CN102969633B - A kind of conversion equipment - Google Patents
A kind of conversion equipment Download PDFInfo
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- CN102969633B CN102969633B CN201210507717.6A CN201210507717A CN102969633B CN 102969633 B CN102969633 B CN 102969633B CN 201210507717 A CN201210507717 A CN 201210507717A CN 102969633 B CN102969633 B CN 102969633B
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Abstract
Embodiments provide a kind of conversion equipment, comprise at least one plug, USB jack and switching part; First pin of plug receives left channel signals, and the second pin receives right-channel signals, and three-prong receives the earth signal of signal or the receiving equipment output inputted by microphone, the earth signal that the 4th pin receiving equipment exports or the signal that reception is inputted by microphone; Switching part controls the first data terminal in USB interface and is connected with the first pin, second data terminal is connected with the second pin, user identifies that pin is connected with the three-prong receiving signal that inputted by microphone, that be sent to equipment in plug, and the 4th pin of the earth signal that ground pin exports with receiving equipment in plug is connected; Or control user and identify that the three-prong of the earth signal that pin exports with receiving equipment in plug is connected, ground pin is connected with the 4th pin receiving signal that inputted by microphone, that be sent to equipment in plug.
Description
Technical field
The present invention relates to field of electronic devices, particularly relate to a kind of conversion equipment.
Background technology
At present, headset plug is mainly divided into two kinds of standards, and a kind of is open mobile-terminal platform standard, i.e. GB, another kind is mobile communications industry association criterion, i.e. American Standard, and these two kinds of standards are distinguished to some extent in the arrangement of pin.Fig. 1 a is the structural representation of American Standard headset plug, and pin one 1 is for exporting left channel signals, and pin one 2 is for exporting right-channel signals, and pin one 3 is for ground connection, and pin one 4 is for receiving the signal inputted by microphone.Fig. 1 b is the structural representation of GB headset plug, it is that pin one 1 exports left channel signals equally, pin one 2 exports right-channel signals, pin one 3 ground connection, pin one 4 receives the signal inputted by microphone, but the difference of the GB earphone shown in it and Fig. 1 a is, pin one 3 there occurs exchange with the position of pin one 4.
In addition, the headset plug that earphone is conventional also has two types: one be the plug of USB formula, and another is the plug of 2.5mm/3.5mm, and both will use by the corresponding coupling equipment with corresponding interface.
And most equipment in the market all can only support a kind of earphone of standard and a kind of headset plug type, that is, when the headset plug of a kind of standard and type of plug is inserted on the equipment of the headset plug supporting another kind of standard and type of plug, this equipment is by None-identified and its standard and the unmatched headset plug of type of plug.
Therefore, when user changes new equipment, if new equipment and existing equipment support is the headset plug of various criterion and type of plug, so just need correspondingly to change earphone when more exchange device, otherwise new equipment None-identified and the supporting earphone of existing equipment, will cause the wasting of resources like this.
In sum, there is multiple standards and type of plug in current headset plug, but existing most equipment can only support the headset plug of a kind of standard and type of plug, this just needs the earphone of the headset plug of the equipment configuration respective standard of the headset plug for supporting various criterion and type of plug, thus causes the wasting of resources.
Summary of the invention
Embodiments provide a kind of conversion equipment, in order to solve because current headset plug exists multiple standards and multiple type of plug, and most equipment can only support the headset plug of a kind of standard and type of plug, make the earphone of the headset plug of the equipment configuration respective standard of the headset plug needed for supporting various criterion and type of plug, thus cause the problem of the wasting of resources.
Based on the problems referred to above, a kind of conversion equipment that the embodiment of the present invention provides, comprising: at least one plug, USB jack and switching part;
Described plug comprises: the first pin, the second pin, three-prong and the 4th pin, wherein, the left channel signals that described first pin exports for receiving the equipment that is connected with described conversion equipment, the right-channel signals that described second pin exports for receiving described equipment, described three-prong for receive signal that inputted by microphone, that be sent to described equipment or for receive described equipment export earth signal, described 4th pin for receive described equipment export earth signal or for receiving signal that inputted by microphone, that be sent to described equipment;
Described USB jack comprises: the first data terminal, the second data terminal, user identify pin and ground pin, and wherein, described first data terminal, the second data terminal, user identify that pin and ground pin are all connected with described switching part;
Described switching part is connected with described first pin for controlling described first data terminal, and described second data terminal is connected with described second pin;
For controlling described user, described switching part also identifies that pin is connected for the three-prong receiving signal that inputted by microphone, that be sent to described equipment with described plug, described ground pin is connected for the 4th pin receiving the earth signal that described equipment exports with described plug; Or, control described user and identify that pin is connected for the three-prong receiving the earth signal that described equipment exports with described plug, described ground pin is connected for the 4th pin receiving signal that inputted by microphone, that be sent to described equipment with described plug.
The embodiment of the present invention additionally provides another kind of conversion equipment, comprising: jack, link, USB plug and switching part;
Described link comprises: the first pin, the second pin, three-prong and the 4th pin, wherein, the left channel signals that described first pin exports for receiving the equipment that is connected with described conversion equipment, the right-channel signals that described second pin exports for receiving described equipment, described three-prong is for receiving signal that inputted by microphone, that be sent to described equipment, and described 4th pin is for receiving the earth signal of described equipment output;
Described USB plug comprises: the first data terminal, the second data terminal, user identify pin and ground pin, wherein, described first data terminal is connected with described first pin, described second data terminal is connected with described second pin, described user identifies that pin is connected with described three-prong, and described ground pin is connected with described 4th pin;
Described jack comprises: the 5th pin, the 6th pin, the 7th pin and the 8th pin, and described 5th pin is connected with described first pin, and described 6th pin is connected with described second pin, and described 7th pin and the 8th pin are connected with described switching part;
Described switching part, connect described three-prong for controlling described 7th pin, described 8th pin connects described 4th pin; Or control described 7th pin and connect described 4th pin, described 8th pin connects described three-prong.
The beneficial effect of the embodiment of the present invention comprises:
Embodiments provide a kind of conversion equipment, the first data terminal controlled in USB interface at switching part is connected with the first pin for receiving left channel signals, the second data terminal in USB interface is connected with the second pin for receiving right-channel signals, and the user controlled in USB interface identifies in pin and described plug and is inputted by microphone for receiving, the three-prong being sent to the signal of described equipment is connected, ground pin in USB interface is with when being connected for the 4th pin receiving the earth signal that described equipment exports in described plug, if the earphone of USB plug formula accesses this conversion equipment, this conversion equipment plays the effect identical with GB headset plug, and the earphone of USB plug formula is converted to the plug (plug of 2.5mm/3.5mm) of GB formula, the first data terminal controlled in USB interface at switching part is connected with the first pin for receiving left channel signals, the second data terminal in USB interface is connected with the second pin for receiving right-channel signals, and control described user and identify that pin is connected for the three-prong receiving the earth signal that described equipment exports with described plug, inputted by microphone for receiving in described ground pin and described plug, the 4th pin being sent to the signal of described equipment is connected, then this signal receiving device can play the effect identical with American Standard headset plug, and the earphone of USB plug formula is converted to the plug (plug of 2.5mm/3.5mm) of GB formula.Therefore, support that the equipment of the headset plug of various criterion and type of plug can identify this conversion equipment, namely, only be required to be this conversion equipment of Equipments Setting of the headset plug supporting various criterion and type of plug, and do not need the earphone of the headset plug of the equipment configuration respective standard of the headset plug for supporting various criterion and type of plug, thus overcome the problem of the wasting of resources.
Accompanying drawing explanation
Fig. 1 a is a kind of structural representation of plug of American Standard earphone;
Fig. 1 b is a kind of structural representation of plug of GB earphone;
The structural representation of a kind of conversion equipment that Fig. 2 provides for the embodiment of the present invention 1;
The structural representation of a kind of conversion equipment that Fig. 3 provides for the embodiment of the present invention 1;
The structural representation of a kind of conversion equipment that Fig. 4 provides for the embodiment of the present invention 1;
The structural representation of a kind of conversion equipment that Fig. 5 provides for the embodiment of the present invention 1;
The structural representation of a kind of conversion equipment that Fig. 6 provides for the embodiment of the present invention 1;
The structural representation of a kind of conversion equipment that Fig. 7 provides for the embodiment of the present invention 1;
The structural representation of a kind of conversion equipment that Fig. 8 provides for the embodiment of the present invention 1;
The structural representation of a kind of conversion equipment that Fig. 9 provides for the embodiment of the present invention 1;
The structural representation of a kind of conversion equipment that Figure 10 provides for the embodiment of the present invention 1;
The structural representation of a kind of conversion equipment that Figure 11 provides for the embodiment of the present invention 2;
The structural representation of a kind of conversion equipment that Figure 12 provides for the embodiment of the present invention 2;
The structural representation of a kind of conversion equipment that Figure 13 provides for the embodiment of the present invention 2;
The structural representation of a kind of conversion equipment that Figure 14 provides for the embodiment of the present invention 2;
The structural representation of a kind of conversion equipment that Figure 15 provides for the embodiment of the present invention 2;
The structural representation of a kind of conversion equipment that Figure 16 provides for the embodiment of the present invention 1.
Embodiment
The embodiment of the present invention provides a kind of conversion equipment, for overcoming the earphone of the headset plug of the Equipments Setting respective standard needed at present for supporting various criterion and type of plug, thus the problem of the wasting of resources caused.
Below in conjunction with Figure of description, the embodiment of a kind of conversion equipment that the embodiment of the present invention provides is described.
Embodiment 1
As shown in Figure 2, the conversion equipment that the embodiment of the present invention provides, this conversion equipment comprises at least one plug 21, USB jack 22 and switching part 23;
In the present embodiment, plug 21 comprises: the first pin, the second pin, three-prong and the 4th pin, wherein, the left channel signals that first pin exports for receiving the equipment that is connected with described conversion equipment, the right-channel signals that second pin exports for receiving described equipment, three-prong for receive signal that inputted by microphone, that be sent to described equipment or for receive described equipment export earth signal, the 4th pin for receive described equipment export earth signal or for receiving signal that inputted by microphone, that be sent to described equipment;
In the present embodiment, USB jack 22 comprises: the first data terminal, the second data terminal, user identify pin (Identity pin, and ground pin (Ground pin ID), GND), wherein, the first data terminal, the second data terminal, user identify that pin and ground pin are all connected with switching part 23; Wherein, the first data terminal is D-data terminal, and the second data terminal is D+ data terminal.
In the embodiment of the present invention, switching part 23 is connected with the first pin for controlling the first data terminal, and the second data terminal is connected with the second pin;
In the embodiment of the present invention, for controlling user, switching part 23 also identifies that pin is connected for the three-prong receiving signal that inputted by microphone, that be sent to described equipment with plug 21, ground pin is connected for the 4th pin receiving the earth signal that described equipment exports with plug 21; Or control user and identify that pin is connected for the three-prong receiving the earth signal that described equipment exports with plug 21, ground pin is connected for the 4th pin receiving signal that inputted by microphone, that be sent to described equipment with plug 21.
In the embodiment of the present invention, the external shape of plug 21 is cylindric, and diameter is 3.5mm or 2.5mm.
A kind of conversion equipment that the embodiment of the present invention provides, the first data terminal controlled in USB interface at switching part is connected with the first pin for receiving left channel signals, the second data terminal in USB interface is connected with the second pin for receiving right-channel signals, and the user controlled in USB interface identifies in pin and described plug and is inputted by microphone for receiving, the three-prong being sent to the signal of described equipment is connected, ground pin in USB interface is with when being connected for the 4th pin receiving the earth signal that described equipment exports in described plug, if the earphone of USB plug formula accesses this conversion equipment, this conversion equipment plays the effect identical with GB headset plug, and the earphone of USB plug formula is converted to the plug (plug of 2.5mm/3.5mm) of GB formula, the first data terminal controlled in USB interface at switching part is connected with the first pin for receiving left channel signals, the second data terminal in USB interface is connected with the second pin for receiving right-channel signals, and control described user and identify that pin is connected for the three-prong receiving the earth signal that described equipment exports with described plug, inputted by microphone for receiving in described ground pin and described plug, the 4th pin being sent to the signal of described equipment is connected, then this signal receiving device can play the effect identical with American Standard headset plug, and the earphone of USB plug formula is converted to the plug (plug of 2.5mm/3.5mm) of GB formula.Therefore, support that the equipment of the headset plug of various criterion and type of plug can identify this conversion equipment, namely, only be required to be this conversion equipment of Equipments Setting of the headset plug supporting various criterion and type of plug, and do not need the earphone of the headset plug of the equipment configuration respective standard of the headset plug for supporting various criterion and type of plug, thus overcome the problem of the wasting of resources.
As the embodiment of the first optional realization, see Fig. 3 or Fig. 4, switching part 23 comprises two holding wires, and the first data terminal is directly connected with the first pin by the holding wire of in switching part 23, and the second data terminal is directly connected with the second pin by another holding wire in switching part 23.
Switching part 23 also comprises double-pole double-throw switch, for controlling user, this double-point double-throw switch identifies that pin is connected for the three-prong receiving signal that inputted by microphone, that be sent to described equipment with plug 21, described ground pin is connected for the 4th pin receiving the earth signal that described equipment exports with plug 21; Or identify that pin is connected for the three-prong receiving the earth signal that described equipment exports with plug 21 for controlling described user, described ground pin is connected for the 4th pin receiving signal that inputted by microphone, that be sent to described equipment with plug 21;
Such as, see Fig. 3, described double-point double-throw switch is K1, the second end in K1 connects the three-prong for receiving signal that inputted by microphone, that be sent to described equipment, five terminal in double-point double-throw switch K1 connects the 4th pin for receiving the earth signal that described equipment exports, first end in double-point double-throw switch K1 is all connected ground pin with the 6th end in double-point double-throw switch K1, and the 3rd end in double-point double-throw switch K1 is all connected user with the 4th end in double-point double-throw switch K1 and identifies pin.
Or, see Fig. 4, described double-point double-throw switch is K2, the second end in double-point double-throw switch K2 connects ground pin, five terminal in double-point double-throw switch K2 connects user and identifies pin, first end in double-point double-throw switch K2 and the 6th end in double-point double-throw switch K2 are all connected the three-prong for receiving the earth signal that described equipment exports, and the 3rd end in double-point double-throw switch K2 and the 4th end in double-point double-throw switch K2 are all connected the 4th pin for receiving signal that inputted by microphone, that be sent to described equipment.
As the embodiment of the second optional realization, see Fig. 5 and Fig. 6, switching part 23 comprises two single-pole single-throw switch (SPST)s, one single-pole single-throw switch (SPST) is connected with described first pin for controlling described first data terminal, and another single-pole single-throw switch (SPST) is connected with described second pin for controlling described second data terminal.Particularly, switching part 23 comprises single-pole double-throw switch (SPDT) K3 and K4, and the not moved end of K3 is connected with described first pin, and the moved end of K3 is connected with described first data terminal, and the not moved end of K4 is connected with described second pin, and the moved end of K4 is connected with described second data terminal.
Switching part 23 also comprises double-pole double-throw switch, for controlling user, this double-point double-throw switch identifies that pin is connected for the three-prong receiving signal that inputted by microphone, that be sent to described equipment with plug 21, described ground pin is connected for the 4th pin receiving the earth signal that described equipment exports with plug 21; Or identify that pin is connected for the three-prong receiving the earth signal that described equipment exports with plug 21 for controlling described user, described ground pin is connected for the 4th pin receiving signal that inputted by microphone, that be sent to described equipment with plug 21;
Such as, see Fig. 5, described double-point double-throw switch is K1, the second end in K1 connects the three-prong for receiving signal that inputted by microphone, that be sent to described equipment, five terminal in double-point double-throw switch K1 connects the 4th pin for receiving the earth signal that described equipment exports, first end in double-point double-throw switch K1 is all connected ground pin with the 6th end in double-point double-throw switch K1, and the 3rd end in double-point double-throw switch K1 is all connected user with the 4th end in double-point double-throw switch K1 and identifies pin.
Or, see Fig. 6, described double-point double-throw switch is K2, the second end in double-point double-throw switch K2 connects ground pin, five terminal in double-point double-throw switch K2 connects user and identifies pin, first end in double-point double-throw switch K2 and the 6th end in double-point double-throw switch K2 are all connected the three-prong for receiving the earth signal that described equipment exports, and the 3rd end in double-point double-throw switch K2 and the 4th end in double-point double-throw switch K2 are all connected the 4th pin for receiving signal that inputted by microphone, that be sent to described equipment.
As the example of the 3rd optional realization, see Fig. 7 and Fig. 8, switching part 23 comprises two holding wires, and the first data terminal is directly connected with the first pin by the holding wire of in switching part 23, and the second data terminal is directly connected with the second pin by another holding wire in switching part 23.
Switching part 23 also comprises two single-pole double-throw switch (SPDT)s, for controlling described user, one single-pole double-throw switch (SPDT) identifies that pin is connected for the three-prong receiving signal that inputted by microphone, that be sent to described equipment with described plug, another single-pole double-throw switch (SPDT) is connected for the 4th pin receiving the earth signal that described equipment exports with described plug for controlling described ground pin; Or, for controlling described user, one single-pole double-throw switch (SPDT) identifies that pin is connected for the three-prong receiving the earth signal that described equipment exports with described plug, another single-pole double-throw switch (SPDT) is connected for the 4th pin receiving signal that inputted by microphone, that be sent to described equipment with described plug for controlling described ground pin.
Such as, see Fig. 7, if switching part 23 comprises single-pole double-throw switch (SPDT) K5 and single-pole double-throw switch (SPDT) K6, moved end in single-pole double-throw switch (SPDT) K5 connects the three-prong for receiving signal that inputted by microphone, that be sent to described equipment, one in single-pole double-throw switch (SPDT) K5 moved end is not for ground pin, and another in single-pole double-throw switch (SPDT) K5 does not identify pin for connecting user in moved end; Moved end in single-pole double-throw switch (SPDT) K6 connects the 4th pin for receiving the earth signal that described equipment exports, one in single-pole double-throw switch (SPDT) K6 moved end is not for connecting ground pin, and another in single-pole double-throw switch (SPDT) K6 does not identify pin for connecting user in moved end.
Or, see Fig. 8, switching part 23 comprises single-pole double-throw switch (SPDT) K7 and single-pole double-throw switch (SPDT) K8, moved end in single-pole double-throw switch (SPDT) K7 is for connecting ground pin, one in single-pole double-throw switch (SPDT) K7 moved end connection is not for receiving the three-prong of the earth signal of described equipment output, and another in single-pole double-throw switch (SPDT) K7 does not connect the 4th pin for receiving signal that inputted by microphone, that be sent to described equipment in moved end; Moved end in single-pole double-throw switch (SPDT) K8 identifies pin for connecting user, one in single-pole double-throw switch (SPDT) K8 not moved end connect three-prong, in single-pole double-throw switch (SPDT) K8 another not moved end connect the 4th pin.
As the embodiment of the 4th optional realization, see Fig. 9 and 10, switching part 23 comprises two single-pole single-throw switch (SPST)s, one single-pole single-throw switch (SPST) is connected with described first pin for controlling described first data terminal, and another single-pole single-throw switch (SPST) is connected with described second pin for controlling described second data terminal.Particularly, switching part 23 comprises single-pole double-throw switch (SPDT) K3 and K4, and the not moved end of K3 is connected with described first pin, and the moved end of K3 is connected with described first data terminal, and the not moved end of K4 is connected with described second pin, and the moved end of K4 is connected with described second data terminal.
Such as, see Fig. 9, if switching part 23 also comprises single-pole double-throw switch (SPDT) K5 and single-pole double-throw switch (SPDT) K6, moved end in single-pole double-throw switch (SPDT) K5 connects the three-prong for receiving signal that inputted by microphone, that be sent to described equipment, one in single-pole double-throw switch (SPDT) K5 moved end is not for ground pin, and another in single-pole double-throw switch (SPDT) K5 does not identify pin for connecting user in moved end; Moved end in single-pole double-throw switch (SPDT) K6 connects the 4th pin for receiving the earth signal that described equipment exports, one in single-pole double-throw switch (SPDT) K6 moved end is not for connecting ground pin, and another in single-pole double-throw switch (SPDT) K6 does not identify pin for connecting user in moved end.
Or, see Figure 10, switching part 23 also comprises single-pole double-throw switch (SPDT) K7 and single-pole double-throw switch (SPDT) K8, moved end in single-pole double-throw switch (SPDT) K7 is for connecting ground pin, one in single-pole double-throw switch (SPDT) K7 moved end connection is not for receiving the three-prong of the earth signal of described equipment output, and another in single-pole double-throw switch (SPDT) K7 does not connect the 4th pin for receiving signal that inputted by microphone, that be sent to described equipment in moved end; Moved end in single-pole double-throw switch (SPDT) K8 identifies pin for connecting user, one in single-pole double-throw switch (SPDT) K8 not moved end connect three-prong, in single-pole double-throw switch (SPDT) K8 another not moved end connect the 4th pin.
When switching part comprises two single-pole double-throw switch (SPDT)s, need to control each single-pole double-throw switch (SPDT) respectively.Such as, when moved end and single-pole double-throw switch (SPDT) A one of single-pole double-throw switch (SPDT) A not moved end realize after being connected be three-prong for receiving the function of the earth signal that the equipment that is connected with signal receiving device exports time, the moved end of single-pole double-throw switch (SPDT) B and in single-pole double-throw switch (SPDT) B not a moved end are connected and will realize the 4th pin for receiving the function of signal that inputted by microphone, that be sent to this equipment, otherwise, just there will be connection error; Equally, when moved end and single-pole double-throw switch (SPDT) A one of single-pole double-throw switch (SPDT) A not moved end realize after being connected be three-prong for receiving the function of signal that inputted by microphone, that be sent to this equipment time, the moved end of single-pole double-throw switch (SPDT) B and in single-pole double-throw switch (SPDT) B not a moved end are connected and will realize the function of earth signal of the 4th pin for receiving the equipment that is connected with signal receiving device and exporting, otherwise just there will be connection error.
Embodiment 2
The embodiment of the present invention additionally provides a kind of conversion equipment, as shown in figure 11, comprising: jack 31, link 32, USB plug 33 and switching part 34;
Link 32 comprises: the first pin, the second pin, three-prong and the 4th pin, wherein, the left channel signals that described first pin exports for receiving the equipment that is connected with described conversion equipment, the right-channel signals that described second pin exports for receiving described equipment, described three-prong is for receiving signal that inputted by microphone, that be sent to described equipment, and described 4th pin is for receiving the earth signal of described equipment output;
USB plug 33 comprises: the first data terminal, the second data terminal, user identify pin and ground pin, wherein, described first data terminal is connected with described first pin, described second data terminal is connected with described second pin, described user identifies that pin is connected with described three-prong, and described ground pin is connected with described 4th pin;
Jack 31 comprises: the 5th pin, the 6th pin, the 7th pin and the 8th pin, and described 5th pin is connected with described first pin, and described 6th pin is connected with described second pin, and described 7th pin and the 8th pin are connected with described switching part;
Switching part 34, connect described three-prong for controlling described 7th pin, described 8th pin connects described 4th pin; Or control described 7th pin and connect described 4th pin, described 8th pin connects described three-prong.
In the embodiment of the present invention, the interior shape of jack 31 is cylindric, and the inside diameter of described jack is 3.5mm or 2.5mm.
As the embodiment of the first optional realization, switching part 34 comprises two single-pole double-throw switch (SPDT)s, a single-pole double-throw switch (SPDT) connects described three-prong for controlling described 7th pin, described 8th pin connects described 4th pin, another single-pole double-throw switch (SPDT) connects described 4th pin for controlling described 7th pin, and described 8th pin connects described three-prong.
Such as, as shown in figure 12, when switching part 34 comprises single-pole double-throw switch (SPDT) K9 and single-pole double-throw switch (SPDT) K10, moved end in single-pole double-throw switch (SPDT) K9 connects three-prong, one in single-pole double-throw switch (SPDT) K9 not moved end connect the 8th pin, in single-pole double-throw switch (SPDT) K9 another not moved end connect the 7th pin; Moved end in single-pole double-throw switch (SPDT) K10 connects the 4th pin, one in single-pole double-throw switch (SPDT) K10 not moved end connect the 8th pin, another in single-pole double-throw switch (SPDT) K10 does not connect the 7th pin in moved end.
Or, as shown in figure 13, switching part 34 comprises single-pole double-throw switch (SPDT) K11 and single-pole double-throw switch (SPDT) K12, moved end in single-pole double-throw switch (SPDT) K11 connects the 8th pin, one in single-pole double-throw switch (SPDT) K11 not moved end connect three-prong, in single-pole double-throw switch (SPDT) K11 another not moved end connect the 4th pin; Moved end in single-pole double-throw switch (SPDT) K12 connects the 7th pin, one in single-pole double-throw switch (SPDT) K12 not moved end connect three-prong, another in single-pole double-throw switch (SPDT) K12 does not connect the 4th pin in moved end.
As the embodiment of second optional realization, switching part 34 comprises a double-point double-throw switch, and described double-point double-throw switch connects described three-prong for controlling described 7th pin, and described 8th pin connects described 4th pin; Or connect described 4th pin for controlling described 7th pin, described 8th pin connects described three-prong.
Such as, as shown in figure 14, switching part 34 can be double-point double-throw switch K13, the second end in double-point double-throw switch K13 connects three-prong, five terminal in double-point double-throw switch K13 connects the 4th pin, first end in double-point double-throw switch K13 is all connected the 8th pin with the 6th end in double-point double-throw switch K13, and the 3rd end in double-point double-throw switch K13 is all connected the 7th pin with the 4th end in double-point double-throw switch K13.
Or, as shown in figure 15, switching part 34 can be double-point double-throw switch K14, the second end in double-point double-throw switch K14 connects the 8th pin, five terminal in double-point double-throw switch K14 connects the 7th pin, first end in double-point double-throw switch K14 is all connected three-prong with the 6th end in double-point double-throw switch K14, and the 3rd end in double-point double-throw switch K14 is all connected the 4th pin with the 4th end in double-point double-throw switch K14.
In this conversion equipment, be connected with the three-prong for receiving signal that inputted by microphone, that be sent to described equipment when controlling the 7th pin in jack, when the 8th pin controlled in jack is connected with the earth signal exported for receiving equipment, then realizing controlling the headset plug inserted in this conversion equipment is GB mark headset plug, and the earphone of ordinary plug (2.5mm/3.5mm) can be converted to the earphone of USB plug formula.Be connected with the earth signal exported for receiving equipment when controlling the 7th pin in jack, control the 8th pin in jack and user and receive three-prong that microphone inputs, that be sent to the signal of described equipment when being connected, the headset plug then realizing controlling to insert this dress rotary device is American Standard plug, and the earphone of ordinary plug (2.5mm/3.5mm) can be converted to the earphone of USB plug formula.That is, when using this conversion equipment, the standard of the earphone that user can support according to the equipment be connected with this conversion equipment and the standard of earphone be connected with this conversion equipment, when the two standard is inconsistent, by conversion equipment controlling the translation function of the switch open conversion equipment switched, the standard of this earphone is changed to the standard of the earphone that this equipment is supported, and when the two standard is consistent, closes the translation function of conversion equipment.
In the embodiment of the present invention, as shown in figure 16, described conversion equipment also comprises testing circuit 35, this testing circuit 35 is as between jack 31 and switching part 34, testing circuit 35 for determine the function of the 7th pin and the 8th pin being inputted by microphone for receiving respectively, being sent to the signal of described equipment pin and for receiving the pin of earth signal that described equipment exports, or for receiving the pin of earth signal and the pin for receiving signal that inputted by microphone, that be sent to described equipment that described equipment exports.
Particularly, described testing circuit 35 is for judging whether the impedance of described 7th pin is greater than the impedance of described 8th pin; If the impedance of described 7th pin is greater than the impedance of described 8th pin, determine that described 7th pin is the pin for receiving signal that inputted by microphone, that be sent to described equipment, described 8th pin is the pin for receiving the earth signal that described equipment exports; If the impedance of described 7th pin is less than the impedance of described 8th pin, determine that described 7th pin is the pin for receiving the earth signal that described equipment exports, described 8th pin is the pin for receiving signal that inputted by microphone, that be sent to described equipment.
Above-mentioned testing circuit 35 can add a pumping signal at the 7th pin in the impedance of measurement the 7th pin, then measures the electric current fed back on the 7th pin, thus obtains the impedance of the 7th pin.The impedance of measuring the 8th pin also can adopt the method identical with the impedance of measuring the 7th pin.
Like this, above-mentioned testing circuit 35 is when detecting that the 7th pin is the pin for the earth signal of receiving equipment output, just can control above-mentioned single-pole double-throw switch (SPDT) or the 7th pin is connected with the 4th pin by double-point double-throw switch, detecting that the 8th pin is the pin for receiving signal that inputted by microphone, that be sent to described equipment, just can control above-mentioned single-pole double-throw switch (SPDT) or the 8th pin is connected with three-prong by double-point double-throw switch;
Correspondingly, above-mentioned testing circuit 35 is detecting that the 7th pin is the pin for receiving signal that inputted by microphone, that be sent to described equipment, just can control just to control above-mentioned single-pole double-throw switch (SPDT) or the 7th pin is connected with three-prong by double-point double-throw switch, when detecting that the 8th pin is the pin of earth signal exported for receiving equipment, just can control above-mentioned single-pole double-throw switch (SPDT) or the 8th pin is connected with the 4th pin by double-point double-throw switch.
In addition, see Figure 11, it is cylindric that conversion equipment described in the embodiment of the present invention also comprises at least one external shape, and diameter is the plug of 3.5mm or 2.5mm, to realize the earphone earphone of USB plug type being converted to the plug that diameter is 3.5mm or 2.5mm.
Particularly, the plug of described 3.5mm or 2.5mm comprises the 9th pin, the tenth pin, the 11 pin and the 12 pin, wherein, described 9th pin is connected with described first pin, described tenth pin is used for being connected with described second pin, described 11 pin is used for being connected with described three-prong or the 4th pin, and described 12 pin is used for being connected with described 4th pin or described three-prong.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. a conversion equipment, is characterized in that, comprising: at least one plug, USB jack and switching part;
Described plug comprises: the first pin, the second pin, three-prong and the 4th pin, wherein, the left channel signals that described first pin exports for receiving the equipment that is connected with described conversion equipment, the right-channel signals that described second pin exports for receiving described equipment, described three-prong for receive signal that inputted by microphone, that be sent to described equipment or for receive described equipment export earth signal, described 4th pin for receive described equipment export earth signal or for receiving signal that inputted by microphone, that be sent to described equipment;
Described USB jack comprises: the first data terminal, the second data terminal, user identify pin and ground pin, and wherein, described first data terminal, the second data terminal, user identify that pin and ground pin are all connected with described switching part;
Described switching part comprises two holding wires, described first data terminal is directly connected with described first pin by the holding wire of in described switching part, and described second data terminal is directly connected with described second pin by another holding wire in described switching part; Or described switching part comprises two single-pole single-throw switch (SPST)s, a single-pole single-throw switch (SPST) is connected with described first pin for controlling described first data terminal, and another single-pole single-throw switch (SPST) is connected with described second pin for controlling described second data terminal;
For controlling described user, described switching part also identifies that pin is connected for the three-prong receiving signal that inputted by microphone, that be sent to described equipment with described plug, and control described ground pin and be connected for the 4th pin receiving the earth signal that described equipment exports with described plug; Or, control described user and identify that pin is connected for the three-prong receiving the earth signal that described equipment exports with described plug, and control described ground pin and be connected for the 4th pin receiving signal that inputted by microphone, that be sent to described equipment with described plug.
2. device as claimed in claim 1, it is characterized in that, the external shape of described plug is cylindric, and diameter is 3.5mm or 2.5mm.
3. device as claimed in claim 1, it is characterized in that, described switching part also comprises double-pole double-throw switch, for controlling described user, described double-point double-throw switch identifies that pin is connected for the three-prong receiving signal that inputted by microphone, that be sent to described equipment with described plug, described ground pin is connected for the 4th pin receiving the earth signal that described equipment exports with described plug; Or identify that pin is connected for the three-prong receiving the earth signal that described equipment exports with described plug for controlling described user, described ground pin is connected for the 4th pin receiving signal that inputted by microphone, that be sent to described equipment with described plug.
4. device as claimed in claim 1, it is characterized in that, described switching part also comprises two single-pole double-throw switch (SPDT)s, for controlling described user, one single-pole double-throw switch (SPDT) identifies that pin is connected for the three-prong receiving signal that inputted by microphone, that be sent to described equipment with described plug, another single-pole double-throw switch (SPDT) is connected for the 4th pin receiving the earth signal that described equipment exports with described plug for controlling described ground pin; Or, for controlling described user, one single-pole double-throw switch (SPDT) identifies that pin is connected for the three-prong receiving the earth signal that described equipment exports with described plug, another single-pole double-throw switch (SPDT) is connected for the 4th pin receiving signal that inputted by microphone, that be sent to described equipment with described plug for controlling described ground pin.
5. a conversion equipment, is characterized in that, comprising: jack, link, USB plug and switching part;
Described link comprises: the first pin, the second pin, three-prong and the 4th pin, wherein, the left channel signals that described first pin exports for receiving the equipment that is connected with described conversion equipment, the right-channel signals that described second pin exports for receiving described equipment, described three-prong is for receiving signal that inputted by microphone, that be sent to described equipment, and described 4th pin is for receiving the earth signal of described equipment output;
Described USB plug comprises: the first data terminal, the second data terminal, user identify pin and ground pin, wherein, described first data terminal is connected with described first pin, described second data terminal is connected with described second pin, described user identifies that pin is connected with described three-prong, and described ground pin is connected with described 4th pin;
Described jack comprises: the 5th pin, the 6th pin, the 7th pin and the 8th pin, and described 5th pin is connected with described first pin, and described 6th pin is connected with described second pin, and described 7th pin and the 8th pin are connected with described switching part;
Described switching part, connects described three-prong for controlling described 7th pin, and controls described 4th pin of described 8th pin connection; Or, control described 7th pin and connect described 4th pin, and control the described three-prong of described 8th pin connection.
6. device as claimed in claim 5, it is characterized in that, the interior shape of described jack is cylindric, and the inside diameter of described jack is 3.5mm or 2.5mm.
7. device as claimed in claim 5, it is characterized in that, described switching part comprises a double-point double-throw switch, and described double-point double-throw switch connects described three-prong for controlling described 7th pin, and described 8th pin connects described 4th pin; Or connect described 4th pin for controlling described 7th pin, described 8th pin connects described three-prong.
8. device as claimed in claim 5, it is characterized in that, described switching part comprises two single-pole double-throw switch (SPDT)s, a single-pole double-throw switch (SPDT) connects described three-prong for controlling described 7th pin, described 8th pin connects described 4th pin, another single-pole double-throw switch (SPDT) connects described 4th pin for controlling described 7th pin, and described 8th pin connects described three-prong.
9. device as claimed in claim 7, it is characterized in that, described conversion equipment also comprises testing circuit;
Described testing circuit, for determine the function of the 7th pin and the 8th pin being inputted by microphone for receiving respectively, being sent to the signal of described equipment pin and for receiving the pin of earth signal that described equipment exports, or for receiving the pin of earth signal and the pin for receiving signal that inputted by microphone, that be sent to described equipment that described equipment exports.
10. device as claimed in claim 9, is characterized in that, described testing circuit, for judging whether the impedance of described 7th pin is greater than the impedance of described 8th pin; If the impedance of described 7th pin is greater than the impedance of described 8th pin, determine that described 7th pin is the pin for receiving signal that inputted by microphone, that be sent to described equipment, described 8th pin is the pin for receiving the earth signal that described equipment exports; If the impedance of described 7th pin is less than the impedance of described 8th pin, determine that described 7th pin is the pin for receiving the earth signal that described equipment exports, described 8th pin is the pin for receiving signal that inputted by microphone, that be sent to described equipment.
11. devices as claimed in claim 5, it is characterized in that, it is cylindric that described conversion equipment also comprises at least one external shape, and diameter is the plug of 3.5mm or 2.5mm.
12. devices as claimed in claim 11, it is characterized in that, the plug of described 3.5mm or 2.5mm comprises the 9th pin, the tenth pin, the 11 pin and the 12 pin, wherein, described 9th pin is connected with described first pin, described tenth pin is used for being connected with described second pin, and described 11 pin is used for being connected with described three-prong or the 4th pin, and described 12 pin is used for being connected with described 4th pin or described three-prong.
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| CN201210507717.6A CN102969633B (en) | 2012-11-30 | 2012-11-30 | A kind of conversion equipment |
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| CN201210507717.6A CN102969633B (en) | 2012-11-30 | 2012-11-30 | A kind of conversion equipment |
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| CN102969633B true CN102969633B (en) | 2015-10-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795702A (en) * | 2014-01-22 | 2015-07-22 | 苏州宝时得电动工具有限公司 | Communication connection line |
| CN105554604A (en) * | 2015-12-08 | 2016-05-04 | 潍坊歌尔电子有限公司 | Headset interface conversion device and electronic equipment |
| CN105703185B (en) * | 2016-02-18 | 2018-03-16 | 北京小米移动软件有限公司 | Method for transmitting signals, device and adapter |
| CN105848033A (en) * | 2016-04-10 | 2016-08-10 | 王美金 | Earphone in music listening state capable of communicating with people |
| CN107678991A (en) * | 2017-09-30 | 2018-02-09 | 努比亚技术有限公司 | A kind of data processing method and terminal, computer-readable recording medium |
| CN108170623B (en) * | 2017-12-29 | 2020-03-27 | 深圳市九洲电器有限公司 | USB switching circuit and switching system |
| TWI702854B (en) * | 2018-08-27 | 2020-08-21 | 威盛電子股份有限公司 | Audio playing apparatus and audio transmission circuit |
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