CN102969633A - Conversion device - Google Patents
Conversion device Download PDFInfo
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- CN102969633A CN102969633A CN2012105077176A CN201210507717A CN102969633A CN 102969633 A CN102969633 A CN 102969633A CN 2012105077176 A CN2012105077176 A CN 2012105077176A CN 201210507717 A CN201210507717 A CN 201210507717A CN 102969633 A CN102969633 A CN 102969633A
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Abstract
The embodiment of the invention provides a conversion device, which comprises at least one plug, an USB jack and a conversion component, wherein a first pin of the plug is used for receiving a left sound channel signal; a second pin of the plug is used for receiving a right sound channel signal; a third pin of the plug is used for receiving a signal input by a pair of microphones or a ground signal output by equipment; a fourth pin of the plug is used for receiving the ground signal output by the equipment or the signal input by the microphones; the conversion component controls a first data terminal of an USB interface to be connected with the first pin, a second data terminal of the USB interface to be connected with the second pin, a user identification(UID) pin to be connected with the third pin for receiving the signal input by the microphones and transmitted to the equipment and a ground wire pin to be connected with the fourth pin for receiving the ground signal output by the equipment; or the conversion component controls the UID pin to be connected with the third pin for receiving the ground signal output by the equipment and the ground wire pin to be connected with the fourth pin for receiving the signal input by the microphones and transmitted to the equipment.
Description
Technical field
The present invention relates to field of electronic devices, relate in particular to a kind of conversion equipment.
Background technology
At present, headset plug mainly is divided into two kinds of standards, a kind ofly is open mobile-terminal platform standard, i.e. GB, and another kind is the mobile communications industry association criterion, i.e. American Standard, these two kinds of standards are distinguished in the arrangement of pin to some extent.Fig. 1 a is the structural representation of American Standard headset plug, and pin one 1 is used for the output left channel signals, and pin one 2 is used for the output right-channel signals, and pin one 3 is used for ground connection, and pin one 4 is used for receiving the signal by the microphone input.Fig. 1 b is the structural representation of GB headset plug, it is pin one 1 output left channel signals equally, pin one 2 output right-channel signals, pin one 3 ground connection, the signal that pin one 4 receives by the microphone input, but the difference of the GB earphone shown in it and Fig. 1 a is that pin one 3 with the position of pin one 4 exchange has occured.
In addition, the headset plug that earphone is commonly used also has two types: one is the plug of USB formula, and another is the plug of 2.5mm/3.5mm, and the equipment that both want corresponding coupling to have corresponding interface uses.
And most equipment in the market all can only be supported a kind of earphone and a kind of headset plug type of standard, that is to say, when the headset plug of a kind of standard and type of plug was inserted on the equipment of the headset plug of supporting another kind of standard and type of plug, this equipment was with None-identified and its standard and the unmatched headset plug of type of plug.
Therefore, when the user changes new equipment, if new equipment and existing equipment support is the headset plug of various criterion and type of plug, when exchange device more, just need to correspondingly change earphone so, otherwise the earphone that new equipment None-identified and existing equipment are supporting will cause the wasting of resources like this.
In sum, headset plug exists multiple standards and type of plug at present, but existing most equipment can only be supported the headset plug of a kind of standard and type of plug, this just need to be the earphone of the headset plug of the equipment configuration respective standard of the headset plug of supporting various criterion and type of plug, thereby causes the wasting of resources.
Summary of the invention
The embodiment of the invention provides a kind of conversion equipment, in order to solve owing to present headset plug exists multiple standards and multiple type of plug, and most equipment can only be supported the headset plug of a kind of standard and type of plug, so that need to be the earphone of the headset plug of the equipment configuration respective standard of the headset plug of supporting various criterion and type of plug, thereby 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 invention provides comprises: 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, described the first pin is used for receiving the left channel signals of the equipment output that is connected with described conversion equipment, described the second pin is used for receiving the right-channel signals of described equipment output, described three-prong is used for receiving by microphone signal input, that be sent to described equipment or is used for receiving the earth signal that described equipment is exported, and described the 4th pin is used for receiving the earth signal of described equipment output or is used for receiving by microphone signal that input, that be sent to described equipment;
Described USB jack comprises: the first data terminal, the second data terminal, user identify pin and ground wire pin, and wherein, described the first data terminal, the second data terminal, user identify pin and the ground wire pin all links to each other with described switching part;
Described switching part is used for controlling described the first data terminal and links to each other with described the first pin, and described the second data terminal links to each other with described the second pin;
Described switching part also is used for controlling described user to be identified pin and links to each other with the three-prong that described plug is used for receiving by microphone signal input, that be sent to described equipment, and the 4th pin that is used for receiving the earth signal that described equipment exports in described ground wire pin and the described plug links to each other; Perhaps, control the three-prong that described user identifies the earth signal that is used for receiving described equipment output in pin and the described plug and link to each other, the 4th pin that is used for receiving by microphone signal that input, that be sent to described equipment in described ground wire pin and the described plug links to each other.
The embodiment of the invention also 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, described the first pin is used for receiving the left channel signals of the equipment output that is connected with described conversion equipment, described the second pin is used for receiving the right-channel signals of described equipment output, described three-prong is used for receiving by microphone signal input, that be sent to described equipment, and described the 4th pin is used 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 wire pin, wherein, described the first data terminal links to each other with described the first pin, described the second data terminal links to each other with described the second pin, described user identifies pin and links to each other with described three-prong, and described ground wire pin links to each other with described the 4th pin;
Described jack comprises: the 5th pin, the 6th pin, the 7th pin and the 8th pin, and described the 5th pin links to each other with described the first pin, and described the 6th pin links to each other with described the second pin, and described the 7th pin and the 8th pin link to each other with described switching part;
Described switching part is used for controlling described the 7th pin and connects described three-prong, and described the 8th pin connects described the 4th pin; Perhaps, control described the 7th pin and connect described the 4th pin, described the 8th pin connects described three-prong.
The beneficial effect of the embodiment of the invention comprises:
The embodiment of the invention provides a kind of conversion equipment, the first data terminal in switching part control USB interface links to each other with the first pin that is used for the reception left channel signals, the second data terminal in the USB interface links to each other with the second pin that is used for the reception right-channel signals, and the user in the control USB interface identifies in pin and the described plug and to be used for receiving by the microphone input, the three-prong that is sent to the signal of described equipment links to each other, when the 4th pin that is used for receiving the earth signal of described equipment output in the ground wire pin in the USB interface and the described plug links to each other, if the earphone of USB plug formula accesses this conversion equipment, this conversion equipment plays the effect identical with the 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 in switching part control USB interface links to each other with the first pin that is used for the reception left channel signals, the second data terminal in the USB interface links to each other with the second pin that is used for the reception right-channel signals, and control the three-prong that described user identifies the earth signal that is used for receiving described equipment output in pin and the described plug and link to each other, inputted by microphone for reception in described ground wire pin and the described plug, the 4th pin that is sent to the signal of described equipment links to each other, then this signal receiving device can play the effect identical with the 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 the equipment of the headset plug of various criterion and type of plug can identify this conversion equipment, namely, the equipment that only is required to be the headset plug of supporting various criterion and type of plug disposes this conversion equipment, and do not need earphone for the headset plug of the equipment configuration respective standard of the headset plug of supporting various criterion and type of plug, thereby overcome the problem of the wasting of resources.
Description of drawings
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 invention 1;
The structural representation of a kind of conversion equipment that Fig. 3 provides for the embodiment of the invention 1;
The structural representation of a kind of conversion equipment that Fig. 4 provides for the embodiment of the invention 1;
The structural representation of a kind of conversion equipment that Fig. 5 provides for the embodiment of the invention 1;
The structural representation of a kind of conversion equipment that Fig. 6 provides for the embodiment of the invention 1;
The structural representation of a kind of conversion equipment that Fig. 7 provides for the embodiment of the invention 1;
The structural representation of a kind of conversion equipment that Fig. 8 provides for the embodiment of the invention 1;
The structural representation of a kind of conversion equipment that Fig. 9 provides for the embodiment of the invention 1;
The structural representation of a kind of conversion equipment that Figure 10 provides for the embodiment of the invention 1;
The structural representation of a kind of conversion equipment that Figure 11 provides for the embodiment of the invention 2;
The structural representation of a kind of conversion equipment that Figure 12 provides for the embodiment of the invention 2;
The structural representation of a kind of conversion equipment that Figure 13 provides for the embodiment of the invention 2;
The structural representation of a kind of conversion equipment that Figure 14 provides for the embodiment of the invention 2;
The structural representation of a kind of conversion equipment that Figure 15 provides for the embodiment of the invention 2;
The structural representation of a kind of conversion equipment that Figure 16 provides for the embodiment of the invention 1.
Embodiment
The embodiment of the invention provides a kind of conversion equipment, is used for overcoming the earphone that need to dispose for the equipment of supporting various criterion and type of plug at present the headset plug of respective standard, thus the problem of the wasting of resources that causes.
Below in conjunction with Figure of description, the embodiment of a kind of conversion equipment that the embodiment of the invention is provided describes.
Embodiment 1
As shown in Figure 2, the conversion equipment that the embodiment of the invention provides, this conversion equipment comprise 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 first pin is used for receiving the left channel signals of the equipment output that is connected with described conversion equipment, the second pin is used for receiving the right-channel signals of described equipment output, three-prong is used for receiving by microphone signal input, that be sent to described equipment or is used for receiving the earth signal that described equipment is exported, and the 4th pin is used for receiving the earth signal of described equipment output or is used for receiving by microphone signal that input, 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, ID) and ground wire pin (Ground pin, GND), wherein, the first data terminal, the second data terminal, user identify pin and the ground wire pin all links to each other with switching part 23; Wherein, the first data terminal is the D-data terminal, and the second data terminal is the D+ data terminal.
In the embodiment of the invention, switching part 23 is used for control the first data terminal and links to each other with the first pin, and the second data terminal links to each other with the second pin;
In the embodiment of the invention, switching part 23 also is used for the control user to be identified pin and links to each other with the three-prong that plug 21 is used for receiving by microphone signal input, that be sent to described equipment, and the 4th pin that is used for receiving the earth signal that described equipment exports in ground wire pin and the plug 21 links to each other; Perhaps, the three-prong that the control user identifies the earth signal that is used for receiving described equipment output in pin and the plug 21 links to each other, and the 4th pin that is used for receiving by microphone signal that input, that be sent to described equipment in ground wire pin and the plug 21 links to each other.
In the embodiment of the 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 invention provides, the first data terminal in switching part control USB interface links to each other with the first pin that is used for the reception left channel signals, the second data terminal in the USB interface links to each other with the second pin that is used for the reception right-channel signals, and the user in the control USB interface identifies in pin and the described plug and to be used for receiving by the microphone input, the three-prong that is sent to the signal of described equipment links to each other, when the 4th pin that is used for receiving the earth signal of described equipment output in the ground wire pin in the USB interface and the described plug links to each other, if the earphone of USB plug formula accesses this conversion equipment, this conversion equipment plays the effect identical with the 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 in switching part control USB interface links to each other with the first pin that is used for the reception left channel signals, the second data terminal in the USB interface links to each other with the second pin that is used for the reception right-channel signals, and control the three-prong that described user identifies the earth signal that is used for receiving described equipment output in pin and the described plug and link to each other, inputted by microphone for reception in described ground wire pin and the described plug, the 4th pin that is sent to the signal of described equipment links to each other, then this signal receiving device can play the effect identical with the 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 the equipment of the headset plug of various criterion and type of plug can identify this conversion equipment, namely, the equipment that only is required to be the headset plug of supporting various criterion and type of plug disposes this conversion equipment, and do not need earphone for the headset plug of the equipment configuration respective standard of the headset plug of supporting various criterion and type of plug, thereby overcome the problem of the wasting of resources.
Embodiment as the first optional realization, referring to Fig. 3 or Fig. 4, switching part 23 comprises two holding wires, and the first data terminal directly links to each other with the first pin by a holding wire in the switching part 23, and the second data terminal directly links to each other with the second pin by another holding wire in the switching part 23.
Switching part 23 also comprises a double-point double-throw switch, this double-point double-throw switch is used for the control user to be identified pin and links to each other with the three-prong that plug 21 is used for receiving by microphone signal input, that be sent to described equipment, and the 4th pin that is used for receiving the earth signal that described equipment exports in described ground wire pin and the plug 21 links to each other; Perhaps be used for controlling described user and identify the three-prong that pin and plug 21 be used for receiving the earth signal of described equipment output and link to each other, the 4th pin that is used for receiving by microphone signal that input, that be sent to described equipment in described ground wire pin and the plug 21 links to each other;
For example, referring to Fig. 3, described double-point double-throw switch is K1, the second end among the K1 connects the three-prong that is used for receiving by microphone signal input, that be sent to described equipment, five terminal among the double-point double-throw switch K1 connects the 4th pin for the earth signal that receives described equipment output, the 6th end that first end among the double-point double-throw switch K1 is connected with double-point double-throw switch K1 all connects the ground wire pin, and the 4th end that the 3rd end among the double-point double-throw switch K1 is connected with double-point double-throw switch K1 all connects the user and identifies pin.
Perhaps, referring to Fig. 4, described double-point double-throw switch is K2, the second end among the double-point double-throw switch K2 connects the ground wire pin, five terminal among the double-point double-throw switch K2 connects the user and identifies pin, the 6th end that first end among the double-point double-throw switch K2 is connected with double-point double-throw switch K2 all connects the three-prong be used to the earth signal that receives described equipment output, and the 4th end that the 3rd end among the double-point double-throw switch K2 is connected with double-point double-throw switch K2 all connects for the 4th pin that receives by microphone signal input, that be sent to described equipment.
Embodiment as the second optional realization, referring to 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 used for controlling described the first data terminal and links to each other with described the first pin, and another single-pole single-throw switch (SPST) is used for controlling described the second data terminal and links to each other with described the second pin.Particularly, switching part 23 comprises single-pole double-throw switch (SPDT) K3 and K4, and the not moved end of K3 links to each other with described the first pin, and the moved end of K3 links to each other with described the first data terminal, and the not moved end of K4 links to each other with described the second pin, and the moved end of K4 links to each other with described the second data terminal.
Switching part 23 also comprises a double-point double-throw switch, this double-point double-throw switch is used for the control user to be identified pin and links to each other with the three-prong that plug 21 is used for receiving by microphone signal input, that be sent to described equipment, and the 4th pin that is used for receiving the earth signal that described equipment exports in described ground wire pin and the plug 21 links to each other; Perhaps be used for controlling described user and identify the three-prong that pin and plug 21 be used for receiving the earth signal of described equipment output and link to each other, the 4th pin that is used for receiving by microphone signal that input, that be sent to described equipment in described ground wire pin and the plug 21 links to each other;
For example, referring to Fig. 5, described double-point double-throw switch is K1, the second end among the K1 connects the three-prong that is used for receiving by microphone signal input, that be sent to described equipment, five terminal among the double-point double-throw switch K1 connects the 4th pin for the earth signal that receives described equipment output, the 6th end that first end among the double-point double-throw switch K1 is connected with double-point double-throw switch K1 all connects the ground wire pin, and the 4th end that the 3rd end among the double-point double-throw switch K1 is connected with double-point double-throw switch K1 all connects the user and identifies pin.
Perhaps, referring to Fig. 6, described double-point double-throw switch is K2, the second end among the double-point double-throw switch K2 connects the ground wire pin, five terminal among the double-point double-throw switch K2 connects the user and identifies pin, the 6th end that first end among the double-point double-throw switch K2 is connected with double-point double-throw switch K2 all connects the three-prong be used to the earth signal that receives described equipment output, and the 4th end that the 3rd end among the double-point double-throw switch K2 is connected with double-point double-throw switch K2 all connects for the 4th pin that receives by microphone signal input, that be sent to described equipment.
Example as the 3rd optional realization, referring to Fig. 7 and Fig. 8, switching part 23 comprises two holding wires, and the first data terminal directly links to each other with the first pin by a holding wire in the switching part 23, and the second data terminal directly links to each other with the second pin by another holding wire in the switching part 23.
Switching part 23 also comprises two single-pole double-throw switch (SPDT)s, one single-pole double-throw switch (SPDT) is used for controlling described user to be identified pin and links to each other with the three-prong that described plug is used for receiving by microphone signal input, that be sent to described equipment, and another single-pole double-throw switch (SPDT) is used for controlling the 4th pin that described ground wire pin and described plug be used for receiving the earth signal that described equipment exports and links to each other; Perhaps, one single-pole double-throw switch (SPDT) is used for controlling described user to be identified the three-prong that pin and described plug be used for receiving the earth signal of described equipment output and links to each other, and another single-pole double-throw switch (SPDT) is used for controlling described ground wire pin and links to each other with the 4th pin that described plug is used for receiving by microphone signal that input, that be sent to described equipment.
For example, referring to Fig. 7, if switching part 23 comprises single-pole double-throw switch (SPDT) K5 and single-pole double-throw switch (SPDT) K6, moved end among the single-pole double-throw switch (SPDT) K5 connects the three-prong that is used for receiving by microphone signal input, that be sent to described equipment, the moved end is not for the ground wire pin among the single-pole double-throw switch (SPDT) K5 one, and another among the single-pole double-throw switch (SPDT) K5 not moved end identified pin for connecting the user; Moved end among the single-pole double-throw switch (SPDT) K6 connects the 4th pin for the earth signal that receives described equipment output, the moved end is not for connecting the ground wire pin among the single-pole double-throw switch (SPDT) K6 one, and another among the single-pole double-throw switch (SPDT) K6 not moved end identified pin for connecting the user.
Perhaps, referring to Fig. 8, switching part 23 comprises single-pole double-throw switch (SPDT) K7 and single-pole double-throw switch (SPDT) K8, moved end among the single-pole double-throw switch (SPDT) K7 is used for connecting the ground wire pin, the moved end connection is not for the three-prong of the earth signal that receives described equipment output among the single-pole double-throw switch (SPDT) K7 one, and another among the single-pole double-throw switch (SPDT) K7 not moved end connects for four pin of reception by microphone signal that input, that be sent to described equipment; Moved end among the single-pole double-throw switch (SPDT) K8 be used for to connect the user and identifies pin, among the single-pole double-throw switch (SPDT) K8 one not the moved end connect three-prong, another among the single-pole double-throw switch (SPDT) K8 not moved end connects the 4th pin.
Embodiment as the 4th optional realization, referring to Fig. 9 and 10, switching part 23 comprises two single-pole single-throw switch (SPST)s, one single-pole single-throw switch (SPST) is used for controlling described the first data terminal and links to each other with described the first pin, and another single-pole single-throw switch (SPST) is used for controlling described the second data terminal and links to each other with described the second pin.Particularly, switching part 23 comprises single-pole double-throw switch (SPDT) K3 and K4, and the not moved end of K3 links to each other with described the first pin, and the moved end of K3 links to each other with described the first data terminal, and the not moved end of K4 links to each other with described the second pin, and the moved end of K4 links to each other with described the second data terminal.
For example, referring to 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 among the single-pole double-throw switch (SPDT) K5 connects the three-prong that is used for receiving by microphone signal input, that be sent to described equipment, the moved end is not for the ground wire pin among the single-pole double-throw switch (SPDT) K5 one, and another among the single-pole double-throw switch (SPDT) K5 not moved end identified pin for connecting the user; Moved end among the single-pole double-throw switch (SPDT) K6 connects the 4th pin for the earth signal that receives described equipment output, the moved end is not for connecting the ground wire pin among the single-pole double-throw switch (SPDT) K6 one, and another among the single-pole double-throw switch (SPDT) K6 not moved end identified pin for connecting the user.
Perhaps, referring to Figure 10, switching part 23 also comprises single-pole double-throw switch (SPDT) K7 and single-pole double-throw switch (SPDT) K8, moved end among the single-pole double-throw switch (SPDT) K7 is used for connecting the ground wire pin, the moved end connection is not for the three-prong of the earth signal that receives described equipment output among the single-pole double-throw switch (SPDT) K7 one, and another among the single-pole double-throw switch (SPDT) K7 not moved end connects for four pin of reception by microphone signal that input, that be sent to described equipment; Moved end among the single-pole double-throw switch (SPDT) K8 be used for to connect the user and identifies pin, among the single-pole double-throw switch (SPDT) K8 one not the moved end connect three-prong, another among the single-pole double-throw switch (SPDT) K8 not moved end connects the 4th pin.
When switching part comprises two single-pole double-throw switch (SPDT)s, need to control respectively each single-pole double-throw switch (SPDT).For example, when the moved end of single-pole double-throw switch (SPDT) A and single-pole double-throw switch (SPDT) A what realize after one the moved end is not connected is that three-prong is when being used for receiving the function of the earth signal that the equipment that is connected with signal receiving device exports, among the moved end of single-pole double-throw switch (SPDT) B and the single-pole double-throw switch (SPDT) B one not the moved end be connected and will realize that the 4th pin is used for receiving the function by microphone signal input, that be sent to this equipment, otherwise, connection error will appear; Equally, when the moved end of single-pole double-throw switch (SPDT) A and single-pole double-throw switch (SPDT) A what realize after one the moved end is not connected is that three-prong is when being used for receiving function by microphone signal input, that be sent to this equipment, among the moved end of single-pole double-throw switch (SPDT) B and the single-pole double-throw switch (SPDT) B one not the moved end be connected and will realize that the 4th pin is used for receiving the function of the earth signal that the equipment that is connected with signal receiving device exports, otherwise connection error will appear.
Embodiment 2
The embodiment of the invention also provides a kind of conversion equipment, as shown in figure 11, comprising: jack 31, link 32, USB plug 33 and switching part 34;
Switching part 34 is used for controlling described the 7th pin and connects described three-prong, and described the 8th pin connects described the 4th pin; Perhaps, control described the 7th pin and connect described the 4th pin, described the 8th pin connects described three-prong.
In the embodiment of the invention, the interior shape of jack 31 is cylindric, and the inside diameter of described jack is 3.5mm or 2.5mm.
Embodiment as the first optional realization, switching part 34 comprises two single-pole double-throw switch (SPDT)s, a single-pole double-throw switch (SPDT) is used for controlling described the 7th pin and connects described three-prong, described the 8th pin connects described the 4th pin, another single-pole double-throw switch (SPDT) is used for controlling described the 7th pin and connects described the 4th pin, and described the 8th pin connects described three-prong.
For example, 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 among the single-pole double-throw switch (SPDT) K9 connects three-prong, among the single-pole double-throw switch (SPDT) K9 one not the moved end connect the 8th pin, another among the single-pole double-throw switch (SPDT) K9 not moved end connects the 7th pin; Moved end among the single-pole double-throw switch (SPDT) K10 connects the 4th pin, among the single-pole double-throw switch (SPDT) K10 one not the moved end connect the 8th pin, another among the single-pole double-throw switch (SPDT) K10 not moved end connects the 7th pin.
Perhaps, 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 among the single-pole double-throw switch (SPDT) K11 connects the 8th pin, among the single-pole double-throw switch (SPDT) K11 one not the moved end connect three-prong, another among the single-pole double-throw switch (SPDT) K11 not moved end connects the 4th pin; Moved end among the single-pole double-throw switch (SPDT) K12 connects the 7th pin, among the single-pole double-throw switch (SPDT) K12 one not the moved end connect three-prong, another among the single-pole double-throw switch (SPDT) K12 not moved end connects the 4th pin.
As the embodiment of second optional realization, switching part 34 comprises a double-point double-throw switch, and described double-point double-throw switch is used for controlling described the 7th pin and connects described three-prong, and described the 8th pin connects described the 4th pin; Perhaps, be used for controlling described the 7th pin and connect described the 4th pin, described the 8th pin connects described three-prong.
For example, as shown in figure 14, switching part 34 can be double-point double-throw switch K13, the second end among the double-point double-throw switch K13 connects three-prong, five terminal among the double-point double-throw switch K13 connects the 4th pin, the 6th end that first end among the double-point double-throw switch K13 is connected with double-point double-throw switch K13 all connects the 8th pin, and the 4th end that the 3rd end among the double-point double-throw switch K13 is connected with double-point double-throw switch K13 all connects the 7th pin.
Perhaps, as shown in figure 15, switching part 34 can be double-point double-throw switch K14, the second end among the double-point double-throw switch K14 connects the 8th pin, five terminal among the double-point double-throw switch K14 connects the 7th pin, the 6th end that first end among the double-point double-throw switch K14 is connected with double-point double-throw switch K14 all connects three-prong, and the 4th end that the 3rd end among the double-point double-throw switch K14 is connected with double-point double-throw switch K14 all connects the 4th pin.
In this conversion equipment, the 7th pin in the control jack links to each other with the three-prong that is used for receiving by microphone signal input, that be sent to described equipment, when the 8th pin in the control jack links to each other with the earth signal that is used for receiving equipment output, realize that then the headset plug that control is 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.The 7th pin in the control jack links to each other with the earth signal that is used for receiving equipment output, when the 8th pin in the control jack has the three-prong of microphone signal input, that be sent to described equipment to link to each other with user's reception, realize that then it is the American Standard plug that the headset plug of this dress rotary device is inserted in control, and the earphone of ordinary plug (2.5mm/3.5mm) can be converted to the earphone of USB plug formula.That is to say, when using this conversion equipment, the standard of the standard of the earphone that the user can support according to the equipment that links to each other with this conversion equipment and the earphone that links to each other with this conversion equipment, when the two standard is inconsistent, translation function by the switch open conversion equipment of control switching on the conversion equipment, the standard of this earphone is changed to the standard of the earphone that this equipment supports, and when the two standard was consistent, the translation function of closing conversion equipment got final product.
In the embodiment of the invention, as shown in figure 16, described conversion equipment also comprises testing circuit 35, this testing circuit 35 is as between jack 31 and the switching part 34, the function that testing circuit 35 is used for determining the 7th pin and the 8th pin receives the pin of the earth signal of described equipment output for receiving by microphone input, the pin and being used for that is sent to the signal of described equipment respectively, or be used for receiving described equipment output earth signal pin and be used for receiving pin by microphone signal input, that be sent to described equipment.
Particularly, described testing circuit 35 be used for judging described the 7th pin impedance whether greater than the impedance of described the 8th pin; If the impedance of described the 7th pin is greater than the impedance of described the 8th pin, determine that described the 7th pin is the pin that is used for receiving by microphone signal input, that be sent to described equipment, described the 8th pin is the pin for the earth signal that receives described equipment output; If the impedance of described the 7th pin is less than the impedance of described the 8th pin, determine that described the 7th pin is the pin for the earth signal that receives described equipment output, described the 8th pin is for being used for receiving the pin by microphone signal that input, that be sent to described equipment.
Above-mentioned testing circuit 35 can add a pumping signal at the 7th pin in the impedance of measuring the 7th pin, then measures the electric current that feeds back on the 7th pin, thereby obtains the impedance of the 7th pin.Measuring the impedance of the 8th pin also can adopt and the impedance phase of measuring the 7th pin method together.
Like this, above-mentioned testing circuit 35 is when detecting the 7th pin for the pin of the earth signal that is used for receiving equipment output, just can control above-mentioned single-pole double-throw switch (SPDT) or double-point double-throw switch links to each other the 7th pin with the 4th pin, detect the 8th pin for being used for receiving the pin by microphone signal input, that be sent to described equipment, just can control above-mentioned single-pole double-throw switch (SPDT) or double-point double-throw switch the 8th pin is linked to each other with three-prong;
Correspondingly, above-mentioned testing circuit 35 is detecting the 7th pin for being used for receiving the pin by microphone signal input, that be sent to described equipment, just can control and just can control above-mentioned single-pole double-throw switch (SPDT) or double-point double-throw switch the 7th pin is linked to each other with three-prong, when detecting the 8th pin for the pin of the earth signal that is used for receiving equipment output, just can control above-mentioned single-pole double-throw switch (SPDT) or double-point double-throw switch the 8th pin is linked to each other with the 4th pin.
In addition, referring to Figure 11, the described conversion equipment of the embodiment of the invention comprises that also at least one external shape is cylindric, and diameter is the plug of 3.5mm or 2.5mm, to realize that the earphone of USB plug type is converted to diameter as the earphone of the plug of 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 the 9th pin links to each other with described the first pin, described the tenth pin is used for linking to each other with described the second pin, described the 11 pin is used for linking to each other with described three-prong or the 4th pin, and described the 12 pin is used for linking to each other with described the 4th pin or described three-prong.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (14)
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, described the first pin is used for receiving the left channel signals of the equipment output that is connected with described conversion equipment, described the second pin is used for receiving the right-channel signals of described equipment output, described three-prong is used for receiving by microphone signal input, that be sent to described equipment or is used for receiving the earth signal that described equipment is exported, and described the 4th pin is used for receiving the earth signal of described equipment output or is used for receiving by microphone signal that input, that be sent to described equipment;
Described USB jack comprises: the first data terminal, the second data terminal, user identify pin and ground wire pin, and wherein, described the first data terminal, the second data terminal, user identify pin and the ground wire pin all links to each other with described switching part;
Described switching part is used for controlling described the first data terminal and links to each other with described the first pin, and described the second data terminal links to each other with described the second pin;
Described switching part also is used for controlling described user to be identified pin and links to each other with the three-prong that described plug is used for receiving by microphone signal input, that be sent to described equipment, and the 4th pin that is used for receiving the earth signal that described equipment exports in described ground wire pin and the described plug links to each other; Perhaps, control the three-prong that described user identifies the earth signal that is used for receiving described equipment output in pin and the described plug and link to each other, the 4th pin that is used for receiving by microphone signal that input, that be sent to described equipment in described ground wire pin and the described plug links to each other.
2. device as claimed in claim 1 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 comprises two holding wires, described the first data terminal directly links to each other with described the first pin by a holding wire in the described switching part, and described the second data terminal directly links to each other with described the second pin by another holding wire in the described switching part.
4. device as claimed in claim 1, it is characterized in that, described switching part comprises two single-pole single-throw switch (SPST)s, one single-pole single-throw switch (SPST) is used for controlling described the first data terminal and links to each other with described the first pin, and another single-pole single-throw switch (SPST) is used for controlling described the second data terminal and links to each other with described the second pin.
5. such as claim 3 or 4 described devices, it is characterized in that, described switching part also comprises a double-point double-throw switch, described double-point double-throw switch is used for controlling described user to be identified pin and links to each other with the three-prong that described plug is used for receiving by microphone signal input, that be sent to described equipment, and the 4th pin that is used for receiving the earth signal that described equipment exports in described ground wire pin and the described plug links to each other; Perhaps be used for controlling described user and identify the three-prong that pin and described plug be used for receiving the earth signal of described equipment output and link to each other, the 4th pin that is used for receiving by microphone signal that input, that be sent to described equipment in described ground wire pin and the described plug links to each other.
6. such as claim 3 or 4 described devices, it is characterized in that, described switching part also comprises two single-pole double-throw switch (SPDT)s, one single-pole double-throw switch (SPDT) is used for controlling described user to be identified pin and links to each other with the three-prong that described plug is used for receiving by microphone signal input, that be sent to described equipment, and another single-pole double-throw switch (SPDT) is used for controlling the 4th pin that described ground wire pin and described plug be used for receiving the earth signal that described equipment exports and links to each other; Perhaps, one single-pole double-throw switch (SPDT) is used for controlling described user to be identified the three-prong that pin and described plug be used for receiving the earth signal of described equipment output and links to each other, and another single-pole double-throw switch (SPDT) is used for controlling described ground wire pin and links to each other with the 4th pin that described plug is used for receiving by microphone signal that input, that be sent to described equipment.
7. 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, described the first pin is used for receiving the left channel signals of the equipment output that is connected with described conversion equipment, described the second pin is used for receiving the right-channel signals of described equipment output, described three-prong is used for receiving by microphone signal input, that be sent to described equipment, and described the 4th pin is used 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 wire pin, wherein, described the first data terminal links to each other with described the first pin, described the second data terminal links to each other with described the second pin, described user identifies pin and links to each other with described three-prong, and described ground wire pin links to each other with described the 4th pin;
Described jack comprises: the 5th pin, the 6th pin, the 7th pin and the 8th pin, and described the 5th pin links to each other with described the first pin, and described the 6th pin links to each other with described the second pin, and described the 7th pin and the 8th pin link to each other with described switching part;
Described switching part is used for controlling described the 7th pin and connects described three-prong, and described the 8th pin connects described the 4th pin; Perhaps, control described the 7th pin and connect described the 4th pin, described the 8th pin connects described three-prong.
8. device as claimed in claim 7 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.
9. device as claimed in claim 7 is characterized in that, described switching part comprises a double-point double-throw switch, and described double-point double-throw switch is used for controlling described the 7th pin and connects described three-prong, and described the 8th pin connects described the 4th pin; Perhaps, be used for controlling described the 7th pin and connect described the 4th pin, described the 8th pin connects described three-prong.
10. device as claimed in claim 7, it is characterized in that, described switching part comprises two single-pole double-throw switch (SPDT)s, a single-pole double-throw switch (SPDT) is used for controlling described the 7th pin and connects described three-prong, described the 8th pin connects described the 4th pin, another single-pole double-throw switch (SPDT) is used for controlling described the 7th pin and connects described the 4th pin, and described the 8th pin connects described three-prong.
11. device as claimed in claim 9 is characterized in that, described conversion equipment also comprises testing circuit;
Described testing circuit, function that be used for to determine the 7th pin and the 8th pin receives the pin of the earth signal of described equipment output for receiving by microphone input, the pin and being used for that is sent to the signal of described equipment respectively, or be used for receiving described equipment output earth signal pin and be used for receiving pin by microphone signal input, that be sent to described equipment.
12. device as claimed in claim 11 is characterized in that, described testing circuit, and whether the impedance that is used for judging described the 7th pin is greater than the impedance of described the 8th pin; If the impedance of described the 7th pin is greater than the impedance of described the 8th pin, determine that described the 7th pin is the pin that is used for receiving by microphone signal input, that be sent to described equipment, described the 8th pin is the pin for the earth signal that receives described equipment output; If the impedance of described the 7th pin is less than the impedance of described the 8th pin, determine that described the 7th pin is the pin for the earth signal that receives described equipment output, described the 8th pin is for being used for receiving the pin by microphone signal that input, that be sent to described equipment.
13. device as claimed in claim 7 is characterized in that, described conversion equipment comprises that also at least one external shape is cylindric, and diameter is the plug of 3.5mm or 2.5mm.
14. device as claimed in claim 13, 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 the 9th pin links to each other with described the first pin, described the tenth pin is used for linking to each other with described the second pin, and described the 11 pin is used for linking to each other with described three-prong or the 4th pin, and described the 12 pin is used for linking to each other with described the 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 CN102969633B (en) | 2015-10-07 |
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| 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 |
| CN105703185A (en) * | 2016-02-18 | 2016-06-22 | 北京小米移动软件有限公司 | Signal transmission method, signal transmission device and adapter connecting head |
| 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 |
| CN108170623A (en) * | 2017-12-29 | 2018-06-15 | 深圳市九洲电器有限公司 | A kind of USB switching circuits and switching system |
| CN109218914A (en) * | 2018-08-27 | 2019-01-15 | 威盛电子股份有限公司 | Audio playing device and audio transmission circuit |
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| CN102969633B (en) | 2015-10-07 |
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