107888726A (en) * | 2017-11-22 | 2018-04-06 | 广东欧珀移动通信有限公司 | Display screen component and electronic equipment |
| CN108551503A (en) * | 2018-04-25 | 2018-09-18 | 北京小米移动软件有限公司 | A kind of optical device module and mobile terminal |
-
2018
- 2018-09-28 CN CN201811142660.8A patent/CN109189157A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107368730A (en) * | 2017-07-31 | 2017-11-21 | 广东欧珀移动通信有限公司 | Unlock verification method and device |
| CN107888726A (en) * | 2017-11-22 | 2018-04-06 | 广东欧珀移动通信有限公司 | Display screen component and electronic equipment |
| CN108551503A (en) * | 2018-04-25 | 2018-09-18 | 北京小米移动软件有限公司 | A kind of optical device module and mobile terminal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110457885A (en) * | 2019-08-08 | 2019-11-15 | 维沃移动通信有限公司 | A kind of operating method and electronic equipment |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190111 |
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| WW01 | Invention patent application withdrawn after publication |