CN218383186U - Capacitor key testing device - Google Patents
Capacitor key testing device Download PDFInfo
- Publication number
- CN218383186U CN218383186U CN202221948431.7U CN202221948431U CN218383186U CN 218383186 U CN218383186 U CN 218383186U CN 202221948431 U CN202221948431 U CN 202221948431U CN 218383186 U CN218383186 U CN 218383186U
- Authority
- CN
- China
- Prior art keywords
- key
- capacitor
- capacitive
- testing device
- capacitive button
- 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 relates to a testing arrangement technical field discloses an electric capacity button testing arrangement. The capacitance key testing device comprises a bottom plate, a probe, a capacitance IC plate, a lifting driving mechanism and an indicating piece. The bottom plate is used for placing a capacitor key to be tested, the probe is electrically connected with the capacitor IC board, and the lifting driving mechanism can drive the probe to descend and abut against a gold finger of the capacitor key, so that the capacitor IC board can detect whether the capacitor key is qualified or not. The indicating part is electrically connected with the capacitor IC board and can send out an indicating signal according to the detection result of the capacitor IC board. When testing, support the probe and press on the golden finger of electric capacity button, need not insert the golden finger of electric capacity button in testing arrangement, reduced the wearing and tearing of golden finger, prolonged the life of golden finger, and then guarantee the life of electric capacity button preferred. And the capacitor key testing device visually displays whether the capacitor key is qualified or not by using the indicating piece without connecting a computer, and the testing process is simple.
Description
Technical Field
The utility model relates to a testing arrangement technical field, in particular to electric capacity button testing arrangement.
Background
The capacitive keys can accurately detect the effective touch of fingers, have high reliability, and are widely applied to remote controllers, lamp dimming, various switches, control interfaces of vehicle-mounted, small household appliances and the like.
In the prior art, a capacitive key generally comprises a touch part and a golden finger for connecting with a circuit. When the capacitive key is tested, a gold finger of the capacitive key needs to be inserted into a clamping groove of the testing device, and a tester touches the touch part of the capacitive key with the finger to test whether the capacitive key is qualified. However, the service life of the gold finger is easily reduced by repeatedly plugging and unplugging the capacitive button. In addition, in the prior art, when the capacitive button test is performed each time, the capacitive button test device needs to be connected with a computer, whether the capacitive button is qualified or not is displayed through a computer interface, and the test operation is complicated.
Therefore, a testing apparatus for testing a capacitive button is needed to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric capacity button testing arrangement can guarantee the life of electric capacity button preferred, and the test procedure is simple.
To achieve the purpose, the utility model adopts the following technical proposal:
a capacitive button testing device comprising:
the bottom plate is used for placing a capacitor key to be tested;
the probe is electrically connected with the capacitor IC board;
the lifting driving mechanism can drive the probe to descend and abut against the gold finger of the capacitor key so that the capacitor IC board can detect whether the capacitor key is qualified or not;
the indicating part is electrically connected with the capacitor IC board and can send out an indicating signal according to the testing result of the capacitor IC board.
Preferably, the indicator is an indicator lamp, and the indicator lamp can display a first color when the capacitor key is qualified and display another color when the capacitor key is unqualified; or
The indicator light can light when the capacitor key is qualified.
Preferably, the lifting driving mechanism comprises a lifting driving source and a cross rod, the lifting driving source is connected with the bottom plate, the cross rod is parallel to the bottom plate, one end of the cross rod is connected with the output end of the lifting driving source, and the probe is connected to the other end of the cross rod.
Preferably, the capacitor key testing device further comprises a positioning assembly, the positioning assembly is arranged on the bottom plate, and the positioning assembly is used for positioning the capacitor key.
Preferably, the positioning assembly is removably connected to the base plate.
Preferably, the positioning assembly comprises a first positioning piece, a second positioning piece and a third positioning piece, the first positioning piece, the second positioning piece and the third positioning piece are arranged together in a surrounding mode to form a U-shaped groove, and the capacitor key can be limited in the U-shaped groove.
Preferably, the capacitor key testing device further comprises an on-off switch, the on-off switch is arranged on the bottom plate, the on-off switch is electrically connected with the capacitor IC board, the lifting driving mechanism and the indicating piece respectively, and the on-off switch is configured to enable the capacitor key testing device to be powered on.
Preferably, the capacitive button testing device further comprises a test key electrically connected with the lifting driving mechanism, and the test key is configured to enable the lifting driving mechanism to drive the probe to descend.
Preferably, the capacitive button testing device further comprises a reset key, the reset key is electrically connected with the lifting driving mechanism, and the reset key is configured to enable the lifting driving mechanism to drive the probe to ascend.
Preferably, the capacitance key testing device further comprises a plurality of supporting pieces, the supporting pieces are supported at the lower end of the bottom plate, and the capacitance IC board is arranged below the bottom plate.
The utility model has the advantages that:
the utility model provides an electric capacity button testing arrangement, including bottom plate, probe, electric capacity IC board, lift actuating mechanism and indicator. When the capacitor key is tested, the lifting driving mechanism drives the probe to descend to abut against the gold finger of the capacitor key, so that the capacitor IC board is electrically connected with the capacitor key, the capacitor IC board can detect a capacitance change signal of the capacitor key when a tester touches the touch part of the capacitor key, and then the capacitor key can be tested to be qualified. Through supporting the probe and pressing on the golden finger of electric capacity button, need not insert the golden finger of electric capacity button in testing arrangement, reduced the wearing and tearing of golden finger, prolonged the life of golden finger, and then guarantee the life of electric capacity button preferred. And the capacitance key testing device visually displays whether the capacitance key is qualified or not by using the indicating piece without connecting a computer, and the testing process is simple.
Drawings
Fig. 1 is a schematic structural diagram of a capacitance key testing apparatus according to an embodiment of the present invention at a viewing angle;
FIG. 2 is an enlarged schematic view of area A of FIG. 1;
fig. 3 is a schematic structural diagram of the capacitance key testing apparatus according to another view angle provided by the embodiment of the present invention.
In the figure:
1. a base plate;
2. a probe;
3. a capacitive IC board;
4. a main board;
5. an indicator;
6. a lifting drive mechanism; 61. a lifting drive source; 62. a cross bar;
7. a positioning assembly; 71. a first positioning member; 72. a second positioning member; 73. a third positioning member; 74. a support plate;
8. an on-off key;
9. a test key;
10. a reset key;
11. a support member;
12. a capacitor key; 121. a gold finger; 122. a touch section.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.
The embodiment provides a capacitive button testing device, which is used for testing whether a capacitive button 12 is qualified or not. Specifically, the capacitive key 12 includes a gold finger 121 and a touch portion 122, where the gold finger 121 is used to realize electrical connection with an external electrical device, and the touch portion 122 is used for a person to touch, so as to trigger the capacitive key 12.
As shown in fig. 1, the capacitive button test apparatus includes a base plate 1, a probe 2, a capacitive IC board 3, a lift driving mechanism 6, and an indicator 5. The bottom plate 1 is used for placing a capacitor key 12 to be tested, the probe 2 is electrically connected with the capacitor IC plate 3, and the lifting driving mechanism 6 can drive the probe 2 to descend and abut against a gold finger 121 of the capacitor key 12, so that the capacitor IC plate 3 can test whether the capacitor key 12 is qualified. When testing the capacitance key 12, firstly, the capacitance key 12 is placed on the bottom plate 1 so that the gold finger 121 of the capacitance key 12 vertically corresponds to the probe 2, and then the lifting driving mechanism 6 drives the probe 2 to descend and press against the gold finger 121 of the capacitance key 12. At this time, the fingers of the tester touch the touch part 122 of the capacitive button 12, if the capacitive button 12 is qualified, the capacitive IC board 3 can detect the touch signal of the capacitive button 12, and at this time, the indicating piece 5 sends out a qualified indicating signal; if the capacitive button 12 is not qualified, the capacitive IC board 3 cannot detect the touch signal of the capacitive button 12, and the indicator 5 sends an unqualified indication signal. When the capacitive button 12 is tested, the lifting driving mechanism 6 drives the probe 2 to descend and abut against the gold finger 121 of the capacitive button 12, so that the gold finger 121 of the capacitive button 12 does not need to be inserted into a testing device, the abrasion of the gold finger 121 is reduced, and the service life of the gold finger 121 is prolonged. And the indicating piece 5 for the capacitor key testing device can visually display whether the capacitor key 12 is qualified or not, a computer is not required to be connected, and the testing process is simple. It should be noted that the capacitor IC board 3 for detecting whether the capacitor key 12 is qualified is a mature component in the prior art, and the specific structure and the operation principle thereof are not described herein again.
Specifically, as shown in fig. 1, the capacitive button testing apparatus further includes a main board 4, and the capacitive IC board 3, the indicator 5, and the lifting driving mechanism 6 are all electrically connected to the main board 4. When the capacitive button 12 is tested, the main board 4 can control the lifting driving mechanism 6 to drive the probe 2 to descend and press against the gold finger 121 of the capacitive button 12. And the capacitance IC board 3 can send the detected qualified/unqualified result of the capacitance key 12 to the mainboard 4, and the mainboard 4 enables the indicating part 5 to send a corresponding indicating result after receiving the corresponding result. The main board 4 may be a controller capable of providing an execution instruction to enable each part to operate according to the instruction, which is a mature component in the prior art, and therefore, the detailed structure and operation principle thereof are not described herein again.
Preferably, the indicator 5 is an indicator light. The indicator lamp can visually indicate whether the capacitor key 12 is qualified or not, so that the test result is simple and clear, and the test efficiency is improved.
In one embodiment, when testing the capacitive button 12, the indicator light displays a first color if the capacitive button 12 is acceptable, and displays a second color if the capacitive button 12 is not acceptable. In this embodiment, after the probe 2 is electrically connected to the gold finger 121, if the capacitive IC board 3 does not detect the touch signal within a predetermined time, it indicates that the capacitive button 12 is not qualified. Specifically, the indicator light may be one light capable of displaying two different colors, or may be two lights capable of displaying different colors, which is not limited herein.
In another embodiment, the on/off of the indicator light indicates whether the capacitive button 12 is qualified, if the capacitive button 12 is qualified, the indicator light is on, and if the capacitive button 12 is not qualified, the indicator light is not on. In this embodiment, the indicator light is in a non-lighting state by default, and when the user touches the touch portion 122 of the capacitive button 12, and if the capacitive button 12 is qualified, the capacitive IC board 3 detects a touch signal of the capacitive button 12, and the indicator 5 is lit; if the capacitive button 12 is not qualified, the capacitive IC board 3 cannot detect the touch signal of the capacitive button 12, and the indicator light remains unlit at this time.
In another embodiment, the indicator 5 may not be an indicator light, and the indicator 5 may also be a speaker or other forms, and may give out a sound prompt of pass/fail, and may be flexibly set as required, which is not limited herein.
Preferably, as shown in fig. 1, the elevation driving mechanism 6 includes an elevation driving source 61 and a cross bar 62, the elevation driving source 61 is connected with the base plate 1, the cross bar 62 is disposed parallel to the base plate 1, one end of the cross bar 62 is connected with an output end of the elevation driving source 61, and the probe 2 is connected with the other end of the cross bar 62. When testing the capacitor key 12, the main board 4 controls the lifting driving source 61 to make the output end of the lifting driving source 61 drive the cross rod 62 to descend, and the cross rod 62 drives the probe 2 to descend, so that the probe 2 is pressed against the gold finger 121 of the capacitor key 12. Through setting up horizontal pole 62, can keep away from lift driving source 61 with the electric capacity button 12 that awaits measuring, avoid lift driving source 61 in the in-process of going up and down to collide with electric capacity button 12 to influence the test result. In the present embodiment, the elevating driving source 61 is a cylinder. In other embodiments, the lifting driving source 61 may not be an air cylinder, and may be flexibly disposed according to needs, which is not limited herein. Specifically, in this embodiment, lift actuating mechanism 6 still includes the riser, and the riser is connected with bottom plate 1, and the cylinder is installed on the riser along vertical direction for cylinder output carries out reciprocating motion along vertical direction. Cross bar 62 is connected with the cylinder output, thereby the cylinder carries out reciprocating motion along vertical direction and drives cross bar 62 and go up and down, and then drives probe 2 and go up and down.
Preferably, as shown in fig. 1, the capacitive button testing apparatus further includes an on/off switch 8, a test key 9, and a reset key 10, where the on/off switch 8, the test key 9, and the reset key 10 are all electrically connected to the motherboard 4 and are all disposed on the bottom plate 1. The on-off key 8 is electrically connected with the main board 4, so that the capacitor IC board 3 and the lifting driving mechanism 6 are electrically connected, and the on-off key 8 can control the capacitor key testing device to be powered on. The test key 9 is electrically connected with the main board 4, so that the lifting driving mechanism 6 is electrically connected, and the lifting driving mechanism 6 can be controlled to drive the probe 2 to descend. The reset key 10 is electrically connected with the main board 4, so as to electrically connect with the lifting driving mechanism 6, and further control the lifting driving mechanism 6 to drive the probe 2 to ascend.
Specifically, when the capacitive button 12 is tested, the switch key 8 is pressed first, so that the capacitive button testing device is powered on, the test key 9 is pressed, the main board 4 controls the lifting driving mechanism 6 to drive the probe 2 to descend and abut against the gold finger 121 of the capacitive button 12, and at this time, the finger can be touched on the touch part 122 of the capacitive button 12 to test whether the capacitive button 12 is qualified. After the test is finished, the reset key 10 is pressed, the main board 4 controls the lifting driving mechanism 6 to drive the probe 2 to ascend so as to be away from the capacitor key 12, and at the moment, the tested capacitor key 12 can be taken out. In addition, if the capacitive button test apparatus needs to be stopped urgently during the test, the capacitive button test apparatus can be stopped urgently by pressing the reset key 10.
Preferably, as shown in fig. 1, the capacitive button testing apparatus further includes four supporting members 11, and the four supporting members 11 are disposed at four corners of the bottom plate 1, so that the bottom plate 1 is supported, so that both the capacitive IC board 3 and the main board 4 can be mounted below the bottom plate 1, and the lifting driving mechanism 6 and the capacitive button 12 do not collide with the capacitive IC board 3 and the main board 4 during the testing process. In other embodiments, the number of the supporting members 11 may not be four, or the supporting members 11 may also be a continuous ring-shaped member, which is flexibly configured according to the requirement, and is not limited herein.
Preferably, as shown in fig. 2, the capacitive button testing device further comprises a positioning component 7, and the positioning component 7 is arranged on the bottom plate 1 to position the capacitive button 12 to be tested. Specifically, the positioning assembly 7 includes a first positioning element 71, a second positioning element 72 and a third positioning element 73, the first positioning element 71, the second positioning element 72 and the third positioning element 73 are commonly surrounded to form a U-shaped groove, so that the capacitor key 12 is limited in the U-shaped groove to position the capacitor key 12, and the gold finger 121 of the capacitor key 12 corresponds to the probe 2 up and down.
Preferably, in this embodiment, as shown in fig. 2 and 3, the positioning assembly 7 further includes a supporting plate 74, the supporting plate 74 is disposed on the bottom plate 1, and the first positioning member 71, the second positioning member 72 and the third positioning member 73 are disposed on the supporting plate 74. Furthermore, the supporting plate 74 is detachably arranged on the bottom plate 1, and when the capacitive keys 12 of other models need to be tested, the supporting plate 74 is detached, so that the whole positioning assembly 7 is detached, and the positioning assembly 7 suitable for the appearance of the capacitive keys 12 of other models is replaced. Alternatively, the support plate 74 may be detachably connected to the base plate 1 by a fastener such as a bolt.
In other embodiments, the first positioning member 71, the second positioning member 72, and the third positioning member 73 are detachably mounted on the supporting plate 74. When the capacitor keys 12 of other models need to be tested, the whole positioning assembly 7 is not detached, but only the first positioning element 71, the second positioning element 72 and the third positioning element 73 are detached, and the capacitor keys 12 are enclosed into a U-shaped groove suitable for the appearance of the capacitor keys 12 and are mounted on the supporting plate 74. In this embodiment, the first positioning element 71, the second positioning element 72 and the third positioning element 73 are all made of a single-sided sticky plastic material, so that the first positioning element 71, the second positioning element 72 and the third positioning element 73 are all detachably mounted on the supporting plate 74. In other embodiments, the first positioning element 71, the second positioning element 72, and the third positioning element 73 may not be a single-sided sticky plastic part, and may be flexibly disposed as needed, which is not limited herein.
Obviously, the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and for those skilled in the art, there are variations on the specific embodiments and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A capacitive button testing device, comprising:
the bottom plate (1), the bottom plate (1) is used for placing a capacitor key (12) to be tested;
a probe (2) and a capacitive IC plate (3), the probe (2) being electrically connected to the capacitive IC plate (3);
the lifting driving mechanism (6) can drive the probe (2) to descend and abut against a golden finger (121) of the capacitor key (12) so that the capacitor IC board (3) can detect whether the capacitor key (12) is qualified or not;
the indicating piece (5), indicating piece (5) with electric connection of electric capacity IC board (3), indicating piece (5) can send corresponding instruction signal according to the test result of electric capacity IC board (3).
2. The capacitive button testing device according to claim 1, wherein the indicator (5) is an indicator light, which is capable of displaying a first color when the capacitive button (12) is acceptable and another color when the capacitive button (12) is unacceptable; or
The indicator light can be lightened when the capacitor key (12) is qualified.
3. The capacitive button testing device according to claim 1, wherein the lifting driving mechanism (6) comprises a lifting driving source (61) and a cross bar (62), the lifting driving source (61) is connected with the bottom plate (1), the cross bar (62) is arranged in parallel with the bottom plate (1), one end of the cross bar (62) is connected with the output end of the lifting driving source (61), and the probe (2) is connected with the other end of the cross bar (62).
4. The capacitive button testing device according to claim 1, further comprising a positioning assembly (7), wherein the positioning assembly (7) is disposed on the bottom plate (1), and the positioning assembly (7) is configured to position the capacitive button (12).
5. Capacitive button testing device according to claim 4, wherein the positioning element (7) is detachably connected to the base plate (1).
6. The capacitive button testing device according to claim 5, wherein the positioning assembly (7) comprises a first positioning member (71), a second positioning member (72) and a third positioning member (73), the first positioning member (71), the second positioning member (72) and the third positioning member (73) jointly enclose a U-shaped groove, and the capacitive button (12) can be limited in the U-shaped groove.
7. The capacitive button testing device according to any one of claims 1-6, further comprising an on-off switch (8), wherein the on-off switch (8) is disposed on the bottom plate (1), the on-off switch (8) is electrically connected to the capacitive IC board (3), the lifting driving mechanism (6), and the indicator (5), respectively, and the on-off switch (8) is configured to power up the capacitive button testing device.
8. The capacitive button testing device according to any one of claims 1-6, further comprising a test key (9), wherein the test key (9) is electrically connected to the elevating drive mechanism (6), and wherein the test key (9) is configured to cause the elevating drive mechanism (6) to drive the probe (2) to descend.
9. The capacitive button testing device according to any one of claims 1-6, further comprising a reset key (10), wherein the reset key (10) is electrically connected to the lifting driving mechanism (6), and the reset key (10) is configured to enable the lifting driving mechanism (6) to drive the probe (2) to ascend.
10. The capacitive button testing device according to any one of claims 1-6, further comprising a plurality of support members (11), wherein a plurality of support members (11) are supported at a lower end of the bottom plate (1), and the capacitive IC board (3) is disposed below the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221948431.7U CN218383186U (en) | 2022-07-27 | 2022-07-27 | Capacitor key testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221948431.7U CN218383186U (en) | 2022-07-27 | 2022-07-27 | Capacitor key testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218383186U true CN218383186U (en) | 2023-01-24 |
Family
ID=84962901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221948431.7U Active CN218383186U (en) | 2022-07-27 | 2022-07-27 | Capacitor key testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218383186U (en) |
-
2022
- 2022-07-27 CN CN202221948431.7U patent/CN218383186U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101881810B (en) | New key board automatic test equipment and test circuit thereof | |
| CN104777417A (en) | Modular PCB testing jig | |
| CN106324532A (en) | Test machine for LED driving power sources | |
| CN213181823U (en) | Touch-sensitive screen test module and test fixture | |
| KR101111443B1 (en) | Jig apparatus for inspecting hybrid input module | |
| KR101154330B1 (en) | Jig apparatus for inspecting touch sensor module ajig apparatus for inspecting touch sensor module and inspecting method using same nd inspecting method using same | |
| CN218383186U (en) | Capacitor key testing device | |
| CN104236445B (en) | Detection instrument and the detection method using detection tool detection Inward deflection degree | |
| CN108572317A (en) | A kind of automobile lamp soft-touch control life tests tooling | |
| CN216870698U (en) | Circuit PCB integrated circuit board testing arrangement | |
| CN100573157C (en) | The PC board checking device | |
| CN218122183U (en) | Pressure intelligence integrated circuit board testing arrangement | |
| CN212624742U (en) | Liquid crystal display quick test machine | |
| CN220340346U (en) | Flexible line way board touch function detects frock | |
| CN206818839U (en) | Veneer detection means | |
| CN210863943U (en) | Air conditioner display panel testing arrangement and air conditioner display panel | |
| CN210004944U (en) | Electric detection device for keyboard metal substrate | |
| CN210924554U (en) | Equipment for automatically testing touch product | |
| CN206892277U (en) | A kind of automobile lamp soft-touch control life tests frock | |
| CN220455473U (en) | Multicolor touch keypad testing arrangement | |
| CN218848624U (en) | Hand controller automated inspection frock | |
| CN219496586U (en) | FCT electric automatization detects frock | |
| CN204496017U (en) | The efficient high accurancy and precision product fool proof that presses detects tool and device thereof | |
| CN212622881U (en) | Dormancy testing device and testing equipment for sweeping robot | |
| CN219695176U (en) | Device for detecting sensitivity of touch key |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |