CN102285354B - Alarm device for car - Google Patents
Alarm device for car Download PDFInfo
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- CN102285354B CN102285354B CN201110155089A CN201110155089A CN102285354B CN 102285354 B CN102285354 B CN 102285354B CN 201110155089 A CN201110155089 A CN 201110155089A CN 201110155089 A CN201110155089 A CN 201110155089A CN 102285354 B CN102285354 B CN 102285354B
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Abstract
The invention relates to an alarm device for a car, and the alarm device comprises an RF (Radio Frequency) antenna, an RFID (Radio Frequency Identifier) module, a GSM (Global System of Mobile communication) unit, a GPS (Global Positioning System) unit, a data processing unit, a control unit, a voice alarm circuit and a car circuit, wherein after being received by the RF antenna, a signal of the RFID module is sent into the data processing unit; after being converted into a digital signal, the signal is sent to the control unit; the control unit is used for acquiring identity data and comparing the identity data with the stored information; if the comparison result is consistent, a control signal is sent after an antitheft status is relieved, thereby actuating first and second relays and normally starting the car; and if the comparison result is inconsistent or the car is driven outside a preset scope, the car circuit is locked and an alarm is given to a car owner in the form of a short message which carries the present position information of the car. The alarm device can be used for realizing an over-speed alarm function and comprehensively enhancing the safety.
Description
Technical field
The present invention relates to field of automobile safety, saying so exactly refers to a kind of device that is used for auto alarm.
Background technology
Along with the fast development of Chinese national economy, the significantly raising and the continuous progress in science and technology of living standards of the people, existing increasing people has had automobile, and the thing followed is how to protect the not stolen problem of love car of oneself.
The anti-joyride device of automobile mainly is divided into two kinds at present; A kind of is mechanical anti-joyride device, and another kind is the anti-joyride device of electronics, and mechanical anti-joyride device mainly relies on locking clutch, braking, throttle or bearing circle to reach theft-proof purpose; Yet the shortcoming of this type anti-joyride device is that only antitheft is not reported to the police and dismounting is cumbersome; Also need certain space to place Car Burglar Alarm after unblanking, concerning limited interior space, both unbecoming also inconvenient.The anti-joyride device of electronics of a great variety, function is also of all kinds, but all has some problems basically, such as, intense influence is to car owner's mood during wrong report, and the sound of annunciator is also perplexing resident or the pedestrian around the vehicle parking zone.In addition, anti-joyride device is in the power consumption state always when standby, and this has also increased the weight of the burden of storage battery in the car greatly, and the radio signal of anti-joyride device also can be by the robber with the speciality tool shielding or aloft intercept and capture and cause vehicles is stolen.
Therefore, how to guarantee to like car safe, reduce the influence of wrong report to car owner and vehicle parking zone resident on every side, become auto-safety mechanism manufacturer and user's joint demand and target.
Summary of the invention
Technical matters to be solved by this invention is the deficiency that overcomes prior art, and a more perfect device that is used for automotive safety is provided.
This technical scheme realizes through auto-safety mechanism; In this device, comprise: radio frequency antenna (JP1), RF tag RFID module, GSM unit, GPS unit, data processing unit (U1), control unit (U2), the unit that tests the speed, voice alarm circuit and automobile circuit is characterized in that:
A.RF antenna JP1 provides energy to the RFID module with wireless mode, receives the analog signal that the RFID module is sent simultaneously, and with sending into data processing unit U1 after the dividing potential drop of the analog signal that receives through first resistance R 1, first capacitor C 1, second capacitor C 2;
B. data processing unit U1 is programmable logic device (CPLD) or on-site programmable gate array FPGA, and U1 is connected with the 1st pin of control unit U2 through resistance R 2, is used to control the state of U1; After U1 receives the analog signal by the JP1 input, pass through Filtering Processing, and become digital serial signal to be sent to the 2nd pin of control unit U2 through resistance R 3 analog signal conversion through the comparator in the chip; Simultaneously, U1 output synchronizing clock signals is to the 3rd pin of U2, to make things convenient for accurately demodulation numeral serial signal of U2;
C. control unit U2 is the MSC-51 micro controller system; The 4th pin of U2 is connected with relay R elay 1 through the circuit of being made up of diode D1, resistance R 4 and capacitor C 3, and the 6th pin of U2 is connected with relay R elay 2 through the circuit of being made up of diode D2, resistance R 5 and capacitor C 4; After U2 received the digital serial signal that data processing unit U1 sends, decoding processing drew identity information, again with U2 in the identity information preserved in advance compare; If both are consistent; Then indicate identification is legal, and the 4th pin output high level of U2 charges to C3 through D1, R4; Make the anodal maintenance of C3 certain voltage, relay R elay 1 adhesive; If both are inconsistent, then indicate identification is illegal, and the 4th pin of U2 keeps low level; Relay R elay 1 breaks off; The GSM unit sends alarming short message through servicing center to the user, in alarming short message, carries the vehicle current position information of obtaining from the GPS unit;
The D.GSM unit is used to handle the GSM signal, and the GSM unit is connected with the 5th pin of control unit U2, adopts the serial communication mode to carry out data exchange between GSM unit and the U2; The user sends startup for the GSM unit with way of short messages through servicing center or removes the anti-theft state instruction; After the GSM unit receives information; Information is transferred to U2 through the serial communication mode, and U2 resolves the instruction that receives, if start the anti-theft state instruction; Then the 6th pin of U2 keeps low level, and relay R elay 2 breaks off; If remove the anti-theft state instruction, the 6th pin output high level of U2 charges to C4 through D2, R5, makes the anodal maintenance of C4 certain voltage, relay R elay 2 adhesives;
The E.GPS unit is used for the gps signal that receives is handled, and the signal after will handling is transferred to control unit U2 with the mode of serial communication; The user sends for the GSM unit with way of short messages through servicing center extent directive is set; After the GSM unit receives information, information is transferred to U2 through the serial communication mode, U2 resolves the instruction that receives; If extent directive is set; Then preserve the distance range in the extent directive is set, obtain automobile current position information and preservation from the GPS unit, start timer simultaneously; Periodically read the automobile current position information, and carry out distance relatively with the location information of preserving from the GPS unit; When distance differs distance range preset before surpassing; Control unit U2 the 4th pin keeps low level, and relay R elay 1 breaks off, and GSM passes through servicing center in the unit; Send alarming short message to the user, in alarming short message, carry the vehicle current position information of obtaining from the GPS unit;
F. voice alarm circuit is connected with control unit U2, and the user is provided with instruction for GSM unit transmission speed with way of short messages through servicing center, after the GSM unit receives information; Information is transferred to U2 through the serial communication mode; U2 resolves the instruction that receives, if maximum travelling speed is provided with instruction, the maximum travelling speed value that then maximum travelling speed is provided with in the instruction is preserved; Start timer simultaneously; The periodic current velocity amplitude of vehicle that reads No. a time from the unit that tests the speed, when car speed continued to surpass the maximum travelling speed value of setting in 16 seconds, control unit U2 control voice alarm circuit reminded the chaufeur overspeed of vehicle to go;
G. automobile circuit is connected with Relay 1, Relay 2, and only at two relays all during adhesive, automobile could normally start.
Wherein said relay comprises: relay main body and insurance parts, and the relay main body comprises weak electricity system, strong power system, pedestal and case, weak electricity system comprises iron core, coil, yoke, armature and armature stage clip; It is characterized in that: these insurance parts have comprised 2 fuse receptacles and have been inserted in two wire fuses between safety socket, and a fuse receptacle top is connector, and the bottom is a connecting element; Connecting element is fixed on the yoke; Another fuse receptacle top is connector, and an insulating spacer is set between this connector and yoke, said another fuse receptacle bottom band one power pin and fixing feet; Its power pin passes pedestal and is spacing on pedestal; Fixing feet is inserted on the pedestal, and case top and two fuse receptacle corresponding positions are provided with the wire fuse patchhole, and the insertion wire fuse inserts in the hole.
After having adopted such scheme; The signal of RF tag RFID module is sent in the data processing unit after receiving through antenna; Become digital signal to be sent in the control unit by this cell translation, handle drawing identity data through control unit, again with control unit in advance the identity data of storage compare; If meet setting then be expressed as legal identity; After anti-theft state was removed in the GSM unit, control unit sent first, second relay power and the closure that signal makes off-state simultaneously, and automobile can normally start.When predefined identity data was not inconsistent in identity data that receives and the unit sheet, circuit, oil circuit in the automobile can be locked and reported to the police immediately, thereby had guaranteed to like the safety of car.
Description of drawings
Fig. 1 is a kind of system architecture diagram that is used for the device of auto alarm of the present invention.
Fig. 2 is the block diagram of the relay that uses among the present invention.
Fig. 3 is the STRUCTURE DECOMPOSITION scheme drawing of the relay that uses among the present invention.
The specific embodiment
For making the object of the invention, technical scheme and advantage clearer, the present invention is made further detailed description below in conjunction with accompanying drawing.
Referring to Fig. 1; The present invention is a kind of device that is used for auto alarm; Comprise: radio frequency antenna (JP1), RF tag RFID module, GSM unit, GPS unit, data processing unit (U1), control unit (U2), tachometer circuit, voice alarm circuit and automobile circuit is characterized in that:
A.RF antenna JP1 provides energy to the RFID module with wireless mode, receives the analog signal that the RFID module is sent simultaneously, and with sending into data processing unit U1 after the dividing potential drop of the analog signal that receives through first resistance R 1, first capacitor C 1, second capacitor C 2;
B. data processing unit U1 is programmable logic device (CPLD) or on-site programmable gate array FPGA, can select for use the MAX7000 family chip of MAXIM company to realize; U1 is connected with the 1st pin of control unit U2 through resistance R 2, is used to control the state of U1, and when the 1st pin of control unit U2 was exported high level, U1 enabled, otherwise, during output low level, the U1 dormancy; After U1 receives the analog signal by the JP1 input, pass through Filtering Processing, and become digital serial signal to be sent to the 2nd pin of control unit U2 through resistance R 3 analog signal conversion through the comparator in the chip; Simultaneously, U1 output synchronizing clock signals is to the 3rd pin of U2, to make things convenient for accurately demodulation numeral serial signal of U2;
C. control unit U2 is the MSC-51 micro controller system, can select for use 8051 family chips commonly used to realize; Select for use between P1 mouth and U1 and be connected; The 4th pin (P1.4) of U2 is connected with relay R elay 1 through the circuit of being made up of diode IN4148D1, resistance R 4 and capacitor C 3, and the 6th pin (P1.6) of U2 is connected with relay R elay 2 through the circuit of being made up of diode IN4148D2, resistance R 5 and capacitor C 4; After U2 received the digital serial signal that data processing unit U1 sends, decoding processing drew identity information, again with U2 in the identity information preserved in advance compare; If both are consistent; Then indicate identification is legal, and the 4th pin output high level of U2 charges to C3 through D1, R4; Make the anodal maintenance of C3 certain voltage, relay R elay 1 adhesive; If both are inconsistent, then indicate identification is illegal, and the 4th pin of U2 keeps low level; Relay R elay 1 breaks off; The GSM unit sends alarming short message through servicing center to the user, in alarming short message, carries the vehicle current position information of obtaining from the GPS unit;
The D.GSM unit is used to handle the GSM signal, and the GSM unit is connected with the 5th pin (P1.5) of control unit U2, adopts the serial communication mode to carry out data exchange between GSM unit and the U2; The user sends startup for the GSM unit with way of short messages through servicing center or removes the anti-theft state instruction; After the GSM unit receives information; Information is transferred to U2 through the serial communication mode, and U2 resolves the instruction that receives, if start the anti-theft state instruction; Then the 6th pin of U2 keeps low level, and relay R elay 2 breaks off; If remove the anti-theft state instruction, the 6th pin output high level of U2 charges to C4 through D2, R5, makes the anodal maintenance of C4 certain voltage, relay R elay 2 adhesives;
Relay R elay 1 and Relay 2 are the open type relay; All be serially connected among the power supply of automobile oil circuit or engine circuit; After state was set up defences in entering, the P1.4 of U2 and P1.6 kept low level output, made relay keep off-state; Oil circuit or circuit supply on the automobile all is in open-circuit condition at this moment, guaranteed that vehicle can not catch fire and go.Owing to be the open type relay, even be de-energized or dismantle, vehicle still is under the anti-theft state, has increased safety;
Car is in cruising in addition; Promptly removing under the anti-theft state, the P1.4 of control unit U2 and P1.6 change state, the output high level; Give C1, C4 charging through D1, R1 and D2, R5; Make C1, the anodal certain voltage that keeps of C4, the relay adhesive, oil circuit or circuit supply on the automobile revert to on-state.When driving, even received disturbing of short duration mistake is arranged, control unit U2 has seen low level signal off; Because the voltage of electric capacity can not change at once, connection that still can guard relay, but let the automobile cruising; The minibreak phenomenon can not occur, increase reliability yet;
The E.GPS unit is used for the gps signal that receives is handled, and the signal after will handling is transferred to control unit U2 with the mode of serial communication; The user sends for the GSM unit with way of short messages through servicing center extent directive is set; After the GSM unit receives information, information is transferred to U2 through the serial communication mode, U2 resolves the instruction that receives; If extent directive is set; Then preserve the distance range in the extent directive is set, obtain automobile current position information and preservation from the GPS unit, start timer simultaneously; Periodically read the automobile current position information, and carry out distance relatively with the location information of preserving from the GPS unit; When distance differs distance range preset before surpassing; Control unit U2 the 4th pin keeps low level, and relay R elay 1 breaks off, and GSM passes through servicing center in the unit; Send alarming short message to the user, in alarming short message, carry the vehicle current position information of obtaining from the GPS unit;
F. voice alarm circuit is connected with control unit U2, and the user is provided with instruction for GSM unit transmission speed with way of short messages through servicing center, after the GSM unit receives information; Information is transferred to U2 through the serial communication mode; U2 resolves the instruction that receives, if maximum travelling speed is provided with instruction, the maximum travelling speed value that then maximum travelling speed is provided with in the instruction is preserved; Start timer simultaneously; The periodic current velocity amplitude of vehicle that reads No. a time from the unit that tests the speed, when car speed continued to surpass the maximum travelling speed value of setting in 16 seconds, control unit U2 control voice alarm circuit reminded the chaufeur overspeed of vehicle to go;
G. automobile circuit is connected with Relay 1, Relay 2, and only at two relays all during adhesive, automobile could normally start.
Referring to Fig. 2,3, that the relay that uses in the fender guard adopts is a kind of AUTOMOTIVE RELAY with safety device (CN200810164226.X), comprises relay main body 10, case 8, fuse receptacle 4 and protective tube 7.
The main body 10 of relay is the same with existing relay; Comprise yoke, coil pack, armature and contact system; Iron core passes circular hole and yoke bottom circular aperture riveted in the middle of the bobbin frame, is fixed on the pedestal in its dedicated slot of the pin insertion of yoke through its bottom.
Above-mentioned case 8 tops and fuse receptacle 4, fuse receptacle 5 corresponding positions are provided with wire fuse patchhole 81, insert wire fuse 7 in the patchhole 81, and wire fuse 7 is inserted in the standard socket 43,44, forms whole relay.
Adopt the advantage of this relay to be;
1, the general character is strong, can in existing relay product, directly add safety device, and the standard connector has all been adopted on the top of two fuse receptacles, has kept specious, has improved the qualification rate of product, has also improved the standardization level of product.Production efficiency is high, provides cost savings.
2, wire fuse is inserted in the case top, and is both easy to install and replace, kept the appearance looks elegant of original AUTOMOTIVE RELAY again, and institute takes up space little.
Obviously; The function that it is apparent to those skilled in the art that above-mentioned control unit and data processing unit can concentrate on the single device, perhaps is distributed in the system that multiple arrangement forms; Alternatively; They can realize with calculating executable program code, thereby, can they be stored in the memory storage and carry out by computer device; Perhaps they are made into each integrated circuit modules respectively, perhaps become the single integrated circuit module to realize a plurality of module makings in them.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. device that is used for auto alarm, include: radio frequency antenna JP1, RF tag RFID module, GSM unit, GPS unit, data processing unit U1, control unit U2, the unit that tests the speed, voice alarm circuit and automobile circuit is characterized in that:
A.RF antenna JP1 provides energy to the RFID module with wireless mode, receives the analog signal that the RFID module is sent simultaneously, and with sending into data processing unit U1 after the dividing potential drop of the analog signal that receives through first resistance R 1, first capacitor C 1, second capacitor C 2;
B. data processing unit U1 is programmable logic device (CPLD) or on-site programmable gate array FPGA, and U1 is connected with the 1st pin of control unit U2 through resistance R 2, is used to control the state of U1; After U1 receives the analog signal by the JP1 input, pass through Filtering Processing, and become digital serial signal to be sent to the 2nd pin of control unit U2 through resistance R 3 analog signal conversion through the comparator in the chip; Simultaneously, U1 output synchronizing clock signals is to the 3rd pin of U2, to make things convenient for accurately demodulation numeral serial signal of U2;
C. control unit U2 is the MSC-51 micro controller system; The 4th pin of U2 is connected with relay R elay 1 through the circuit of being made up of diode D1, resistance R 4 and capacitor C 3, and the 6th pin of U2 is connected with relay R elay 2 through the circuit of being made up of diode D2, resistance R 5 and capacitor C 4; After U2 received the digital serial signal that data processing unit U1 sends, decoding processing drew identity information, again with U2 in the identity information preserved in advance compare; If both are consistent; Then indicate identification is legal, and the 4th pin output high level of U2 charges to C3 through D1, R4; Make the anodal maintenance of C3 certain voltage, relay R elay 1 adhesive; If both are inconsistent, then indicate identification is illegal, and the 4th pin of U2 keeps low level; Relay R elay 1 breaks off; The GSM unit sends alarming short message through servicing center to the user, in alarming short message, carries the vehicle current position information of obtaining from the GPS unit;
The D.GSM unit is used to handle the GSM signal, and the GSM unit is connected with the 5th pin of control unit U2, adopts the serial communication mode to carry out data exchange between GSM unit and the U2; The user sends startup for the GSM unit with way of short messages through servicing center or removes the anti-theft state instruction; After the GSM unit receives information; Information is transferred to U2 through the serial communication mode, and U2 resolves the instruction that receives, if start the anti-theft state instruction; Then the 6th pin of U2 keeps low level, and relay R elay 2 breaks off; If remove the anti-theft state instruction, the 6th pin output high level of U2 charges to C4 through D2, R5, makes the anodal maintenance of C4 certain voltage, relay R elay 2 adhesives;
The E.GPS unit is used for the gps signal that receives is handled, and the signal after will handling is transferred to control unit U2 with the mode of serial communication; The user sends for the GSM unit with way of short messages through servicing center extent directive is set; After the GSM unit receives information, information is transferred to U2 through the serial communication mode, U2 resolves the instruction that receives; If extent directive is set; Then preserve the distance range in the extent directive is set, obtain automobile current position information and preservation from the GPS unit, start timer simultaneously; Periodically read the automobile current position information, and carry out distance relatively with the location information of preserving from the GPS unit; When distance differs distance range preset before surpassing; Control unit U2 the 4th pin keeps low level, and relay R elay 1 breaks off, and GSM passes through servicing center in the unit; Send alarming short message to the user, in alarming short message, carry the vehicle current position information of obtaining from the GPS unit;
F. voice alarm circuit is connected with control unit U2, and the user is provided with instruction for GSM unit transmission speed with way of short messages through servicing center, after the GSM unit receives information; Information is transferred to U2 through the serial communication mode; U2 resolves the instruction that receives, if maximum travelling speed is provided with instruction, the maximum travelling speed value that then maximum travelling speed is provided with in the instruction is preserved; Start timer simultaneously; The periodic current velocity amplitude of vehicle that reads No. a time from the unit that tests the speed, when car speed continued to surpass the maximum travelling speed value of setting in 16 seconds, control unit U2 control voice alarm circuit reminded the chaufeur overspeed of vehicle to go;
G. automobile circuit is connected with Relay 1, Relay 2, and only at two relays all during adhesive, automobile could normally start.
2. according to the device that is used for auto alarm described in the claim 1, wherein said relay comprises: relay main body and insurance parts, and the relay main body comprises weak electricity system, strong power system, pedestal and case; Weak electricity system comprises iron core, coil, yoke, armature and armature stage clip; It is characterized in that: these insurance parts have comprised 2 fuse receptacles and have been inserted in two wire fuses between fuse receptacle, and a fuse receptacle top is connector, and the bottom is a connecting element; Connecting element is fixed on the yoke; Another fuse receptacle top is connector, and an insulating spacer is set between this connector and yoke, bottom band one power pin and the fixing feet of said another fuse receptacle; Its power pin passes pedestal and is spacing on pedestal; Fixing feet is inserted on the pedestal, and case top and two fuse receptacle corresponding positions are provided with the wire fuse patchhole, and the insertion wire fuse inserts in the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110155089A CN102285354B (en) | 2011-06-09 | 2011-06-09 | Alarm device for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110155089A CN102285354B (en) | 2011-06-09 | 2011-06-09 | Alarm device for car |
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| Publication Number | Publication Date |
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| CN102285354A CN102285354A (en) | 2011-12-21 |
| CN102285354B true CN102285354B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110155089A Expired - Fee Related CN102285354B (en) | 2011-06-09 | 2011-06-09 | Alarm device for car |
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Families Citing this family (1)
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| DE102016222696B4 (en) * | 2016-11-17 | 2023-02-02 | Audi Ag | Method for electrically charging an energy store of a motor vehicle, mobile control unit and energy supply device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158825Y (en) * | 1992-09-30 | 1994-03-16 | 赵志容 | Telecontrolled anti-theft device for automobile and motor cycle |
| CN1150098A (en) * | 1995-11-16 | 1997-05-21 | 上海市旺豪科工贸开发部 | Digital radio transmitting safety protector for preventing vehicle from being stolen and hijacked |
| CN1287070A (en) * | 1999-09-03 | 2001-03-14 | 森山工业株式会社 | Method for preventing theft of vehicle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7068151B2 (en) * | 2003-05-14 | 2006-06-27 | Giles Samuel K | Vehicle security system |
| TWI254001B (en) * | 2005-07-25 | 2006-05-01 | Sin Etke Technology Co Ltd | Anti-theft system of vehicle |
| JP2008115653A (en) * | 2006-11-07 | 2008-05-22 | Mazda Motor Corp | Locking device for vehicular door |
-
2011
- 2011-06-09 CN CN201110155089A patent/CN102285354B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158825Y (en) * | 1992-09-30 | 1994-03-16 | 赵志容 | Telecontrolled anti-theft device for automobile and motor cycle |
| CN1150098A (en) * | 1995-11-16 | 1997-05-21 | 上海市旺豪科工贸开发部 | Digital radio transmitting safety protector for preventing vehicle from being stolen and hijacked |
| CN1287070A (en) * | 1999-09-03 | 2001-03-14 | 森山工业株式会社 | Method for preventing theft of vehicle |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2008-115653A 2008.05.22 |
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Granted publication date: 20120926 |