CN208754501U - A kind of earphone charging box - Google Patents

A kind of earphone charging box Download PDF

Info

Publication number
CN208754501U
CN208754501U CN201821374211.1U CN201821374211U CN208754501U CN 208754501 U CN208754501 U CN 208754501U CN 201821374211 U CN201821374211 U CN 201821374211U CN 208754501 U CN208754501 U CN 208754501U
Authority
CN
China
Prior art keywords
snap
gauge
charging box
earphone charging
keying body
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
Application number
CN201821374211.1U
Other languages
Chinese (zh)
Inventor
褚衍栋
巩强龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Techology Co Ltd
Original Assignee
Goertek Techology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Goertek Techology Co Ltd filed Critical Goertek Techology Co Ltd
Priority to CN201821374211.1U priority Critical patent/CN208754501U/en
Application granted granted Critical
Publication of CN208754501U publication Critical patent/CN208754501U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Telephone Set Structure (AREA)

Abstract

This application discloses a kind of earphone charging boxes, comprising: the press button mechanism on earphone charging box is arranged in, press button mechanism includes: keying body;It connect with keying body, and moves under its promotion so that the snap-gauge that upper cover can be opened;It is connect with keying body and/or snap-gauge, with the elastic component for driving it to reset;The sensor that keying body is detected;It is electrically connected with sensor, and the controller of earphone and electronic device information interaction can be controlled.Above-mentioned earphone charging box, it can be realized as opening two kinds of functions of upper cover and information exchange by a set of press button mechanism, without two sets of press button mechanisms are arranged again, the setting quantity of key is enabled to be reduced, simplify the structure of earphone charging box, enable the operation of user also easier, simultaneously because snap-gauge is to unlock by mobile non-deformed realization to upper cover, so its working life that can also extend press button mechanism.

Description

A kind of earphone charging box
Technical field
The utility model relates to technical field of electronic equipment, in particular to a kind of earphone charging box.
Background technique
In recent years, more convenient due to carrying and using, so wireless headset increasingly has been favored by people.Currently, Wireless headset be typically all charged using earphone charging box to it, be provided on earphone charging box pairing key and open by Key is needed when user uses earphone first by pairing key, so that the pairing of the electronic equipments such as earphone and mobile phone connects, then again By key is opened, earphone charging box is opened, the earphone of charging complete is taken out into use from earphone charging box.
But the earphone charging box of above structure, due to being provided with pairing key, opening multiple keys such as key, not only Enable the structure of earphone charging box complex, it is also necessary to which user carries out multiple button operation for different keys, causes to operate Process is also relatively complicated.
In addition, the hook on earphone charging box with unlatching key cooperation, is by itself flexible deformation occurring after stress Realize what earphone charging box was opened, not only deformation space is small but also fatiguability, and working life is difficult to meet earphone charging box Requirement.
Utility model content
In view of this, the present invention provides a kind of earphone charging box, can be realized by same key pairing and Open function simplifies the structure of earphone charging box, while it can also extend so that the setting quantity of key be enabled to be reduced The working life of press button mechanism.
In order to achieve the above object, the utility model provides the following technical solutions:
A kind of earphone charging box, comprising:
Press button mechanism on the box body of the earphone charging box is set, and the press button mechanism includes: keying body;With institute Keying body connection is stated, and is moved under the promotion of the keying body so that the snap-gauge that the upper cover of the box body can be opened; It is connect with the keying body and/or the snap-gauge, with the elastic component for driving the keying body and/or the snap-gauge to reset;
The sensor that the keying body is detected;
It is electrically connected with the sensor, and the controller of earphone and electronic device information interaction can be controlled.
It preferably, further include being arranged on the box body, to show the earphone charging box in above-mentioned earphone charging box The display unit of electricity, the display unit are electrically connected with the controller.
Preferably, in above-mentioned earphone charging box, the display unit is bright for that can adjust under the control of the controller The display lamp of degree.
Preferably, in above-mentioned earphone charging box, the elastic component is to connect with the snap-gauge, and it is separate to be located at the snap-gauge Foam, spring or the elastic slice of the keying body side.
Preferably, in above-mentioned earphone charging box, the box body includes the cavity of the upper cover and containment device, the snap-gauge It is connected on the inner wall of the cavity with the elastic component by mounting base.
Preferably, it in above-mentioned earphone charging box, is provided on the snap-gauge and the mounting base and the snap-gauge is led To guide frame, the guide frame includes:
The guide through hole being provided on the snap-gauge;
It is arranged in the mounting base, and passes through the guide post of the guide through hole.
Preferably, in above-mentioned earphone charging box, further include being arranged in the mounting base, the snap-gauge can be hindered Keep off the block piece to prevent the guide post from deviating from from the guide through hole.
Preferably, in above-mentioned earphone charging box, it is provided with buckle on the inner wall of the cavity, is offered in the mounting base Card slot, the mounting base are connect by the clamping of the buckle and the card slot with the cavity.
Preferably, in above-mentioned earphone charging box, the key through-hole passed through by the keying body is offered on the cavity, And the flexible filling member of setting in the key through-hole, the keying body pass through the elastic filling member.
Preferably, it in above-mentioned earphone charging box, is provided between the keying body and the snap-gauge and is acted on for transmitting The transmission parts of power.
Earphone charging box provided by the utility model, by pressing keys ontology, so that it pushes clamp moving, it will be able to Enable the upper cover of snap-gauge no longer clamping box body, and then enable upper cover that can open, and after removing pressing force, keying body and/or Snap-gauge can reset under the promotion of elastic component.Since sensor can detect the movement of keying body, so upper During stating pressing, while keying body is pressed, the movable signal that sensor can will test is sent in controller, When keying body is pressed mobile again after resetting, movable signal can be sent in controller by sensor again, if control The time interval that device receives movable signal twice is less than preset value, then controller control earphone and electronic equipment carry out information friendship Mutual operation.Earphone charging box provided by the present application, can be realized as by a set of press button mechanism it can be seen from the above process It opens two kinds of functions of upper cover and information exchange and enables the setting quantity of key be subtracted without two sets of press button mechanisms are arranged again It is few, the structure of earphone charging box is simplified, enables the operation of user also easier, simultaneously because snap-gauge is by mobile rather than change Shape realization unlocks upper cover, so its working life that can also extend press button mechanism.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the appearance diagram of earphone charging box provided by the embodiment of the utility model;
Fig. 2 is the lateral sectional view of earphone charging box;
Fig. 3 is the exploded view of earphone charging box;
Fig. 4 is the top cross-sectional view of press button mechanism;
Fig. 5 is the structural schematic diagram that mounting base, snap-gauge, key PCB and key potentiometer cooperate;
Fig. 6 is the structural schematic diagram of display device and cavity cooperation;
Fig. 7 is that press button mechanism is mounted on the structural schematic diagram on the inner surface on cavity.
In Fig. 1-Fig. 7:
1- keying body, 2- snap-gauge, 3- elastic component, 4- upper cover, 5- cavity, 6- display unit, 7- mounting base, 8- guiding Column, 9- block piece, 10- buckle, 11- card slot, 12- elasticity filling member, 13- circlip, 14- key hook, 15- key potentiometer, 16- key PCB.
Specific embodiment
The utility model provides a kind of earphone charging box, can realize pairing and open function by same key, To enable the setting quantity of key be reduced, the structure of earphone charging box is simplified, while it can also extend press button mechanism Working life.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Fig. 1-Fig. 7, earphone charging box provided by the embodiment of the utility model, for containing wireless headset and to nothing Line earphone charges, and mainly includes press button mechanism, sensor (not shown) and controller (not shown), In, press button mechanism includes keying body 1, snap-gauge 2 and elastic component 3 again.Snap-gauge 2 is connect with keying body 1, when user's pressing keys When ontology 1, snap-gauge 2 moves under the promotion of keying body 1, so that the 4 (ear of upper cover of the no longer clamping box body of the hook on snap-gauge 2 The box body of machine charging box includes having the cavity 5 of accommodation space and blocking the upper cover 4 that cavity 5 is open) so that upper cover 4 can be The opening of earphone charging box is bounced and realized under the action of circlip 13, elastic component 3 is connect with keying body 1 and/or snap-gauge 2, with For driving keying body 1 and/or snap-gauge 2 to reset, and the effect of sensor is detected to the movement of keying body 1, The controller being electrically connected with sensor then can control earphone according to the detection signal of sensor and electronic equipment carries out information friendship Mutually, the particular content of the information exchange, can be for by bluetooth connection earphone and electronic equipment, i.e. earphone and electronic equipment is matched It is right, or the exchange etc. of the two information.
In above structure, the unlatching of earphone charging box, can by big stroke (in other words energetically) pressing keys ontology 1, So that snap-gauge 2 is mobile and releases the clamping to upper cover 4, and earphone and the detailed process of electronic equipment pairing then can be with are as follows: small row Journey (small power in other words) pressing keys ontology 1, enables the sensor to the movement for detecting keying body 1, and will test Movable signal is sent in controller, and after removing pressing force, elastic component 3 drives keying body 1 to reset, and small stroke is pressed again later Keying body 1 is pressed, so that sensor detects that keying body 1 is sent to unidirectional movement, and by movable signal again In controller, controller obtains the interval duration of the movable signal received twice, if the interval duration is greater than in controller Preset duration, then controller is without matching operation, if the interval duration is less than preset duration, controller controls earphone Matching operation is carried out with electronic equipment.During above-mentioned pairing, since keying body 1 is only that small stroke is mobile, so upper cover 4 is not It can be opened under the driving of keying body 1.
In addition, in the above process, the detection parameters of sensor, other than the interval duration for movable signal twice, also It can be the stroke size (detecting to obtain by sensor) of keying body 1, i.e. the small stroke of keying body 1 is mobile, then controller It controls earphone and electronic equipment carries out matching operation, the big stroke of keying body 1 is mobile, then controller does not control earphone and electronics is set It is standby to carry out matching operation, but keying body 1 passes through the mobile unlock realized to upper cover 4 of big stroke.In addition, controller judgement according to According to the duration that can also be Continued depression keying body 1, such as when short time pressing keys ontology 1, only realize the solution to upper cover 4 Lock, controller does not control earphone and electronic equipment carries out matching operation, (namely senses when long-time pressing keys ontology 1 When device detects that keying body 1 does not reset for a long time), i.e., when pressing duration is greater than the preset duration of controller, then locked in solution Controller control earphone and electronic equipment is enabled to carry out matching operation while lid 4.
In above-mentioned multiple control modes, big stroke pressing keys ontology 1 and small stroke pressing keys ontology 1 have been related to it Operation, among these, when big stroke pressing keys ontology 1 is opened with to want to achieve the purpose that upper cover 4 but when without pairing, The initial stage of big stroke pressing herein will necessarily undergo the process of one section small stroke pressing, so that there are earphones and electronics to set There is (because the pressing of small stroke can trigger matching operation) in standby situation about mismatching pair, in order to avoid the appearance of such case, In the present embodiment, in small stroke pressing keys ontology 1 to carry out with clock synchronization, enabling operating process further includes keying body 1 in small row The final position of journey stays for some time, i.e. the small stroke of first pressing keys ontology 1 is mobile, when keying body 1 is moved to small stroke Final position when, persistently to keying body 1 exert a force so that keying body 1 stays for some time in the position, only work as stroke When distance and residence time all reach preset numerical value in controller, controller just controls earphone and electronic equipment is matched Operation.And during big stroke movement, keying body 1 does not stop in the final position of small stroke, so pairing will not be triggered Operation.
In addition, further including being arranged on box body as shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 6, in the present embodiment, to show earphone The display unit 6 of charging box electricity, the display unit 6 are electrically connected with the controller.That is, earphone charging box provided in this embodiment, It is realized other than unlatching and matching function except through same set of press button mechanism, also enables it that there is the more multi-functional of display electricity, and And the realization of the function, and realized and being operated to keying body 1, specifically, the process that the function is realized are as follows: After small stroke (small power in other words) pressing keys ontology 1, when sensor detects that keying body 1 is extensive under the driving of elastic component 3 It is multiple to it is in situ when, then send the reset signal detected to controller, enable the controller to control according to the reset signal aobvious Show that component 6 is shown;Alternatively, long-time pressing keys ontology 1 is to enable keying body 1 not multiple in the preset duration of controller Position, then controller control display unit 6 is shown.
Preferably, display unit 6 is the display lamp that can adjust brightness under the control of the controller, such as Fig. 1 and Fig. 6 institute Show.Such display device structure is simple, small in size, convenient for being installed on earphone charging box, so as this implementation The preferred embodiment of example.In addition, display unit 6 can also be other kinds of component or be arranged by other means, such as enable aobvious Showing device remains as display lamp, but quantity be it is multiple, light the difference of quantity, by controlling display lamp to show different electricity Amount, or even can also enable display unit 6 is display screen, directly shows electricity on a display screen by digital.
In the present embodiment, elastic component 3 is to connect with snap-gauge 2, and be located at foam, bullet of the snap-gauge 2 far from 1 side of keying body Spring or elastic slice, more preferably foam, as shown in figs 2-4.The elastic component 3 of such setting drives 2 He of snap-gauge by compression elasticity Keying body 1 is mobile, is conducive to the setting and mutual cooperation of snap-gauge 2, keying body 1 on earphone charging box.And why It is preferred that elastic component 3 be foam, be because its with it is flexible, light-weight, quickly pressure-sensitive fixation, it is easy to use, bending freely, body Many advantages, such as product ultra-thin, reliable performance, enable press button mechanism that can preferably adapt to the installation environment of earphone charging box, and enable it Functional reliability is higher.Further, since the self-characteristic of foam, user is in small stroke (small power in other words) pressing keys ontology 1 When, i.e., when pressing force is less than the compressing force of foam, keying body 1 quickly can be recoiled to original position by foam, to guarantee pairing behaviour Make and electricity display operation is rapidly completed, and when the big stroke of user (in other words energetically) pressing keys ontology 1, pressing at this time Pressure is then greater than the compressing force of foam, so that foam can not quickly be sprung back after being compressed, so that the opening for upper cover 4 provides foot The enough time is continuously applied pressing force without user, and the user experience is improved.
It, can be of short duration application pressing force and by way of being continuously applied pressing force when elastic component 3 is spring or elastic slice Complete above-mentioned different operating process.
As shown in Fig. 1-Fig. 7, box body includes the cavity 5 of upper cover 4 and containment device, and snap-gauge 2 and elastic component 3 pass through mounting base 7 are connected on the inner wall of cavity 5.By package snap-gauge 2, (there is snap-gauge 2 one end of hook to extend out to outside mounting base 7, such as Fig. 2 It is shown), the mounting base 7 of elastic component 3 and keying body 1 press button mechanism is mounted on the inner wall of cavity 5, can preferably guarantee The functional reliability and connectivity robustness of keying body 1.
It is further preferred that the guide frame being oriented to mobile snap-gauge 2 is provided in snap-gauge 2 and mounting base 7, it should Guide frame includes: the guide through hole being provided on snap-gauge 2;It is arranged in mounting base 7, and passes through elastic component 3 and guide through hole Guide post 8.Wherein, guide through hole and guide post 8 are multiple, and correspond cooperation.When user's pressing keys ontology 1 and When making its medial movement to cavity 5, the synchronizing moving under the promotion of keying body 1 of snap-gauge 2, since guide post 8 passes through snap-gauge 2 On guide through hole, so snap-gauge 2 can steadily be moved along the extending direction of guide post 8, so enable hook on snap-gauge 2 with it is upper Lid 4 is detached from.The setting of guide frame improves the functional reliability of press button mechanism.
More preferred, the present embodiment further includes being arranged in mounting base 7, can be stopped to snap-gauge 2 to prevent from leading The block piece 9 deviate from from guide through hole to column 8, as shown in Figure 5.The block piece 9 for stopping snap-gauge 2 is set, can be avoided snap-gauge 2 Unexpectedly deviate from from mounting base 7 in the process of moving, further improves the functional reliability of press button mechanism.
Specifically, being provided with buckle 10 on the inner wall of cavity 5, card slot 11 is offered in mounting base 7, mounting base 7 passes through card The clamping of button 10 and card slot 11 is connect with cavity 5, as shown in Figure 4-Figure 7.Mounting base 7 and the connection type of cavity 5 can have more Kind selection, the present embodiment are because such connection type is easy to disassemble, and connects reliably why preferably by the way of clamping Property is higher.
The key through-hole passed through by keying body 1, and the flexible filling member of setting in key through-hole are offered on cavity 5 12, keying body 1 passes through elastic filling member 12, as shown in Figure 4.Elastic filling member 12 is set, keying body 1 can be prevented in chamber Shaking on body 5 improves the compactedness and reliability of structure.Preferably, the material of the elasticity filling member 12 is foam.Because What foam had many advantages, such as to be previously mentioned, can preferably with 1 cooperating of keying body, so as preferred.
In addition, keying body 1, which is extend on one end of 5 inside of cavity, is provided with key hook 14, as shown in Figure 4 and Figure 6, Its inner wall that can catch on cavity 5, deviates from from key through-hole to avoid keying body 1.
As Figure 2-Figure 5, the transmission parts for transmitting forces are provided between keying body 1 and snap-gauge 2, specifically , which can be stacked key potentiometer 15 and key PCB16.Transmission parts are set, can be further increased The structural compactness and job stability of press button mechanism, and transmission parts are preferably key potentiometer 15 and key PCB16, be because For its be production in common part be conducive to the realization of technical solution convenient for gathering materials on the spot.
Each part is described in a progressive manner in this specification, what the structure of each part stressed is With the difference of existing structure, the entirety and part-structure of earphone charging box can pass through the structure of the above-mentioned multiple portions of combination It obtains.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (10)

1. a kind of earphone charging box characterized by comprising
Press button mechanism on the box body of the earphone charging box is set, and the press button mechanism includes: keying body;It is pressed with described The connection of key ontology, and move under the promotion of the keying body so that the snap-gauge that the upper cover of the box body can be opened;With institute Keying body and/or snap-gauge connection are stated, with the elastic component for driving the keying body and/or the snap-gauge to reset;
The sensor that the keying body is detected;
It is electrically connected with the sensor, and the controller of earphone and electronic device information interaction can be controlled.
2. earphone charging box according to claim 1, which is characterized in that further include being arranged on the box body, to aobvious Show that the display unit of the earphone charging box electricity, the display unit are electrically connected with the controller.
3. earphone charging box according to claim 2, which is characterized in that the display unit is the control in the controller The lower display lamp that can adjust brightness of system.
4. earphone charging box according to claim 1, which is characterized in that the elastic component be connect with the snap-gauge, and Foam, spring or elastic slice positioned at the snap-gauge far from the keying body side.
5. earphone charging box according to claim 1, which is characterized in that the box body includes the upper cover and containment device Cavity, the snap-gauge and the elastic component are connected on the inner wall of the cavity by mounting base.
6. earphone charging box according to claim 5, which is characterized in that be provided on the snap-gauge and the mounting base pair The guide frame that the snap-gauge is oriented to, the guide frame include:
The guide through hole being provided on the snap-gauge;
It is arranged in the mounting base, and passes through the guide post of the guide through hole.
7. earphone charging box according to claim 6, which is characterized in that it further include being arranged in the mounting base, it can Stopped the block piece to prevent the guide post from deviating from from the guide through hole to the snap-gauge.
8. earphone charging box according to claim 5, which is characterized in that be provided with buckle, institute on the inner wall of the cavity It states and offers card slot in mounting base, the mounting base is connect by the clamping of the buckle and the card slot with the cavity.
9. earphone charging box according to claim 5, which is characterized in that offered on the cavity by the keying body The key through-hole passed through, and the flexible filling member of setting in the key through-hole, the keying body pass through the elasticity and fill out Fill part.
10. earphone charging box described in any one of -9 according to claim 1, which is characterized in that the keying body and institute State the transmission parts being provided between snap-gauge for transmitting forces.
CN201821374211.1U 2018-08-23 2018-08-23 A kind of earphone charging box Active CN208754501U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821374211.1U CN208754501U (en) 2018-08-23 2018-08-23 A kind of earphone charging box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821374211.1U CN208754501U (en) 2018-08-23 2018-08-23 A kind of earphone charging box

Publications (1)

Publication Number Publication Date
CN208754501U true CN208754501U (en) 2019-04-16

Family

ID=66081074

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821374211.1U Active CN208754501U (en) 2018-08-23 2018-08-23 A kind of earphone charging box

Country Status (1)

Country Link
CN (1) CN208754501U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108777828A (en) * 2018-08-23 2018-11-09 歌尔科技有限公司 A kind of earphone charging box and its working method
CN112653958A (en) * 2019-10-11 2021-04-13 Oppo广东移动通信有限公司 Earphone box, earphone device and mobile terminal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108777828A (en) * 2018-08-23 2018-11-09 歌尔科技有限公司 A kind of earphone charging box and its working method
CN108777828B (en) * 2018-08-23 2024-02-06 歌尔科技有限公司 Earphone charging box and working method thereof
CN112653958A (en) * 2019-10-11 2021-04-13 Oppo广东移动通信有限公司 Earphone box, earphone device and mobile terminal

Similar Documents

Publication Publication Date Title
CN108777828A (en) A kind of earphone charging box and its working method
CN208754501U (en) A kind of earphone charging box
KR20110022387A (en) Mobile terminal
CN105208920B (en) A kind of ancillary equipment is used to have the advantages that the other equipment of multimedia, health with the basic equipment of movement pattern or convenient for additional ancillary devices
CN109474789A (en) The field angle method of adjustment and mobile terminal of light compensating lamp
WO2017156912A1 (en) Mobile communication device also having walkie-talkie functionality
CN111042659A (en) Control system and control method of electronic seal lock
CN207782035U (en) The locking device and terminal of BTB connectors
CN103068194B (en) Electronic equipment outer shell
CN212569884U (en) Automatic unlocking portable machine
CN210116146U (en) Mould counter
CN211906442U (en) Intelligent sound box
CN109962998A (en) Functional unit, electronic device and its control method
CN112863127A (en) Call for help alarm system
CN208860199U (en) Gun off-location device
CN208256545U (en) A kind of self-resetting button switch of long overtravel
CN210871595U (en) Floodlight intelligent buckle
CN208864133U (en) A kind of safety lock structure and handheld blender
CN110081296A (en) A kind of wearable device and its locking device
CN207166183U (en) A kind of cradle
CN212466899U (en) Fire extinguisher unit
CN219436974U (en) Wireless doorbell emitter
CN208868000U (en) Automobile remote controllers
CN201118669Y (en) Buckle dialing Bluetooth mobile phone
CN218479668U (en) Lock panel

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant