CN108540903B - Volume amplification accessory, terminal and volume amplification accessory identification method - Google Patents
Volume amplification accessory, terminal and volume amplification accessory identification method Download PDFInfo
- Publication number
- CN108540903B CN108540903B CN201810371571.4A CN201810371571A CN108540903B CN 108540903 B CN108540903 B CN 108540903B CN 201810371571 A CN201810371571 A CN 201810371571A CN 108540903 B CN108540903 B CN 108540903B
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- audio
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- 230000003321 amplification Effects 0.000 title claims abstract description 49
- 238000003199 nucleic acid amplification method Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005236 sound signal Effects 0.000 claims abstract description 31
- 238000010586 diagram Methods 0.000 description 16
- 239000010409 thin film Substances 0.000 description 13
- 238000004590 computer program Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The embodiment of the invention provides a volume amplification accessory, a terminal and a volume amplification accessory identification method, which relate to the field of mobile accessories and comprise the following steps: a volume amplifier and an earphone interface. The audio signal input end of the volume amplifier is respectively and electrically connected with the left channel end and the right channel end of the earphone interface, and the volume amplifier is used for amplifying the audio signal output by the terminal received by the earphone interface. The power end of the volume amplifier is electrically connected with the microphone MIC end of the earphone interface. The MIC end is used for being communicated with a power supply of the terminal when the earphone interface is electrically connected with the terminal. The volume amplification accessory obtains the power supply and the audio signal from the terminal through the earphone interface and amplifies the volume, thereby bringing convenience to the people with weak hearing and simultaneously bringing convenience to the situation that the sound of the terminal needs to be amplified in life. And secondly, the volume amplifying accessory acquires the power supply from the terminal, so that an independent power supply is not required to be configured, thereby reducing the size of the volume amplifying accessory and improving portability.
Description
Technical Field
The embodiment of the invention relates to the field of mobile accessories, in particular to a volume amplification accessory, a terminal and a volume amplification accessory identification method.
Background
Currently, the volume of a mobile terminal (such as the volume of an incoming call ringtone or the volume of a music playing outside) mainly depends on a loudspeaker used by the terminal, but for the weak hearing crowd, the volume of the mobile terminal cannot meet the requirement. In the prior art, the sound box can be used for improving the volume of the mobile equipment, but the portability of the sound box is poor, and the sound box is almost impossible to carry about.
Disclosure of Invention
The embodiment of the invention provides a volume amplification accessory, a terminal and a volume amplification accessory identification method, which are used for solving the problem that a method for improving the volume of mobile equipment by means of a sound box is inconvenient in the prior art.
In one aspect, an embodiment of the present invention provides a volume amplifying accessory, including: a volume amplifier and an earphone interface. The audio signal input end of the volume amplifier is respectively and electrically connected with the left channel end and the right channel end of the earphone interface, and the volume amplifier is used for amplifying the audio signal output by the terminal and received by the earphone interface. The power end of the volume amplifier is electrically connected with the microphone MIC end of the earphone interface; the MIC end is used for being communicated with a power supply of the terminal when the earphone interface is electrically connected with the terminal. Because the volume amplification accessory is communicated with the power supply of the terminal through the MIC end in the earphone interface, the audio signals output by the terminal are received through the left channel end and the right channel end of the earphone interface, and then the received audio signals are amplified through the volume amplifier, the volume of the terminal is amplified, convenience is brought to people with weak hearing, and meanwhile, the situation that the sound of the terminal needs to be amplified in life is also facilitated. And secondly, the volume amplifying accessory acquires the power supply from the terminal, so that an independent power supply is not required to be arranged in the volume amplifying accessory, the size of the volume amplifying accessory is reduced, the portability is improved, and the portable volume amplifying accessory is convenient for a user to carry.
Optionally, the enabling end of the volume amplifier is connected with the power end of the volume amplifier.
Optionally, the volume amplifier includes an audio power amplifier and an electroacoustic transducer. The power end of the audio power amplifier is connected with the MIC end of the earphone interface, the audio signal input end of the audio power amplifier is respectively and electrically connected with the left channel end and the right channel end of the earphone interface, the enabling end of the audio power amplifier is connected with the power end of the audio power amplifier, and the output end of the audio power amplifier is connected with the sound-electricity converter.
Optionally, a second resistor is connected in series between the enabling end of the audio power amplifier and the power end of the audio power amplifier; and a third resistor is connected in series between the enabling end and the grounding end of the audio power amplifier.
Optionally, the volume amplifying fitting further comprises a light emitting component; the light-emitting component is connected with the MIC end and used for acquiring power from the terminal through the MIC end. By arranging the light-emitting component in the volume amplification accessory, when a user needs to be reminded of an incoming call or the like, the volume is amplified and the light-emitting component is combined to emit light, so that a better reminding effect can be achieved.
Optionally, the light emitting component includes a light emitting diode and a first resistor connected in series between the MIC terminal and a ground terminal.
In one aspect, an embodiment of the present invention provides a terminal, including:
the device comprises a processor, a power supply, a switch component and a headset jack;
the power supply, the switch component and the earphone jack are connected in series; the earphone jack is used for connecting an earphone interface of the volume amplifying accessory;
the processor is connected with the enabling end of the switch component and is used for controlling the switch component to be closed when the volume amplification accessory is detected, so that the volume amplification accessory is powered by the power supply;
the processor is connected with the earphone jack and is further used for outputting an audio signal to the volume amplification accessory when the terminal is connected with the volume amplification accessory through the earphone jack.
On the other hand, an embodiment of the present invention provides a method for identifying a volume amplification accessory, which is applicable to the terminal, and includes:
when detecting the external equipment of the earphone jack, the terminal judges whether an MIC signal is detected;
if yes, determining that the equipment is an earphone; otherwise, the device is determined to be a volume amplification accessory. The terminal identifies the external equipment through the MIC signal, and adopts different control methods aiming at different external equipment, so that the normal operation of the volume amplification accessory is ensured.
Optionally, the method further comprises:
the terminal controls the switch component to be closed when determining that the equipment is a volume amplifying accessory;
the terminal outputs the audio signal to the volume amplification fitting when detecting the audio signal.
Optionally, the method further comprises:
the terminal controls the switching part to be opened when the device is not detected.
In the embodiment of the invention, the volume amplifying accessory is communicated with the power supply of the terminal through the MIC end in the earphone interface, receives the audio signals output by the terminal through the left channel end and the right channel end of the earphone interface, and amplifies the received audio signals through the volume amplifier, so that the volume of the terminal is amplified, convenience is brought to the people with weak hearing, and meanwhile, the situation that the sound of the terminal needs to be amplified in life is also facilitated. And secondly, the volume amplifying accessory acquires the power supply from the terminal, so that an independent power supply is not required to be arranged in the volume amplifying accessory, the size of the volume amplifying accessory is reduced, the portability is improved, and the portable volume amplifying accessory is convenient for a user to carry. In addition, through setting up the light emitting accessory in the volume amplification accessory, so when needs remind user's scene such as incoming telegram, the volume that amplifies combines the light emitting component to give out light simultaneously, can reach better warning effect to bring convenience for the user.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a volume amplifying fitting according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a volume amplifying fitting according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a volume amplifying fitting according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a volume amplifying fitting according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a volume amplifying fitting according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a volume amplifying fitting according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a volume amplifying fitting according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a volume amplifying fitting according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
fig. 11 is a flowchart of a method for identifying a volume amplifying fitting according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Fig. 1 shows a structure of a volume amplifying fitting according to an embodiment of the present invention, and as shown in fig. 1, the volume amplifying fitting specifically includes: the audio signal input terminal 1011 of the audio amplifier 101 is electrically connected to the left channel terminal 1021 and the right channel terminal 1022 of the headphone interface, respectively, and the audio amplifier 101 is used for amplifying the audio signal output from the terminal 103 received through the headphone interface 102. The power terminal 1012 of the volume amplifier 101 is electrically connected to the MIC terminal 1023 of the earphone interface. MIC terminal 1023 is adapted to communicate with power supply 1031 of terminal 103 when earphone interface 102 is electrically connected to terminal. The ground terminal of the earphone interface 102 is connected to the ground terminal of the volume amplifier 101. It should be noted that, the earphone interface 102 in the embodiment of the present invention is not limited to the one shown in fig. 1, but may be any other type of earphone interface, such as the earphone interface shown in fig. 2 or fig. 3, which is not particularly limited to the embodiment of the present invention. The earphone interface can be a 3.5mm earphone interface, a 2.5mm earphone interface and a Typc-C earphone interface. In addition, the volume amplifying accessory in the embodiment of the invention is suitable for various volume amplifying scenes, such as the amplification of incoming call ringtones, the amplification of music playing, the amplification of voice of chat software and the like. Because the volume amplification accessory is communicated with the power supply of the terminal through the MIC end in the earphone interface, the audio signals output by the terminal are received through the left channel end and the right channel end of the earphone interface, and then the received audio signals are amplified through the volume amplifier, the volume of the terminal is amplified, convenience is brought to people with weak hearing, and meanwhile, the situation that the sound of the terminal needs to be amplified in life is also facilitated. And secondly, the volume amplifying accessory acquires the power supply from the terminal, so that an independent power supply is not required to be arranged in the volume amplifying accessory, the size of the volume amplifying accessory is reduced, the portability is improved, and the portable volume amplifying accessory is convenient for a user to carry.
Alternatively, as shown in fig. 4, in the volume amplification fitting, the enable terminal 1013 of the volume amplifier 101 is connected to the power source terminal 1012 of the volume amplifier 101, and the switching of the volume amplifier 101 is achieved by controlling the enable terminal 1013 of the volume amplifier 101.
Optionally, as shown in fig. 5, the volume amplifier 101 includes an audio power amplifier 104 and an electroacoustic transducer 105, where a power supply terminal 1041 of the audio power amplifier 104 is connected to a MIC terminal 1023 of the earphone interface, an audio signal input terminal 1042 of the audio power amplifier 104 is electrically connected to a left channel terminal 1021 and a right channel terminal 1022 of the earphone interface 102, an enable terminal 1043 of the audio power amplifier 104 is connected to the power supply terminal 1041 of the audio power amplifier 104, an output terminal 1044 of the audio power amplifier 104 is connected to the electroacoustic transducer 105, and a ground terminal of the earphone interface 102 is connected to a ground terminal of the audio power amplifier 104. The acoustic-to-electric transducer 105 includes, but is not limited to, a speaker, a horn. The audio power amplifier is powered by the power supply of the terminal, so that the audio power amplifier amplifies the power of the audio signal output by the terminal, and then the audio signal is played by the loudspeaker and other sound-electricity converters, thereby realizing the amplification of the volume of the terminal and bringing convenience to the people with weak hearing.
Optionally, as shown in fig. 6, a second resistor 106 is connected in series between the enable terminal 1043 of the audio power amplifier 104 and the power supply terminal 1041 of the audio power amplifier, and a third resistor 107 is connected in series between the enable terminal 1043 of the audio power amplifier 104 and the ground terminal. Because the voltage of the power supply end of the audio power amplifier is the voltage of the terminal power supply, the voltage of the terminal power supply is overlarge for the enabling end of the audio power amplifier, and a second resistor is connected in series between the enabling end of the audio power amplifier and the power supply end of the audio power amplifier, thereby realizing the protection of the audio power amplifier. When the volume amplifying fitting is not connected with the terminal, the enabling end of the audio power amplifier is set to be low level through the third resistor, so that the audio power amplifier stops working.
Optionally, as shown in fig. 7, the volume amplifying assembly further includes a light emitting part 108, and the light emitting part 108 is connected to the MIC terminal 1023 for obtaining power from the terminal 103 through the MIC terminal 1023. By arranging the light-emitting component in the volume amplification accessory, when a user needs to be reminded of an incoming call or the like, the volume is amplified and the light-emitting component is combined to emit light, so that a better reminding effect can be achieved.
Alternatively, as shown in fig. 8, the light emitting part 108 includes a light emitting diode 1081 and a first resistor 1082 connected in series between the MIC terminal 1023 and the ground terminal.
Fig. 9 shows a structure of a terminal according to an embodiment of the present invention, and as shown in fig. 9, the terminal 103 includes: a power supply 1031, a processor 1032, a switching section 1033, and a headphone jack 1034. The power supply 1031, the switching section 1033, and the headphone jack 1034 are connected in series, and the headphone jack 1034 is used to connect the headphone interface 102 of the volume amplification accessory. The processor 1032 is connected to an enable terminal 1035 of the switching element 1033 for controlling the switching element 1033 to be closed when the volume amplifying fitting is detected, thereby supplying power to the volume amplifying fitting through the power supply 1031. Processor 1032 is connected to headphone jack 1034 and is also configured to output an audio signal to a volume amplification fitting when terminal 103 is connected to the volume amplification fitting via headphone jack 1034. Through setting up switch part in the terminal, it is connected with the terminal through the earphone jack to detect the volume and enlarge the accessory, and when the terminal needs the volume to enlarge this moment, the treater control switch part is closed so that power supply is for the volume and enlarge the accessory power supply, and need not set up power supply in the volume and enlarge the accessory to on the one hand terminal volume is enlarged, on the other hand has reduced the size of volume and has enlarged the accessory, has improved portability.
Alternatively, as shown in fig. 10, the switching unit 1033 may be a thin film transistor, the processor 1032 is connected to the gate 10361 of the thin film transistor, the power supply 1031 is connected to the drain 10362 of the thin film transistor, the earphone jack 1034 is connected to the source 10363 of the thin film transistor, and the fourth resistor 10364 is connected in series between the gate 10361 and the ground terminal of the thin film transistor. When the terminal 103 is connected to the volume amplifying accessory through the earphone jack 1034, if the terminal 103 is powered on or music is played, the processor 1032 outputs a control signal to set the gate 10361 of the thin film transistor to be high level, so that the drain 10362 of the thin film transistor and the source 10363 of the thin film transistor are turned on, and the power supply 1031 supplies power to the volume amplifying accessory through the drain 10362 of the thin film transistor and the source 10363 of the thin film transistor. When the terminal 103 is connected to the volume amplifying device through the earphone jack 1034, if the terminal 103 is not powered on or music is played, the fourth resistor 10364 sets the gate 10361 of the thin film transistor to a low level, and the drain 10362 of the thin film transistor and the source 10363 of the thin film transistor are disconnected.
The embodiment of the invention provides a volume amplifying system, which comprises the terminal and a volume amplifying accessory.
Fig. 11 shows a method for identifying a volume amplification accessory according to an embodiment of the present invention, which is applicable to the above terminal, and includes the following steps:
in step S1101, the terminal detects a device externally connected to the earphone jack.
In step S1102, it is determined whether a MIC signal is detected.
Step S1103, if yes, determining that the external device is an earphone.
Step S1104, otherwise, determining that the external device is a volume amplifying accessory.
The MIC signal is a signal for identifying the earphone, and when the terminal detects that the external device is the earphone, the volume play part of the terminal, such as a speaker, is turned off. The audio signal is then output to the headphones via the headphone jack. When the terminal detects that the external equipment is a volume amplification accessory, the switch component can be directly controlled to be closed so that the power supply of the terminal supplies power to the volume amplification accessory, and also can be controlled to be closed when the audio signal is detected so that the power supply of the terminal supplies power to the volume amplification accessory. When the terminal detects the audio signal, the terminal directly outputs the audio signal to the volume amplifying fitting. When the terminal does not detect the external equipment, the control switch component is disconnected, so that the power supply stops supplying power. Optionally, when the terminal detects that the external device is a volume amplifying accessory, the volume amplifying component of the terminal can be opened, so that the volume of the terminal can be amplified through the volume amplifying accessory and the volume amplifying component of the terminal, thereby achieving a better volume amplifying effect. The terminal identifies the external equipment by detecting the MIC signal, and adopts different control methods aiming at different external equipment, thereby ensuring the normal operation of the volume amplification accessory.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, or as a computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A volume amplifying fitting adapted for use with a terminal, comprising: a volume amplifier and an earphone interface;
the audio signal input end of the volume amplifier is respectively and electrically connected with the left channel end and the right channel end of the earphone interface, and the volume amplifier is used for amplifying the audio signal output by the terminal and received by the earphone interface;
the power end of the volume amplifier is electrically connected with the microphone MIC end of the earphone interface; the MIC end is used for being communicated with a power supply of the terminal when the earphone interface is electrically connected with the terminal;
the volume amplifier comprises an audio power amplifier and an audio-electric converter, and a second resistor is connected in series between an enabling end of the audio power amplifier and a power end of the audio power amplifier.
2. The volume amplification fitting of claim 1 wherein an enable terminal of the volume amplifier is connected to a power terminal of the volume amplifier.
3. The volume amplification fitting of claim 2, wherein a power supply terminal of the audio power amplifier is connected to a MIC terminal of the earphone interface, an audio signal input terminal of the audio power amplifier is electrically connected to a left channel terminal and a right channel terminal of the earphone interface, respectively, an enable terminal of the audio power amplifier is connected to the power supply terminal of the audio power amplifier, and an output terminal of the audio power amplifier is connected to the electroacoustic converter.
4. The volume amplification fitting of claim 3 wherein a third resistor is connected in series between an enable terminal and ground terminal of the audio power amplifier.
5. The volume amplification fitting of any one of claims 1 to 4, further comprising a light emitting component;
the light-emitting component is connected with the MIC end and used for acquiring power from the terminal through the MIC end.
6. The volume amplification fitting of claim 5, wherein the light emitting means comprises a light emitting diode and a first resistor connected in series between the MIC terminal and ground terminal.
7. A terminal, comprising:
the device comprises a processor, a power supply, a switch component and a headset jack;
the power supply, the switch component and the earphone jack are connected in series; a headphone jack for connecting a headphone interface of the volume amplifying accessory according to any one of claims 1 to 6;
the processor is connected with the enabling end of the switch component and is used for controlling the switch component to be closed when the volume amplification accessory is detected, so that the volume amplification accessory is powered by the power supply;
the processor is connected with the earphone jack and is further used for outputting an audio signal to the volume amplification accessory when the terminal is connected with the volume amplification accessory through the earphone jack.
8. A method for recognizing a volume amplification accessory, adapted to a terminal as set forth in claim 7, comprising:
when detecting the external equipment of the earphone jack, the terminal judges whether an MIC signal is detected;
if yes, determining that the equipment is an earphone;
otherwise, the device is determined to be a volume amplification accessory.
9. The method as recited in claim 8, further comprising:
the terminal controls the switch component to be closed when determining that the equipment is a volume amplifying accessory;
the terminal outputs the audio signal to the volume amplification fitting when detecting the audio signal.
10. The method as recited in claim 8, further comprising:
the terminal controls the switching part to be opened when the device is not detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371571.4A CN108540903B (en) | 2018-04-24 | 2018-04-24 | Volume amplification accessory, terminal and volume amplification accessory identification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371571.4A CN108540903B (en) | 2018-04-24 | 2018-04-24 | Volume amplification accessory, terminal and volume amplification accessory identification method |
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| Publication Number | Publication Date |
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| CN108540903A CN108540903A (en) | 2018-09-14 |
| CN108540903B true CN108540903B (en) | 2023-11-28 |
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| CN201810371571.4A Active CN108540903B (en) | 2018-04-24 | 2018-04-24 | Volume amplification accessory, terminal and volume amplification accessory identification method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742265U (en) * | 1993-12-21 | 1995-07-21 | 有限会社ユーテック | TV audio adapter with infrared sensor |
| KR20020066099A (en) * | 2001-02-09 | 2002-08-14 | 삼성전자 주식회사 | Device for sensing headset of cellular phone |
| CN206686364U (en) * | 2017-03-25 | 2017-11-28 | 维沃移动通信有限公司 | Headset plugging detects circuit and electronic equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100598463B1 (en) * | 2005-05-16 | 2006-07-10 | 엘지전자 주식회사 | Apparatus and method for automatic recognition tty terminal and ctm converter of mobile communication terminal |
| CN103260105B (en) * | 2013-05-08 | 2015-10-28 | 安百特半导体有限公司 | A kind of method and apparatus utilizing the power supply of electronic equipment to power to ANC earphone |
-
2018
- 2018-04-24 CN CN201810371571.4A patent/CN108540903B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742265U (en) * | 1993-12-21 | 1995-07-21 | 有限会社ユーテック | TV audio adapter with infrared sensor |
| KR20020066099A (en) * | 2001-02-09 | 2002-08-14 | 삼성전자 주식회사 | Device for sensing headset of cellular phone |
| CN206686364U (en) * | 2017-03-25 | 2017-11-28 | 维沃移动通信有限公司 | Headset plugging detects circuit and electronic equipment |
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| CN108540903A (en) | 2018-09-14 |
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Address after: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Applicant after: Huaqin Technology Co.,Ltd. Address before: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Applicant before: Huaqin Technology Co.,Ltd. Address after: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Applicant after: Huaqin Technology Co.,Ltd. Address before: 201210 Building 1, 399 Keyuan Road, Zhangjiang High Tech Park, Pudong New Area, Shanghai Applicant before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |