CN105635904A - Universal audio adaption apparatus and electronic devices - Google Patents
Universal audio adaption apparatus and electronic devices Download PDFInfo
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- CN105635904A CN105635904A CN201410682859.5A CN201410682859A CN105635904A CN 105635904 A CN105635904 A CN 105635904A CN 201410682859 A CN201410682859 A CN 201410682859A CN 105635904 A CN105635904 A CN 105635904A
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Abstract
The present invention provides a universal audio adaptation apparatus and electronic devices. When an audio interface of the electronic device is inserted into an audio interface of the adaptation apparatus of the present invention by using an adaptation circuit, a voltage detection value of Umic falls into an identification range of the audio interface of the electronic device. The adaptation apparatus can be applied to electronic devices with the audio interface of international standards or US standards, thereby having the advantage of high commonality.
Description
Technical field
The present invention relates to a kind of adaptive device and electronic equipment, particularly relate to a kind of universal audio adaptive device and electronic equipment.
Background technology
Current audio interface is divided into syllogic audio interface and four-part form audio interface, and wherein, four-part form audio interface is divided into again GB four-part form interface and American Standard four-part form interface. The pin 1 of GB four-part form interface is L channel pin, pin 2 is R channel pin, pin 3 is Mike's pin, pin 4 is ground pin, and the pin set-up mode of American Standard four-part form interface is then different, wherein, pin 1 is L channel pin, pin 2 is R channel pin, and pin 3 is GND pin, and pin 4 is Mike's pin. For the headset plug of GB four-part form, as it is shown in figure 1, L channel loudspeaker the first end is connected with pin 1, its second end is connected with pin 4; R channel loudspeaker the first end is connected with pin 2, and its second end is connected with pin 4; Mike's the first end is connected with pin 3, and the second end is connected with pin 4.
Between earphone and the electronic equipment with audio interface with the use of identification process as follows, headset plug is after inserting audio interface, electronic equipment can Umic voltage between automatic test earphone Mike and ground, only when the Umic voltage detected is in the identification range of audio interface, audio interface just assert that headset plug inserts successfully. Owing in audio interface, GB four-part form interface is different with the line sequence of Mike's pin of American Standard four-part form interface and ground pin, cause that detection line sequence during different types of electronic equipment detection Umic voltage is different, therefore, simple employing GB four-part form interface headphones or American Standard four-part form interface headphones cannot be applicable to all of electronic equipment with audio interface on the market, the shortcoming with earphone adapting universal difference.
Summary of the invention
For this, the problem that the technical problem to be solved is in that to overcome prior art sound intermediate frequency interface generality difference, it is provided that a kind of universal audio adaptive device and electronic equipment.
For solving above-mentioned technical problem, one aspect of the present invention provides a kind of universal audio adaptive device, including: adaptive device audio interface and adapter circuit; Described adaptive device audio interface at least includes the first pin and the second pin, and described first pin is in Mike's pin or ground pin, and described second pin is another in Mike's pin or ground pin; Described adapter circuit, for when described adaptive device audio interface is connected with electronic equipment audio frequency interface, coordinating electronic equipment to complete the detection to described adaptive device audio interface Yu described electronic equipment audio frequency interface successful match; Wherein, described adapter circuit at least includes: load unit and bidirectional voltage boosting unit; First end of described load unit is connected with described first pin, second end of described load unit is connected with the first end of described bidirectional voltage boosting unit, second end of described bidirectional voltage boosting unit is connected with described second pin, and described bidirectional voltage boosting unit includes the one way conducting device of reverse parallel connection.
A kind of universal audio adaptive device, described load unit is the first resistance, the one way conducting device of described reverse parallel connection includes the first diode and the second diode, and described first diode and described second diode are symmetrical arranged, wherein, first end of described first resistance is connected with described first pin, and the second end of described first resistance is connected with the negative pole of the positive pole of described first diode and described second diode respectively; The negative pole of described first diode is connected with described second pin; The positive pole of described second diode is connected with described second pin.
A kind of universal audio adaptive device, described load unit is the first resistance, and the one way conducting device of described reverse parallel connection is bilateral diode, wherein, first end of described first resistance is connected with described first pin, and the second end of described first resistance is connected with the first end of described bilateral diode; Second end of described bilateral diode is connected with described second pin.
A kind of universal audio adaptive device, the resistance of described first resistance is 6k ����10k ��.
A kind of universal audio adaptive device, the resistance of described first resistance is 7.5k ����8.2k ��.
A kind of universal audio adaptive device, described first diode is germanium tube diode or silicone tube diode; Described second diode is germanium tube diode or silicone tube diode.
A kind of universal audio adaptive device, described bilateral diode is germanium tube bilateral diode or silicone tube bilateral diode.
Another aspect of the present invention provides a kind of electronic equipment, including: universal audio adaptive device as above.
Another aspect of the invention provides a kind of universal audio adaptive device, including: adaptive device audio interface and adapter circuit; Described adaptive device audio interface at least includes the first pin and the second pin, and described first pin is in Mike's pin or ground pin, and described second pin is another in Mike's pin or ground pin; Described adapter circuit, for when described adaptive device audio interface is connected with electronic equipment audio frequency interface, coordinating electronic equipment to complete the detection to described adaptive device audio interface Yu described electronic equipment audio frequency interface successful match; Wherein, described adapter circuit at least includes: the first adaptation unit and the second adaptation unit; Described first adaptation unit includes the first load component and the first boost parts, first end of described first load component is connected with described first pin, second end of described first load component is connected with the first end of described first boost parts, and the second end of described first boost parts is connected with described second pin; Described second adaptation unit includes the second load component and the second boost parts, first end of described second load component is connected with described second pin, second end of described second load component is connected with the first end of described second boost parts, and the second end of described second boost parts is connected with described first pin; Described first boost parts is one way conducting device, and described second boost parts is one way conducting device, and two described one way conducting devices are symmetrical arranged.
A kind of universal audio adaptive device, described first load component is the second resistance, described first boost parts is the first audion, described second load component is the 3rd resistance, described second boost parts is the second audion, and wherein, the first end of described second resistance is connected with described first pin, second end of described second resistance is connected with the base stage of described first audion, and the emitter stage of described first audion is connected with described second pin; First end of described 3rd resistance is connected with described second pin, and the second end of described 3rd resistance is connected with the base stage of described second audion, and the emitter stage of described second audion is connected with described first pin.
A kind of universal audio adaptive device, the resistance of described second resistance is 4k ����9k ��, and the resistance of the 3rd resistance is 4k ����9k ��.
A kind of universal audio adaptive device, the resistance of described second resistance is 5k ����7k ��, and the resistance of described 3rd resistance is 5k ����7k ��.
A kind of universal audio adaptive device, the resistance of described second resistance is 5.6k ����6.2k ��, and the resistance of described 3rd resistance is 5.6k ����6.2k ��.
A kind of universal audio adaptive device, described first audion is germanium tube audion or silicone tube audion; Second audion is germanium tube audion or silicone tube audion.
Another aspect of the invention provides a kind of electronic equipment, including: universal audio adaptive device as above.
The technique scheme of the present invention has the advantage that compared to existing technology
A kind of universal audio adaptive device provided by the invention and electronic equipment, realize when the adaptive device audio interface of the present invention inserts electronic equipment audio frequency interface by adapter circuit, the voltage detecting value making Umic falls into the identification range of electronic equipment audio frequency interface, present invention may apply to the electronic equipment with GB audio interface or American Standard audio interface, the advantage therefore with highly versatile.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to specific embodiments of the invention and in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the circuit diagram of the background technology of the present invention;
Fig. 2 is the structure chart of embodiments of the invention 1;
Fig. 3 is the circuit diagram of embodiments of the invention 1;
Fig. 4 is the structure chart of embodiments of the invention 2;
Fig. 5 is the circuit diagram of embodiments of the invention 2.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into protection scope of the present invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention. additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or quantity or position.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in the present invention.
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail.
Embodiment 1
The present embodiment 1 provides a kind of universal audio adaptive device, as in figure 2 it is shown, include: adaptive device audio interface and adapter circuit.
Adaptive device audio interface at least includes the first pin and the second pin, and the first pin is in Mike's pin or ground pin, and the second pin is another in Mike's pin or ground pin.
Adapter circuit, for when adaptive device audio interface is connected with electronic equipment audio frequency interface, coordinating electronic equipment to complete the detection to adaptive device audio interface Yu electronic equipment audio frequency interface successful match.
Wherein, adapter circuit at least includes: load unit and bidirectional voltage boosting unit.
First end of load unit and the first pin connect, and the second end of load unit is connected with the first end of bidirectional voltage boosting unit, and the second end of bidirectional voltage boosting unit and the second pin connect, and bidirectional voltage boosting unit includes the one way conducting device of reverse parallel connection. In the present invention, two one way conducting devices are symmetrical arranged. In the present embodiment, two one way conducting devices are symmetrical arranged, and are the type of two one way conducting devices, specification, parameter all identical; Reverse parallel connection, the outfan of the input and second one way conducting device that are first one way conducting device connects, and the input of the outfan of first one way conducting device and second one way conducting device connects. By being symmetrical arranged two one way conducting devices, when subsequent design connected circuit respectively, simplify design, it is not necessary to the various parameters considering that one way conducting device is asymmetric when arranging.
After adaptive device audio interface is connected with electronic equipment audio frequency interface, load unit is for carrying out current limliting and dividing potential drop when electronic equipment detects Umic voltage; Bidirectional voltage boosting unit is for when electronic equipment detects Umic voltage so that the voltage pin over the ground at bidirectional voltage boosting unit two ends raises, and wherein, bidirectional voltage boosting unit two ends are the two ends being positioned at bidirectional voltage boosting unit in the circuit that bidirectional voltage boosting unit turns on.
Audio adaptation apparatus in the present invention can be any a four-section type headset plug or jack, for instance diameter is headset plug or the earphone jack of 3.5mm or 2.5mm. If adaptive device audio interface is headset plug, then can directly adaptive device audio interface be inserted in the earphone jack of electronic equipment audio frequency interface; If adaptive device audio interface is earphone jack, it is possible to adaptive device audio interface is connected by the patchcord that employing two ends are all headset plugs with electronic equipment audio frequency interface.
When adaptive device audio interface is GB interface, this first pin can be Mike's pin (being positioned at pin 3 position), and the second pin is ground pin (being positioned at pin 4 position); Certainly, this first pin can also be ground pin (being positioned at pin 4 position), and the second pin is Mike's pin (being positioned at pin 3 position).
When adaptive device audio interface is American Standard interface, this first pin can be Mike's pin (being positioned at pin 4 position), and the second pin is ground pin (being positioned at pin 3 position); Certainly, this first pin can also be ground pin (being positioned at pin 3 position), and the second pin is Mike's pin (being positioned at pin 4 position).
Hereinafter, the present invention is positioned at pin 3 position with the first pin, the second pin is positioned at pin 4 position, adaptive device audio interface illustrates for headset plug, electronic equipment audio frequency interface for earphone jack:
When electronic equipment audio frequency interface adopts GB interface, Mike's pin of electronic equipment audio frequency interface is positioned at pin 3 position, the ground pin of electronic equipment audio frequency interface is positioned at pin 4 position, in use, adaptive device audio interface is inserted in the jack of electronic equipment audio frequency interface, now, first pin of adaptive device audio interface is connected with Mike's pin of electronic equipment audio frequency interface, second pin is connected with electronic equipment audio frequency interface ground pin, when electronic equipment carries out Umic voltage detecting, adapter circuit makes Umic voltage fall into the voltage identification scope of electronic equipment audio frequency interface, now, ensure that adaptive device audio interface and electronic equipment audio frequency interface match.
When electronic equipment audio frequency interface adopts American Standard interface, Mike's pin of electronic equipment audio frequency interface is positioned at pin 4 position, the ground pin of electronic equipment audio frequency interface is positioned at pin 3 position, in use, adaptive device audio interface is inserted in the jack of electronic equipment audio frequency interface, now, second pin of adaptive device audio interface is connected with Mike's pin of electronic equipment audio frequency interface, first pin is connected with electronic equipment audio frequency interface ground pin, adapter circuit makes Umic voltage fall into the voltage identification scope of electronic equipment audio frequency interface, now, ensure that adaptive device audio interface and electronic equipment audio frequency interface match.
Certainly, when the first pin is positioned at pin 4 position, when the second pin is positioned at pin 3 position, in technical scheme, pin is according to doing corresponding adjustment, namely can realize the technical program equally.
When the adaptive device audio interface of the present invention inserts electronic equipment audio frequency interface, the present invention realizes the identification range making the voltage detecting value of Umic fall into electronic equipment audio frequency interface by adapter circuit, present invention may apply to GB interface or the electronic equipment of American Standard interface, the advantage therefore with highly versatile.
Below, make the first pin be positioned at pin 3 position, the second pin is positioned at pin 4 position, electronic equipment audio frequency interface adopts GB interface to be that example illustrates, certainly, as other embodiments, electronic equipment audio frequency interface can also adopt American Standard interface, it is, of course, also possible to make the first pin be positioned at pin 4 position, the second pin is positioned at pin 3 position, be not described in detail in this.
A detailed description of the invention as the present embodiment 1, as shown in Figure 3, in present embodiment, bidirectional voltage boosting unit includes the diode of a pair reverse parallel connection, wherein, the diode of reverse parallel connection includes the first diode Q1 and the second diode Q2, and the first diode Q1 and the second diode Q2 is symmetrical arranged. In the present embodiment, the first diode Q1 and the second diode Q2 is symmetrical arranged, and is the type of two diodes, specification, parameter all identical. Wherein, load unit is the first resistance R1, and the one way conducting device of reverse parallel connection includes the first diode Q1 and the second diode Q2. When the adaptive device audio interface of the present invention inserts electronic equipment audio frequency interface, first end of the first resistance R1 is connected with Mike's pin of electronic equipment audio frequency interface, and second end of the first resistance R1 is connected with the negative pole of the positive pole of the first diode Q1 and the second diode Q2 respectively. The negative pole of the first diode Q1 is connected with the ground pin of electronic equipment audio frequency interface. The positive pole of the second diode Q2 is connected with the ground pin of electronic equipment audio frequency interface. When the ranging for 6k ����10k �� of resistance of the first resistance R1, the present invention just can be mated with the most of electronic equipment on market. When the resistance of the first resistance R1 is reduced into 7.5k ����8.2k �� further, the present invention can be applicable to the most electronic equipments on market, and its versatility will be further enhanced. In present embodiment, in order to obtain the technique effect of the best, when the first diode Q1 and the second diode Q2 is germanium tube diode, the first resistance R1 preferably employs the resistance that resistance is 7.8k ��; When the first diode Q1 and the second diode Q2 is silicone tube diode, the first resistance R1 preferably employs the resistance that resistance is 8.1k ��.
When electronic equipment audio frequency interface is GB interface, Mike's pin of electronic equipment audio frequency interface is positioned at pin 3 position, the ground pin of electronic equipment audio frequency interface is positioned at pin 4 position, in use, adaptive device audio interface directly or is inserted in the jack of electronic equipment audio frequency interface through switching, now, first pin of adaptive device audio interface is connected with Mike's pin of electronic equipment audio frequency interface, second pin is connected with electronic equipment audio frequency interface ground pin, when electronic equipment detects, second diode Q2 is in cut-off state, first diode Q1 is in the conduction state, therefore, the voltage of the positive terminal anticathode end of the first diode Q1 boosts, first resistance R1 carries out current limliting and dividing potential drop, ensure that the voltage of electronic equipment detection Umic falls into the voltage identification scope of electronic equipment audio frequency interface, thus, ensure that adaptive device audio interface and electronic equipment audio frequency interface match.
When electronic equipment audio frequency interface is American Standard interface, Mike's pin of electronic equipment audio frequency interface is positioned at pin 4 position, the ground pin of electronic equipment audio frequency interface is positioned at pin 3 position, in use, adaptive device audio interface directly or is inserted in the jack of electronic equipment audio frequency interface through switching, now, second pin of adaptive device audio interface is connected with Mike's pin of electronic equipment audio frequency interface, first pin is connected with electronic equipment audio frequency interface ground pin, when electronic equipment detects, first diode Q1 is in cut-off state, second diode Q2 is in the conduction state, therefore, the voltage of the positive terminal anticathode end of the second diode Q2 boosts, first resistance R1 carries out current limliting and dividing potential drop, ensure that the voltage of electronic equipment detection Umic falls into the voltage identification scope of electronic equipment audio frequency interface, thus, ensure that adaptive device audio interface and electronic equipment audio frequency interface match.
The adapter circuit of the present invention coordinates electronic equipment to carry out the detection of Umic voltage by the diode of resistance and two mutual Opposite direction connections, thus realizing, when adaptive device audio interface is attached with electronic equipment audio frequency interface, making Umic voltage fall into the magnitude of voltage identification range of electronic equipment audio frequency interface. Present invention may apply to GB interface or the electronic equipment of American Standard interface, and most electronic equipment audio frequency interface can carry out match cognization with on market, improve the versatility of audio adaptation apparatus, and the present invention adopts resistance and diode just to improve the versatility of audio adaptation apparatus, therefore has the advantage that cost is low.
As the another one detailed description of the invention of the present embodiment 1, load unit is the first resistance R1, and the one way conducting device of described reverse parallel connection is bilateral diode. Wherein, bilateral diode is germanium tube bilateral diode or silicone tube bilateral diode. The resistance of the first resistance R1 is 6k ����10k ��, and in order to obtain technique effect more preferably, the resistance of the first resistance R1 could be arranged to 7.5k ����8.2k �� further. In present embodiment, in order to obtain the technique effect of the best, when bilateral diode is germanium tube bilateral diode, the resistance that the first resistance R1 adopts resistance to be 7.8k ��; When bilateral diode is silicone tube bilateral diode.
When bilateral diode substitutes the diode of two mutual Opposite direction connections as bidirectional voltage boosting unit, its principle is identical as bidirectional voltage boosting unit with the diode of two mutual Opposite direction connections, it is possible to reaches identical effect, is not described in detail in this.
The present embodiment 1 also provides for a kind of electronic equipment, and this electronic equipment can include above-mentioned universal audio adaptive device. This electronic equipment can be intelligent cipher equipment (audio frequency KEY), earphone, the audio switching device switching device of other interfaces (audio interface turn) or other devices that can carry out data transmission by audio interface.
Embodiment 2
The present embodiment 2 provides a kind of universal audio adaptive device, as shown in Figure 4, including: adaptive device audio interface and adapter circuit.
Adaptive device audio interface at least includes the first pin and the second pin, and the first pin is in Mike's pin or ground pin, and the second pin is another in Mike's pin or ground pin.
Adapter circuit, for when adaptive device audio interface is connected with electronic equipment audio frequency interface, coordinating electronic equipment to complete the detection to adaptive device audio interface Yu electronic equipment audio frequency interface successful match.
Wherein, adapter circuit at least includes: the first adaptation unit and the second adaptation unit;
First adaptation unit includes the first load component and the first boost parts, first end of the first load component and the first pin connect, second end of the first load component and the first end of the first boost parts connect, and the second end of the first boost parts and the second pin connect.
Second adaptation unit includes the second load component and the second boost parts, first end of the second load component and the second pin connect, second end of the second load component and the first end of the second boost parts connect, and the second end of the second boost parts and the first pin connect;
Described first boost parts is one way conducting device, and described second boost parts is one way conducting device, and two described one way conducting devices are symmetrical arranged. The described one way conducting device of described in the present embodiment two is symmetrical arranged, and is the type of two described one way conducting devices, specification, parameter all identical. By being symmetrical arranged two one way conducting devices, when subsequent design connected circuit respectively, simplify design, it is not necessary to the various parameters considering that one way conducting device is asymmetric when arranging.
After adaptive device audio interface is connected with electronic equipment audio frequency interface, load component (the first load component or the second load component) is for carrying out current limliting and dividing potential drop when electronic equipment detects Umic voltage; Boost parts (the first boost parts or the second boost parts) is for when electronic equipment detects Umic voltage, the power supply pin over the ground making boost parts two ends raises, wherein, boost parts two ends are the two ends being positioned at boost parts in the circuit that boost parts turns on.
Adaptive device interface in the present invention can be any a four-section type headset plug or jack, for instance diameter is headset plug or the earphone jack of 3.5mm or 2.5mm. If the audio adaptation apparatus in the present invention is headset plug, then can directly the audio adaptation apparatus of the present invention be inserted in the earphone jack of electronic equipment; If the audio adaptation apparatus in the present invention is earphone jack, it is possible to adaptive device audio interface is connected by the patchcord that employing two ends are all headset plugs with electronic equipment.
When adaptive device audio interface is GB interface, this first pin can be ground pin (being positioned at pin 4 position) for Mike's pin (being positioned at pin 3 position), the second pin; Certainly, this first pin can also be ground pin (being positioned at pin 4 position), and the second pin is Mike's pin (being positioned at pin 3 position).
When adaptive device audio interface is American Standard interface, this first pin can be Mike's pin (being positioned at pin 4 position), and the second pin is ground pin (being positioned at pin 3 position); Certainly, this first pin can also be ground pin (being positioned at pin 3 position), and the second pin is Mike's pin (being positioned at pin 4 position).
Hereinafter, the present invention is positioned at pin 3 position with the first pin, the second pin is positioned at pin 4 position, adaptive device audio interface illustrates for headset plug, electronic equipment audio frequency interface for earphone jack:
When electronic equipment audio frequency interface is GB interface, Mike's pin of electronic equipment audio frequency interface is positioned at pin 3 position, the ground pin of electronic equipment audio frequency interface is positioned at pin 4 position, in use, adaptive device audio interface is inserted in the jack of electronic equipment audio frequency interface, now, first pin of adaptive device audio interface is connected with Mike's pin of electronic equipment audio frequency interface, second pin is connected with electronic equipment audio frequency interface ground pin, when electronic equipment carries out Umic voltage detecting, adapter circuit makes Umic voltage fall into the voltage identification scope of electronic equipment audio frequency interface, now, ensure that adaptive device audio interface and electronic equipment audio frequency interface match.
When electronic equipment audio frequency interface is American Standard interface, Mike's pin of electronic equipment audio frequency interface is positioned at pin 4 position, the ground pin of electronic equipment audio frequency interface is positioned at pin 3 position, in use, adaptive device audio interface is inserted in the jack of electronic equipment, now, second pin of adaptive device audio interface is connected with Mike's pin of electronic equipment audio frequency interface, first pin is connected with electronic equipment audio frequency interface ground pin, adapter circuit makes Umic voltage fall into the voltage identification scope of electronic equipment audio frequency interface, now, ensure that adaptive device audio interface and electronic equipment audio frequency interface match.
Certainly, when the first pin is positioned at pin 4 position, when the second pin is positioned at pin 3 position, in technical scheme, pin is according to doing corresponding adjustment, namely can realize the technical program equally.
When the adaptive device audio interface of the present invention inserts electronic equipment audio frequency interface, the present invention realizes the magnitude of voltage identification range making Umic voltage fall into electronic equipment audio frequency interface by adapter circuit, present invention may apply to GB interface or the electronic equipment of American Standard interface, the advantage therefore with highly versatile. And the present invention just improves the versatility of audio adaptation apparatus only with resistance and audion, therefore there is the advantage that cost is low.
Below, make the first pin be positioned at pin 3 position, the second pin is positioned at pin 4 position, electronic equipment audio frequency interface adopts GB interface to be that example illustrates, certainly, as other embodiments, electronic equipment audio frequency interface can also adopt American Standard interface, it is, of course, also possible to make the first pin be positioned at pin 4 position, the second pin is positioned at pin 3 position, be not described in detail in this.
As a specific embodiment of the present embodiment 2, as it is shown in figure 5, the first load component is the second resistance R2, the first boost parts is the first audion D1, and the second load component is the 3rd resistance R3, and the second boost parts is the second audion D2. Wherein, when the adaptive device audio interface of the present invention inserts electronic equipment audio frequency interface, first end of the second resistance R2 is connected with Mike's pin of electronic equipment audio frequency interface, second end of the second resistance R2 and the base stage of the first audion D1 connect, and the emitter stage of the first audion D1 is connected with the ground pin of electronic equipment audio frequency interface. First end of the 3rd resistance R3 is connected with the ground pin of electronic equipment audio frequency interface, and second end of the 3rd resistance R3 and the base stage of the second audion D2 connect, and the emitter stage of the second audion D2 is connected with Mike's pin of electronic equipment audio frequency interface.
Wherein, the first audion D1 is germanium tube audion or silicone tube audion. Second audion D2 is germanium tube audion or silicone tube audion.
The resistance of the second resistance R2 is 4k ����9k ��, and the resistance of the 3rd resistance is 4k ����9k ��. The present invention just can be mated with the most of electronic equipment on market. When the resistance of the second resistance R2 could be arranged to 5k ����7k �� further, when the resistance of the 3rd resistance is 5k ����7k ��, the present invention can be applicable to the most electronic equipments on market, and its versatility will be further enhanced. When the resistance of the second resistance R2 is set to 5.6k ����6.2k ��, the resistance of the 3rd resistance is 5.6k ����6.2k ��, and the versatility of the present invention can be more preferably. When the first audion D1 and the second audion D2 is germanium tube audion, resistance R2 and resistance R3 is 6.2k ��, or, when the first audion D1 and the second audion D2 is silicone tube audion, resistance R2 and resistance R3 is 5.7k ��, the technique effect that the present invention obtains can be best, and its versatility is best.
When electronic equipment audio frequency interface is GB interface, Mike's pin of electronic equipment audio frequency interface is positioned at pin 3 position, the ground pin of electronic equipment audio frequency interface is positioned at pin 4 position, in use, adaptive device audio interface directly or is inserted in the jack of electronic equipment audio frequency interface through switching, when electronic equipment detects, second audion D2 is in cut-off state, first audion D1 is in the conduction state, therefore, the voltage of emitter terminal is boosted by the base terminal of the first audion D1, second resistance R2 carries out current limliting and dividing potential drop, ensure that the voltage of electronic equipment detection Umic falls into the voltage identification scope of electronic equipment audio frequency interface, thus, ensure that adaptive device audio interface and electronic equipment audio frequency interface match.
When electronic equipment audio frequency interface is American Standard interface, Mike's pin of electronic equipment audio frequency interface is positioned at pin 4 position, the ground pin of electronic equipment audio frequency interface is positioned at pin 3 position, in use, adaptive device audio interface directly or is inserted in the jack of electronic equipment audio frequency interface through switching, when electronic equipment detects, first audion D1 is in cut-off state, second audion D2 is in the conduction state, therefore, the voltage of emitter terminal is boosted by the base terminal of the second audion D2, 3rd resistance R3 carries out current limliting and dividing potential drop, ensure that the voltage of electronic equipment detection Umic falls into the voltage identification scope of electronic equipment audio frequency interface, thus, ensure that adaptive device audio interface and electronic equipment audio frequency interface match.
The adapter circuit of the present invention coordinates electronic equipment to carry out the detection of Umic voltage by resistance and audion, thus realizing, when adaptive device audio interface is attached with electronic equipment audio frequency interface, making Umic voltage fall into the magnitude of voltage identification range of electronic equipment audio frequency interface. Present invention may apply to GB interface or the electronic equipment of American Standard interface, the advantage therefore with highly versatile. And the present invention just improves the versatility of audio adaptation apparatus only with resistance and audion, therefore there is the advantage that cost is low.
The present embodiment 2 also provides for a kind of electronic equipment, and this electronic equipment can include above-mentioned universal audio adaptive device. This electronic equipment can be intelligent cipher equipment (audio frequency KEY), earphone, the audio switching device switching device of other interfaces (audio interface turn) or other devices that can carry out data transmission by audio interface.
Describe in flow chart or in this any process described otherwise above or method and be construed as, represent and include the module of code of executable instruction of one or more step for realizing specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press order that is shown or that discuss, including according to involved function by basic mode simultaneously or in the opposite order, performing function, this should be understood by embodiments of the invention person of ordinary skill in the field.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination. In the above-described embodiment, multiple steps or method can realize with the storage software or firmware in memory and by suitable instruction execution system execution. Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: there is the discrete logic of logic gates for data signal realizes logic function, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries can be by the hardware that program carrys out instruction relevant and complete, described program can be stored in a kind of computer-readable recording medium, this program upon execution, including the step one or a combination set of of embodiment of the method.
Additionally, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a module. Above-mentioned integrated module both can adopt the form of hardware to realize, it would however also be possible to employ the form of software function module realizes. If described integrated module is using the form realization of software function module and as independent production marketing or use, it is also possible to be stored in a computer read/write memory medium.
Storage medium mentioned above can be read only memory, disk or CD etc.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention. In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example. And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, being not considered as limiting the invention, above-described embodiment can be changed when without departing from principles of the invention and objective, revises, replace and modification by those of ordinary skill in the art within the scope of the invention. The scope of the invention and equivalency.
Claims (15)
1. a universal audio adaptive device, it is characterised in that including: adaptive device audio interface and adapter circuit;
Described adaptive device audio interface at least includes the first pin and the second pin, and described first pin is in Mike's pin or ground pin, and described second pin is another in Mike's pin or ground pin;
Described adapter circuit, for when described adaptive device audio interface is connected with electronic equipment audio frequency interface, coordinating electronic equipment to complete the detection to described adaptive device audio interface Yu described electronic equipment audio frequency interface successful match;
Wherein, described adapter circuit at least includes: load unit and bidirectional voltage boosting unit;
First end of described load unit is connected with described first pin, second end of described load unit is connected with the first end of described bidirectional voltage boosting unit, second end of described bidirectional voltage boosting unit is connected with described second pin, and described bidirectional voltage boosting unit includes the one way conducting device of reverse parallel connection.
2. universal audio adaptive device according to claim 1, it is characterised in that described load unit is the first resistance, the one way conducting device of described reverse parallel connection includes the first diode and the second diode, and described first diode and described second diode are symmetrical arranged, wherein
First end of described first resistance is connected with described first pin, and the second end of described first resistance is connected with the negative pole of the positive pole of described first diode and described second diode respectively;
The negative pole of described first diode is connected with described second pin;
The positive pole of described second diode is connected with described second pin.
3. universal audio adaptive device according to claim 1, it is characterised in that described load unit is the first resistance, the one way conducting device of described reverse parallel connection is bilateral diode, wherein,
First end of described first resistance is connected with described first pin, and the second end of described first resistance is connected with the first end of described bilateral diode;
Second end of described bilateral diode is connected with described second pin.
4. the universal audio adaptive device according to Claims 2 or 3, it is characterised in that
The resistance of described first resistance is 6k ����10k ��.
5. universal audio adaptive device according to claim 4, it is characterised in that
The resistance of described first resistance is 7.5k ����8.2k ��.
6. universal audio adaptive device according to claim 2, it is characterised in that described first diode is germanium tube diode or silicone tube diode; Described second diode is germanium tube diode or silicone tube diode.
7. universal audio adaptive device according to claim 3, it is characterised in that described bilateral diode is germanium tube bilateral diode or silicone tube bilateral diode.
8. an electronic equipment, it is characterised in that including: the universal audio adaptive device as described in any one of claim 1 to 7.
9. a universal audio adaptive device, it is characterised in that including: adaptive device audio interface and adapter circuit;
Described adaptive device audio interface at least includes the first pin and the second pin, and described first pin is in Mike's pin or ground pin, and described second pin is another in Mike's pin or ground pin;
Described adapter circuit, for when described adaptive device audio interface is connected with electronic equipment audio frequency interface, coordinating electronic equipment to complete the detection to described adaptive device audio interface Yu described electronic equipment audio frequency interface successful match;
Wherein, described adapter circuit at least includes: the first adaptation unit and the second adaptation unit;
Described first adaptation unit includes the first load component and the first boost parts, first end of described first load component is connected with described first pin, second end of described first load component is connected with the first end of described first boost parts, and the second end of described first boost parts is connected with described second pin;
Described second adaptation unit includes the second load component and the second boost parts, first end of described second load component is connected with described second pin, second end of described second load component is connected with the first end of described second boost parts, and the second end of described second boost parts is connected with described first pin;
Described first boost parts is one way conducting device, and described second boost parts is one way conducting device, and two described one way conducting devices are symmetrical arranged.
10. universal audio adaptive device according to claim 9, it is characterised in that described first load component is the second resistance, described first boost parts is the first audion, and described second load component is the 3rd resistance, and described second boost parts is the second audion, wherein
First end of described second resistance is connected with described first pin, and the second end of described second resistance is connected with the base stage of described first audion, and the emitter stage of described first audion is connected with described second pin;
First end of described 3rd resistance is connected with described second pin, and the second end of described 3rd resistance is connected with the base stage of described second audion, and the emitter stage of described second audion is connected with described first pin.
11. universal audio adaptive device according to claim 10, it is characterised in that
The resistance of described second resistance is 4k ����9k ��, and the resistance of the 3rd resistance is 4k ����9k ��.
12. universal audio adaptive device according to claim 11, it is characterised in that
The resistance of described second resistance is 5k ����7k ��, and the resistance of described 3rd resistance is 5k ����7k ��.
13. universal audio adaptive device according to claim 12, it is characterised in that
The resistance of described second resistance is 5.6k ����6.2k ��, and the resistance of described 3rd resistance is 5.6k ����6.2k ��.
14. universal audio adaptive device according to claim 10, it is characterised in that described first audion is germanium tube audion or silicone tube audion; Second audion is germanium tube audion or silicone tube audion.
15. an electronic equipment, it is characterised in that including: the universal audio adaptive device as described in any one of claim 9 to 14.
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| CN201410682859.5A CN105635904A (en) | 2014-11-24 | 2014-11-24 | Universal audio adaption apparatus and electronic devices |
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| CN201410682859.5A CN105635904A (en) | 2014-11-24 | 2014-11-24 | Universal audio adaption apparatus and electronic devices |
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| CN201410682859.5A Pending CN105635904A (en) | 2014-11-24 | 2014-11-24 | Universal audio adaption apparatus and electronic devices |
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