CN201758417U - Earphone compatible device and mobile terminal - Google Patents

Earphone compatible device and mobile terminal Download PDF

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Publication number
CN201758417U
CN201758417U CN2010205120295U CN201020512029U CN201758417U CN 201758417 U CN201758417 U CN 201758417U CN 2010205120295 U CN2010205120295 U CN 2010205120295U CN 201020512029 U CN201020512029 U CN 201020512029U CN 201758417 U CN201758417 U CN 201758417U
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China
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voltage signal
earphone
path
compatible device
module
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CN2010205120295U
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Chinese (zh)
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王伟杰
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Huawei Device Co Ltd
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Huawei Device Co Ltd
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Abstract

The utility model provides an earphone compatible device and a mobile terminal. The earphone compatible device comprises a detecting module, a control module, a switching module and a plurality of channels which connect an earphone plug with the mobile terminal. The detecting module detects voltage signals of a detection point connected with the earphone plug and transmits the voltage signals to the control module, which, according to the voltage signals, controls the switching module to be switched to the channels corresponding to the type of the earphone plug. The earphone compatible device and the mobile terminal provided by the utility model enable to switch to the channels corresponding to the earphone plug according to the detected voltage signals of the earphone plug, realizing the compatibility of multiple kinds of earphone plugs and making the use of different earphone plugs free of limitations.

Description

Earphone compatible device and portable terminal
Technical field
The utility model embodiment relates to the communication technology, particularly a kind of earphone compatible device and portable terminal.
Background technology
The earphone interface that uses in the mobile phone is generally the plug of four-part form, and referring to Fig. 1, plug comprises tip, middle ring 1, middle ring 2 and end.At present, earphone interface mainly contains two kinds of standards, and the standard that China and most of country use connects successively from plug tip contact to terminal contacts: L channel (L), R channel (R), transmitter (MIC+) and signal circuit (GND); The standard that U.S. part operator uses connects successively from plug tip contact to terminal contacts: L channel (L), R channel (R), signal circuit (GND) and transmitter (MIC+).The earphone of these two kinds of standards, its apparent size is roughly the same.
In the prior art, when the earphone interface standard of mobile phone end does not conform to the headset plug standard, earphone can't normally use, and make mobile phone not possess versatility.
The utility model content
The utility model embodiment provides a kind of earphone compatible device and portable terminal, when not conforming to the headset plug standard in order to the earphone interface standard that solves mobile phone end in the prior art, and the problem that earphone can't normally use.
The utility model embodiment provides a kind of earphone compatible device, comprising: detection module, control module, handover module, and the path of a plurality of connection headset plug and portable terminal;
Described detection module detects the voltage signal of the test point that is connected with headset plug, and described voltage signal is sent to control module; Described control module is controlled described handover module according to described voltage signal and is switched to and the corresponding path of described headset plug type.
Aforesaid earphone compatible device, described control module comprises: receiving element, processing unit and memory cell;
Described receiving element receives described voltage signal, and sends to described processing unit; Described processing unit according in the described memory cell in advance the corresponding relation of stored voltage signal and control signal to described handover module output control signal.
Aforesaid earphone compatible device, described detection module comprises: detection signal generation unit and voltage signal converting unit;
Described detection signal generation unit generates the voltage detection signal corresponding with headset plug under constant preset reference voltage, and sends to described voltage signal converting unit; Described voltage signal converting unit converts described voltage detection signal to the data type of described cell stores.
Aforesaid earphone compatible device, the path of described a plurality of connection headset plugs and portable terminal comprises: L/R/M/GND path and L/R/GND/M path.
Aforesaid earphone compatible device, described control module are the CPU in the described portable terminal.
The utility model embodiment also provides a kind of portable terminal, comprises earphone interface, also comprises the earphone compatible device, and described earphone compatible device comprises: detection module, control module, handover module, and the path of a plurality of connection headset plug and portable terminal;
Described detection module detects the voltage signal of the test point that is connected with the headset plug that inserts earphone interface, and described voltage signal is sent to control module; Described control module is controlled described handover module according to described voltage signal and is switched to and the corresponding path of described headset plug type, and described path is connected with described earphone interface.
Aforesaid portable terminal, described control module comprises: receiving element, processing unit and memory cell;
Described receiving element receives described voltage signal, and sends to described processing unit; Described processing unit according in the described memory cell in advance the corresponding relation of stored voltage signal and control signal to described handover module output control signal.
Aforesaid earphone compatible device, described detection module comprises: detection signal generation unit and voltage signal converting unit;
Described detection signal generation unit generates the voltage detection signal corresponding with headset plug under constant preset reference voltage, and sends to described voltage signal converting unit; Described voltage signal converting unit converts described voltage detection signal to the data type of described cell stores.
Aforesaid earphone compatible device, the path of described a plurality of connection headset plugs and portable terminal comprises: L/R/M/GND path and L/R/GND/M path.
Earphone compatible device and portable terminal that the utility model embodiment provides switch on the path corresponding with headset plug according to the voltage signal of detected headset plug, realize compatible multiple headset plug, and it is unrestricted that different headset plugs is used.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is existing headset plug structural representation;
Fig. 2 is the structural representation of an earphone compatible device of the utility model embodiment;
Fig. 3 is the structural representation of another earphone compatible device of the utility model embodiment;
Fig. 4 is existing terminal equipment earphone interface contact circuit;
Fig. 5 is the connecting circuit figure of the utility model earphone compatible device and earphone interface;
Fig. 6 is the circuit diagram of voltage signal converting unit in the utility model earphone compatible device;
Fig. 7 is the circuit diagram of handover module in the utility model earphone compatible device;
Fig. 8 is the corresponding relation figure that control signal and handover module are carried out action in the utility model earphone compatible device;
Fig. 9 is a portable terminal example structure of a utility model schematic diagram.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 2, an earphone compatible device of the utility model embodiment, this earphone compatible device comprises: detection module 11, control module 12, handover module 13, and the path 14 of a plurality of connection headset plug and portable terminal;
Wherein, detection module 11 detects the voltage signal of the test point that is connected with headset plug, and this voltage signal is sent to control module 12; Control module 12 switches to the path corresponding with the headset plug type 14 according to voltage signal control handover module 13.
The earphone compatible device that the utility model embodiment provides can be applicable to portable terminals such as mobile phone, specifically the function that a chip or hardware circuit are realized this earphone compatible device can be set in mobile phone.
The headset plug that detection module 11 detects is the headset plug of terminal equipments such as insertion portable terminal.Headset plug has polytype, dissimilar headset plugs may use different interface standards, use its resistance value difference of headset plug of distinct interface standard, detection module 11 can detect the voltage signal of headset plug correspondence in view of the above at test point, which kind of interface standard what control module 12 can judge that headset plug uses according to detection module 11 detected voltage signals is, so that switch on the corresponding path 14 according to the interface standard control handover module of judging 13.
The earphone compatible device that present embodiment provides switches on the path corresponding with headset plug according to the voltage signal of detected headset plug, realizes compatible multiple headset plug, and it is unrestricted that different headset plugs is used.
Referring to Fig. 3, another earphone compatible device of the utility model embodiment, this earphone compatible device comprises: detection module 11, control module 12, handover module 13, and the path 14 of a plurality of connection headset plug and portable terminal;
Detection module 11 detects the voltage signal of the test point that is connected with headset plug, and voltage signal is sent to control module 12; Control module 12 switches to the path corresponding with the headset plug type according to voltage signal control handover module 13.
Wherein, according to the interface standard of headset plug, path 14 can comprise: L/R/M/GND path and L/R/GND/M path, M are transmitter (MIC+).
Further, control module 12 can comprise: receiving element 121, processing unit 122 and memory cell 123;
Receiving element 121 receives voltage signal, and sends to processing unit 122; Processing unit 122 according in the memory cell 123 in advance the corresponding relation of stored voltage signal and control signal to handover module 13 output control signals.
Wherein, control module 12 can be the CPU in the portable terminal (CPU), and memory cell 123 can be the register in the portable terminal.
In addition, detection module 11 can comprise: detection signal generation unit 111 and voltage signal converting unit 112;
Detection signal generation unit 111 generates the voltage detection signal corresponding with headset plug under constant preset reference voltage, and sends to voltage signal converting unit 112; Voltage signal converting unit 112 converts voltage detection signal to the data type of memory cell 123 storages.
Referring to Figure 4 shows that earphone interface J101, Figure 5 shows that the annexation of earphone interface J101 in detection signal generation unit 111 and the terminal, provided a kind of circuit implementation of detection signal generation unit 111 among Fig. 5, wherein, HS_DETECT is a voltage detection signal, MIC_BIAS is external constant reference voltage, and R103 is a voltage debugging resistance, is used to debug the HS_DETECT voltage detection signal of output.C105 is used for the interference signal of filtering voltage detection signal.Since the earphone of distinct interface standard, its resistance value difference, and under constant reference voltage MIC_BIAS effect, the HS_DETECT value of output is different.
Fig. 6 has provided a kind of circuit implementation of voltage signal converting unit 112, and the function of voltage signal converting unit 112 also can realize by the mode of software.The HS_DETECT of output can be exchanged into the data type (being HS_ADC) of memory cell 123 storages under the dividing potential drop effect of two resistance.Export control signals with the corresponding relation of control signal to handover module 13 and store voltage signal (ADC) in the memory cell 123 in advance.
Referring to the circuit diagram of a kind of handover module 13 shown in Figure 7, wherein, pin 1 (VCC) connects power supply; The HS_MIC end of pin 3 (COM1) lug machine interface J101, the HS_GND end of pin 9 (COM2) lug machine interface J101; Pin 4 (IN1) and pin 8 (IN2) connect the control signal (HEADSET_CTRL) of control module 12 outputs; Pin 2 (NO1) and pin 7 (NC2) connect the MIC signal of terminal equipment; Pin 5 (NC1) is connected with grounding pin 6 (GND) respectively with pin 10 (NO2).
Wherein, can store corresponding relation between the control signal (HEADSET_CTRL) of detection module 11 detected voltage signals and control module 12 outputs in the memory cell 123 in advance.Again referring to Fig. 8, when the control signal HEADSET_CTRL of pin 4 (IN1) and pin 8 (IN2) input is 0, NO1 and NO2 close, NC1 and NC2 open, the pin 3 that handover module 13 will connect earphone interface is connected with pin 7 (NC2) with pin 5 (NC1) respectively with pin 9, be the HS_MIC end of earphone interface and GND signal and the MIC signal that the HS_GND end is connected to terminal equipment respectively, realize that headset plug is connected to the L/R/GND/M path; When the control signal HEADSET_CTRL of pin 4 (IN1) and pin 8 (IN2) input is 1, NO1 and NO2 open, NC1 and NC2 close, the pin 3 that connects earphone interface switches to respectively with pin 2 (NO1) with pin 9 and is connected with pin 10 (NO2), be the HS_MIC end of earphone interface and MIC signal and the GND signal that the HS_GND end is connected to terminal equipment respectively, realize that headset plug is connected to the L/R/M/GND path.
More than provided a kind of specific implementation circuit of earphone compatible device, but not with this to the utility model as restriction.
The earphone compatible device that present embodiment provides switches on the path corresponding with headset plug according to the voltage signal of detected headset plug, realizes compatible multiple headset plug, and it is unrestricted that different headset plugs is used.
Referring to Fig. 9, the utility model also provides a portable terminal embodiment, and this portable terminal comprises earphone interface 1 and earphone compatible device 2;
Wherein, earphone compatible device 2 comprises: detection module, control module, handover module, and the path of a plurality of connection headset plug and portable terminal;
Detection module detects the voltage signal of the test point that is connected with the headset plug that inserts earphone interface 1, and voltage signal is sent to control module; Control module switches to the path corresponding with the headset plug type according to voltage signal control handover module, and path is connected with earphone interface 1.
The portable terminal that present embodiment provides switches on the path corresponding with headset plug according to the voltage signal of detected headset plug, makes the compatible polytype headset plug of portable terminal, makes the use of portable terminal convenient.
On the basis of last embodiment, further, the control module in the earphone compatible device 2 can also comprise: receiving element, processing unit and memory cell;
Wherein, receiving element receives voltage signal, and sends to processing unit; Processing unit according in the memory cell in advance the corresponding relation of stored voltage signal and control signal export control signal to handover module.
In addition, detection module can also comprise: detection signal generation unit and voltage signal converting unit;
The detection signal generation unit generates the voltage detection signal corresponding with headset plug under constant preset reference voltage, and sends to the voltage signal converting unit; The voltage signal converting unit converts voltage detection signal to the data type of cell stores.
The path of a plurality of connection headset plugs and portable terminal can comprise: L/R/M/GND path and L/R/GND/M path.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (9)

1. an earphone compatible device is characterized in that, comprising: detection module, control module, handover module, and the path of a plurality of connection headset plug and portable terminal;
Described detection module detects the voltage signal of the test point that is connected with headset plug, and described voltage signal is sent to control module; Described control module is controlled described handover module according to described voltage signal and is switched to and the corresponding path of described headset plug type.
2. earphone compatible device according to claim 1 is characterized in that, described control module comprises: receiving element, processing unit and memory cell;
Described receiving element receives described voltage signal, and sends to described processing unit; Described processing unit according in the described memory cell in advance the corresponding relation of stored voltage signal and control signal to described handover module output control signal.
3. earphone compatible device according to claim 2 is characterized in that, described detection module comprises: detection signal generation unit and voltage signal converting unit;
Described detection signal generation unit generates the voltage detection signal corresponding with headset plug under constant preset reference voltage, and sends to described voltage signal converting unit; Described voltage signal converting unit converts described voltage detection signal to the data type of described cell stores.
4. according to each described earphone compatible device of claim 1~3, it is characterized in that the path of described a plurality of connection headset plugs and portable terminal comprises: L/R/M/GND path and L/R/GND/M path.
5. earphone compatible device according to claim 4 is characterized in that, described control module is the CPU in the described portable terminal.
6. a portable terminal comprises earphone interface, it is characterized in that, also comprises the earphone compatible device, and described earphone compatible device comprises: detection module, control module, handover module, and the path of a plurality of connection headset plug and portable terminal;
Described detection module detects the voltage signal of the test point that is connected with the headset plug that inserts described earphone interface, and described voltage signal is sent to control module; Described control module is controlled described handover module according to described voltage signal and is switched to and the corresponding path of described headset plug type, and described path is connected with described earphone interface.
7. portable terminal according to claim 6 is characterized in that, described control module comprises: receiving element, processing unit and memory cell;
Described receiving element receives described voltage signal, and sends to described processing unit; Described processing unit according in the described memory cell in advance the corresponding relation of stored voltage signal and control signal to described handover module output control signal.
8. portable terminal according to claim 7 is characterized in that, described detection module comprises: detection signal generation unit and voltage signal converting unit;
Described detection signal generation unit generates the voltage detection signal corresponding with headset plug under constant preset reference voltage, and sends to described voltage signal converting unit; Described voltage signal converting unit converts described voltage detection signal to the data type of described cell stores.
9. according to each described portable terminal of claim 6~8, it is characterized in that the path of described a plurality of connection headset plugs and portable terminal comprises: L/R/M/GND path and L/R/GND/M path.
CN2010205120295U 2010-08-25 2010-08-25 Earphone compatible device and mobile terminal Expired - Lifetime CN201758417U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102300003A (en) * 2011-09-20 2011-12-28 惠州Tcl移动通信有限公司 Mobile terminal capable of automatically detecting earphone jack
CN102395072A (en) * 2011-10-21 2012-03-28 惠州Tcl移动通信有限公司 Plug and earphone with same
CN102662895A (en) * 2012-03-26 2012-09-12 华为终端有限公司 Communication method, device and system of peripheral input/output equipment
CN102695109A (en) * 2012-06-28 2012-09-26 深圳市聚鑫城科技有限公司 Earphone with automatic sensing function
CN102892065A (en) * 2011-07-22 2013-01-23 飞兆半导体公司 Media stream plug detecting and shifting device and method thereof
CN103365418A (en) * 2013-06-24 2013-10-23 张宝权 Drive-by-wire method for multi-platform application and adjustable drive-by-wire device
CN103632419A (en) * 2012-08-29 2014-03-12 北京同方微电子有限公司 Audio-frequency USB key with multiple earphone interfaces
CN104035847A (en) * 2014-06-11 2014-09-10 深圳市文鼎创数据科技有限公司 Method and system for testing compatibility of audio shields
EP2806662A4 (en) * 2012-01-20 2015-12-09 Tendyron Corp Apparatus for detecting the type of an audio interface
CN105430545A (en) * 2014-09-19 2016-03-23 中兴通讯股份有限公司 Earphone jack standard-conversion method and device, and mobile terminal

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102892065A (en) * 2011-07-22 2013-01-23 飞兆半导体公司 Media stream plug detecting and shifting device and method thereof
CN102300003A (en) * 2011-09-20 2011-12-28 惠州Tcl移动通信有限公司 Mobile terminal capable of automatically detecting earphone jack
CN102395072A (en) * 2011-10-21 2012-03-28 惠州Tcl移动通信有限公司 Plug and earphone with same
CN102395072B (en) * 2011-10-21 2015-08-19 惠州Tcl移动通信有限公司 A kind of headset plug and earphone thereof
EP2806662A4 (en) * 2012-01-20 2015-12-09 Tendyron Corp Apparatus for detecting the type of an audio interface
CN102662895A (en) * 2012-03-26 2012-09-12 华为终端有限公司 Communication method, device and system of peripheral input/output equipment
CN102695109A (en) * 2012-06-28 2012-09-26 深圳市聚鑫城科技有限公司 Earphone with automatic sensing function
CN103632419A (en) * 2012-08-29 2014-03-12 北京同方微电子有限公司 Audio-frequency USB key with multiple earphone interfaces
CN103365418A (en) * 2013-06-24 2013-10-23 张宝权 Drive-by-wire method for multi-platform application and adjustable drive-by-wire device
CN104035847A (en) * 2014-06-11 2014-09-10 深圳市文鼎创数据科技有限公司 Method and system for testing compatibility of audio shields
CN104035847B (en) * 2014-06-11 2017-06-30 深圳市文鼎创数据科技有限公司 A kind of audio shield compatibility test method and system
CN105430545A (en) * 2014-09-19 2016-03-23 中兴通讯股份有限公司 Earphone jack standard-conversion method and device, and mobile terminal

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C14 Grant of patent or utility model
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Effective date of registration: 20171106

Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop

Patentee after: HUAWEI terminal (Dongguan) Co., Ltd.

Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No.

Patentee before: Huawei Device Co., Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province

Patentee after: Huawei Device Co., Ltd.

Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province

Patentee before: HUAWEI terminal (Dongguan) Co., Ltd.

CX01 Expiry of patent term
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Granted publication date: 20110309