CN203167209U - Earphone - Google Patents
Earphone Download PDFInfo
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- CN203167209U CN203167209U CN 201320042453 CN201320042453U CN203167209U CN 203167209 U CN203167209 U CN 203167209U CN 201320042453 CN201320042453 CN 201320042453 CN 201320042453 U CN201320042453 U CN 201320042453U CN 203167209 U CN203167209 U CN 203167209U
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- earphone
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- microphone
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Abstract
The utility model discloses an earphone comprising a voltage controlled switch, a switch button set, a microphone and more than two earphone circuits, wherein the different earphone circuits are corresponding to operation systems of different intelligent handsets, and the voltage controlled switch is arranged between the switch button set, the microphone and more than two earphone circuits. A voltage input terminal of the voltage controlled switch is connected with a terminal of the earphone connected with the microphone. The voltage controlled switch is used for identifying the operation system of the intelligent handset the earphone is inserted at present based on voltage of the terminal of the earphone connected with the microphone, and controlling change-over switches of the voltage controlled switch to switch the corresponding set of earphone circuit, so that communication of the switch button set, the microphone and the corresponding set of earphone circuit is realized. According to the technical scheme provided by the utility model, the earphone can be university used for the intelligent handsets of different operation systems.
Description
Technical field
The utility model relates to the earphone system technical field, particularly a kind of earphone.
Background technology
Operation system of smart phone is a kind of operational capability and the stronger cell phone system of function ratio traditional function cell phone system.Use maximum operation system of smart phone to have: iOS, Windows Phone etc.Application software between them is incompatible.
Existing smart mobile phone generally has the supporting earphone with distant control function, has volume and adds (Vol+), volume down (Vol-), receiving/hang-up (Send/End) distant control function.But existing the earphone of distant control function is arranged all is to cooperate certain operation system of smart phone separately.For example iOS operating system mobile phone can only be used for the supporting earphone with distant control function of iOS operating system mobile phone, and other operating system mobile phones can not be used for.Earphone with distant control function same and that Windows Phone operating system mobile phone is supporting can only be used for Windows Phone operating system mobile phone, and can not be used for other operating system mobile phones.
The utility model content
In view of this, the utility model provides a kind of earphone, is common to the mobile phone of different operating system to realize a earphone.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model discloses a kind of earphone, this earphone comprises: votage control switch, switch key group, microphone and plural head circuit, the wherein corresponding different intelligent mobile phone operating system of different head circuit;
Described votage control switch is arranged between switch key group and microphone and the head circuit more than described two groups, and the voltage input end of described votage control switch is connected with the microphone end that connects of described earphone;
Described votage control switch is according to the operating system of the smart mobile phone of the current insertion of the described earphone of the voltage identification that connects the microphone end of described earphone, the diverter switch of controlling self switches to one group of corresponding head circuit, to realize the connection of one group of head circuit that switch key group and microphone are corresponding with this.
Alternatively, the corresponding different voltage range of described different intelligent mobile phone operating system; Described votage control switch is identified the operating system of the smart mobile phone of the current insertion of described earphone according to the voltage range that the magnitude of voltage that connects the microphone end of described earphone falls into, and then the diverter switch of controlling self switches to one group of corresponding head circuit.
Alternatively, comprise two head circuits in this earphone, be respectively the head circuit of corresponding iOS operating system and the head circuit of corresponding Windows Phone operating system.
Alternatively, described votage control switch comprises three groups of diverter switches, and every group of diverter switch comprises: fixed contact, first double-throw contact, second double-throw contact and the switching electrode that is connected with fixed contact;
During less than reference voltage, beat to first double-throw contact by the switching electrode of controlling in every group of diverter switch at the voltage of voltage input end for described votage control switch; Otherwise during greater than reference voltage, the switching electrode of controlling in every group of diverter switch is beaten to second double-throw contact at the voltage of voltage input end.
Alternatively, described votage control switch comprises a relatively control module; A described relatively input of control module is connected with reference voltage, and described relatively another input of control module is connected with described voltage input end, and the described relatively output control terminal of control module is connected respectively with described three groups of diverter switches.
Alternatively, described switch key group comprises: answer hang up switch key S0, volume adds switch button S1 and volume down switch key S2;
Wherein, the end of S0 is connected with the earth terminal of described earphone, and the other end is connected with the microphone end that connects of described earphone; The end of S1 is connected with the earth terminal of described earphone, and the fixed contact in first group of diverter switch in the other end and the votage control switch is connected; The end of S2 is connected with the earth terminal of described earphone, and the fixed contact in second group of diverter switch in the other end and the votage control switch is connected.
Alternatively, the head circuit of described corresponding iOS operating system comprises: first resistance, second resistance, N channel field-effect pipe and " Mikey Chip " chip;
Wherein, " Mikey Chip " chip is connected with an end that connects microphone end, first resistance of described earphone and the grid of N channel field-effect pipe respectively; The other end of first resistance is connected with an end of second resistance, and the other end of first resistance also with votage control switch in first group of diverter switch in second double-throw contact be connected; Second double-throw contact in second group of diverter switch in the other end of second resistance and the votage control switch is connected; The source electrode of N channel field-effect pipe is connected with the earth terminal of described earphone, and second double-throw contact in the 3rd group of diverter switch in the drain electrode of N channel field-effect pipe and the votage control switch is connected;
One end of microphone is connected with the microphone end that connects of described earphone, and the fixed contact in the 3rd group of diverter switch in the other end of microphone and the votage control switch is connected.
Alternatively, the head circuit of described corresponding Windows Phone operating system comprises: the 3rd resistance and the 4th resistance;
Wherein, an end of the 3rd resistance is connected with the microphone end that connects of described earphone; The other end of the 3rd resistance is connected with an end of the 4th resistance; The other end of the 3rd resistance also with votage control switch in first group of diverter switch in first double-throw contact be connected; First double-throw contact in second group of diverter switch in the other end of the 4th resistance and the votage control switch is connected; First double-throw contact in the 3rd group of diverter switch in the votage control switch is connected with the earth terminal of described earphone;
One end of microphone is connected with the microphone end that connects of described earphone, and the fixed contact in the 3rd group of diverter switch in the other end of microphone and the votage control switch is connected.
Alternatively, the resistance of described first resistance is 6.8k Ω; The resistance of described second resistance is 2.61k Ω; The resistance of described the 3rd resistance is 221 Ω; The resistance of described the 4th resistance is 392 Ω.
Alternatively, the value of described fixed power source voltage is+1.9V.
As seen by above-mentioned, this earphone of the utility model comprises votage control switch, switch key group, microphone and plural head circuit, wherein the corresponding different intelligent mobile phone operating system of different head circuit; Described votage control switch is arranged between switch key group and microphone and the head circuit more than described two groups, and the voltage input end of described votage control switch is connected with the microphone end that connects of described earphone; Described votage control switch is according to the operating system of the smart mobile phone of the current insertion of the described earphone of the voltage identification that connects the microphone end of described earphone, the diverter switch of controlling self switches to one group of corresponding head circuit, technical scheme with the connection that realizes one group of head circuit that switch key group and microphone are corresponding with this makes a earphone can be common to the mobile phone of different operating system.
Description of drawings
Fig. 1 is the schematic diagram of the earphone among the utility model embodiment;
Fig. 2 is the electrical block diagram of the realization identification switching controls of the earphone among the utility model embodiment.
Embodiment
Core of the present utility model is: votage control switch, switch key group, microphone and the head circuit more than two groups are set, wherein on the same group the corresponding different intelligent mobile phone operating system of head circuit not in earphone; Votage control switch is arranged between switch key group and microphone and the described head circuit more than two groups, and makes the voltage input end of described votage control switch be connected with the microphone end that connects of described earphone; Votage control switch can be according to the operating system of the smart mobile phone of the current insertion of this earphone of the voltage identification that connects the microphone end of this earphone, the diverter switch of controlling self switches to one group of corresponding head circuit, to realize the connection of one group of head circuit that switch key group and microphone are corresponding with this.
The utility model mainly utilizes different operation system of smart phone to the difference of the input voltage that connects microphone end (the M utmost point) in the earphone, adopt votage control switch to identify this different voltage, and then the corresponding mobile phone operating system type of identification, automatically adjust the configuration of earphone then, adapt to the mobile phone operating system of current correspondence.
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model execution mode is described in further detail.
Earphone among the utility model embodiment comprises: votage control switch, switch key group, microphone and plural head circuit, the wherein corresponding different intelligent mobile phone operating system of different head circuit; Votage control switch is arranged between switch key group and microphone and the head circuit more than described two groups, and the voltage input end of described votage control switch is connected with the microphone end that connects of described earphone; Votage control switch is according to the operating system of the smart mobile phone of the current insertion of this earphone of the voltage identification that connects the microphone end of this earphone, the diverter switch of controlling self switches to one group of corresponding head circuit, to realize the connection of one group of head circuit that switch key group and microphone are corresponding with this.
In an embodiment of the present utility model, particularly: the voltage range that the different intelligent mobile phone operating system is corresponding different; The votage control switch voltage range that can fall into according to the magnitude of voltage that connects the microphone end of earphone then, the operating system of the smart mobile phone of the current insertion of identification earphone, and then the diverter switch of controlling self switches to one group of corresponding head circuit.
For example, comprise three groups of head circuits in the earphone, respectively corresponding three kinds of operation system of smart phone, wherein the voltage range of the correspondence of first kind of operation system of smart phone be+1.5V～+ 1.9V, the voltage range of the correspondence of second kind of operation system of smart phone is+2.0V～+ 2.5V, the voltage range of the correspondence of the third operation system of smart phone is+2.6V～+ 3.5V.If the voltage that connects the microphone end of earphone is 2.1V, fallen into+2.0V～+ this scope of 2.5V, the operating system that then can confirm the smart mobile phone of the current insertion of earphone is described second kind of operation system of smart phone, diverter switch is switched to the head circuit of this second kind of operation system of smart phone correspondence, it is communicated with switch key.
Below with 4 pin 3.5mm earphones, and this earphone can be common to iOS operating system mobile phone and Windows Phone operating system mobile phone is example, and the technical solution of the utility model is elaborated.
Fig. 1 is the schematic diagram of the earphone among the utility model embodiment.As shown in Figure 1, this earphone is 4 pin 3.5mm earphones, and R is the R channel end, and L is the L channel end, and G is earth terminal, and M is for connecing the microphone end, and Vol+ is that volume adds the switch button, and Vol-is the volume down switch key, and Send/End is hung up switch key for answering.
Fig. 2 is the electrical block diagram of the realization identification switching controls of the earphone among the utility model embodiment.Earphone in the present embodiment can be common to iOS operating system mobile phone and Windows Phone operating system mobile phone.
Referring to Fig. 2, comprise in this structure: votage control switch S, to answer and hang up switch key S0, volume adds switch button S1, volume down switch key S2, microphone Mic, the head circuit of the head circuit of corresponding iOS operating system and corresponding Windows Phone operating system.
Referring to Fig. 2, the voltage input end of votage control switch S is connected with the microphone end M that connects of earphone, and votage control switch S is built-in with a reference voltage, and in an embodiment of the present utility model, this reference voltage is+1.9V.In other embodiment of the present utility model, votage control switch can also external reference voltage, can revise the value of reference voltage neatly.Votage control switch S comprises three groups of diverter switches, from left to right is followed successively by first group of diverter switch, second group of diverter switch and the 3rd group of diverter switch.Every group of diverter switch comprises: fixed contact 0, first double-throw contact 1, second double-throw contact 2 and the switching electrode that is connected with fixed contact 0.Votage control switch S is a chip, and itself has control logic, and in the present embodiment, during less than reference voltage, beat to first double-throw contact 1 by the switching electrode of controlling in every group of diverter switch at the voltage of voltage input end for votage control switch S; Otherwise during greater than reference voltage, the switching electrode of controlling in every group of diverter switch is beaten to second double-throw contact 2 at the voltage of voltage input end.Perhaps, in other embodiment of the present utility model, votage control switch S is in the magnitude of voltage of voltage input end falls into less than the first predeterminated voltage scope of reference voltage the time, and the switching electrode of controlling in every group of diverter switch is beaten to first double-throw contact 1; In the time of in the magnitude of voltage of voltage input end falls into greater than the second predeterminated voltage scope of reference voltage, the switching electrode of controlling in every group of diverter switch is beaten to second double-throw contact 2.For example, reference voltage is got+1.9V, and the first predeterminated voltage scope gets+1.5V～+ 1.8V, the second predeterminated voltage scope is got+2.0V～2.3V.
In the present embodiment, votage control switch S comprises a relatively control module C; Relatively the input of control module C is connected with reference voltage Vref, and relatively another input of control module C is connected with voltage input end Vin, and relatively the output control terminal of control module C is connected respectively with three groups of diverter switches.Finish the voltage of voltage input end and the comparison between the reference voltage by comparing control module C like this, and according to three groups of diverter switches of the corresponding control of comparative result.
The end of S0 is connected with the earth terminal G of earphone, and the other end is connected with the microphone end M that connects of earphone.The end of S1 is connected with the earth terminal G of earphone, and the fixed contact 0 in first group of diverter switch among the other end and the votage control switch S is connected; The end of S2 is connected with the earth terminal G of earphone, and the fixed contact 0 in second group of diverter switch among the other end and the votage control switch S is connected.
In the present embodiment, the head circuit of corresponding iOS operating system comprises: first resistance R 1, second resistance R 2, N channel field-effect pipe Q1 and " Mikey Chip " chip." Mikey Chip " chip is chip special-purpose in the remote control earphone of i Phone." Mikey Chip " chip is connected with an end that connects microphone end M, first resistance R 1 of earphone and the grid of N channel field-effect pipe Q1 respectively.The other end of first resistance R 1 is connected with an end of second resistance R 2, and the other end of first resistance R 1 also with votage control switch S in first group of diverter switch in second double-throw contact 2 be connected.Second double-throw contact 2 in second group of diverter switch among the other end of second resistance R 2 and the votage control switch S is connected.The source electrode of N channel field-effect pipe Q1 is connected with the earth terminal G of earphone, and second double-throw contact 2 in the 3rd group of diverter switch among the drain electrode of N channel field-effect pipe Q1 and the votage control switch S is connected.In the present embodiment, the resistance of first resistance R 1 is 6.8k Ω; The resistance of second resistance R 2 is 2.61k Ω.The head circuit of the corresponding iOS operating system here is identical with head circuit in the remote control earphone of i Phone of the prior art, therefore no longer the operation principle of this head circuit is described here.
The end of microphone Mic is connected with the microphone end M that connects of earphone, and the fixed contact 0 in the 3rd group of diverter switch among the other end of microphone Mic and the votage control switch S is connected.
In embodiment of the present utility model, the head circuit of corresponding Windows Phone operating system comprises: the 3rd resistance R 3 and the 4th resistance R 4.The resistance of the 3rd resistance R 3 is 221 Ω, and the resistance of the 4th resistance R 4 is 392 Ω.Among Fig. 2 1% represents precision.This is identical with head circuit in the remote control earphone of existing Windows Phone operating system mobile phone, and therefore the operation principle to this head circuit no longer illustrates.
In embodiment of the present utility model, an end of the 3rd resistance R 3 is connected with the microphone end M that connects of earphone; The other end of the 3rd resistance R 3 is connected with an end of the 4th resistance R 4; The other end of the 3rd resistance R 3 also with votage control switch S in first group of diverter switch in first double-throw contact 1 be connected.First double-throw contact 1 in second group of diverter switch among the other end of the 4th resistance R 4 and the votage control switch S is connected.First double-throw contact 1 in the 3rd group of diverter switch among the votage control switch S is connected with the earth terminal G of earphone.
Insert the mobile phone jack if will comprise the plug of the earphone of circuit structure shown in Figure 2, votage control switch S detects the magnitude of voltage that meets microphone end M less than+1.9V, then the switching electrode in three groups of diverter switches among the votage control switch S is all beaten to double-throw contact 1, votage control switch S and the 3rd resistance R 3 and the 4th resistance R 4 are connected, switch to the head circuit of Windows Phone operating system, this moment, S0, S1 and S2 button were carried out the control operation of Windows Phone operating system.
Insert the mobile phone jack if will comprise the plug of the earphone of circuit structure shown in Figure 2, votage control switch S detects the magnitude of voltage that meets microphone end M greater than+1.9V, then the switching electrode in three groups of diverter switches among the votage control switch S is all beaten to double-throw contact 2, votage control switch S and first resistance R 1 and second resistance R 2 and N channel field-effect pipe Q1 connect, switch to the head circuit of iOS operating system, this moment, S0, S1 and S2 button were carried out the control operation of iOS operating system.
As seen, circuit structure shown in Figure 2 can be so that an earphone be common to Windows Phone operating system mobile phone and iOS operating system mobile phone.
Provided the control structure in the remote control earphone that is common to Windows Phone operating system mobile phone and iOS operating system mobile phone in the embodiment shown in Figure 2.But this can not be as restriction of the present utility model.Also can be other operation system of smart phone in other embodiment of the present utility model, only the head circuit relative set of the operation system of smart phone of correspondence need be got final product in this structure.And the head circuit that arranges also is not limited to two, can be more, as long as design number and the number of the double-throw contact in each diverter switch and the logic of controlling according to voltage of diverter switch in the votage control switch.Being about to votage control switch is arranged between switch key group and microphone and the head circuit more than two groups, and make the voltage input end of votage control switch be connected with the microphone end that connects of earphone, votage control switch is according to the operating system of the smart mobile phone of the current insertion of this earphone of the voltage identification that connects the microphone end of this earphone, the diverter switch of controlling self switches to one group of corresponding head circuit, to realize the connection of one group of head circuit that switch key group and microphone are corresponding with this.Go up like this that just can realize can be general and the earphone of the smart mobile phone of operating system arbitrarily.
The above is preferred embodiment of the present utility model only, is not for limiting protection range of the present utility model.All any modifications of within spirit of the present utility model and principle, doing, be equal to replacement, improvement etc., all be included in the protection range of the present utility model.
Claims (9)
1. an earphone is characterized in that, this earphone comprises: votage control switch, switch key group, microphone and plural head circuit, the wherein corresponding different intelligent mobile phone operating system of different head circuit;
Described votage control switch is arranged between switch key group and microphone and the head circuit more than described two groups, and the voltage input end of described votage control switch is connected with the microphone end that connects of described earphone;
Described votage control switch is according to the operating system of the smart mobile phone of the current insertion of the described earphone of the voltage identification that connects the microphone end of described earphone, the diverter switch of controlling self switches to one group of corresponding head circuit, to realize the connection of one group of head circuit that switch key group and microphone are corresponding with this.
2. earphone as claimed in claim 1 is characterized in that, the voltage range that described different intelligent mobile phone operating system is corresponding different;
Described votage control switch is identified the operating system of the smart mobile phone of the current insertion of described earphone according to the voltage range that the magnitude of voltage that connects the microphone end of described earphone falls into, and then the diverter switch of controlling self switches to one group of corresponding head circuit.
3. earphone as claimed in claim 1 is characterized in that, comprises two head circuits in this earphone, is respectively the head circuit of corresponding iOS operating system and the head circuit of corresponding Windows Phone operating system.
4. earphone as claimed in claim 3 is characterized in that,
Described votage control switch comprises three groups of diverter switches, and every group of diverter switch comprises: fixed contact, first double-throw contact, second double-throw contact and the switching electrode that is connected with fixed contact;
During less than reference voltage, beat to first double-throw contact by the switching electrode of controlling in every group of diverter switch at the voltage of voltage input end for described votage control switch; Otherwise during greater than reference voltage, the switching electrode of controlling in every group of diverter switch is beaten to second double-throw contact at the voltage of voltage input end.
5. earphone as claimed in claim 4 is characterized in that, described votage control switch comprises a relatively control module;
A described relatively input of control module is connected with reference voltage, and described relatively another input of control module is connected with described voltage input end, and the described relatively output control terminal of control module is connected respectively with described three groups of diverter switches.
6. earphone as claimed in claim 4 is characterized in that, described switch key group comprises: answer hang up switch key S0, volume adds switch button S1 and volume down switch key S2;
Wherein, the end of S0 is connected with the earth terminal of described earphone, and the other end is connected with the microphone end that connects of described earphone; The end of S1 is connected with the earth terminal of described earphone, and the fixed contact in first group of diverter switch in the other end and the votage control switch is connected; The end of S2 is connected with the earth terminal of described earphone, and the fixed contact in second group of diverter switch in the other end and the votage control switch is connected.
7. earphone as claimed in claim 6 is characterized in that, the head circuit of described corresponding iOS operating system comprises: first resistance, second resistance, N channel field-effect pipe and " Mikey Chip " chip;
Wherein, " Mikey Chip " chip is connected with an end that connects microphone end, first resistance of described earphone and the grid of N channel field-effect pipe respectively; The other end of first resistance is connected with an end of second resistance, and the other end of first resistance also with votage control switch in first group of diverter switch in second double-throw contact be connected; Second double-throw contact in second group of diverter switch in the other end of second resistance and the votage control switch is connected; The source electrode of N channel field-effect pipe is connected with the earth terminal of described earphone, and second double-throw contact in the 3rd group of diverter switch in the drain electrode of N channel field-effect pipe and the votage control switch is connected;
One end of microphone is connected with the microphone end that connects of described earphone, and the fixed contact in the 3rd group of diverter switch in the other end of microphone and the votage control switch is connected.
8. earphone as claimed in claim 7 is characterized in that, the head circuit of described corresponding Windows Phone operating system comprises: the 3rd resistance and the 4th resistance;
Wherein, an end of the 3rd resistance is connected with the microphone end that connects of described earphone; The other end of the 3rd resistance is connected with an end of the 4th resistance; The other end of the 3rd resistance also with votage control switch in first group of diverter switch in first double-throw contact be connected; First double-throw contact in second group of diverter switch in the other end of the 4th resistance and the votage control switch is connected; First double-throw contact in the 3rd group of diverter switch in the votage control switch is connected with the earth terminal of described earphone;
One end of microphone is connected with the microphone end that connects of described earphone, and the fixed contact in the 3rd group of diverter switch in the other end of microphone and the votage control switch is connected.
9. earphone as claimed in claim 8 is characterized in that,
The resistance of described first resistance is 6.8k Ω;
The resistance of described second resistance is 2.61k Ω;
The resistance of described the 3rd resistance is 221 Ω;
The resistance of described the 4th resistance is 392 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320042453 CN203167209U (en) | 2013-01-25 | 2013-01-25 | Earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320042453 CN203167209U (en) | 2013-01-25 | 2013-01-25 | Earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203167209U true CN203167209U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320042453 Withdrawn - After Issue CN203167209U (en) | 2013-01-25 | 2013-01-25 | Earphone |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079138A (en) * | 2013-01-25 | 2013-05-01 | 青岛歌尔声学科技有限公司 | Earphone and method for realizing automatic recognition switching control of earphone |
| CN104581591A (en) * | 2013-10-22 | 2015-04-29 | Gn瑞声达A/S | Hearing instrument capable of cutting off microphone power supply |
| CN114691219A (en) * | 2020-12-31 | 2022-07-01 | 成都鼎桥通信技术有限公司 | System switching method and device, wearable device and user terminal |
-
2013
- 2013-01-25 CN CN 201320042453 patent/CN203167209U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103079138A (en) * | 2013-01-25 | 2013-05-01 | 青岛歌尔声学科技有限公司 | Earphone and method for realizing automatic recognition switching control of earphone |
| CN103079138B (en) * | 2013-01-25 | 2015-05-27 | 青岛歌尔声学科技有限公司 | Earphone and method for realizing automatic recognition switching control of earphone |
| CN104581591A (en) * | 2013-10-22 | 2015-04-29 | Gn瑞声达A/S | Hearing instrument capable of cutting off microphone power supply |
| CN114691219A (en) * | 2020-12-31 | 2022-07-01 | 成都鼎桥通信技术有限公司 | System switching method and device, wearable device and user terminal |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20150527 |
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| RGAV | Abandon patent right to avoid regrant |