CN112162169A - A wireless charger test fixture - Google Patents
A wireless charger test fixture Download PDFInfo
- Publication number
- CN112162169A CN112162169A CN202011105561.XA CN202011105561A CN112162169A CN 112162169 A CN112162169 A CN 112162169A CN 202011105561 A CN202011105561 A CN 202011105561A CN 112162169 A CN112162169 A CN 112162169A
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- wireless charger
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- 238000012360 testing method Methods 0.000 title claims abstract description 216
- 230000006698 induction Effects 0.000 claims abstract description 19
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- 238000009434 installation Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000011800 void material Substances 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 14
- 230000008093 supporting effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 230000001976 improved effect Effects 0.000 description 10
- 230000006872 improvement Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of wireless charging test fixtures, in particular to a wireless charger test fixture which comprises a base, a test placing component, a test connecting component and a test output component, wherein the test placing component is installed on the base; the test connecting assembly is connected with the test output assembly; the test placing assembly comprises a lifting module, a jig seat and a wireless induction seat, wherein the jig seat is arranged on the lifting module, the jig seat is provided with a plurality of groups of placing grooves, and the placing grooves are used for placing the pieces to be tested; the test connection assembly comprises a support seat and a plurality of groups of test seats arranged on the support seat, and the test seats are connected with the to-be-tested parts; the test output assembly is provided with a connecting plate, and the connecting plate is provided with a plurality of connecting ports connected with the test seat; the invention has convenient test and reliable structure and prevents interference in the test process.
Description
Technical Field
The invention relates to the technical field of wireless charger test fixtures, in particular to a wireless charger test fixture.
Background
The wireless charger is magically used for transmitting electric energy by using a magnetic field generated between coils, an inductive coupling technology can be a bridge for connecting a charging base station and equipment, and most of the current chargers, such as an iPod and an iPhone, charge a built-in battery of the equipment in a mode of directly contacting a metal wire. However, the conventional wireless charger detects the aging performance and the service life of the internal circuit by manual means, and cannot judge the aging performance.
At present, good product tests of products of wireless chargers are all in a single test mode, only one product can be tested at a time, starting and load reaction are needed in each product test, long waiting time is needed, and efficiency is low; in the prior art, the load instrument is used for testing the wireless charger, and data on the load instrument needs to be visually checked manually during each test, so that visual fatigue is easily caused, and data is mistakenly read, so that defective products flow into the next procedure.
Disclosure of Invention
In order to solve the above problems, the present invention provides a wireless charger test fixture which is convenient for testing, has a reliable structure, and prevents interference during the testing process.
The technical scheme adopted by the invention is as follows: a wireless charger test fixture comprises a base, a test placing component arranged on the base, a test connecting component arranged on the base and positioned on one side of the test placing component, and a test output component arranged on the base; the test connecting assembly is connected with the test output assembly;
the test placement assembly comprises a lifting module, a jig seat and a wireless induction seat, wherein the jig seat is installed on the lifting module, the jig seat is provided with a plurality of groups of placement grooves, and the placement grooves are used for placing the pieces to be tested;
the test connection assembly comprises a support seat and a plurality of groups of test seats arranged on the support seat, and the test seats are connected with the to-be-tested piece;
the test output assembly is provided with a connecting plate, and the connecting plate is provided with a plurality of connecting ports connected with the test seat.
The lifting module comprises a plurality of groups of lifting guide rods and a lifting plate capable of being driven along the lifting guide rods, and the lifting guide rods are provided with resetting elements for resetting the lifting plate;
the further improvement of the scheme is that the base is arranged below the lifting module and provided with a limiting block.
The further improvement of the scheme is that the lifting guide rod comprises a first guide rod and a second guide rod, and the first guide rod is connected to two sides of the lifting plate;
the further improvement of the scheme is that the reset element is a spring and is sleeved on the outer diameter of the first guide rod;
the jig seat is further improved by being provided with a plurality of clearance gaps which are communicated to the placing groove.
The wireless induction seat comprises an adapter plate connected with the lifting plate, a plurality of groups of PCB plates arranged on the adapter plate, a connecting column arranged on the adapter plate and positioned on one side of the PCB plates, and a protection plate arranged on the connecting column and covered by the PCB plates.
The PCB is connected with a wireless induction plate, the lifting plate is provided with a mounting groove, and the wireless induction plate is mounted in the mounting groove;
in a further improvement of the above scheme, the PCB includes a first board and a second board, the first board is mounted on the isolation seat, and the second board is mounted on the isolation seat.
The scheme is further improved in that the supporting seat is provided with a plurality of clearance grooves, the top ends of the clearance grooves are provided with mounting grooves, and the test seat is mounted in the mounting grooves;
the technical scheme is further improved in that the supporting seat is located on one side of the test placing assembly and is connected with a lead frame, the lead frame is provided with a plurality of threading grooves, and notches are formed in the threading grooves and are communicated to the outside of the lead frame.
The further improvement of the scheme is that the test seat comprises a test plate, a test contact arranged on the surface of the test plate, and an input joint and an output joint arranged on the test plate, wherein the input joint is connected with a to-be-tested part.
The test output assembly comprises a plug board seat, reinforcing ribs arranged on two sides of the plug board seat and a plug connector arranged on the plug board seat, and the plug connector is connected with the connecting plate.
The further improvement of the scheme is that the insertion plate seat is provided with insertion guide shafts at two sides of the insertion joint, the insertion guide shafts are provided with guide holes, and the opening of each guide hole is provided with a chamfer.
The invention has the beneficial effects that:
compared with the traditional wireless charger fixture, the portable testing fixture is adopted, the charger is fixedly placed and used through the testing placement assembly, the testing connection assembly is arranged and used for being connected with the charger to be convenient for being connected with testing equipment to carry out testing, the testing output assembly is also arranged, the testing connection assembly is connected with the testing output assembly through the testing output assembly to output connection transmission, a testing result is output in the testing power-on process, automatic transportation, testing and use are achieved, testing is convenient, and the structure is reliable. Specifically, a base, a test placing component arranged on the base, a test connecting component arranged on the base and positioned at one side of the test placing component, and a test output component arranged on the base are arranged; the test connecting assembly is connected with the test output assembly; overall structure is simple, connects in test coupling assembling through the test output subassembly and transmits test process to the test output subassembly, and the test output subassembly will connect test equipment and analyze the test result.
Specifically, the test placing component comprises a lifting module, a jig seat and a wireless induction seat, wherein the jig seat and the wireless induction seat are installed on the lifting module, the jig seat is provided with a plurality of groups of placing grooves, the placing grooves are used for placing the piece to be tested, the jig seat and the wireless induction seat can be lifted under the action of the lifting module, the lifting module can be lowered through a driving structure in the test process, the wireless induction seat, the piece to be tested and the test connection assembly are kept away from each other, the interference phenomenon is prevented from occurring in the test process, and the test effect and the stability are improved.
The test connecting assembly comprises a supporting seat and a plurality of groups of test seats arranged on the supporting seat, and the test seats are connected with the to-be-tested parts; the supporting seat is used for supporting the test seat, the number of the test seats is the same as that of the pieces to be tested, so that one-to-one matching test is realized, and the test effect is good.
The test output assembly is provided with a connecting plate, the connecting plate set up a plurality of connection ports with the test seat is connected, sets up connection port and is used for connecting the test seat to connect the transmission data, derive the test procedure transmission, so that guarantee the stability and the effect of test.
Drawings
FIG. 1 is a schematic perspective view of a wireless charger test fixture according to the present invention;
fig. 2 is a schematic perspective view of the wireless charger test fixture in fig. 1 from another view;
fig. 3 is a schematic perspective view of a test placement assembly of the wireless charger test fixture in fig. 1;
fig. 4 is a schematic perspective view of another view angle of the test placement assembly of the wireless charger test fixture in fig. 1;
FIG. 5 is a schematic perspective view of the wireless sensor socket of the test placement assembly of FIG. 2;
FIG. 6 is an exploded view of the wireless docking station of the test placement assembly of FIG. 2;
fig. 7 is a schematic perspective view of a test connection assembly of the test fixture of the wireless charger in fig. 1;
fig. 8 is a schematic perspective view of another view angle of the testing connection assembly of the testing fixture of the wireless charger in fig. 1;
fig. 9 is a schematic perspective view of a test output assembly of the wireless charger test fixture in fig. 1.
Description of reference numerals: the test device comprises a base 100, a conveying wear-resistant piece 110, a limiting block 120, a test placing assembly 200, a lifting module 210, a lifting guide rod 211, a first guide rod 211a, a second guide rod 211b, a lifting plate 212, a reset element 213, a jig seat 220, a placing groove 221, a clearance gap 222, a wireless induction seat 230, an adapter plate 231, a PCB 232, a first plate 232a, a second plate 232b, a separation seat 232c, a connecting column 233, a protection plate 234, a wireless induction plate 235, a test connecting assembly 300, a supporting seat 310, a clearance groove 311, a mounting groove 312, a test seat 320, a test plate 321, a test contact 322, an input connector 323, an output connector 324, a test output assembly 400, a connecting plate 410, a connecting port 420, a plug plate seat 430, a reinforcing rib 440, a plug connector 450, a plug guide shaft 460, a guide hole 461 and a chamfer 462.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 9, a wireless charger test fixture includes a base 100, a test placing component 200 mounted on the base 100, a test connecting component 300 mounted on the base 100 and located at one side of the test placing component 200, and a test outputting component 400 mounted on the base 100; the test connection assembly 300 is connected with the test output assembly 400.
The two sides of the base 100 are provided with the conveying wear-resistant pieces 110, the conveying wear-resistant pieces 110 are used for reducing friction of the test fixture in the conveying process and improving the wear resistance, specifically, the base 100 is processed by aluminum alloy, the wear-resistant pieces are made of stainless steel or iron sheets and are subjected to surface chromium plating treatment, the overall wear resistance is improved, and the transmission stability is ensured.
Referring to fig. 3 to 4, the test placement assembly 200 includes a lifting module 210, a fixture base 220 installed on the lifting module 210, and a wireless sensor base 230, the fixture base 220 is provided with a plurality of sets of placement grooves 221, the placement grooves 221 are used for placing the test piece to be tested, the fixture base 220 and the wireless sensor base 230 can be lifted through the lifting module 210, the lifting module 210 can be lowered through a driving structure in the test process, so that the wireless sensor base 230, the test piece to be tested and the test connection assembly 300 are far away from each other, the interference phenomenon is prevented in the test process, and the test effect and stability are improved.
The lifting module 210 comprises a plurality of groups of lifting guide rods 211 and a lifting plate 212 which can be driven along the lifting guide rods 211, wherein the lifting guide rods 211 are provided with resetting elements 213 for resetting the lifting plate 212; adopt liftable structure to be used for connecting tool seat 220 and wireless response seat 230, in the testing process, the accessible sets up drive structure drive lifter plate 212 and descends along lift guide 211 for treat test piece and test connection subassembly 300 keep away from, guarantee that the stability of test and the interference phenomenon appears in the prevention, still set up reset element 213 and be used for reseing after the test, conveniently get the material and connect the use.
The base 100 is located the lifting module 210 below and is provided with the stopper 120, can be used to the spacing use of lifting module 210 through stopper 120, promotes elevation structure's safety and stable effect.
The lifting guide rod 211 comprises a first guide rod 211a and a second guide rod 211b, wherein the first guide rod 211a is connected to two sides of the lifting plate 212; in a further improvement, the reset element 213 is a spring, and is sleeved on the outer diameter of the first guide rod 211 a; the spring is adopted for resetting, the structure is simple, the structure cost is low, and meanwhile, the guide rod structure is adopted for guiding lifting and is convenient to control.
The jig base 220 is provided with a plurality of clearance gaps 222, and the clearance gaps 222 are communicated with the placing grooves 221; the clearance gap 222 is used for connecting data lines, so that the connection is convenient, and the structure is simple and reliable.
Referring to fig. 5 to 6, the wireless induction base 230 includes an adapter plate 231 connected to the lifting plate 212, a plurality of sets of PCB plates 232 mounted on the adapter plate 231, a connection post 233 mounted on the adapter plate 231 and located on one side of the PCB plates 232, and a protection plate 234 mounted on the connection post 233 and covering the PCB plates 232, and is used for mounting the PCB plates 232 and the connection post 233 through the adapter plate 231, and the protection plate 234 is provided for protection mounting of the structure, thereby improving the stability of the structure.
The PCB 232 is connected with a wireless induction plate 235, the lifting plate 212 is provided with an installation groove, and the wireless induction plate 235 is installed in the installation groove; the wireless induction plate 235 is matched with a wireless to-be-tested part to perform induction testing, so that the testing effect is improved.
The PCB 232 includes a first board 232a and a second board 232b, the first board 232a is mounted on an isolation seat 232c, and the second board 232b is mounted on the isolation seat 232 c; the first plate body 232a and the second plate body 232b are separated through the isolation seat 232c, interference is prevented, and stability of testing is improved.
Referring to fig. 7 to 8, the test connection assembly 300 includes a supporting base 310, a plurality of sets of test sockets 320 mounted on the supporting base 310, wherein the test sockets 320 are connected to the dut; the supporting seat 310 is used for supporting and installing the test seats 320, and the number of the test seats 320 is the same as that of the pieces to be tested, so that one-to-one matching test is realized, and the test effect is good.
The supporting seat 310 is provided with a plurality of clearance grooves 311, the top end of each clearance groove 311 is provided with a mounting groove 312, the test seat 320 is installed in the mounting groove 312, the improvement is that the test seat 320 comprises a test plate 321, a test contact 322 arranged on the surface of the test plate 321, an input connector 323 and an output connector 324 arranged on the test plate 321, the input connector 323 is connected with a to-be-tested part, the input connector 323 and the output connector 324 are conveniently connected and used under the action of the clearance grooves 311, the mounting groove 312 is further provided for the test plate 321 to be fixedly installed and used, the test contact 322 is further provided, the structure is used for testing, direct contact can be achieved, connector fixed connection is not needed, and the test efficiency is high.
Referring to fig. 9, the test output module 400 is provided with a connection board 410, the connection board 410 is provided with a plurality of connection ports 420 to connect with the test socket 320, and the connection ports 420 are provided to connect with the test socket 320 so as to connect and transmit data, and transmit and guide out a test process, so as to ensure stability and effect of a test.
The test output assembly 400 comprises a plug board seat 430, reinforcing ribs 440 installed on two sides of the plug board seat 430, and a plug connector 450 arranged on the plug board seat 430, wherein the plug connector 450 is connected with the connecting plate 410, specifically, the plug connector 450 is used for fixedly installing and using the plug board seat 430, the reinforcing ribs 440 are further arranged for supporting and installing and using the reinforced integral structure, and the structural strength is improved.
The inserting plate seat 430 is provided with inserting guide shafts 460 on two sides of the inserting head 450, the inserting guide shafts 460 are provided with guide holes 461, chamfers 462 are arranged at openings of the guide holes 461, the inserting precision is guaranteed in the inserting process of the jig through the guide holes 461 and guiding effects, and the inserting effect and stability are improved.
The invention adopts a movable test fixture, the test placing component 200 is used for fixedly placing the charger for use, the test connecting component 300 is also arranged for connecting the charger for use so as to be connected with test equipment for testing, the test output component 400 is also arranged, the test output component 400 is connected with the test connecting component 300 for transmission and output, and the test result is output in the test power-on process, so that the automatic transportation test is realized, the test is convenient, and the structure is reliable. Specifically, the test device comprises a base 100, a test placing component 200 arranged on the base 100, a test connecting component 300 arranged on the base 100 and positioned at one side of the test placing component 200, and a test output component 400 arranged on the base 100; the test connection assembly 300 is connected with the test output assembly 400; the overall structure is simple, the test output assembly 400 is connected to the test connection assembly 300 to transmit the test process to the test output assembly 400, and the test output assembly 400 is connected to the test equipment to analyze the test result.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011105561.XA CN112162169A (en) | 2020-10-15 | 2020-10-15 | A wireless charger test fixture |
| PCT/CN2021/073754 WO2022077798A1 (en) | 2020-10-15 | 2021-01-26 | Wireless charger test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011105561.XA CN112162169A (en) | 2020-10-15 | 2020-10-15 | A wireless charger test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112162169A true CN112162169A (en) | 2021-01-01 |
Family
ID=73867196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011105561.XA Withdrawn CN112162169A (en) | 2020-10-15 | 2020-10-15 | A wireless charger test fixture |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112162169A (en) |
| WO (1) | WO2022077798A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075486A (en) * | 2021-03-31 | 2021-07-06 | 清华大学 | Reliability test tool of external control equipment for implanted medical instrument |
| CN113193660A (en) * | 2021-03-31 | 2021-07-30 | 清华大学 | Reliability test system of external control equipment for implanted medical instrument |
| WO2022077798A1 (en) * | 2020-10-15 | 2022-04-21 | 东莞市冠佳电子设备有限公司 | Wireless charger test fixture |
| CN115598458A (en) * | 2022-10-09 | 2023-01-13 | 深圳市微特精密科技股份有限公司（Cn） | A working condition simulation detection device for wireless charging equipment |
| CN116519996A (en) * | 2023-07-03 | 2023-08-01 | 荣旗工业科技(苏州)股份有限公司 | Gaussian test equipment |
| CN115598458B (en) * | 2022-10-09 | 2025-07-25 | 深圳市微特精密科技股份有限公司 | Wireless charging equipment working condition simulation detection device |
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| PL2279007T3 (en) | 2008-04-29 | 2016-11-30 | Pegylated recombinant human growth hormone compounds | |
| EP2512450B1 (en) | 2009-12-15 | 2018-02-07 | Ascendis Pharma Endocrinology Division A/S | Dry growth hormone composition transiently linked to a polymer carrier |
| CN109672592A (en) * | 2019-02-18 | 2019-04-23 | 深圳市菲菱科思通信技术股份有限公司 | Router test fixture |
| US12303553B2 (en) | 2019-03-04 | 2025-05-20 | Ascendis Pharma Endocrinology Division A/S | Long-acting growth hormone dosage forms with superior efficacy to daily somatropin |
| CN116048045B (en) * | 2022-12-30 | 2024-11-12 | 江苏冠佳技术有限公司 | Controller test aging subcarrier |
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| CN206932255U (en) * | 2017-04-05 | 2018-01-26 | 东莞市沃德精密机械有限公司 | Mobile phone wireless charging function test fixture |
| CN206773014U (en) * | 2017-04-11 | 2017-12-19 | 东莞市沃德精密机械有限公司 | Test fixture for wireless charger |
| CN109633316B (en) * | 2018-12-19 | 2021-04-20 | 深圳市博瑞信科技有限公司 | Automatic test system of three-axis wireless charger |
| CN209460337U (en) * | 2018-12-29 | 2019-10-01 | 东莞市奥海科技股份有限公司 | Test base of wireless charger for ATE test equipment |
| KR102153332B1 (en) * | 2019-09-17 | 2020-09-08 | 재단법인경북테크노파크 | Automated interoperability test system for wireless charging device |
| CN111679145B (en) * | 2020-07-13 | 2025-03-18 | 深圳市方昕科技有限公司 | Wireless charging test device and method |
| CN112162169A (en) * | 2020-10-15 | 2021-01-01 | 东莞市冠佳电子设备有限公司 | A wireless charger test fixture |
-
2020
- 2020-10-15 CN CN202011105561.XA patent/CN112162169A/en not_active Withdrawn
-
2021
- 2021-01-26 WO PCT/CN2021/073754 patent/WO2022077798A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022077798A1 (en) * | 2020-10-15 | 2022-04-21 | 东莞市冠佳电子设备有限公司 | Wireless charger test fixture |
| CN113075486A (en) * | 2021-03-31 | 2021-07-06 | 清华大学 | Reliability test tool of external control equipment for implanted medical instrument |
| CN113193660A (en) * | 2021-03-31 | 2021-07-30 | 清华大学 | Reliability test system of external control equipment for implanted medical instrument |
| CN115598458A (en) * | 2022-10-09 | 2023-01-13 | 深圳市微特精密科技股份有限公司（Cn） | A working condition simulation detection device for wireless charging equipment |
| CN115598458B (en) * | 2022-10-09 | 2025-07-25 | 深圳市微特精密科技股份有限公司 | Wireless charging equipment working condition simulation detection device |
| CN116519996A (en) * | 2023-07-03 | 2023-08-01 | 荣旗工业科技(苏州)股份有限公司 | Gaussian test equipment |
| CN116519996B (en) * | 2023-07-03 | 2023-09-22 | 荣旗工业科技(苏州)股份有限公司 | Gaussian test equipment |
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| Publication number | Publication date |
|---|---|
| WO2022077798A1 (en) | 2022-04-21 |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210101 |
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| WW01 | Invention patent application withdrawn after publication |