CN211557490U - Bluetooth headset test equipment - Google Patents
Bluetooth headset test equipment Download PDFInfo
- Publication number
- CN211557490U CN211557490U CN202020719156.6U CN202020719156U CN211557490U CN 211557490 U CN211557490 U CN 211557490U CN 202020719156 U CN202020719156 U CN 202020719156U CN 211557490 U CN211557490 U CN 211557490U
- Authority
- CN
- China
- Prior art keywords
- sensing
- test
- magnetic induction
- bluetooth headset
- testing
- 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.)
- Active
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model belongs to the technical field of the earphone test technique and specifically relates to indicate a bluetooth headset test equipment, which comprises a worktable, the tool, magnetic induction accredited testing organization, charge and discharge accredited testing organization, button accredited testing organization and sensing accredited testing organization, magnetic induction accredited testing organization and charge and discharge accredited testing organization are located the both ends of tool respectively, sensing accredited testing organization and button accredited testing organization are located the upside and the downside of tool respectively, the tool is equipped with and holds the chamber, the tool is equipped with the through-hole, the end of pressing down of button accredited testing organization aims at the through-hole, the tool is equipped with the magnetic induction chamber, sensing accredited testing organization includes the sensing test seat, sensing test sideslip ware. The utility model discloses can carry out charge-discharge test, sensing test, button test and hall test with automizing, efficiency of software testing is high, has reduced the intensity of labour of test, has improved the accuracy of test, and can carry out the sensing test of different distances to bluetooth headset, and the quality application range who further has improved bluetooth headset is wide.
Description
Technical Field
The utility model belongs to the technical field of the earphone test technique and specifically relates to indicate a bluetooth headset test equipment.
Background
Bluetooth is a short-distance wireless communication standard with low cost and large capacity, and Bluetooth earphones apply the Bluetooth technology to hands-free earphones, so that users can avoid the trouble of wires and easily talk in various ways freely, and the Bluetooth earphones are always good tools for improving the efficiency of mobile commerce families since the advent of the Bluetooth earphones. In order to meet the use requirements of consumers, each Bluetooth headset needs to be subjected to strict function tests before leaving a factory, and the tests comprise a charge and discharge test, a button test, a sensing test, a Hall test and the like. In the prior art, the used test equipment can only test one function, and the whole test process needs to be performed among a plurality of pieces of equipment in sequence, so that a plurality of feeding and discharging and material moving actions exist, and the test efficiency is low. Therefore, the drawbacks are obvious, and a solution is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a bluetooth headset test equipment, it has integrateed the tool, magnetic induction accredited testing organization, charge and discharge accredited testing organization, button accredited testing organization and sensing accredited testing organization, can accomplish the charge and discharge test to bluetooth headset automatically, the sensing test, button test and hall test, degree of automation is high, the efficiency of software testing is high, the intensity of labour of test has been reduced, the accuracy of test has been improved, and can carry out the sensing test of different distances to bluetooth headset, bluetooth headset's quality has further been improved, the commonality is good, therefore, the clothes hanger is strong in practicability, and wide application range.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a bluetooth headset test equipment, its includes board, tool, magnetism and feels accredited testing organization, charge and discharge accredited testing organization, button accredited testing organization and sensing accredited testing organization, the tool is installed in the board, magnetism is felt accredited testing organization, charge and discharge accredited testing organization, button accredited testing organization and sensing accredited testing organization all set up in the board, magnetism is felt accredited testing organization and charge and discharge accredited testing organization are located the both ends of tool respectively, sensing accredited testing organization and button accredited testing organization are located the upside and the downside of tool respectively, the top surface of tool is concave to be equipped with and holds the chamber, the bottom of tool is provided with the through-hole that communicates with holding the chamber, the end of pressing of button accredited testing organization aims at the through-hole, one side that the tool is close to magnetism is felt accredited testing organization is concave to be equipped with the magnetism and is used for magnetism sensing, The sensor testing device comprises a sensing testing transverse moving seat, a sensing testing transverse moving device, a sensing testing piece and a sensing testing lifter, wherein the sensing testing transverse moving seat is arranged on the sensing testing seat in a sliding mode, the sensing testing transverse moving device is arranged on the sensing testing seat, the sensing testing piece is arranged on the sensing testing transverse moving seat in a lifting mode, the sensing testing lifter is arranged on the sensing testing transverse moving seat and used for driving the sensing testing piece to lift, and the sensing testing transverse moving device is used for driving the sensing.
Furthermore, the sensing test lifter comprises a screw rod rotatably arranged on the sensing test transverse moving seat, a motor arranged at the top of the sensing test transverse moving seat, a moving nut in threaded connection with the screw rod and a lifting block arranged on the moving nut, the motor drives the screw rod to rotate, and the sensing test piece is arranged on the lifting block.
Furthermore, the sensing test traversing seat is provided with an upper photoelectric sensor and a lower photoelectric sensor from top to bottom in sequence, the lifting block is provided with a sensing piece, and the sensing piece is used for triggering the upper photoelectric sensor or the lower photoelectric sensor.
Furthermore, the magnetic induction testing mechanism comprises a magnetic induction driver arranged on the machine table and an insertion block arranged at the output end of the magnetic induction driver, wherein the insertion block is provided with a magnet, and the magnetic induction driver is used for driving the magnet to protrude into the magnetic induction cavity.
Furthermore, the button testing mechanism comprises a button driver arranged on the machine table and a pressing head arranged at the output end of the button driver, and the button driver is used for driving the pressing head to protrude into the through hole.
Further, charge-discharge test mechanism is including installing in the charge-discharge driver of board, installing in the charge-discharge movable block of the output of charge-discharge driver and installing in the probe subassembly of charge-discharge movable block, charge-discharge driver is used for driving the probe subassembly and is close to or keeps away from the tool.
Furthermore, the probe assembly comprises a charging probe and a discharging probe which are arranged on the charging and discharging moving block.
Further, handles are arranged on two sides of the machine table.
The utility model has the advantages that: the utility model has the advantages of reasonable design, the tool has been integrated, magnetic induction accredited testing organization, charge and discharge accredited testing organization, button accredited testing organization and sensing accredited testing organization, can accomplish the charge and discharge test to bluetooth headset automatically, the sensing test, button test and hall test, degree of automation is high, high test efficiency, the intensity of labour of test has been reduced, the accuracy of test has been improved, and can carry out the sensing test of different distances to bluetooth headset, bluetooth headset's quality has further been improved, the commonality is good, therefore, the clothes hanger is strong in practicability, and wide application range.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the utility model after the machine platform is hidden.
Fig. 3 is a schematic perspective view of the sensing and testing mechanism of the present invention.
Fig. 4 is a schematic perspective view of the button testing mechanism of the present invention.
Fig. 5 is a schematic view of a three-dimensional structure of the jig of the present invention.
Description of reference numerals:
1. a machine platform; 2. a jig; 21. a cavity; 22. a through hole; 23. a magnetic induction cavity; 3. a magnetic induction testing mechanism; 31. a magnetic induction driver; 32. inserting a block; 33. a magnet; 4. a charge and discharge test mechanism; 41. a charge and discharge driver; 42. charging and discharging moving blocks; 43. a probe assembly; 5. a button testing mechanism; 51. a button driver; 52. a pressing head; 6. a sensing test mechanism; 61. a sensing test seat; 62. sensing a test piece; 63. a sensing test traversing seat; 64. sensing the test traversing device; 65. a sensing test riser; 66. a screw rod; 67. a motor; 68. moving the nut; 69. a lifting block; 7. an upper photoelectric sensor; 71. a lower photosensor; 73. an induction sheet; 8. a handle; 9. an air pressure adjusting device; 10. a bluetooth headset.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1 to 5, the bluetooth headset testing apparatus provided by the present invention comprises a machine table 1, a jig 2, a magnetic induction testing mechanism 3, a charging and discharging testing mechanism 4, a button testing mechanism 5 and a sensing testing mechanism 6, wherein the jig 2 is installed on the machine table 1, the magnetic induction testing mechanism 3, the charging and discharging testing mechanism 4, the button testing mechanism 5 and the sensing testing mechanism 6 are all installed on the machine table 1, the magnetic induction testing mechanism 3 and the charging and discharging testing mechanism 4 are respectively located at two ends of the jig 2, the sensing testing mechanism 6 and the button testing mechanism 5 are respectively located at the upper side and the lower side of the jig 2, an accommodating chamber 21 is concavely arranged on the top surface of the jig 2, a through hole 22 communicated with the accommodating chamber 21 is arranged at the bottom of the jig 2, a pressing end of the button testing mechanism 5 is aligned with the through hole 22, a magnetic induction cavity 23 for inserting the magnetic induction end of the magnetic induction testing mechanism 3 is concavely arranged at one side of the jig 2 close to the magnetic induction testing, the sensing test mechanism 6 comprises a sensing test seat 61 arranged on the machine table 1, a sensing test traverse seat 63 arranged on the sensing test seat 61 in a sliding manner, a sensing test traverse device 64 arranged on the sensing test seat 61, a sensing test piece 62 arranged on the sensing test traverse seat 63 in a lifting manner, and a sensing test lifter 65 arranged on the sensing test traverse seat 63 and used for driving the sensing test piece 62 to lift, wherein the sensing test traverse device 64 is used for driving the sensing test traverse seat 63 to move transversely; specifically, the shape of the cavity 21 is the same as the outline of the bluetooth headset 10, an opening is arranged at one end of the cavity 21 close to the charging and discharging test mechanism 4, the charging and discharging test mechanism 4 is provided with an external interface, the external interface is electrically connected with a mobile terminal (such as a computer) and the mobile terminal outputs and displays a test result.
During actual work, the Bluetooth headset 10 is placed in the accommodating cavity 21, the jig 2 carries and fixes the Bluetooth headset 10, and then the testing end of the charging and discharging testing mechanism 4 is electrically connected with the charging interface of the Bluetooth headset 10 carried by the jig 2, so that charging and discharging tests (such as current, voltage and the like) are performed on the Bluetooth headset 10; when the charging and discharging test is qualified, the sensing test traverse device 64 of the sensing test mechanism 6 drives the sensing test traverse seat 63 and the sensing test piece 62 to move close to the jig 2 until the sensing test piece 62 is positioned right above the jig 2, then the sensing test lifter 65 drives the sensing test piece 62 to move close to or away from the bluetooth headset 10 carried by the jig 2, the distance required by any one sensing test can be adjusted according to the actual requirement in the sensing test process, so that the sensing tests (such as infrared sensing tests) of different distances can be carried out on the bluetooth headset 10 carried by the jig 2, the sensitivity of the sensing test piece 62 and the bluetooth headset 10 between different distances can be tested, the quality of the bluetooth headset 10 is improved, then the pressing end of the button test mechanism 5 protrudes into the through hole 22 until the pressing end of the button test mechanism 5 presses or touches the button position of the bluetooth headset 10 carried by the jig 2, in order to accomplish the test to bluetooth headset 10 button, the magnetism of last magnetic induction accredited testing organization 3 feels the end and stretches to in magnetic induction chamber 23 to carry out hall test to the bluetooth headset 10 that tool 2 bore, in order to test bluetooth headset 10's sensitivity. Of course, the testing sequence is not limited to the above illustration, and the testing sequence of various performances can be adjusted according to the actual situation.
The utility model has the advantages of reasonable design, tool 2 has been integrated, magnetic induction accredited testing organization 3, charge and discharge accredited testing organization 4, button accredited testing organization 5 and sensing accredited testing organization 6, can accomplish the charge and discharge test to bluetooth headset 10 with automizing, the sensing test, button test and hall test, degree of automation is high, high test efficiency, the intensity of labour of test has been reduced, the accuracy of test has been improved, and can carry out the sensing test of different distances to bluetooth headset 10, bluetooth headset 10's quality has further been improved, the commonality is good, therefore, the clothes hanger is strong in practicability, and wide application range.
In this embodiment, the sensing test lifter 65 includes a screw 66 rotatably disposed on the sensing test traverse base 63, a motor 67 disposed on the top of the sensing test traverse base 63, a moving nut 68 in threaded connection with the screw 66, and a lifting block 69 disposed on the moving nut 68, the motor 67 drives the screw 66 to rotate, the sensing test piece 62 is disposed on the lifting block 69, and the screw 66 is vertically disposed.
When sensing test piece 62 is located tool 2 directly over, motor 67 drive lead screw 66 rotates, pivoted lead screw 66 drive removes nut 68 and is taken elevator 69 and sensing test piece 62 to be close to or keep away from tool 2's bluetooth headset 10, can adjust the distance that arbitrary one sensing test required according to actual demand in the test process, thereby can carry out the sensing test of different distances to the bluetooth headset 10 that tool 2 bore, and then can test the sensitivity of sensing test piece 62 and bluetooth headset 10 between different distances, bluetooth headset 10's quality has been improved. The bottom surface of the sensing test piece 62 may be provided with a gray card, and the sensing test piece 62 may be a sensing element required in an infrared sensing test or other test processes. Specifically, the sensing test piece 62 can complete the detection of the optical sensor, the proximity sensor, and other elements built in the bluetooth headset 10. The elements that the sensing test piece 62 may specifically include and the detection functions that may be implemented are self-configurable by those skilled in the art as required by the test.
Specifically, the lifting block 69 is matched with a slide rail through a slider to be slidably connected with the side wall of the sensing and testing traverse base 63, the slider is mounted on the lifting block 69, and the slide rail is mounted on the sensing and testing traverse base 63. In the process of lifting the lifting block 69, the sliding block is in sliding fit with the sliding rail, so that the lifting block 69 can smoothly slide, and the movement stability of the lifting block 69 is improved.
In this embodiment, the sensing and testing traversing seat 63 is sequentially provided with an upper photoelectric sensor 7 and a lower photoelectric sensor 71 from top to bottom, the lifting block 69 is provided with a sensing piece 73, the sensing piece 73 is used for triggering the upper photoelectric sensor 7 or the lower photoelectric sensor 71, and both the upper photoelectric sensor 7 and the lower photoelectric sensor 71 are electrically connected with the motor 67. The induction sheet 73 is in triggering fit with the upper photoelectric sensor 7 or the lower photoelectric sensor 71, so that the moving stroke of the lifting block 69 and the sensing test piece 62 is limited, and the sensing test piece 62 is prevented from moving up or down excessively.
In this embodiment, the magnetic induction testing mechanism 3 includes a magnetic induction driver 31 installed on the machine table 1 and an insertion block 32 installed at an output end of the magnetic induction driver 31, the insertion block 32 is installed with a magnet 33, and the magnetic induction driver 31 is used for driving the magnet 33 to protrude into the magnetic induction cavity 23.
When the bluetooth headset 10 is subjected to hall test, the magnetic induction driver 31 drives the insert block 32 and the magnet 33 to move close to the jig 2 until the magnet 33 protrudes into the magnetic induction cavity 23, so that the bluetooth headset 10 is subjected to hall test. Specifically, the insert block 32 is provided with a mounting hole, and the magnet 33 is embedded in the mounting hole, so that the magnet 33 is convenient to disassemble and assemble, the stability and the position accuracy of the magnet 33 on the insert block 32 are ensured, and the structure of the magnet 33 and the insert block 32 is compact.
In this embodiment, the button testing mechanism 5 includes a button driver 51 installed on the machine platform 1 and a pressing head 52 installed at an output end of the button driver 51, the pressing head 52 may be a soft plastic, the button driver 51 is used for driving the pressing head 52 to protrude into the through hole 22, or the button driver 51 is used for driving the pressing head 52 to move in the through hole 22.
When carrying out the button test to bluetooth headset 10, button driver 51 drive press head 52 is close to tool 2 and removes for press head 52 stretches out to in the through-hole 22, presses or touches the button of bluetooth headset 10 until press head 52, thereby accomplishes the button test of bluetooth headset 10. The soft rubber part has certain elasticity, plays the effect of buffering, avoids pressing head 52 and bluetooth headset 10 to take place hard impact collision and influence bluetooth headset 10's surface quality.
In this embodiment, the charging and discharging testing mechanism 4 includes a charging and discharging driver 41 installed on the machine platform 1, a charging and discharging moving block 42 installed on an output end of the charging and discharging driver 41, and a probe assembly 43 installed on the charging and discharging moving block 42, wherein the charging and discharging driver 41 is used for driving the probe assembly 43 to approach or leave the jig 2; specifically, the probe assembly 43 includes a charging probe and a discharging probe mounted to the charging and discharging moving block 42.
When the bluetooth headset 10 is subjected to charge and discharge testing, the charge and discharge driver 41 drives the charge and discharge moving block 42 and the probe assembly 43 to move close to the jig 2 until the probe assembly 43 is electrically connected with the bluetooth headset 10 borne by the jig 2, so as to perform charge and discharge testing on the bluetooth headset 10.
In this embodiment, the both sides of board 1 all rotate and are provided with handle 8, through addding handle 8, are convenient for carry or shift this test equipment.
Specifically, the sensing testing traversing device 64, the magnetic induction driver 31, the button driver 51 and the charging and discharging driver 41 are all air cylinders, the machine table 1 is provided with an air pressure adjusting device 9 for supplying air to the sensing testing traversing device 64, the magnetic induction driver 31, the button driver 51 and the charging and discharging driver 41 respectively, the air pressure adjusting device 9 comprises an air pump and an adjusting valve, an air outlet end of the air pump is communicated with the adjusting valve, and the adjusting valve is used for adjusting the flow rate of air supplied by the air pump.
All the technical features in the embodiment can be freely combined according to actual needs.
The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.
Claims (8)
1. A bluetooth headset test equipment which characterized in that: the jig comprises a machine table, a jig, a magnetic induction testing mechanism, a charge and discharge testing mechanism, a button testing mechanism and a sensing testing mechanism, wherein the jig is arranged on the machine table, the magnetic induction testing mechanism, the charge and discharge testing mechanism, the button testing mechanism and the sensing testing mechanism are arranged on the machine table, the magnetic induction testing mechanism and the charge and discharge testing mechanism are respectively arranged at two ends of the jig, the sensing testing mechanism and the button testing mechanism are respectively arranged at the upper side and the lower side of the jig, a containing cavity is concavely arranged on the top surface of the jig, a through hole communicated with the containing cavity is arranged at the bottom of the jig, the pressing end of the button testing mechanism is aligned to the through hole, a magnetic induction cavity for inserting the magnetic induction end of the magnetic induction testing mechanism is concavely arranged at one side of the jig close to the magnetic induction testing mechanism, and the sensing testing mechanism comprises a sensing testing seat arranged on the machine table and a sensing, The sensing test transverse moving device is arranged on the sensing test transverse moving device of the sensing test seat, the sensing test piece is arranged on the sensing test transverse moving seat in a lifting mode, and the sensing test lifter is arranged on the sensing test transverse moving seat and used for driving the sensing test piece to lift, and the sensing test transverse moving device is used for driving the sensing test transverse moving seat to transversely move.
2. A bluetooth headset testing device according to claim 1, characterized in that: the sensing test lifter comprises a screw rod rotatably arranged on the sensing test transverse moving seat, a motor arranged at the top of the sensing test transverse moving seat, a moving nut in threaded connection with the screw rod and a lifting block arranged on the moving nut, the motor drives the screw rod to rotate, and the sensing test piece is arranged on the lifting block.
3. A bluetooth headset testing device according to claim 2, characterized in that: the sensing test transverse moving seat is sequentially provided with an upper photoelectric sensor and a lower photoelectric sensor from top to bottom, the lifting block is provided with a sensing piece, and the sensing piece is used for triggering the upper photoelectric sensor or the lower photoelectric sensor.
4. A bluetooth headset testing device according to claim 1, characterized in that: the magnetic induction testing mechanism comprises a magnetic induction driver arranged on the machine table and an insertion block arranged at the output end of the magnetic induction driver, wherein the insertion block is provided with a magnet, and the magnetic induction driver is used for driving the magnet to extend into the magnetic induction cavity.
5. A bluetooth headset testing device according to claim 1, characterized in that: the button testing mechanism comprises a button driver arranged on the machine table and a pressing head arranged at the output end of the button driver, and the button driver is used for driving the pressing head to extend into the through hole in a protruding mode.
6. A bluetooth headset testing device according to claim 1, characterized in that: the charge and discharge test mechanism comprises a charge and discharge driver arranged on the machine table, a charge and discharge moving block arranged at the output end of the charge and discharge driver and a probe assembly arranged on the charge and discharge moving block, wherein the charge and discharge driver is used for driving the probe assembly to be close to or far away from the jig.
7. A Bluetooth headset testing device according to claim 6, characterized in that: the probe assembly comprises a charging probe and a discharging probe which are arranged on the charging and discharging moving block.
8. A bluetooth headset testing device according to claim 1, characterized in that: handles are arranged on two sides of the machine table.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020719156.6U CN211557490U (en) | 2020-04-30 | 2020-04-30 | Bluetooth headset test equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020719156.6U CN211557490U (en) | 2020-04-30 | 2020-04-30 | Bluetooth headset test equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211557490U true CN211557490U (en) | 2020-09-22 |
Family
ID=72497073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020719156.6U Active CN211557490U (en) | 2020-04-30 | 2020-04-30 | Bluetooth headset test equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211557490U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113993054A (en) * | 2021-10-28 | 2022-01-28 | 东莞市实优特电子有限公司 | Earphone detection device |
-
2020
- 2020-04-30 CN CN202020719156.6U patent/CN211557490U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113993054A (en) * | 2021-10-28 | 2022-01-28 | 东莞市实优特电子有限公司 | Earphone detection device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202994935U (en) | Testing device for connector product | |
CN211557490U (en) | Bluetooth headset test equipment | |
CN206347977U (en) | Laser detector | |
CN217914181U (en) | Full-automatic detection and tool changing type desktop-level CNC (computer numerical control) machine tool | |
CN111016194A (en) | Multi-dimensional product assembling jig | |
CN206952579U (en) | Electronic product metalwork CNC centralized positioning bases | |
CN215601494U (en) | Detection device | |
CN214750693U (en) | PCBA automatic testing arrangement that can remodel fast | |
CN210225752U (en) | Bluetooth headset test equipment | |
CN115524551A (en) | Intelligent detection tool | |
CN216559515U (en) | Servo pressfitting formula gas tightness test equipment | |
CN211603437U (en) | Semiconductor static testing device | |
CN207992347U (en) | A kind of phone charger detection device | |
CN209207298U (en) | A kind of Pneumatic pressing jig | |
JP2004055705A (en) | Apparatus and method for crimping electronic component | |
CN212989432U (en) | Electronic product detection probe tool module | |
CN217005745U (en) | Magnet height detection device | |
CN220490265U (en) | Pulling and inserting force testing machine capable of quickly changing mold | |
KR102038643B1 (en) | Pressure sensor test equipment | |
CN214408011U (en) | Draw-in groove detection device of high-precision electronic shell | |
CN108540917A (en) | Earphone magnetic force detection device | |
KR200289985Y1 (en) | Device for testing durability of key pad | |
CN215912223U (en) | Earphone detection device and earphone detection equipment | |
CN220270660U (en) | Portable contact group clamping force measuring device | |
CN212872035U (en) | Hardness tester for detecting precision stamping parts |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |