CN113115149A - Volume adjusting method, device, equipment and earphone - Google Patents
Volume adjusting method, device, equipment and earphone Download PDFInfo
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- CN113115149A CN113115149A CN202110228604.1A CN202110228604A CN113115149A CN 113115149 A CN113115149 A CN 113115149A CN 202110228604 A CN202110228604 A CN 202110228604A CN 113115149 A CN113115149 A CN 113115149A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004590 computer program Methods 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000006872 improvement Effects 0.000 description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- Acoustics & Sound (AREA)
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Abstract
The invention discloses a volume adjusting method, which comprises the following steps: when the sliding operation on the adjusting circuit is detected, respectively acquiring the contact information at the previous moment and the contact information at the current moment of a sliding termination point corresponding to the sliding operation; and adjusting the current volume according to the previous moment contact information and the current moment contact information. The embodiment of the invention also discloses a volume adjusting device, volume adjusting equipment and an earphone, which can effectively solve the problem that in the prior art, as the key circuit adjusts the volume through point contact, the situation of mistaken contact often occurs.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a volume adjusting method, device, apparatus, and earphone.
Background
At present, wireless earphones are becoming more popular, and especially wireless single-ear earphone is getting water like fish in the application scene of business. The portable electric scooter is characterized by being small and portable, having advantages and disadvantages, and simultaneously limiting the control mode by the small body. The single-ear microphone hanging part in the market at present supports the adjustment of the volume through keys.
The volume is adjusted by pressing the key, a pressing type key circuit is added in a limited space, the occupied hardware space is relatively large, and the volume is adjusted by the key circuit through point contact, so that the condition of mistaken contact often occurs.
Disclosure of Invention
The embodiment of the invention provides a volume adjusting method, a volume adjusting device, volume adjusting equipment and an earphone, which can effectively solve the problem that in the prior art, as a key circuit adjusts the volume through point contact, the situation of mistaken contact often occurs.
An embodiment of the present invention provides a method for adjusting a volume, including:
when the sliding operation on the adjusting circuit is detected, respectively acquiring the contact information at the last moment of a sliding starting point corresponding to the sliding operation and the contact information at the current moment of a sliding ending point corresponding to the sliding operation;
and adjusting the current volume according to the previous moment contact information and the current moment contact information.
As an improvement of the above scheme, the method detects that there is a sliding operation on the adjusting circuit by the following steps, and specifically includes:
and when the contact value of the regulating circuit is judged to be continuously changed, the sliding operation exists on the regulating circuit.
As an improvement of the above solution, the previous time contact information includes: last moment contact value and last trigger time, the contact information of present moment includes: the current time contact value and the current trigger time.
As an improvement of the above scheme, the adjusting the current volume according to the previous time contact information and the current time contact information specifically includes:
determining a sliding direction corresponding to the sliding operation according to the contact value at the previous moment and the contact value at the current moment;
and adjusting the current volume according to the previous moment contact value, the current moment contact value and the sliding direction.
As an improvement of the above scheme, the adjusting the current volume according to the previous time contact information and the current time contact information further includes:
determining a sliding distance corresponding to the sliding operation according to the contact value at the previous moment and the contact value at the current moment;
determining a corresponding sliding speed according to the sliding distance, the previous trigger time and the current trigger time;
and adjusting the current volume according to the sliding distance, the sliding speed and the sliding direction.
As an improvement of the above scheme, the method further comprises:
and when the contact information at the previous moment does not exist, recording the current contact information.
Another embodiment of the present invention correspondingly provides a volume adjusting device, including:
the acquisition module is used for respectively acquiring the contact information at the previous moment of a sliding starting point corresponding to the sliding operation and the contact information at the current moment of a sliding ending point corresponding to the sliding operation after the sliding operation on the adjusting circuit is detected;
and the adjusting module is used for adjusting the current volume according to the contact information at the previous moment and the contact information at the current moment.
Another embodiment of the present invention provides a volume adjusting apparatus, including: adjusting circuit, processor, memory and computer program stored in the memory and configured to be executed by the processor, the processor implementing the method of adjusting volume according to the above-described embodiment of the invention when executing the computer program;
the processor is connected with the regulating circuit and the memory respectively.
As an improvement of the above aspect, the adjustment circuit includes: a plurality of capacitors arranged in series.
Another embodiment of the present invention provides an earphone including: the volume adjusting device according to the embodiment of the invention.
Compared with the prior art, the volume adjusting method, the device, the equipment and the earphone disclosed by the embodiment of the invention have the advantages that the current volume is adjusted according to the contact information at the last moment and the contact information at the current moment after the sliding operation is detected, a key circuit is not required to be added, the condition of mistakenly touching during volume adjustment can be avoided, and the volume adjustment is more accurate. Meanwhile, the volume required by the user can be adjusted by only one operation, so that the volume adjusting efficiency is higher, and the user experience is improved.
Drawings
Fig. 1 is a schematic flow chart of a volume adjusting method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a device for adjusting a volume of a point, according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a volume adjustment device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a regulating circuit according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of a volume adjusting method according to an embodiment of the present invention.
An embodiment of the present invention provides a method for adjusting a volume, including:
s10, when it is detected that there is a sliding operation on the adjusting circuit 13, respectively acquiring the previous time contact point information of the sliding start point corresponding to the sliding operation and the current time contact point information of the sliding end point corresponding to the sliding operation.
It should be noted that the execution end in the embodiment of the present invention is preferably a volume adjusting device, and may also be a cloud server, which is not limited herein. The sliding operation may be a multi-point touch operation, for example, a user presses a finger to move the finger in any direction without lifting the finger, and lifts the finger after moving the finger, where the formed operation is the sliding operation. In this embodiment, the adjusting circuit 13 may be a copper sheet circuit, and a plurality of capacitors are continuously arranged on the copper sheet circuit, and when an object approaches the copper sheet circuit, the capacitance value of the copper sheet circuit changes correspondingly, so that the current sliding direction, sliding speed, and sliding distance can be determined according to the capacitance change trend of each copper sheet. Illustratively, when the capacitance value changes by not less than a preset capacitance threshold value, it is determined whether there is a sliding operation on the adjusting circuit 13. The preset capacitance threshold may be set at the factory, or may be set by the user, which is not limited herein.
And S20, adjusting the current volume according to the previous moment contact information and the current moment contact information.
Note that the contact at the end of the moving operation is the current-time contact. For example, if the user's finger is lifted, the moving operation is ended. It is understood that the previous time contact indicates the current volume, and thus the current volume is adjusted by the previous time contact information and the current time contact information. Wherein the last-time contact information includes: last moment contact value and last trigger time, the contact information of present moment includes: the current time contact value and the current trigger time. It will be appreciated that a user pressing a finger on the conditioning circuit 13 generates a touch point value.
In summary, after the sliding operation is detected, the current volume is adjusted according to the previous moment contact information and the current moment contact information, a key circuit does not need to be added, and the situation of mistaken touch during volume adjustment can be avoided, so that the volume adjustment is more accurate. Meanwhile, the volume required by the user can be adjusted by only one operation, so that the volume adjusting efficiency is higher, and the user experience is improved.
As an improvement of the above scheme, the method detects that there is a sliding operation on the adjusting circuit 13 by the following steps, and specifically includes:
when the contact value of the adjusting circuit 13 is judged to be continuously changed, the sliding operation exists on the adjusting circuit 13.
Specifically, when the capacitance values detected by the adjacent copper sheets are all changed, it is indicated that the sliding operation exists at this time.
As an improvement of the above scheme, the adjusting the current volume according to the previous time contact information and the current time contact information specifically includes:
determining a sliding direction corresponding to the sliding operation according to the contact value at the previous moment and the contact value at the current moment;
and adjusting the current volume according to the previous moment contact value, the current moment contact value and the sliding direction.
In this embodiment, the maximum change of the capacitance value indicates the contact point where the finger of the user is located, when the capacitance value changes for the first time, the corresponding contact point is the contact point at the previous time, and when the finger leaves, the corresponding contact point is the contact point at the current time.
For example, if the touch point value at the previous moment is 2 and the touch point value at the current moment is 3, the sliding operation belongs to the forward direction, and the volume is adjusted from 2 to 3; if the contact value at the last moment is 2 and the contact value at the current moment is 1, the sliding operation is in the negative direction, and the volume is adjusted from 2 to 1. Then, the current volume can be adjusted according to the contact value and the sliding direction.
As an improvement of the above scheme, the adjusting the current volume according to the previous time contact information and the current time contact information further includes:
determining a sliding distance corresponding to the sliding operation according to the contact value at the previous moment and the contact value at the current moment;
determining a corresponding sliding speed according to the sliding distance, the previous trigger time and the current trigger time;
and adjusting the current volume according to the sliding distance, the sliding speed and the sliding direction.
In this embodiment, after the contact value is obtained, the sliding distance is obtained by calculating the difference between the contact value at the last moment and the contact value at the current moment. And calculating the time difference between the last trigger time and the current trigger time and the sliding distance to obtain the sliding speed. And determining the sliding direction through the positive and negative of the difference value between the contact value at the previous moment and the contact value at the current moment. And reporting the sliding speed, the sliding direction and the sliding distance, adjusting the volume, and taking the current moment contact information as the last moment contact information.
As an improvement of the above scheme, the method further comprises:
and when the contact information at the previous moment does not exist, recording the current contact information.
It should be noted that, when there is no previous time contact information, the current contact information is directly recorded and used as the previous time contact information, so that the volume can be adjusted at the next time.
Fig. 2 is a schematic view of a volume adjustment device according to an embodiment of the present invention.
An embodiment of the present invention correspondingly provides a volume adjusting device, including:
an obtaining module 10, configured to, after it is detected that there is a sliding operation on the adjusting circuit 13, respectively obtain previous-time contact information of a sliding start point corresponding to the sliding operation and current-time contact information of a sliding end point corresponding to the sliding operation;
and the adjusting module 20 is configured to adjust the current volume according to the previous time contact information and the current time contact information.
The embodiment of the invention correspondingly provides a volume adjusting device, which is used for adjusting the current volume according to the contact information at the previous moment and the contact information at the current moment after the sliding operation is detected, so that a key circuit is not required to be added, the situation of mistaken touch during volume adjustment can be avoided, and the volume adjustment is more accurate. Meanwhile, the volume required by the user can be adjusted by only one operation, so that the volume adjusting efficiency is higher, and the user experience is improved.
As an improvement of the above scheme, the method detects that there is a sliding operation on the adjusting circuit 13 by the following steps, and specifically includes:
when the contact value of the adjusting circuit 13 is judged to be continuously changed, the sliding operation exists on the adjusting circuit 13.
As an improvement of the above solution, the previous time contact information includes: last moment contact value and last trigger time, the contact information of present moment includes: the current time contact value and the current trigger time.
As a modification of the above solution, the adjusting module 20 includes:
the first calculating subunit is configured to determine, according to the contact value at the previous time and the contact value at the current time, a sliding direction corresponding to the sliding operation;
and the first adjusting subunit is used for adjusting the current volume according to the contact value at the previous moment, the contact value at the current moment and the sliding direction.
As an improvement of the above solution, the adjusting module 20 further includes:
the second calculating subunit is configured to determine a sliding distance corresponding to the sliding operation according to the previous-time contact value and the current-time contact value;
the third calculating subunit is used for determining a corresponding sliding speed according to the sliding distance, the previous trigger time and the current trigger time;
and the second adjusting subunit is used for adjusting the current volume according to the sliding distance, the sliding speed and the sliding direction.
As an improvement of the above scheme, the apparatus further includes:
and the recording module is used for recording the current contact information when the contact information at the previous moment does not exist.
Fig. 3 is a schematic diagram of a volume adjustment device according to an embodiment of the present invention. Another embodiment of the present invention provides a volume adjusting apparatus, including: an adjusting circuit 13, including a processor 11, a memory 12 and a computer program stored in the memory 12 and configured to be executed by the processor 11, wherein the processor 11 and the computer program when executed by the processor implement the volume adjusting method according to the embodiment of the invention;
the processor is connected to the conditioning circuit 13 and the memory, respectively.
As a modification of the above scheme, the adjusting circuit 13 includes: a plurality of capacitors arranged in series.
In this embodiment, referring to fig. 4, five capacitors are arranged in series, and 5 volume levels (i.e. 0, 1, 2, 3, and 4) are correspondingly arranged, so that the capacitance value of the capacitor changes by the approach of the finger of the user to the capacitors, thereby adjusting the volume.
The embodiment of the invention correspondingly provides volume adjusting equipment, which is used for adjusting the current volume according to the contact information at the previous moment and the contact information at the current moment after the sliding operation is detected, a key circuit is not required to be added, the situation of mistaken touch during volume adjustment can be avoided, and the volume adjustment is more accurate. Meanwhile, the volume required by the user can be adjusted by only one operation, so that the volume adjusting efficiency is higher, and the user experience is improved.
Another embodiment of the present invention provides an earphone including: the volume adjusting device according to the embodiment of the invention.
It should be noted that, in this embodiment, the earphone may be a wireless single-ear-hung earphone, and may also be another earphone, which is not limited herein. Due to the adoption of the adjusting circuit 13, the volume is not required to be adjusted through a key circuit, the space occupation condition of hardware is reduced, and the condition of mistaken touch during volume adjustment can be avoided, so that the volume adjustment is more accurate. Meanwhile, the volume required by the user can be adjusted by only one operation, so that the volume adjusting efficiency is higher, and the user experience is improved.
Illustratively, the computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the volume adjusting device.
The volume adjusting device can be a desktop computer, a notebook computer, a palm computer, a cloud server and other computing devices. The volume adjusting device may include, but is not limited to, a processor 11 and a memory 12. It will be understood by those skilled in the art that the schematic diagram is merely an example of a volume adjustment device, and does not constitute a limitation of the volume adjustment device, and may include more or fewer components than shown, or combine certain components, or different components, for example, the volume adjustment device may also include an input-output device, a network access device, a bus, etc.
The Processor 11 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, said processor being the control center of the volume adjusting device, the various parts of the entire volume adjusting device being connected by various interfaces and lines.
The memory 12 may be used to store the computer programs and/or modules, and the processor may implement various functions of the volume adjusting apparatus by operating or executing the computer programs and/or modules stored in the memory and calling data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein, the module/unit integrated with the volume adjusting device can be stored in a computer readable storage medium if it is implemented in the form of software functional unit and sold or used as a stand-alone product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A method for adjusting a volume, comprising:
when the sliding operation on the adjusting circuit is detected, respectively acquiring the contact information at the previous moment and the contact information at the current moment of a sliding termination point corresponding to the sliding operation;
and adjusting the current volume according to the previous moment contact information and the current moment contact information.
2. The method for adjusting the volume of claim 1, wherein the method detects the sliding operation on the adjusting circuit by the following steps:
and when the contact value of the regulating circuit is judged to be continuously changed, the sliding operation exists on the regulating circuit.
3. The method of adjusting volume according to claim 1, wherein the last time contact information includes: last moment contact value and last trigger time, the contact information of present moment includes: the current time contact value and the current trigger time.
4. The method for adjusting the volume according to claim 3, wherein the adjusting the current volume according to the previous time contact information and the current time contact information specifically comprises:
determining a sliding direction corresponding to the sliding operation according to the contact value at the previous moment and the contact value at the current moment;
and adjusting the current volume according to the previous moment contact value, the current moment contact value and the sliding direction.
5. The method for adjusting the volume according to claim 4, wherein the adjusting the current volume according to the previous time contact information and the current time contact information further comprises:
determining a sliding distance corresponding to the sliding operation according to the contact value at the previous moment and the contact value at the current moment;
determining a corresponding sliding speed according to the sliding distance, the previous trigger time and the current trigger time;
and adjusting the current volume according to the sliding distance, the sliding speed and the sliding direction.
6. The method of adjusting volume of claim 1, further comprising:
and when the contact information at the previous moment does not exist, recording the current contact information.
7. An apparatus for adjusting a volume, comprising:
the acquisition module is used for respectively acquiring the contact information at the previous moment of a sliding starting point corresponding to the sliding operation and the contact information at the current moment of a sliding ending point corresponding to the sliding operation after the sliding operation on the adjusting circuit is detected;
and the adjusting module is used for adjusting the current volume according to the contact information at the previous moment and the contact information at the current moment.
8. An apparatus for adjusting a volume, comprising: an adjustment circuit, a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the method of adjusting the volume according to any one of claims 1 to 6 when executing the computer program;
the processor is connected with the regulating circuit and the memory respectively.
9. The volume adjustment device of claim 8, wherein the adjustment circuit comprises: a plurality of capacitors arranged in series.
10. An earphone, comprising: a volume adjustment device as claimed in any one of claims 9 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110228604.1A CN113115149A (en) | 2021-03-02 | 2021-03-02 | Volume adjusting method, device, equipment and earphone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110228604.1A CN113115149A (en) | 2021-03-02 | 2021-03-02 | Volume adjusting method, device, equipment and earphone |
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| CN113115149A true CN113115149A (en) | 2021-07-13 |
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| CN202110228604.1A Pending CN113115149A (en) | 2021-03-02 | 2021-03-02 | Volume adjusting method, device, equipment and earphone |
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|---|---|---|---|---|
| CN103218163A (en) * | 2013-03-28 | 2013-07-24 | 广东欧珀移动通信有限公司 | Method and device for adjusting volume and mobile equipment |
| US20140348341A1 (en) * | 2010-10-01 | 2014-11-27 | Sony Corporation | Input device |
| CN107577446A (en) * | 2017-08-23 | 2018-01-12 | 瑞声科技(新加坡)有限公司 | The control method and mobile terminal of mobile terminal |
| CN111093133A (en) * | 2019-12-13 | 2020-05-01 | 上海传英信息技术有限公司 | Wireless device control method, apparatus and computer readable storage medium |
| CN111556397A (en) * | 2017-12-29 | 2020-08-18 | 上海传英信息技术有限公司 | Earphone touch control method and earphone |
| CN111669678A (en) * | 2020-06-29 | 2020-09-15 | 杭州寰星电子科技有限公司 | True wireless earphone volume adjusting device and method |
-
2021
- 2021-03-02 CN CN202110228604.1A patent/CN113115149A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140348341A1 (en) * | 2010-10-01 | 2014-11-27 | Sony Corporation | Input device |
| CN103218163A (en) * | 2013-03-28 | 2013-07-24 | 广东欧珀移动通信有限公司 | Method and device for adjusting volume and mobile equipment |
| CN107577446A (en) * | 2017-08-23 | 2018-01-12 | 瑞声科技(新加坡)有限公司 | The control method and mobile terminal of mobile terminal |
| CN111556397A (en) * | 2017-12-29 | 2020-08-18 | 上海传英信息技术有限公司 | Earphone touch control method and earphone |
| CN111093133A (en) * | 2019-12-13 | 2020-05-01 | 上海传英信息技术有限公司 | Wireless device control method, apparatus and computer readable storage medium |
| CN111669678A (en) * | 2020-06-29 | 2020-09-15 | 杭州寰星电子科技有限公司 | True wireless earphone volume adjusting device and method |
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Application publication date: 20210713 |