CN201881648U - Ink cartridge for inkjet printer - Google Patents
Ink cartridge for inkjet printer Download PDFInfo
- Publication number
- CN201881648U CN201881648U CN2010206457268U CN201020645726U CN201881648U CN 201881648 U CN201881648 U CN 201881648U CN 2010206457268 U CN2010206457268 U CN 2010206457268U CN 201020645726 U CN201020645726 U CN 201020645726U CN 201881648 U CN201881648 U CN 201881648U
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- jet printer
- print cartridge
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- low pressure
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Abstract
The utility model discloses an ink cartridge for an inkjet printer and further provides a specific structure for implementing an internal circuit. The ink cartridge comprises a low-voltage linear voltage regulator, a reference voltage generator, a programmable oscillator, a sine wave generator and a low-frequency isolation module. When the circuit of the ink cartridge is applied in the inkjet printer, excitation response which has specific resonance frequency property and charge-discharge impedance property and can be identified by the printer can be automatically generated according to an excitation signal of the inkjet printer, so that precise matching with the inkjet printer is realized. In addition, an external power supply is not required in the circuit, and the high integration can effectively reduce the use of peripheral elements and components and reduce the area of a printed circuit board, so that the cost is effectively reduced.
Description
Technical field
The utility model relates to field of ink jet printers, particularly a kind of print cartridge sensor circuit that is applied in the ink-jet printer.
Background technology
The monopolization of ink-jet printer manufacturer for realizing print cartridge is sold, utilize the particular resonant frequency characteristic of piezoelectric transducer in the print cartridge and discharged and recharged impedance operator, when needs detect the ink surplus of print cartridge, the piezoelectric transducer of inkjet printing chance in print cartridge sends the high-voltage dc pulse signal, this high-voltage dc pulse signal can make the piezoelectric ceramics vibration unit of piezoelectric transducer be in resonance state with the medium that contacts with this vibration unit (such as ink and air), after ink-jet printer is cancelled the high-voltage dc pulse signal, the particular resonant frequency characteristic of this resonance state response and discharge and recharge impedance operator and can be detected by ink-jet printer again.Ink-jet printer is according to different resonant frequency characteristics and discharge and recharge impedance operator and just can know current print cartridge excess ink capacity, thereby the prompting user in time changes print cartridge when the ink surplus is not enough.Therefore, the user is in the process of using ink-jet printer, and with regard to the special-purpose print cartridge that must use ink-jet printer manufacturer to provide, this has brought many inconveniences for use of user, and used print cartridge also can't reclaim, and does not meet the environmental protection of country's promotion and the policy of utilizing again.
In recent years, for breaking of the monopolization of ink-jet printer manufacturer to the print cartridge supply, begin to occur the sale of some compatible print cartridges on the market, the implementation of most of compatible print cartridge product all is to form hardware circuit by the separating component of periphery, is used to simulate the particular resonant frequency characteristic of the resonance state response that the coupling ink-jet printer need discern and discharges and recharges impedance operator.But the deficiency of this compatible print cartridge product implementation is that too much peripheral separating component has increased the implementation complexity of compatible print cartridge product, is unfavorable for centralized management, and can increase the area of printed circuit board (PCB), also is unfavorable for saving cost.
The utility model content
In order to address the above problem, the utility model provides a kind of novel print cartridge that is used for ink-jet printer, this print cartridge adopts the sensing circuit of integrated chip formula, avoid too much resolution element, and the ingenious high-voltage dc pulse signal that has utilized ink-jet printer to provide, under the condition of not having fixing outer power voltage, this high-voltage dc pulse signal is converted into the periodic voltage signal of the specific amplitude of oscillation and CF by internal circuit, this signal can accurately be matched with the resonant frequency characteristic of the resonance state response that ink-jet printer need discern and discharge and recharge impedance operator, makes the ink-jet printer can operate as normal.The utility model circuit has effectively reduced the use of external component, and has effectively reduced the area of printed circuit board (PCB), solves the too much peripheral separating component of compatible print cartridge in the prior art and the complexity height that causes, is unfavorable for the technical problem of managing concentratedly.
According to above purpose, the technical scheme of the utility model circuit is achieved in that
The sensing circuit that a kind of print cartridge that is used for ink-jet printer comprises cartridge body and is arranged on integrated chip formula on this cartridge body, this sensing circuit connects two the PORT COM A1 and the A2 of printer, the sensing circuit of described integrated chip formula comprises the low pressure linear voltage regulator, reference voltage generator, programmable oscillator, sine-wave generator and low frequency isolation module, wherein: the low pressure linear voltage regulator connects two the PORT COM A1 and the A2 of printer, described reference voltage generator, programmable oscillator is connected the low pressure linear voltage regulator respectively with sine-wave generator, described programmable oscillator is connected sine-wave generator respectively with the low frequency isolation module, described low frequency isolation module connects two the PORT COM A1 and the A2 of printer, described low pressure linear voltage regulator comprises unidirectional onunit A, unidirectional onunit B, operational amplifier C, resistance R 1, resistance R 2 and capacitor C 1, wherein said unidirectional onunit A receives the high-voltage dc pulse of ink-jet printer by PORT COM A1, described unidirectional onunit B receives the high-voltage dc pulse of ink-jet printer by PORT COM A2, the signal VFB of inner low-voltage dc power supply VDD after via resistance R 1 and resistance R 2 dividing potential drops receives the negative input of operational amplifier C in the described low pressure linear voltage regulator, described reference voltage signal VREF receives the positive input of operational amplifier C, the output signal VCTL of described operational amplifier C receives the grid end of P type metal semiconductor field effect transis, the output signal HVDD of unidirectional onunit A and unidirectional onunit B receives the drain terminal of P type metal semiconductor field effect transis in the low pressure linear voltage regulator, the source end of P type metal semiconductor field effect transis is exported described inner low-voltage dc power supply VDD, described unidirectional onunit A and described unidirectional onunit B comprise diode or metal semiconductor field effect transis, described sensing circuit also includes the internal regulation circuit, described programmable oscillator connects this internal regulation circuit, and described low frequency isolation module comprises the electric capacity and the resistance of parallel connection or series connection.
When ink-jet printer is started working, can be successively not timing pass through excitation COM1 A1 and A2 to print cartridge transmission high-voltage dc pulse signal, at this moment, low pressure linear voltage regulator in the print cartridge sensor circuit of the present utility model is started working, the high-voltage dc pulse of A1 and A2 port is converted into a low-voltage dc power supply VDD, and this low-voltage dc power supply VDD is as the power supply of inner reference voltage generator, programmable oscillator, sine-wave generator.After ink-jet printer was cancelled the high-voltage dc pulse signal, this low-voltage dc power supply VDD still can guarantee reference voltage generator, programmable oscillator, sine-wave generator operate as normal within a certain period of time.That is to say, the utility model circuit is ingenious utilized ink-jet printer successively not timing pass through excitation COM1 A1 and the A2 port sends this characteristic of high-voltage dc pulse signal to print cartridge, and this high-voltage dc pulse signal is converted into a low-voltage dc power supply VDD by the low pressure linear voltage regulator, thereby having solved the problem that the print cartridge sensor circuit does not have the externally fed power supply, is height integrated the providing the foundation of realizing the print cartridge sensor circuit.
Further, after inner low-voltage dc power supply VDD converts, reference voltage generator, programmable oscillator, sine-wave generator begin operate as normal, wherein reference voltage generator produces a reference voltage V REF, this reference voltage V REF output feeds back to the low pressure linear voltage regulator, with the low-voltage dc power supply VDD that guarantees the output of low pressure linear voltage regulator be stabilized in the print cartridge sensor circuit can the voltage range of operate as normal in.Simultaneously, the cyclical signal VCLK of the CF that programmable oscillator output ink-jet printer can be discerned, the cyclical signal VCLK of this CF is sent to sine-wave generator again, be converted into the cyclical signal VS of the specific voltage amplitude of oscillation, the cyclical signal VS of this specific voltage amplitude of oscillation is coupled to the excitation COM1 A1 and the A2 of ink-jet printer again by the low frequency isolation module, the particular resonant frequency characteristic that need discern in order to accurate coupling ink-jet printer and discharge and recharge impedance operator.In other words, whenever ink-jet printer sends the high-voltage dc pulse signal by excitation COM1 A1 and A2 to print cartridge, the utility model circuit converts thereof into the particular resonant frequency characteristic that can discern for ink-jet printer automatically and discharges and recharges the cyclical signal VS of impedance operator, and after ink-jet printer is cancelled the high-voltage dc pulse signal, automatically be coupled to again on excitation COM1 A1 and the A2, and can be discerned by ink-jet printer.
From such scheme as can be seen, the novel print cartridge sensor circuit that the utility model provides can accurately be simulated the particular resonant frequency characteristic that ink-jet printer need discern and be discharged and recharged impedance operator, and realize coupling automatically, thereby realize the continuation print job of ink-jet printer.Like this, the user is when using ink-jet printer, and the special-purpose print cartridge that needn't use ink-jet printer manufacturer to provide greatly facilitates user's use and effectively saved cost.
Description of drawings
Fig. 1 is the communication scheme between disclosed ink-jet printer and the print cartridge;
The structural representation of the print cartridge sensor circuit that Fig. 2 provides for the utility model;
Fig. 3 is that excitation sends and the schematic diagram that detects between ink-jet printer and the print cartridge sensor circuit;
Fig. 4 is the linear stabilizator structure schematic diagram of the low pressure in the print cartridge sensor circuit.
The specific embodiment
In order to embody the advantage of technical solutions of the utility model better, enumerate the specific embodiment below with reference to accompanying drawing, the utility model is further described in detail.
The method of traditional inkjet printing machine testing print cartridge excess ink capacity as shown in Figure 1, be that ink-jet printer passes through port A1 and A2 sends the high-voltage dc pulse signal to print cartridge successively, thereby make the piezoelectric ceramics vibration unit generator tool deformation that is arranged in the inner piezoelectric transducer of print cartridge, and produce resonance with medium (such as ink and air) in the print cartridge, after ink-jet printer is cancelled the high-voltage dc pulse signal, the particular resonant frequency characteristic of piezoelectric transducer and discharge and recharge impedance operator and can be detected in the print cartridge by ink-jet printer, thereby realized the detection of print cartridge excess ink capacity, therefore, there is not in advance the print cartridge of built-in piezoelectric transducer just can't realize normal print job.
The disclosed novel print cartridge sensor circuit of the utility model can effectively be simulated the particular resonant frequency characteristic of piezoelectric transducer and be discharged and recharged impedance operator, realizes being complementary with the ink-jet printer test and excitation.The specific embodiment is as follows:
The disclosed novel print cartridge sensor electrical line structure of the utility model as shown in Figure 2, it is made up of 5 part of module, comprises low pressure linear voltage regulator 1, reference voltage generator 2, programmable oscillator 3, sine-wave generator 4 and low frequency isolation module 5.Below respectively the concrete function and the implementation of every part of module in the print cartridge sensor are launched detailed introduction one by one.
1. low pressure linear voltage regulator 1 is the nucleus module of print cartridge sensor of the present utility model, its internal structure as shown in Figure 4, by unidirectional onunit A(401), unidirectional onunit B(402), operational amplifier C(403), resistance R 1, resistance R 2 and capacitor C 1 form.Because ink-jet printer does not provide fixing power supply to print cartridge, only when detecting print cartridge excess ink capacity, needs just send the high-voltage dc pulse signal to print cartridge, and therefore, this low pressure linear voltage regulator 1 is different from traditional low pressure linear voltage regulator.At first, ink-jet printer is received unidirectional onunit A(401 in the low pressure linear voltage regulator 1 by the A1 port), receive unidirectional onunit B(402 by the A2 port), this unidirectional onunit A and B have unidirectional on state characteristic, can constitute by diode or N type (or P type) metal semiconductor field effect transis, when ink-jet printer sends the high-voltage dc pulse signal by the A1 port, this high-voltage dc pulse signal is by unidirectional onunit 1(401) be transferred to the drain terminal HVDD of P type metal semiconductor field effect transis (P-FET), again via the output that produces inner low-voltage dc power supply VDD behind the source end of P type metal semiconductor field effect transis (P-FET), on the other hand, the signal VFB of inner low-voltage dc power supply VDD after via resistance R 1 and resistance R 2 dividing potential drops receives operational amplifier C(403) negative input, and one reference voltage signal VREF receive operational amplifier C(403) positive input, simultaneously, operational amplifier C(403) output VCTL receives the grid end of P type metal semiconductor field effect transis (P-FET), like this, foregoing circuit is by operational amplifier C(403) feedback loop of formation, thereby realized the output of inner low-voltage dc power supply VDD, and realized voltage stabilizing by capacitor C 1.Then, after ink-jet printer is cancelled the high-voltage dc pulse signal, because the unidirectional conduction property that has of unidirectional onunit A (401) can play the effect of isolation, thereby guaranteed that after ink-jet printer is cancelled high-voltage dc pulse this low pressure linear voltage regulator 1 still can realize the stable output of inner low-voltage dc power supply VDD.Same, when ink-jet printer when the A2 port sends high-voltage dc pulse, this high-voltage dc pulse signal is by unidirectional onunit B(402) be transferred to the drain terminal HVDD of P type metal semiconductor field effect transis (P-FET), again via the output that produces inner dc source VDD behind the source end of P type metal semiconductor field effect transis (P-FET), also can guarantee that after ink-jet printer is cancelled high-voltage dc pulse this low pressure linear voltage regulator 1 still can realize the stable output of inner dc source VDD simultaneously.Therefore, when ink-jet printer sends the high-voltage dc pulse signal by A1 and A2 port periodically successively, the conversion that this low pressure linear voltage regulator 1 is realized from the high-voltage dc pulse signal to inner low-voltage dc power supply VDD, and having solved the problem that ink-jet printer is cancelled does not have fixing input power supply behind the high-voltage dc pulse, its detailed signal conversion timing sequence schematic diagram is as shown in Figure 3.
2. reference voltage generator 2 uses the power supply of above-mentioned inner low-voltage dc power supply VDD as this module, after low pressure linear voltage regulator 1 produces inner low-voltage dc power supply VDD, reference voltage generator 2 is started working automatically, and produces the output of a reference voltage V REF who does not change with temperature and power supply.Because as the input reference data of low pressure linear voltage regulator 1, therefore, the loop that reference voltage generator 2 and low pressure linear voltage regulator 1 form has further guaranteed the stable output of inner low-voltage dc power supply VDD to reference voltage V REF simultaneously.
3. programmable oscillator 3 is used the power supply of above-mentioned inner low-voltage dc power supply VDD as this module, after low pressure linear voltage regulator 1 produces inner low-voltage dc power supply VDD, programmable oscillator 3 is also started working automatically, and the output that produces the cyclical signal VCLK of a stable CF, the cyclical signal VCLK of this CF can accurately be matched with the resonant frequency characteristic of the resonance state response that ink-jet printer need discern.Further, the output frequency of this programmable oscillator 3 can be regulated by internal circuit, be used to mate the resonant frequency characteristic of the different resonance states responses that dissimilar ink-jet printers need discern, realize very big application flexibility, improved the production dose rate of print cartridge sensor circuit of the present utility model when also helping large-scale production simultaneously.
4. sine-wave generator 4 uses the power supply of above-mentioned inner low-voltage dc power supply VDD as this module, after low pressure linear voltage regulator 1 produces inner low-voltage dc power supply VDD, sine-wave generator 4 is also started working automatically, the input that the cyclical signal VCLK of programmable oscillator 3 outputs simultaneously receives sine-wave generator 4, therefore, sine-wave generator 4 just produced one with the sine wave signal output VS of cyclical signal VCLK same frequency, simultaneously, the specific amplitude of oscillation of this sine wave signal output VS can accurately be matched with the impedance operator that discharges and recharges that ink-jet printer need discern.Detailed signal conversion timing sequence schematic diagram as shown in Figure 3.
5. low frequency isolation module 5 has the function of isolating low frequency signal and couples high frequency signals, it can by internal capacitance and internal resistance be in parallel or series connection constitutes, after sine-wave generator 4 was started working, the CF that this low frequency isolation module 5 can produce sine-wave generator 4 and the sine wave signal output VS of the specific amplitude of oscillation were coupled to the port A1 and the port A2 of ink-jet printer.Because the sine wave signal output VS of above-mentioned CF and the specific amplitude of oscillation can accurately be matched with the resonant frequency characteristic of the resonance state response that ink-jet printer need discern and discharge and recharge impedance operator, therefore, after ink-jet printer is cancelled the high-voltage dc pulse signal, the sine wave signal output VS of this CF and the specific amplitude of oscillation can be transferred to port A1 and port A2 by low frequency isolation module 5, and can be detected by ink-jet printer, when the default resonance state response signal of itself and ink-jet printer is complementary, just can continue to begin the operation of print job.State 301 shown in Fig. 3 and state 302 have shown the resonant frequency characteristic of inkjet printing machine testing print cartridge resonance state response and have discharged and recharged the process of impedance operator.
In sum, the disclosed novel print cartridge that is used for ink-jet printer of the utility model is by inner low pressure linear voltage regulator 1, reference voltage generator 2, programmable oscillator 3, the work that cooperatively interacts of sine-wave generator 4 and low frequency isolation module 5, automatically realized under the condition of not having fixing outer power voltage, send the high-voltage dc pulse signal by A1 and A2 port successively and finally be converted into the CF that to be discerned by ink-jet printer and the sine wave signal output VS of the specific amplitude of oscillation ink-jet printer is periodic dexterously, and the sine wave signal output VS of this CF and the specific amplitude of oscillation is coupled to port A1 and port A2, finally realized the process of inkjet printing machine testing print cartridge excess ink capacity.Complete detailed signal conversion timing sequence schematic diagram as shown in Figure 3.
Therefore, the novel print cartridge sensor circuit that the utility model provides can accurately be simulated the particular resonant frequency characteristic that ink-jet printer need discern and be discharged and recharged impedance operator, and realizes coupling automatically, thereby realizes the continuation print job of ink-jet printer.Like this, the user is when using ink-jet printer, and the special-purpose print cartridge that needn't use ink-jet printer manufacturer to provide greatly facilitates user's use, and effectively reduced the use of external component and effectively reduced the area of printed circuit board (PCB), thereby effectively provide cost savings.In addition, used print cartridge can also be recycled by the method that the utility model circuit provides, and meets the environmental protection of country's promotion and the policy of utilizing again.
The above only is examples of implementation of the present utility model, and in order to restriction the utility model, all any modification, replacement and improvement of being made within method of the present utility model, thought and principle all should not be included in the protection domain of the present utility model.
Claims (7)
1. print cartridge that is used for ink-jet printer is characterized in that: the sensing circuit that this print cartridge comprises cartridge body and is arranged on integrated chip formula on this cartridge body, this sensing circuit connect two the PORT COM A1 and the A2 of printer.
2. according to the described print cartridge that is used for ink-jet printer of claim 1, it is characterized in that: the sensing circuit of described integrated chip formula comprises the low pressure linear voltage regulator, reference voltage generator, programmable oscillator, sine-wave generator and low frequency isolation module, wherein: the low pressure linear voltage regulator connects two the PORT COM A1 and the A2 of printer, described reference voltage generator, programmable oscillator is connected the low pressure linear voltage regulator respectively with sine-wave generator, described programmable oscillator is connected sine-wave generator respectively with the low frequency isolation module, and described low frequency isolation module connects two the PORT COM A1 and the A2 of printer.
3. according to the described print cartridge that is used for ink-jet printer of claim 2, it is characterized in that: described low pressure linear voltage regulator comprises unidirectional onunit A, unidirectional onunit B, operational amplifier C, resistance R 1, resistance R 2 and capacitor C 1, wherein said unidirectional onunit A is by the high-voltage dc pulse of PORT COM A1 reception ink-jet printer, and described unidirectional onunit B receives the high-voltage dc pulse of ink-jet printer by PORT COM A2.
4. according to the described print cartridge that is used for ink-jet printer of claim 3, it is characterized in that, the signal VFB of inner low-voltage dc power supply VDD after via resistance R 1 and resistance R 2 dividing potential drops receives the negative input of operational amplifier C in the described low pressure linear voltage regulator, described reference voltage signal VREF receives the positive input of operational amplifier C, the output signal VCTL of described operational amplifier C receives the grid end of P type metal semiconductor field effect transis, the output signal HVDD of unidirectional onunit A and unidirectional onunit B receives the drain terminal of P type metal semiconductor field effect transis in the low pressure linear voltage regulator, and the source end of P type metal semiconductor field effect transis is exported described inner low-voltage dc power supply VDD.
5. according to the described print cartridge that is used for ink-jet printer of claim 3, it is characterized in that described unidirectional onunit A and described unidirectional onunit B comprise diode or metal semiconductor field effect transis.
6. according to each described print cartridge that is used for ink-jet printer in the claim 2 to 5, it is characterized in that: described sensing circuit also includes the internal regulation circuit, and described programmable oscillator connects this internal regulation circuit.
7. according to each described print cartridge that is used for ink-jet printer in the claim 2 to 5, it is characterized in that described low frequency isolation module comprises the electric capacity and the resistance of parallel connection or series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206457268U CN201881648U (en) | 2010-12-07 | 2010-12-07 | Ink cartridge for inkjet printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206457268U CN201881648U (en) | 2010-12-07 | 2010-12-07 | Ink cartridge for inkjet printer |
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| CN201881648U true CN201881648U (en) | 2011-06-29 |
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| CN2010206457268U Expired - Fee Related CN201881648U (en) | 2010-12-07 | 2010-12-07 | Ink cartridge for inkjet printer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139574A (en) * | 2010-12-07 | 2011-08-03 | 深圳市晟碟半导体有限公司 | Ink box for ink-jet printer and control method thereof |
| CN102909960A (en) * | 2012-05-25 | 2013-02-06 | 珠海艾派克微电子有限公司 | Chip applied to ink box of ink-jet printer, ink box and control method thereof |
| CN102941736A (en) * | 2012-06-08 | 2013-02-27 | 珠海艾派克微电子有限公司 | Ink cartridge applied to ink-jet printer, chip on ink cartridge and method for controlling chip |
| CN103395295A (en) * | 2013-07-23 | 2013-11-20 | 杭州旗捷科技有限公司 | Chip of ink box of ink-jet printer |
| CN111645424A (en) * | 2020-06-15 | 2020-09-11 | 蔡怀峰 | Method for assembling ink box head |
| CN111660674A (en) * | 2020-06-15 | 2020-09-15 | 蔡怀峰 | Ink box head plate-matching device |
-
2010
- 2010-12-07 CN CN2010206457268U patent/CN201881648U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139574A (en) * | 2010-12-07 | 2011-08-03 | 深圳市晟碟半导体有限公司 | Ink box for ink-jet printer and control method thereof |
| WO2012075858A1 (en) * | 2010-12-07 | 2012-06-14 | 深圳市晟碟半导体有限公司 | Ink cartridge for ink jet printer and control method thereof |
| CN102139574B (en) * | 2010-12-07 | 2014-08-20 | 深圳市晟碟半导体有限公司 | Ink box for ink-jet printer and control method thereof |
| CN102909960A (en) * | 2012-05-25 | 2013-02-06 | 珠海艾派克微电子有限公司 | Chip applied to ink box of ink-jet printer, ink box and control method thereof |
| CN102941736A (en) * | 2012-06-08 | 2013-02-27 | 珠海艾派克微电子有限公司 | Ink cartridge applied to ink-jet printer, chip on ink cartridge and method for controlling chip |
| CN102941736B (en) * | 2012-06-08 | 2015-04-01 | 珠海艾派克微电子有限公司 | Ink cartridge applied to ink-jet printer, chip on ink cartridge and method for controlling chip |
| CN103395295A (en) * | 2013-07-23 | 2013-11-20 | 杭州旗捷科技有限公司 | Chip of ink box of ink-jet printer |
| CN103395295B (en) * | 2013-07-23 | 2016-01-20 | 杭州旗捷科技有限公司 | The chip of ink-jet printer cartridge |
| CN111645424A (en) * | 2020-06-15 | 2020-09-11 | 蔡怀峰 | Method for assembling ink box head |
| CN111660674A (en) * | 2020-06-15 | 2020-09-15 | 蔡怀峰 | Ink box head plate-matching device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20121207 |