CN114384971A - Shell assembly and electronic device - Google Patents
Shell assembly and electronic device Download PDFInfo
- Publication number
- CN114384971A CN114384971A CN202011119483.9A CN202011119483A CN114384971A CN 114384971 A CN114384971 A CN 114384971A CN 202011119483 A CN202011119483 A CN 202011119483A CN 114384971 A CN114384971 A CN 114384971A
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- CN
- China
- Prior art keywords
- assembly
- housing
- magnets
- magnetic
- magnetic assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000009471 action Effects 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 abstract 10
- 230000004308 accommodation Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
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
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
-
- 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
- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
Abstract
The utility model provides a shell assembly, include a first casing and rotate and connect in a second casing of first casing, first casing includes an at least first magnetism group, the second casing includes an at least second magnetism group and a moving mechanism, moving mechanism connects in the second magnetism group, moving mechanism is used for driving the second magnetism group and removes to an actuation position or a repulsion position, when the second magnetism group is located actuation position, first magnetism group and second magnetism group attract each other, when the second magnetism group is located repulsion position, first magnetism group and second magnetism group repel each other. According to the shell assembly provided by the invention, the first shell and the second shell can be conveniently opened by a user by arranging the mutual repulsion of the first magnetic group and the second magnetic group; through setting up first magnetic unit and second magnetic unit inter attraction, can make things convenient for user to close first casing and second casing. The user only needs to push the movable mechanism by a single hand, and the first shell and the second shell can be opened and closed relatively.
Description
Technical Field
The invention relates to a housing assembly and an electronic device.
Background
Some electronic devices, such as notebook computers, typically include two pivotally connected housings. When the electronic device needs to be opened, a user needs to hold the two shells and rotate the shells in the direction away from each other; similarly, when the electronic device needs to be closed, the user needs to hold the two housings and rotate the housings in the direction toward each other. However, the opening and closing manner causes inconvenience to users, and particularly in some scenes, if a user can only vacate one hand, the opening and closing of the electronic device cannot be controlled through the manner.
Disclosure of Invention
The invention aims to provide a shell assembly which has the advantage of convenient opening and closing.
In addition, it is also necessary to provide an electronic device having the above housing assembly.
A shell assembly comprises a first shell and a second shell which is rotatably connected with the first shell, wherein the first shell comprises at least one first magnetic assembly, the second shell comprises at least one second magnetic assembly and a movable mechanism, the movable mechanism is connected with the second magnetic assembly, the movable mechanism is used for driving the second magnetic assembly to move to an attraction position or a repulsion position, when the second magnetic assembly is located at the attraction position, the first magnetic assembly and the second magnetic assembly attract each other, and when the second magnetic assembly is located at the repulsion position, the first magnetic assembly and the second magnetic assembly repel each other.
Further, the first magnetic group comprises a plurality of first magnets arranged in parallel, magnetic poles of the first magnets are arranged in a staggered mode, the second magnetic group comprises a plurality of second magnets arranged in parallel, magnetic poles of the second magnets are arranged in a staggered mode, when the second magnetic group is located at the attraction position, at least part of the first magnets correspond to at least part of the second magnets in position, the magnetic poles of each first magnet and the second magnet opposite to the first magnet are opposite, when the second magnetic group is located at the repulsion position, at least part of the first magnets correspond to at least part of the second magnets in position, and the magnetic poles of each first magnet and the second magnet opposite to the first magnet are the same.
Furthermore, the shell assembly further comprises a pivot mechanism, the first shell is rotatably connected to the second shell through the pivot mechanism, the first magnetic assembly is arranged on one side, away from the pivot mechanism, of the first shell, and the second magnetic assembly is arranged on one side, away from the pivot mechanism, of the second shell.
Furthermore, the first housing is provided with a first accommodating groove, the first magnetic assembly is accommodated in the first accommodating groove, the second housing is provided with a second accommodating groove, and the second magnetic assembly and the moving mechanism are movably accommodated in the second accommodating groove.
Further, the movable mechanism includes a movable rod, an elastic component and a sliding button, the second magnet is fixed in on the movable rod, the one end of elastic component support lean on in the inner wall of second storage tank, the other end of elastic component support hold in the movable rod, the elastic component is used for promoting the movable rod reply extremely the actuation position, sliding button connect in the movable rod, sliding button be used for under the exogenic action with the movable rod stir extremely the repulsion position.
Furthermore, the movable rod comprises a main body part, a first connecting part and a second connecting part, the first connecting part and the second connecting part are formed at one end of the main body part in a protruding mode, the elastic part comprises an expansion spring, and the first connecting part is inserted into the expansion spring.
Furthermore, the movable rod comprises a second connecting portion, the second connecting portion is convexly formed at one end of the main body portion, the second connecting portion and the first connecting portion are arranged side by side, a clamping groove is formed in the second connecting portion, the sliding button comprises a button portion and a clamping portion, the clamping portion is convexly formed in the button portion, and the clamping portion is detachably clamped in the clamping groove.
Further, a third accommodating groove is formed in the second shell, a through hole is formed in the bottom of the third accommodating groove and communicated with the second accommodating groove and the third accommodating groove, the button portion is movably accommodated in the third accommodating groove, and the buckling portion penetrates through the through hole and is clamped in the clamping groove.
Furthermore, a plurality of anti-slip strips are arranged on the button part.
An electronic device comprises a memory, a processor, a display and the shell assembly, wherein the display is connected with the first shell, and the memory and the processor are contained in the second shell.
According to the shell assembly provided by the invention, the first shell and the second shell can be conveniently opened by a user by arranging the mutual repulsion of the first magnetic group and the second magnetic group; through setting up first magnetic unit and second magnetic unit inter attraction, can make things convenient for the user to close first casing with the second casing. The user only needs to push the movable mechanism with one hand, and the relative opening and closing between the first shell and the second shell can be realized by means of the magnetic attraction force or the magnetic repulsion force between the first magnetic group and the second magnetic group.
Drawings
Fig. 1 is a schematic view of an electronic device according to an embodiment of the invention.
Fig. 2 is a schematic view of a movable mechanism and a second magnetic assembly according to an embodiment of the invention.
Fig. 3 is a schematic diagram of the second magnetic group of the housing assembly in the repulsive position P according to the embodiment of the present invention.
Fig. 4 is a schematic diagram of the second magnetic assembly of the housing assembly in the attraction position O according to the embodiment of the invention.
Description of the main elements
First magnetic group 11
The first accommodation groove 12
Second magnetic group 21
Latch 223b
Through-hole 241
Suction position O
Repelling position P
The following detailed description of the invention will be further described in conjunction with the above description of the drawings.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following by combining the drawings of the specific embodiment. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, 2, 3 and 4 together, the present invention provides a housing assembly 100, where the housing assembly 100 includes a first housing 10 and a second housing 20 rotatably connected to the first housing 10, the first housing 10 includes at least one first magnetic assembly 11, the second housing 20 includes at least one second magnetic assembly 21 and a movable mechanism 22, the movable mechanism 22 is connected to the second magnetic assembly 21, the movable mechanism 22 is configured to drive the second magnetic assembly 21 to move to an attraction position O or a repulsion position P, when the second magnetic assembly 21 is located at the attraction position O, the first magnetic assembly 11 and the second magnetic assembly 21 attract each other, and when the second magnetic assembly 21 is located at the repulsion position P, the first magnetic assembly 11 and the second magnetic assembly 21 repel each other.
Therefore, the first magnetic assembly 11 and the second magnetic assembly 21 are mutually repulsive, so that the user can conveniently open the first casing 10 and the second casing 20; by arranging the first magnetic assembly 11 and the second magnetic assembly to attract each other, a user can conveniently close the first casing 10 and the second casing 20. The user only needs to push the movable mechanism 22 with one hand, and the first housing 10 and the second housing 20 can be opened and closed relatively by means of the magnetic attraction or the magnetic repulsion between the first magnetic assembly 11 and the second magnetic assembly 21.
In this embodiment, the first magnetic assembly 11 includes a plurality of first magnets 111 arranged in parallel, the second magnetic assembly 21 includes a plurality of second magnets 211 arranged in parallel, at least a portion of the first magnets 111 corresponds to the second magnets 211, when the second magnetic assembly 21 is located at the attraction position O, the magnetic poles of the first magnets 111 and the second magnets 211 opposite to the first magnets 111 are opposite, and when the second magnetic assembly 21 is located at the repulsion position P, the magnetic poles of the first magnets 111 and the second magnets 211 opposite to the first magnets 111 are the same.
In this embodiment, the magnetic poles of the first magnets 111 of the first magnetic group 11 are arranged alternately, and the magnetic poles of the second magnets 211 of the second magnetic group 21 are arranged alternately.
In this embodiment, the first magnetic group 11 includes three first magnets 111 arranged side by side, and the second magnetic group 21 includes four second magnets 211 arranged side by side, in other embodiments of the present invention, the number of the first magnetic groups 11 is not limited to three, and the number of the second magnetic groups 21 is not limited to four.
In this embodiment, the housing assembly 100 further includes a pivot mechanism 30, the first housing 10 is rotatably connected to one side of the second housing 20 through the pivot mechanism 30, the first magnetic assembly 11 is disposed on one side of the first housing 10 opposite to the pivot mechanism 30, and the second magnetic assembly 21 is disposed on one side of the second housing 20 opposite to the pivot mechanism 30.
In this embodiment, the first casing 10 is provided with a first accommodating groove 12, the first magnetic assembly 11 is accommodated in the first accommodating groove 12, the second casing 20 is provided with a second accommodating groove 23, and the second magnetic assembly 21 and the moving mechanism 22 are movably accommodated in the second accommodating groove 23.
In this embodiment, the movable mechanism 22 includes a movable rod 221, an elastic member 222 and a sliding button 223, the second magnet 211 is fixed on the movable rod 221, one end of the elastic member 222 abuts against the inner wall of the second accommodating groove 23, the other end of the elastic member 222 abuts against the movable rod 221, the elastic member 222 is configured to push the movable rod 221 to return to the attraction position O, the sliding button 223 is connected to the movable rod 221, and the sliding button 223 is configured to facilitate a user to shift the movable rod 221 to the repulsion position P.
In this embodiment, the movable rod 221 includes a main body 221a, a first connection portion 221b and a second connection portion 221c, the first connection portion 221b and the second connection portion 221c are formed protruding from one end of the main body 221a, the elastic member 222 includes a telescopic spring, and the first connection portion 221b is inserted into the telescopic spring, so that the movable rod 221 and the telescopic spring are not biased. The second connecting portion 221c is provided with a slot 221d, the sliding button 223 includes a button portion 223a and a fastening portion 223b protruding from the button portion 223a, and the fastening portion 223b is detachably fastened in the slot 221 d.
In this embodiment, two second magnetic groups 21 are disposed on the main body 221a at a distance, each second magnetic group 21 includes four second magnets 211 disposed side by side, and the four second magnets 211 are connected to the main body 221a through an adhesive sheet 221 e.
In this embodiment, the second casing 20 is further provided with a third receiving groove 24, a through hole 241 is formed at the bottom of the third receiving groove 24, the through hole 241 is communicated with the second receiving groove 23 and the third receiving groove 24, the button portion 223a is movably received in the third receiving groove 24, and the fastening portion 223b passes through the through hole 241 and is fastened in the fastening groove 221 d.
In this embodiment, a plurality of anti-slip strips 223c are disposed on the button portion 223a, and the anti-slip strips 223c are used for enhancing the friction between the user and the button portion 223a, so as to avoid slipping.
The present invention provides an electronic device 200, wherein the electronic device 200 includes the housing assembly 100, a memory (not shown), at least one processor (not shown), and a display 201. The display 201 is connected to the first housing 10, and the memory and the processor are accommodated in the second housing 20.
The memory may be used for storing program codes and various data of the computer program and for realizing high-speed and automatic access to the program or data during the operation of the electronic device 200. The Memory may be a non-volatile computer-readable storage medium including Read-Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), an optical Read-Only Memory (CD-ROM) or other optical disk storage, a magnetic disk storage, a tape storage, or any other non-volatile computer-readable storage medium capable of carrying or storing data.
The processor comprises an integrated circuit. For example, the integrated circuit may be formed by a single packaged integrated circuit, or may be formed by a plurality of integrated circuits packaged with the same function or different functions, and include one or more Central Processing Units (CPUs), microprocessors, digital Processing chips, graphics processors, and combinations of various control chips. The at least one processor is a Control Unit (Control Unit) of the electronic apparatus 200, connects various components of the electronic apparatus 200 by using various interfaces and lines, and executes various functions of the electronic apparatus 200 and processes data by executing programs or modules or instructions stored in the memory and calling data stored in the memory.
The display screen 101 may be used to display various data. The display screen 33 may be a touch display screen or a non-touch display screen.
In addition, those skilled in the art should recognize that the foregoing embodiments are illustrative only, and not limiting, and that appropriate changes and modifications can be made without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A shell assembly comprises a first shell and a second shell which is rotatably connected with the first shell, and is characterized in that the first shell comprises at least one first magnetic assembly, the second shell comprises at least one second magnetic assembly and a movable mechanism, the movable mechanism is connected with the second magnetic assembly, the movable mechanism is used for driving the second magnetic assembly to move to an attraction position or a repulsion position, when the second magnetic assembly is positioned at the attraction position, the first magnetic assembly and the second magnetic assembly attract each other, and when the second magnetic assembly is positioned at the repulsion position, the first magnetic assembly and the second magnetic assembly repel each other.
2. The housing assembly of claim 1, wherein the first magnet assembly includes a plurality of first magnets arranged in parallel, a plurality of poles of the first magnets are staggered, the second magnet assembly includes a plurality of second magnets arranged in parallel, poles of the second magnets are staggered, at least a portion of the first magnets correspond to at least a portion of the second magnets when the second magnet assembly is in the attraction position, poles of each of the first magnets and the second magnets opposite the first magnets are opposite, and at least a portion of the first magnets correspond to at least a portion of the second magnets when the second magnet assembly is in the repulsion position, poles of each of the first magnets and the second magnets opposite the first magnets are the same.
3. The housing assembly of claim 1, further comprising a pivot mechanism, wherein the first housing is rotatably connected to the second housing through the pivot mechanism, the first magnetic assembly is disposed on a side of the first housing away from the pivot mechanism, and the second magnetic assembly is disposed on a side of the second housing away from the pivot mechanism.
4. The housing assembly of claim 1, wherein the first housing defines a first receiving slot, the first magnetic assembly is received in the first receiving slot, the second housing defines a second receiving slot, and the second magnetic assembly and the movable mechanism are movably received in the second receiving slot.
5. The housing assembly according to claim 4, wherein the movable mechanism includes a movable rod, an elastic member and a sliding button, the second magnet is fixed on the movable rod, one end of the elastic member abuts against the inner wall of the second receiving groove, the other end of the elastic member abuts against the movable rod, the elastic member is used for pushing the movable rod to return to the attraction position, the sliding button is connected to the movable rod, and the sliding button is used for shifting the movable rod to the repulsion position under the action of an external force.
6. The housing assembly of claim 5, wherein the movable rod includes a main body, a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion are formed to protrude from one end of the main body, and the elastic member includes a telescopic spring, and the first connecting portion is inserted into the telescopic spring.
7. The housing assembly of claim 6, wherein the movable rod includes a second connecting portion, the second connecting portion is formed protruding from an end of the main body, the second connecting portion is disposed side by side with the first connecting portion, the second connecting portion defines a slot, the sliding button includes a button portion and a locking portion protruding from the button portion, and the locking portion is detachably locked in the slot.
8. The housing assembly of claim 7, wherein the second housing further comprises a third receiving groove, a through hole is defined in a bottom of the third receiving groove, the through hole communicates the second receiving groove and the third receiving groove, the button portion is movably received in the third receiving groove, and the fastening portion passes through the through hole and is fastened in the fastening groove.
9. The housing assembly of claim 8, wherein a plurality of cleats are disposed on the button portion.
10. An electronic device, comprising a memory, a processor, a display and the housing assembly as claimed in any one of claims 1 to 9, wherein the display is connected to the first housing, and the memory and the processor are accommodated in the second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119483.9A CN114384971A (en) | 2020-10-19 | 2020-10-19 | Shell assembly and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119483.9A CN114384971A (en) | 2020-10-19 | 2020-10-19 | Shell assembly and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114384971A true CN114384971A (en) | 2022-04-22 |
Family
ID=81192895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011119483.9A Pending CN114384971A (en) | 2020-10-19 | 2020-10-19 | Shell assembly and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114384971A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302006A (en) * | 1999-12-29 | 2001-07-04 | 仁宝电脑工业股份有限公司 | Magnetic open and close device for portable computer |
| US20060006674A1 (en) * | 2004-06-25 | 2006-01-12 | Asustek Computer Inc. | Electronic apparatus and magnetic lock device thereof |
| CN2760726Y (en) * | 2004-12-06 | 2006-02-22 | 金宝电子工业股份有限公司 | Magnetic switch of folding electronic installation and folding electronic installation |
| US20070138806A1 (en) * | 2005-12-13 | 2007-06-21 | Apple Computer, Inc. | Magnetic latching mechanism |
| CN203191898U (en) * | 2013-04-17 | 2013-09-11 | 何丽银 | Device with opening structure and opening structure thereof |
| CN104665174A (en) * | 2013-11-30 | 2015-06-03 | 富泰华工业（深圳）有限公司 | Electronic device protective casing |
| CN205193667U (en) * | 2015-11-18 | 2016-04-27 | 联想(北京)有限公司 | Electronic equipment |
| CN105676954A (en) * | 2015-12-29 | 2016-06-15 | 联想(北京)有限公司 | Electronic device |
| CN109803503A (en) * | 2018-12-29 | 2019-05-24 | 维沃移动通信有限公司 | Terminal device |
| US20190164675A1 (en) * | 2017-11-28 | 2019-05-30 | Microsoft Technology Licensing, Llc | Magnetic fastener and hinged device using same |
| CN111131568A (en) * | 2019-12-23 | 2020-05-08 | 华为技术有限公司 | Electronic device |
| CN111200677A (en) * | 2018-11-16 | 2020-05-26 | 华为技术有限公司 | Folding terminal device and method for controlling opening and closing of housing |
| CN111445802A (en) * | 2020-05-12 | 2020-07-24 | Oppo广东移动通信有限公司 | Electronic device |
-
2020
- 2020-10-19 CN CN202011119483.9A patent/CN114384971A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302006A (en) * | 1999-12-29 | 2001-07-04 | 仁宝电脑工业股份有限公司 | Magnetic open and close device for portable computer |
| US20060006674A1 (en) * | 2004-06-25 | 2006-01-12 | Asustek Computer Inc. | Electronic apparatus and magnetic lock device thereof |
| CN2760726Y (en) * | 2004-12-06 | 2006-02-22 | 金宝电子工业股份有限公司 | Magnetic switch of folding electronic installation and folding electronic installation |
| US20070138806A1 (en) * | 2005-12-13 | 2007-06-21 | Apple Computer, Inc. | Magnetic latching mechanism |
| CN203191898U (en) * | 2013-04-17 | 2013-09-11 | 何丽银 | Device with opening structure and opening structure thereof |
| CN104665174A (en) * | 2013-11-30 | 2015-06-03 | 富泰华工业（深圳）有限公司 | Electronic device protective casing |
| CN205193667U (en) * | 2015-11-18 | 2016-04-27 | 联想(北京)有限公司 | Electronic equipment |
| CN105676954A (en) * | 2015-12-29 | 2016-06-15 | 联想(北京)有限公司 | Electronic device |
| US20190164675A1 (en) * | 2017-11-28 | 2019-05-30 | Microsoft Technology Licensing, Llc | Magnetic fastener and hinged device using same |
| US10672548B2 (en) * | 2017-11-28 | 2020-06-02 | Microsoft Technology Licensing, Llc | Magnetic fastener and hinged device using same |
| CN111200677A (en) * | 2018-11-16 | 2020-05-26 | 华为技术有限公司 | Folding terminal device and method for controlling opening and closing of housing |
| CN109803503A (en) * | 2018-12-29 | 2019-05-24 | 维沃移动通信有限公司 | Terminal device |
| CN111131568A (en) * | 2019-12-23 | 2020-05-08 | 华为技术有限公司 | Electronic device |
| CN111445802A (en) * | 2020-05-12 | 2020-07-24 | Oppo广东移动通信有限公司 | Electronic device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220422 |