CN102736389A - Device and method for preventing film from being secretly filmed - Google Patents

Device and method for preventing film from being secretly filmed Download PDF

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Publication number
CN102736389A
CN102736389A CN2011100956295A CN201110095629A CN102736389A CN 102736389 A CN102736389 A CN 102736389A CN 2011100956295 A CN2011100956295 A CN 2011100956295A CN 201110095629 A CN201110095629 A CN 201110095629A CN 102736389 A CN102736389 A CN 102736389A
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China
Prior art keywords
infrared laser
infrared
electric actuation
actuation spare
shoot device
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CN2011100956295A
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CN102736389B (en
Inventor
李宝河
陈未杰
马廷钧
张勇
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Beijing Technology and Business University
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Beijing Technology and Business University
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Abstract

The invention discloses a device for preventing a film from being secretly filmed, the device comprising an infrared laser (2), an electric actuated piece (3). The infrared laser (2) fixed on the electric actuated piece (3) is used for emitting infrared lights to a screen (4). The electric actuated piece (3) is used for making the infrared lights emitted by the infrared laser (2) fixed on the electric actuated piece (3) generate deviation according to a received drive signal action. The method for preventing film from being secretly filmed comprises the following steps: a) using the infrared laser (2) to emit the infrared lights to the screen (4), the infrared laser (2) being fixed on the electric actuated piece (3); and b) driving the electric actuated piece (3) to operate, so as to make the infrared lights emitted by the infrared laser (2) fixed on the electric actuated piece (3) generate deviation. With the device and the method for preventing the film from being secretly filmed, piracy and secrete filming can be effectively prevented with high security and low cost.

Description

The anti-pirates shoot device of a kind of film and a kind of film antitheft shooting method
Technical field
The present invention relates to the application of electronic technology field, particularly, relate to the anti-pirates shoot device of a kind of film and a kind of film antitheft shooting method.
Background technology
Because the continuous development of camcorder technology; High-resolution, the microcam that volume is little are more and more universal; Movie piracy manufacturer carries microcam and gets into and to carry out piracy in the cinema and take on the sly very easy; Make that the movie piracy phenomenon of taking on the sly is serious day by day, caused enormous economic loss for relevant industry.Only depend on artificial monitoring to prevent that the obvious dynamics of film pirates shoot is not enough at present.Therefore,, combat copyright piracy, need the anti-pirates shoot device of a kind of film and a kind of film antitheft shooting method urgently in order to destroy the bootlegging of movie piracy manufacturer.
Summary of the invention
The objective of the invention is to the present cinema piracy serious problem of phenomenon of taking on the sly the anti-pirates shoot device of film that a kind of bootlegging that can destroy movie piracy manufacturer is provided and the film shooting method of guarding against theft.
To achieve these goals; The invention provides the anti-pirates shoot device of a kind of film; Should comprise infrared laser and electric actuation spare by anti-pirates shoot device, said infrared laser is installed on the said electric actuation spare, and said infrared laser is used for to shadow curtain emission infrared light; Said electric actuation spare is used for according to the drive signal action that receives, and makes the infrared light that is installed in the infrared laser emission on the said electric actuation spare produce skew.
The present invention also provides a kind of film antitheft shooting method, and this antitheft shooting method may further comprise the steps: use infrared laser to shadow curtain emission infrared light, said infrared laser is installed on the electric actuation spare; Drive said electric actuation spare action, make the infrared light that is installed in the infrared laser emission on the said electric actuation spare produce skew.
According to technical scheme provided by the invention, can the anti-pirates shoot device of said film be installed near the appropriate location the shadow curtain, as long as make the emergent ray of infrared laser can be transmitted on the shadow curtain.During movie; Can be through infrared laser to shadow curtain emission infrared light; Because infrared light wavelength has exceeded (visible light) scope that human eye can be discerned, and makes spectators to discern, therefore can not exert an influence to the audience ornamental film; But the CCD light sensation device in video camera and the camera can be taken infrared light get off, and is visible during broadcast.Therefore, get into movie theatre, can produce the interference noise that infrared ray forms in the captured movie pictures, influence shooting effect if there is the people to carry apparatus for making a video recording.And; Through driving the electric actuation spare action of installing with said infrared laser; Can be so that the infrared light of infrared laser emission produce skew, make the interference noise generation dynamic deflection that infrared light produces thus in movie pictures, like this; The film viewing effect that obtains of taking on the sly is poorer, can't process pirated film and sell.
Adopt anti-pirates shoot device of film provided by the invention and the film shooting method of guarding against theft, can destroy the bootlegging of movie piracy manufacturer, prevent that effectively piracy from taking on the sly, safe and with low cost.Other features and advantages of the present invention will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of instructions, is used to explain the present invention with following embodiment, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the anti-pirates shoot device of film provided by the invention.
Description of reference numerals
1 controller, 2 infrared lasers
3 electric actuation spares, 4 shadow curtains
5 light beam splitting arrangements
Embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention.Should be understood that embodiment described herein only is used for explanation and explains the present invention, is not limited to the present invention.
Fig. 1 is the structural representation of the anti-pirates shoot device of film provided by the invention.As shown in Figure 1; Anti-pirates shoot device provided by the invention comprises infrared laser 2 and electric actuation spare 3; Said infrared laser 2 is installed on the said electric actuation spare 3; Said infrared laser 2 is used for to shadow curtain 4 emission infrared lights, and said electric actuation spare 3 is used for according to the drive signal action that receives, and makes the infrared light that is installed in infrared laser 2 emissions on the said electric actuation spare 3 produce skew.
Human eye wavelength of visible light scope is between 0.77-0.39 μ m (micron), and infrared ray has the wavelength coverage of 0.75-1000 μ m, is a kind of in the invisible light.CCD light sensation device in this light although be invisible to the naked eye, video camera and camera can be taken infrared light get off, and is visible during broadcast.The present invention has utilized invisible and the characteristics that apparatus for making a video recording is visible of infrared ray naked eyes just; Launch infrared lights through infrared laser 2 to shadow curtain 4; Can not have influence on spectators' viewing process fully, if but have the people to carry apparatus for making a video recording entering movie theatre, noise spot (the variegated spot that infrared ray forms can be produced in the captured movie pictures; Below be referred to as noise), will have a strong impact on shooting effect.And, also comprising electric actuation spare 3 in the anti-pirates shoot device of film provided by the invention, this electric actuation spare 3 is used for according to the drive signal action that receives; Make the infrared light that is installed in infrared laser 2 emissions on this electric actuation spare 3 produce skew; Thus, the skew activity of the infrared light that passes through to be launched (under continuous drive, infrared light produces the continuous dynamic skew); Dynamic deflection also can take place in the noise in the movie pictures thereupon; The film viewing effect that making takes on the sly obtains is poorer, can't process pirated film and sell, and can prevent effectively that piracy from taking on the sly.
Said infrared laser 2 be arbitrarily can output wavelength at the light wave emitter of the light wave of infrared band, said infrared laser 2 comprises infrared laser pipe (not shown), through this infrared laser Guan Laixiang shadow curtain 4 emission infrared lights.In order to be suitable in movie theatre using and the movie pictures on the shadow curtain 4 is produced interference effect, the infrared light wavelength of said infrared laser 2 outputs can be among the 700-900 μ m any one.According to one embodiment of the present invention, adopting model is the infrared laser 2 of RFLD-808-2, and the infrared laser 2 of this model has following technical parameter: effective illumination range: 50m (rice); Centre wavelength: 808 μ m; Wavelength coverage: 803-813 μ m; Power: 2W (can basis and the distance of shadow curtain 4 and required interference effect adjustment corresponding power) uses in movie theatre, can produce stronger interference effect to movie pictures.
Said electric actuation spare 3 is installed with destination apparatus, is moved, drives thus the actuating device that destination apparatus moves through driven by power for being used for arbitrarily, and under the preferable case, said electric actuation spare 3 can be slide rail type, oscillatory type or rotary.According to one embodiment of the present invention; Said electric actuation spare 3 is the slide rail type actuating device; Comprise slide rail and on slide rail reciprocating slide block, infrared laser 2 can be fixedly mounted on the slide block, through the to-and-fro movement of driven by power slide block; Can make infrared laser 2 same to-and-fro movements, dynamic deflection takes place in the noise that the infrared light of being launched thus produces on shadow curtain 4 thereupon.
According to another embodiment of the invention; Said electric actuation spare 3 is the oscillatory type actuating device; Infrared laser 2 can fixedly mount with electric actuation spare 3; Through 3 vibrations of this electric actuation spare of driven by power, infrared laser 2 is vibrated equally, the noise generation dynamic deflection that the infrared light of being launched thus produces on shadow curtain 4.
According to another embodiment of the present invention; Said electric actuation spare 3 is a rotary brake rigging; Comprise pedestal and the rotary part of installing with the pedestal activity, infrared laser 2 can fixedly mount with rotary part, through the spinning movement in pedestal of driven by power rotary part; Can make infrared laser 2 same spinning movements, dynamic deflection takes place in the noise that the infrared light of being launched thus produces on shadow curtain 4 thereupon.
Said electric actuation spare 3 can have multiple implementation, no longer gives unnecessary details at this, it will be appreciated by those skilled in the art that in technical conceive scope of the present invention, said electric actuation spare 3 is not limited to above-mentioned embodiment.And, according to the needs of practical operation, can regulate the degrees of actuation and the speed of electric actuation spare 3, the present invention does not specifically limit it.
Under the preferable case, as shown in Figure 1, anti-pirates shoot device provided by the invention also comprises controller 1, and this controller 1 is electrically connected with said electric actuation spare 3 with said infrared laser 2 respectively, is used for controlling respectively said infrared laser 2 and said electric actuation spare 3 work.
Said controller 1 can be PLC (Programmable Logic Controller, a programmable logic controller (PLC)), and the PLC storage inside has the instruction of carrying out various operations, can control various types of execution unit work through the output function instruction.According to technical scheme of the present invention; Said controller 1 can be handled the control signal of operating personnel's input; The operational order that its execution unit that becomes the anti-pirates shoot device of film provided by the invention can be discerned; And said operational order outputed to said execution unit, to realize control to said execution unit.PLC is a controller commonly used in the automation field, and its concrete structure and principle of work are conventionally known to one of skill in the art.
Can the internal processes of controller 1 be provided with; So that it is when the enabling signal of the infrared laser 2 that receives operating personnel's input; 2 work of control infrared laser, and when the drive signal of the electric actuation spare 3 that receives operating personnel's input, 3 work of control electric actuation spare.Said controller 1 can be connected with said electric actuation spare 3 with said infrared laser 2 through wired or wireless mode.Control for ease; Under the preferable case; Said controller 1 and said infrared laser 2 and said electric actuation spare 3 wireless connections; Controller 1 is worked with electric actuation spare 3 through output wireless signal control infrared laser 2, through the mode of remote control, and can be so that the anywhere of operating personnel in the wireless signal coverage carries out Long-distance Control to infrared laser 2 and electric actuation spare 3.
For the movie pictures of taking on the sly is formed stronger interference, under the preferable case, said infrared laser 2 is used for by time interval emission infrared light.Can manually control infrared laser 2 by time interval emission infrared light through operating personnel; Also can the internal processes of controller 1 be provided with, make controller 1 to launch infrared light by the time interval according to operating personnel's instruction control infrared laser 2.By time interval emission infrared light, the noise that infrared ray forms on the picture of taking on the sly can be flashed with the said time interval through control infrared laser 2, adopted this strobe mode emission infrared light, can strengthen the interference effect of noise on the shadow curtain 4.
Under the preferable case, the said time interval can be 1-5 any one in second.Under the situation about being more preferably, the said time interval is 1 second, and it is more frequent to make noise flash, and interference effect is stronger.Can also through control infrared laser 2 in the same time interval or different time launch infrared light at interval, make the noise take on the sly on the picture flash regularly or flash erratically.
For the movie pictures of taking on the sly is formed stronger interference; Under the preferable case; Should also comprise light beam splitting arrangement 5 by anti-pirates shoot device; This light beam splitting arrangement 5 is installed in the front end of said infrared laser 2, and the infrared light of said infrared laser 2 emissions sees through this light beam splitting arrangement 5 to 4 emissions of shadow curtain.Said light beam splitting arrangement 5 is dispersed light is divided into the device of multi beam light for being used for; Said light beam splitting arrangement 5 for example can be grating or prism; Thus; Adopt light beam splitting arrangement 5 can the infrared light spot of infrared laser 2 emissions be decomposed into a plurality of hot spots, can form stronger interference the movie pictures on the shadow curtain 4 on shadow curtain 4, to form spot array.
According to technical scheme of the present invention, said anti-pirates shoot device also comprises the infrared laser power supply that is connected with said infrared laser 2.This infrared laser power supply is used to infrared laser 2 power supplies.This infrared laser power supply can be installed on the said electric actuation spare 3 with infrared laser 2, also can separate installation with said electric actuation spare 3.Under the preferable case; This infrared laser power supply separates installation with said electric actuation spare 3, and thus, electric actuation spare 3 only drives infrared laser 2 makes the infrared light of infrared laser 2 emissions produce dynamic deflection; And kept the stable of said infrared laser power supply, reduced the power consumption of electric actuation spare 3.
In order to strengthen the noise interference effect, under the preferable case, according to one embodiment of the present invention, said infrared laser 2 has a plurality of, and a plurality of said infrared lasers 2 are installed on the said electric actuation spare 3.Thus, the infrared light of a plurality of infrared laser 2 emissions can form on shadow curtain 4 and disturb the noise array, and because the effect of electric actuation spare 3, dynamic deflection takes place in a plurality of noises jointly, and interference effect is stronger.According to technical scheme of the present invention, can control section or all infrared laser 2 unlatchings.
According to another embodiment of the invention, said infrared laser 2 and said electric actuation spare 3 all have a plurality of, a plurality of said infrared lasers 2 and the corresponding one by one installation of a plurality of said electric actuation spares 3.Owing to disposed and each infrared laser 2 electric actuation spare 3 one to one; Can be through the displacement parameter of adjustment each electric actuation spare 3; Realize the action of the varying strength and the different directions of each infrared laser 2; And then making a plurality of noise degrees of offset and direction on the shadow curtain 4 have nothing in common with each other, interference effect is stronger.
According to another embodiment of the present invention; Can the arrangement position of infrared laser 2 and corresponding electric actuation spare 3 thereof be provided with; Make that the position of a plurality of noises of formation demonstrates the pattern that needs on shadow curtain 4; For example be provided with through the arrangement to infrared laser 2 and corresponding electric actuation spare 3 thereof, make a plurality of noises on shadow curtain 4, demonstrate the printed words of " piracy " or " combating copyright piracy ", the film that makes movie piracy manufacturer take on the sly is difficult to sell.The present invention does not carry out any qualification to the array mode and the arrangement position of infrared laser 2 and electric actuation spare 3.
According to technical scheme of the present invention, can the anti-pirates shoot device of said film be installed in shadow curtain 4 diverse location on every side, as long as make the emergent ray of infrared laser 2 can be transmitted on the shadow curtain 4.Under the preferable case, can the anti-pirates shoot device of said film be installed in the rear side of shadow curtain 4, the emergent ray of infrared laser 2 can either be transmitted on the shadow curtain 4, again can be to not watching the spectators of film to exert an influence in shadow curtain 4 front sides.Perhaps can the anti-pirates shoot device of said film be suspended on the front upper place of shadow curtain 4, both can solve, not influence film again and watch apart from the problem that causes light to weaken too far away.
The present invention also provides a kind of film antitheft shooting method, and this antitheft shooting method may further comprise the steps: a) use infrared laser 2 to shadow curtain 4 emission infrared lights, said infrared laser 2 is installed on the electric actuation spare 3; And b) drives said electric actuation spare 3 actions, make the infrared light that is installed in infrared laser 2 emissions on the said electric actuation spare 3 produce skew.
The present invention has utilized invisible and the characteristics that apparatus for making a video recording is visible of infrared ray naked eyes; Through using infrared laser 2 to shadow curtain 4 emission infrared lights; Can not have influence on spectators' viewing process fully; If get into movie theatre but there is the people to carry apparatus for making a video recording, can produce the noise that infrared ray forms in the captured movie pictures, will have a strong impact on shooting effect.And,, can produce dynamic deflection so that be installed in the infrared light of infrared laser 2 emissions on the electric actuation spare 3 through driving 3 actions of electric actuation spare; Thus; The skew activity of the infrared light that passes through to be launched, dynamic deflection also can take place in the noise in the movie pictures thereupon, and the film viewing effect that making takes on the sly obtains is poorer; Can't process pirated film and sell, can prevent effectively that piracy from taking on the sly.
For the movie pictures of taking on the sly is formed stronger interference; Under the preferable case, in the film antitheft shooting method provided by the invention, step a) also comprises uses infrared laser 2 to launch infrared lights by the time interval to shadow curtain 4; Thus; The noise that infrared ray forms on the picture of taking on the sly can be flashed with the said time interval, adopted this strobe mode emission infrared light, can strengthen the interference effect of noise on the shadow curtain 4.
Under the preferable case, the said time interval can be 1-5 any one in second.More preferably under the situation, the said time interval is 1 second, and it is more frequent to make noise flash, and interference effect is stronger.Can also use infrared laser 2 in the same time interval or different time launch infrared light at interval, make the noise take on the sly on the picture flash regularly or flash erratically.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned embodiment; In technical conceive scope of the present invention, can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove in addition; Each concrete technical characterictic described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.

Claims (10)

1. a film is prevented the pirates shoot device; Wherein, Should comprise infrared laser (2) and electric actuation spare (3) by anti-pirates shoot device, said infrared laser (2) is installed on the said electric actuation spare (3), and said infrared laser (2) is used for to shadow curtain (4) emission infrared light; Said electric actuation spare (3) is used for according to the drive signal action that receives, and makes the infrared light that is installed in infrared laser (2) emission on the said electric actuation spare (3) produce skew.
2. anti-pirates shoot device according to claim 1, wherein, said infrared laser (2) is used for by time interval emission infrared light.
3. anti-pirates shoot device according to claim 1, wherein, said electric actuation spare (3) is slide rail type, oscillatory type or rotary.
4. anti-pirates shoot device according to claim 1; Wherein, Should also comprise light beam splitting arrangement (5) by anti-pirates shoot device; This light beam splitting arrangement (5) is installed in the front end of said infrared laser (2), and the infrared light of said infrared laser (2) emission sees through this light beam splitting arrangement (5) and launches to shadow curtain (4).
5. anti-pirates shoot device according to claim 4, wherein, said light beam splitting arrangement (5) is grating or prism.
6. anti-pirates shoot device according to claim 1, wherein, this anti-pirates shoot device also comprises the infrared laser power supply that is connected with said infrared laser (2), this infrared laser power supply separates installation with said electric actuation spare (3).
7. according to the described anti-pirates shoot device of each claim among the claim 1-6, wherein, said infrared laser (2) has a plurality of, and a plurality of said infrared lasers (2) are installed on the said electric actuation spare (3).
8. according to the described anti-pirates shoot device of each claim among the claim 1-6, wherein, said infrared laser (2) and said electric actuation spare (3) all have a plurality of, a plurality of said infrared lasers (2) and the corresponding one by one installation of a plurality of said electric actuation spares (3).
9. film antitheft shooting method, wherein, this antitheft shooting method may further comprise the steps:
A) use infrared laser (2) to shadow curtain (4) emission infrared light, said infrared laser (2) is installed on the electric actuation spare (3); And
B) drive said electric actuation spare (3) action, make the infrared light that is installed in infrared laser (2) emission on the said electric actuation spare (3) produce skew.
10. antitheft shooting method according to claim 9, wherein, step a) also comprises uses infrared laser (2) to launch infrared light by the time interval to shadow curtain (4).
CN201110095629.5A 2011-04-15 2011-04-15 A kind of film sneak shot proof device and a kind of film sneak shot proof method Expired - Fee Related CN102736389B (en)

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN104869476A (en) * 2015-05-18 2015-08-26 上海交通大学 Video playing method for preventing candid shooting based on psychological vision modulation
CN105100662A (en) * 2015-09-01 2015-11-25 曾维 Intelligent projector anti-pirate system
CN106101622A (en) * 2016-06-27 2016-11-09 秦艳 A kind of big data-storage system
CN106199133A (en) * 2016-06-27 2016-12-07 张超超 Current sample processing platform
CN106210623A (en) * 2016-06-27 2016-12-07 石媛 High in the clouds histogram distribution detection platform
CN106203258A (en) * 2016-06-27 2016-12-07 秦霞 Laser pen Automated condtrol platform
CN106855752A (en) * 2016-06-27 2017-06-16 秦霞 Laser pen Automated condtrol platform
CN107390790A (en) * 2017-07-26 2017-11-24 珠海格力电器股份有限公司 Interaction display interface anti-device of taking on the sly, interaction display interface and exhibition product
CN110768964A (en) * 2019-09-30 2020-02-07 深圳市奥拓电子股份有限公司 Video image coding processing method, system and storage medium

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CN101604112A (en) * 2009-06-23 2009-12-16 肖真 Projection near infrared interfering picture prevents method and the projector thereof that object is taken
CN201521921U (en) * 2009-10-20 2010-07-07 南京工业职业技术学院 Device preventing pirating and secret shooting
CN202049327U (en) * 2011-04-15 2011-11-23 北京工商大学 Film sneak shot proof device

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US6559883B1 (en) * 2000-09-27 2003-05-06 David H. Sitrick Movie film security system utilizing infrared patterns
US20040252835A1 (en) * 2003-04-23 2004-12-16 Odgers Christopher R. Method for spoiling copies of a theatrical motion picture made using a video camera and recorder
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104869476A (en) * 2015-05-18 2015-08-26 上海交通大学 Video playing method for preventing candid shooting based on psychological vision modulation
CN105100662A (en) * 2015-09-01 2015-11-25 曾维 Intelligent projector anti-pirate system
CN106101622A (en) * 2016-06-27 2016-11-09 秦艳 A kind of big data-storage system
CN106199133A (en) * 2016-06-27 2016-12-07 张超超 Current sample processing platform
CN106210623A (en) * 2016-06-27 2016-12-07 石媛 High in the clouds histogram distribution detection platform
CN106203258A (en) * 2016-06-27 2016-12-07 秦霞 Laser pen Automated condtrol platform
CN106855752A (en) * 2016-06-27 2017-06-16 秦霞 Laser pen Automated condtrol platform
CN107390790A (en) * 2017-07-26 2017-11-24 珠海格力电器股份有限公司 Interaction display interface anti-device of taking on the sly, interaction display interface and exhibition product
CN110768964A (en) * 2019-09-30 2020-02-07 深圳市奥拓电子股份有限公司 Video image coding processing method, system and storage medium

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