WO2017002298A1 - スクリーン装置、及び、映像投写システム - Google Patents
スクリーン装置、及び、映像投写システム Download PDFInfo
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- WO2017002298A1 WO2017002298A1 PCT/JP2016/002429 JP2016002429W WO2017002298A1 WO 2017002298 A1 WO2017002298 A1 WO 2017002298A1 JP 2016002429 W JP2016002429 W JP 2016002429W WO 2017002298 A1 WO2017002298 A1 WO 2017002298A1
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- Prior art keywords
- photoelectric conversion
- evaluation
- screen
- conversion elements
- unit
- Prior art date
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 118
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical group C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000011156 evaluation Methods 0.000 claims description 136
- 238000004891 communication Methods 0.000 claims description 44
- 238000005259 measurement Methods 0.000 claims description 29
- 230000007423 decrease Effects 0.000 claims description 14
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- 238000010586 diagram Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- 238000010248 power generation Methods 0.000 description 5
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- 238000013459 approach Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
Images
Classifications
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- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
- B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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- G—PHYSICS
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- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
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- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
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- B64U2101/20—UAVs specially adapted for particular uses or applications for use as communications relays, e.g. high-altitude platforms
- B64U2101/24—UAVs specially adapted for particular uses or applications for use as communications relays, e.g. high-altitude platforms for use as flying displays, e.g. advertising or billboards
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- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
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- B64U50/19—Propulsion using electrically powered motors
Definitions
- the present disclosure relates to a screen device that supports a screen on which a flying object flying in the sky receives image light from the image projection device, and an image projection system.
- Conventional screen devices and image projection systems support a screen that receives image light from an image projection device on a flying object flying in the sky. And the flying body flew with the electric power supplied from the battery for flight drive (for example, refer patent document 1).
- the flying object was able to fly only for a short time (ten minutes or more).
- the present disclosure solves the conventional problems, and an object of the present disclosure is to provide a screen device and an image projection system that enable a flying object to fly for a longer time.
- a screen device and a video projection system of the present disclosure have a plurality of photoelectric conversion elements, and the screen that receives video light of the video projection device and the plurality of photoelectric conversion elements are images.
- a power supply unit that receives light and photoelectrically converts electric power, a flying object that supports the screen and flies by the electric power supplied from the power supply unit, and a flight control unit that controls the flight of the flying object are provided.
- the flying object can fly for a longer time.
- FIG. 1 is a schematic diagram of a video projection system in Embodiment 1.
- FIG. FIG. 3 is a schematic diagram of a screen in the first embodiment.
- 2 is a block diagram of a screen device according to Embodiment 1.
- FIG. 1 is a block diagram of a video projection device in Embodiment 1.
- FIG. 3 is a flowchart showing an operation of the video projection system in the first embodiment. It is a schematic diagram when the screen in Embodiment 1 has shifted
- FIG. 6 is a schematic diagram when the screen in the first embodiment is displaced in the ⁇ Z direction. It is a schematic diagram when the screen in Embodiment 1 rotates around the Y axis.
- FIG. 10 It is a schematic diagram when the screen in Embodiment 1 has shifted
- 10 is a flowchart showing the operation of the video projection system in the second embodiment.
- 10 is a flowchart showing the operation of the video projection system in the third embodiment.
- FIG. 1 is a schematic diagram of a video projection system 1 according to the first embodiment.
- the video projection system 1 of the present disclosure includes a screen device 2 in which a screen 10 is supported by a flying body 20 and a video projection device 30.
- the screen 10 is supported by the flying body 20 by the support member 13 and flies in the air in the horizontal direction (X direction), the vertical direction (Y direction), and the projection direction from the image projection device 30 to the screen 10 (Z direction). Can do.
- the screen 10 and the flying object 20 are electrically connected by a cable 14.
- the screen 10 receives the image light projected from the image projection device 30.
- the flying object 20 can receive power from the screen 10.
- the right direction of the screen 10 is defined as + X direction
- the upward direction of the screen 10 is defined as + Y direction
- the direction from the screen 10 to the image projection device 30 is defined as + Z direction.
- the rotation direction when viewed from the + direction of the axis, the clockwise direction is the + direction and the counterclockwise direction is the-direction.
- FIG. 2 is a schematic diagram of the screen 10 according to the first embodiment.
- the screen 10 has a scattering member disposed on the entire surface so that an image can be displayed by scattering light.
- the screen 10 has a plurality of photoelectric conversion elements 11 arranged in a matrix (280 pieces: 20 columns ⁇ 14 rows) on the surface.
- the photoelectric conversion element 11 generates electric power by the image light projected on the screen and supplies power to the flying object 20.
- the photoelectric conversion elements 11 arranged in the outermost X direction and the Y direction including the four corner portions in the photoelectric conversion elements 11 are particularly photoelectric conversion elements 12 for evaluation.
- the plurality of photoelectric conversion elements for evaluation 12 are connected to the flying body 20 so as to be able to individually measure the generated electric power and supply electric power. By measuring the individual power generation amount of the evaluation photoelectric conversion element 12, it is possible to determine whether the image light from the image projection device 30 is correctly projected onto the screen.
- all the photoelectric conversion elements 11 arranged on the outermost periphery are evaluation photoelectric conversion elements 12. However, one or several evaluation photoelectric conversion elements 12 may be arranged apart from each other.
- FIG. 3 is a block diagram of the screen device 2 in the first embodiment.
- the screen device includes a screen 10 and a flying body 20 to which power generated by the screen 10 is supplied.
- the flying body 20 includes a power feeding unit 21, a measurement unit 22, a power storage unit 23, a flight driving unit 24, a flight control unit 25, and a flight communication unit 26.
- the power feeding unit 21 collects power generated from the plurality of photoelectric conversion elements 11 of the screen 10 and boosts the voltage to a reference voltage. Moreover, while collecting the electric power from the photoelectric conversion element 11, the electric power from each photoelectric conversion element 12 for evaluation is collected individually.
- the measurement unit 22 measures the total power value that is the total power generation amount of all the photoelectric conversion elements 11 in the power fed by the power supply unit 21 and the evaluation power that is the power generation amount of each evaluation photoelectric conversion element 12. Measure the value.
- the power storage unit 23 stores the power from the measurement unit 22.
- the power storage unit 23 is a secondary battery such as a lithium ion battery or a nickel metal hydride battery.
- the flight drive unit 24 is driven by the electric power from the power storage unit 23 and causes the flying object 20 to fly in the air.
- the flight drive unit 24 includes a motor, a propeller, and the like.
- the flight control unit 25 receives data of the total power value and the evaluation power value from the measurement unit 22. And based on these data, the screen 10 is moved and rotated by controlling the flight of the flying body 20. Specific flight control of the flight control unit 25 will be described later.
- the flight communication unit 26 communicates with the video projection device 30 in accordance with instructions from the flight control unit 25.
- the flight communication unit 26 transmits power amount data such as a total power value and an evaluation power value, and instruction signals such as a brightness improvement instruction, a rotation instruction, and a movement instruction.
- the flight communication unit 26 receives an instruction signal from the video projection device 30 and outputs the instruction signal to the flight control unit 25.
- the flying object 20 may include an acceleration sensor (not shown).
- the acceleration sensor detects the inclination of the flying object 20 in the horizontal direction.
- the flight control unit 25 controls the flight drive unit 24 so that the horizontal inclination of the screen 10 becomes horizontal based on the detection result from the acceleration sensor.
- FIG. 4 is a block diagram of the image projection apparatus 30 according to the first embodiment.
- the video projection device 30 includes a video reception unit 31, a projection control unit 32, a projection unit 33, a projection communication unit 34, and a projection drive unit 35.
- the video receiver 31 receives a video signal from a TV tuner, a video recorder, a personal computer, or the like.
- the projection control unit 32 controls the projection unit 33 to project the image light by adjusting the luminance of the image by the video signal input from the video reception unit 31. In addition, the projection control unit 32 adjusts the luminance adjustment, the projection angle, and the projection position of the projection unit 33 based on the signal input from the projection communication unit 34.
- the projection unit 33 projects the image light input from the projection control unit 32 onto the screen 10.
- the projection unit 33 includes a projection lens.
- the projection communication unit 34 receives an instruction signal from the flying object 20 or an external operation device (not shown) such as a remote controller and outputs it to the projection control unit 32. In addition, the projection communication unit 34 transmits an instruction signal from the projection control unit 32 to the flying object 20.
- the projection drive unit 35 drives the projection unit 33 in order to change the projection angle or projection position of the image projected by the projection unit 33 under the control of the projection control unit 32.
- FIG. 5 is a flowchart showing the operation of the video projection system 1 in the first embodiment.
- the image projection device 30 projects image light on the screen 10 in the ⁇ Z direction (step S51).
- the screen 10 receives the image light projected by the image projection device 30 (step S52).
- the photoelectric conversion element 11 of the screen 10 generates electric power with the received image light (step S53).
- the screen 10 supplies power generated by all the photoelectric conversion elements 11 to the power supply unit 21 of the flying object 20. At that time, the screen 10 supplies power separately to the power supply unit 21 so that the power generation amount of each evaluation photoelectric conversion element 12 can be measured.
- the measuring unit 22 of the flying object 20 uses the total power value of the photoelectric conversion element 11 from the power supply unit 21 and the evaluation power value of each of the plurality of evaluation photoelectric conversion elements 12 as an average value for a predetermined time (for example, 5 seconds).
- the predetermined time is not limited to 5 seconds, and is appropriately set depending on the movement of the flying object 20 or the like.
- the predetermined time is preferably a short time (1 to 3 seconds) when the movement of the flying object 20 is fast, and a long time (30 to 2 minutes) when the movement of the flying object 20 is slow.
- FIG. 6 is a schematic diagram when the screen 10 is displaced in the + Z direction. As shown in FIG. 6, the distance between the screen 10 and the image projection device 30 is reduced, and the image light from the image projection device 30 has a smaller area than the area where the evaluation photoelectric conversion element 12 of the screen 10 is disposed. May be reduced. In this case, the photoelectric conversion element 11 receives all the image light from the image projection device 30, but the image light is not projected onto the evaluation photoelectric conversion element 12 positioned on the outermost periphery of the photoelectric conversion element 11. Each evaluation power value of the photoelectric conversion element 12 is smaller than a predetermined reference value (nearly zero). Therefore, step S55 is Yes.
- a predetermined reference value for example, 0.1 W
- step S55 When the evaluation power value is smaller than the predetermined reference value (Yes in step S55), the flight control unit 25 moves the flying object 20 backward ( ⁇ Z direction) so that the evaluation photoelectric conversion element 12 can receive the image light. It is moved away from the image projection device 30 (step S61). Thereafter, the process returns to step S54.
- FIG. 7 is a schematic diagram when the screen 10 is displaced in the ⁇ Z direction. As shown in FIG. 7, the distance between the screen 10 and the image projection device 30 is increased, and the image light from the image projection device 30 is enlarged to an area larger than the area where the photoelectric conversion element 11 of the screen 10 is disposed. Sometimes.
- Step S56 is Yes.
- step S56 When the total power value is smaller than the predetermined reference value (Yes in step S56), the flight control unit 25 controls the flight driving unit 24 to move the flying object 20 forward (+ Z direction), and to the image projection device 30. Approach (step S62). At this time, the area where the image light from the image projection device 30 is projected onto the screen 10 becomes smaller and approaches the area where the photoelectric conversion element 11 is disposed. Thereafter, the process returns to step S54.
- the flight control unit 25 determines that the evaluation power value measured by the measurement unit 22 is predetermined in the horizontal arrangement order of the evaluation photoelectric conversion elements 12. It is determined whether or not the value gradually decreases with the inclination of the range (step S57).
- FIG. 8 is a schematic diagram when the screen 10 rotates around the Y axis.
- FIG. 8 shows a state (solid line) where the screen 10 is inclined with respect to the normal state (broken line).
- the image light from the image projection device 30 is projected obliquely with respect to the screen 10.
- step S57 is Yes.
- it is determined whether or not at least one of the evaluation photoelectric conversion elements 12 positioned at the uppermost and lowermost positions of the photoelectric conversion element 11 of the screen 10 is gradually decreasing in the horizontal arrangement order. judge. Whether or not it gradually decreases can be determined by whether or not the gradient of the evaluation power value of the photoelectric conversion element for evaluation 12 is within a predetermined range in the order of arrangement in the horizontal direction.
- step S57 When the evaluation power value of the photoelectric conversion element 12 for evaluation gradually decreases (Yes in step S57), the flight control unit 25 controls the rotation of the flying object 20 about the Y axis (step S63).
- the direction of rotation can be determined by the direction in which the evaluation power value gradually decreases (+ X or ⁇ X direction). At this time, the rotation is performed until the difference between the evaluation power values is out of the predetermined range. Thereafter, the process returns to step S54.
- the rotation around the X axis can also be determined by the evaluation power value of the photoelectric conversion elements 12 for evaluation arranged in the Y direction as in FIG.
- the rotation around the Z-axis can be determined when the evaluation power value of the four-angle evaluation photoelectric conversion element 12 arranged on the screen 10 becomes almost zero.
- rotation around the Z axis is not a problem.
- the flight control unit 25 compares the two evaluation power values adjacent to each other in the arrangement order of the evaluation photoelectric conversion elements 12, and evaluates the evaluation power value. It is determined whether or not is decreasing rapidly (step S58). Whether or not the evaluation power value is rapidly decreased is based on whether or not the evaluation power value is smaller than a predetermined value (for example, 1/10) with respect to the evaluation power value of the adjacent photoelectric conversion element 12 for evaluation. Judgment can be made.
- a predetermined value for example, 1/10
- FIG. 9 is a schematic diagram when the screen 10 is displaced in the X and Y directions.
- the image light from the image projection device 30 may be displaced in the X and Y directions from the region of the screen 10 where the photoelectric conversion element 11 is disposed.
- an evaluation photoelectric conversion element 12 on which the image light is projected and an evaluation photoelectric conversion element 12 on which the image light is not projected are generated near the boundary of the image light. Since the evaluation power value of the evaluation photoelectric conversion element 12 on which the image light is not projected is substantially zero, a value smaller than 1/10 of the evaluation power value of the adjacent evaluation photoelectric conversion element 12 on which the image light is projected. It decreases rapidly. Therefore, step S58 is Yes.
- the image light may be projected halfway through the evaluation photoelectric conversion elements 12, in which case the evaluation photoelectric conversion is performed.
- the evaluation power value of the element 12 may be a value larger than 1/10 as compared with the evaluation value of the photoelectric conversion element 12 for evaluation before and after (left and right). In such a case, the evaluation power values of the adjacent evaluation photoelectric conversion elements 12 are compared rather than comparing the evaluation power values of the adjacent evaluation photoelectric conversion elements 12.
- Step S58 When the evaluation power value of the photoelectric conversion element 12 for evaluation is drastically decreasing (Yes in Step S58), the flight control unit 25 controls the movement of the flying object 20 in the vertical and horizontal directions (X / Y direction) (Step S64). . At this time, the flight control unit 25 calculates the amount by which the flying object 20 is moved based on the position of the evaluation photoelectric conversion element 12 where the evaluation power value is rapidly decreasing, and the boundary of the image light is the photoelectric conversion element 11. Move to the outermost circumference. Thereafter, the process returns to step S54.
- step S58 When the evaluation power value has not decreased rapidly (No in step S58), the process returns to step S54.
- the flying object can fly for a longer time by supplying electric power to the flying object that flies the screen from the screen provided with the plurality of photoelectric conversion elements.
- the measurement unit measures the total power value and the evaluation power value of the photoelectric conversion element of the screen, so that the power by light reception and the projection position of the image light on the screen can be controlled to be optimal. .
- the power generated by the photoelectric conversion element 11 and the projection position of the image light on the screen 10 are optimized by moving and rotating the flying object 20.
- the power generated by the photoelectric conversion element 11 and the projection position of the image light on the screen 10 are optimized by changing the luminance and the projection direction of the image projected by the image projection device 30.
- the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
- FIG. 10 is a flowchart showing the operation of the video projection system 1 in the second embodiment.
- Steps S51 to S58 are the same as those in the first embodiment. Hereinafter, only the flow related to steps S71 to S74 having different flows will be described.
- step S55 When the evaluation power value of each photoelectric conversion element 12 for evaluation is smaller than the reference value (Yes in step S55), the flight control unit 25 projects the image light from the flight communication unit 26 to the projection communication unit 34 of the image projection device 30. A view angle enlargement instruction (request signal) is transmitted (step S71). Then, the projection control unit 32 of the image projection device 30 expands the projection angle of the image light according to the projection angle expansion instruction received by the projection communication unit 34. Thereafter, the process returns to step S54.
- the flight control unit 25 determines whether or not the total power value of the photoelectric conversion element 11 is smaller than the reference value (step S56).
- the flight control unit 25 instructs the projection communication unit 34 of the image projection device 30 to reduce the projection angle of the image light (request signal) from the flight communication unit 26. Is transmitted (step S72). Then, the projection control unit 32 of the image projection device 30 reduces the projection angle of the image light in accordance with the projection angle reduction instruction received by the projection communication unit 34. Thereafter, the process returns to step S54.
- step S57 the flight control unit 25 determines whether the evaluation power value gradually decreases with a predetermined range of inclination in the horizontal arrangement order of the evaluation photoelectric conversion elements 12. Determination is made (step S57).
- the flight control unit 25 instructs the projection communication unit 34 of the image projection device 30 to change the projection position of the projection unit 33 (request) from the flight communication unit 26.
- Signal is transmitted (step S73).
- the projection control unit 32 of the video projection device 30 changes the position of the projection unit 33 in accordance with the projection position change instruction received by the projection communication unit 34. Thereafter, the process returns to step S54.
- the flight control unit 25 compares the two evaluation power values adjacent to each other in the arrangement order of the evaluation photoelectric conversion elements 12, and evaluates the evaluation power value. It is determined whether or not is decreasing rapidly (step S58).
- the flight control unit 25 instructs the projection communication unit 34 of the image projection device 30 to change the projection angle of the projection unit 33 (request) from the flight communication unit 26. Signal) is transmitted (step S74). Then, the projection control unit 32 of the video projection device 30 changes the projection angle of the projection unit 33 in accordance with the projection angle change instruction received by the projection communication unit 34. Thereafter, the process returns to step S54.
- step S58 When the evaluation power value has not decreased rapidly (No in step S58), the process returns to step S54.
- the image projection device 30 is controlled to optimize the power received by light reception and the projection position of the image light onto the screen.
- the flying object 20 transmits an instruction signal for changing the projection state of the image light to the image projection device 30.
- the flying object 20 transmits the total power value and the evaluation power value to the image projection device 30, and the image projection device 30 changes the projection state of the image light.
- the same components as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
- FIG. 11 is a flowchart showing the operation of the video projection system 1 according to the third embodiment.
- Steps S51 to S58 are the same as those in the first embodiment. In the following, only the flow related to steps S81 to S84 having different flows will be described.
- step S55 When each evaluation power value of the photoelectric conversion element 12 for evaluation is smaller than the reference value (Yes in step S55), the flight control unit 25 sends the evaluation power value from the flight communication unit 26 to the projection communication unit 34 of the image projection device 30. Send. Then, the projection control unit 32 of the video projection device 30 expands the projection angle of the video light based on the evaluation power value received by the projection communication unit 34 (step S81). Thereafter, the process returns to step S54.
- the flight control unit 25 determines whether or not the total power value of the photoelectric conversion element 11 is smaller than the reference value (step S56).
- the flight control unit 25 transmits the evaluation power value from the flight communication unit 26 to the projection communication unit 34 of the image projection device 30.
- the projection control unit 32 of the video projection device 30 reduces the projection angle of the video light based on the evaluation power value received by the projection communication unit 34 (step S82). Thereafter, the process returns to step S54.
- the flight control unit 25 determines whether the evaluation power value is gradually decreasing with a predetermined range of inclination in the horizontal arrangement order of the evaluation photoelectric conversion elements 12. Is determined (step S57). If the evaluation power value is gradually decreasing (Yes in step S57), the flight control unit 25 transmits the evaluation power value from the flight communication unit 26 to the projection communication unit 34 of the image projection device 30. Then, the projection control unit 32 of the image projection device 30 calculates the projection position of the projection unit 33 that eliminates the inclination of the decrease in the evaluation power value received by the projection communication unit 34, and the projection position of the projection unit 33 is calculated by the projection drive unit 35. Is moved (step S83). Thereafter, the process returns to step S54.
- the flight control unit 25 compares the two evaluation power values adjacent to each other in the arrangement order of the evaluation photoelectric conversion elements 12, and evaluates the evaluation power value. It is determined whether or not is decreasing rapidly (step S58).
- the flight control unit 25 transmits the evaluation power value from the flight communication unit 26 to the projection communication unit 34 of the image projection device 30.
- the projection control unit 32 of the image projection device 30 calculates the projection angle of the projection unit 33 from the position where the evaluation power value received by the projection communication unit 34 has suddenly changed, and the projection drive unit 35 projects the projection of the projection unit 33. The angle is changed (step S84). Thereafter, the process returns to step S54.
- step S58 When the evaluation power value has not decreased rapidly (No in step S58), the process returns to step S54.
- the image projection device 30 performs the calculation.
- the flight control unit 25 performs the determinations in steps S55 to S58, but the projection control unit 32 of the image projection device 30 may perform the determination.
- the projection control unit 32 of the video projection device 30 uses the total power value and the evaluation power value measured by the measurement unit 22 via the flight communication unit 26 without performing the determinations of steps S55 to S58. To the projection communication unit 34. Then, the projection control unit 32 performs the determinations in steps S55 to S58 from the received total power value and evaluation power value. Thereby, the calculation processing load of the flight control unit 25 of the flying object 20 can be further reduced.
- the total power value is improved by reducing the projection angle of view in steps S72 and S82.
- the luminance of the projection light from the image projection device 30 is improved and the total power value is improved. It is good.
- the movement of the flying object 20 and the change of the projection position of the image light from the image projection device 30 can be used in combination with the first to third embodiments.
- the luminance of the video is changed by measuring the total amount of power generated by the photoelectric conversion element 11, but even if the luminance of the video is changed by measuring the remaining amount of the power storage unit 23. good. Further, the luminance may be changed for each step, or may be changed for several steps according to the total power generation amount and the type of the power storage unit 23.
- the photoelectric conversion element 11 can supply power stably regardless of the brightness of the image.
- the flying body 20 is a helicopter type, but a flying body such as an airplane type or an airship type may be used.
- An airship type flying body can fly for a longer time because it can be lifted with low power consumption.
- the flight control unit 25 of the flying object 20 determines the amount of movement of the flying object 20, but the total power value of the photoelectric conversion element 11 and the evaluation power value of the evaluation photoelectric conversion element 12 are determined by flight communication.
- the projection control unit 32 of the image projection device 30 may calculate the amount of movement of the flying object 20 by transmitting from the unit 26 to the projection communication unit 34. At that time, the projection communication unit 34 transmits the movement amount to the flight communication unit 26. Then, the flight control unit 25 controls the flight drive unit 24 to move the flying object 20.
- a white (bright) monochromatic frame may be provided in the image light projected on the screen.
- the measurement accuracy of the evaluation power value of the photoelectric conversion element for evaluation 12 is improved, and a shift between the screen and the image light can be detected regardless of the brightness of the image light.
- the size of the monochrome frame is approximately the same as the width and height of the evaluation photoelectric conversion element 12.
- the outermost photoelectric conversion element 11 is used as the evaluation photoelectric conversion element 12. You may arrange
- the evaluation photoelectric conversion element 12 may receive image light from the image projection device, or may receive light projected from the image projection device separately from the image light. Then, the positional relationship between the screen 10 and the image light is adjusted based on the evaluation power value generated by the light received by the evaluation photoelectric conversion element 12.
- the electric power generated by the photoelectric conversion element 11 is stored in the power storage unit 23.
- the flight drive unit 24 may be directly fed.
- the flight communication unit 26 of the flying object 20 may communicate with other than the projection communication unit 34 of the image projection device 30.
- the flight communication unit 26 communicates with a remote controller operated by the operator, and the operator controls the flying object 20. You can also
- the flying body 20 supports the screen 10, but may further support the image projection device 30. By doing so, the positional relationship between the screen 10 and the image projection device 30 is fixed, so that there is no deviation between the screen 10 and the image light. Also in this case, the flying object 20 can fly using the electric power that the photoelectric conversion element 11 receives and converts the image light from the image projection device 30.
- the screen 10 is not limited to a planar shape, and can be configured by a curved surface or a spherical shape, for example, can be formed in a cylindrical shape or a spherical shape.
- the image projection device 30 can be arranged in a space surrounded by the screen 10 and image light can be projected onto the screen 10 from the inside.
- the screen device 2 and the image projection device 30 have been described separately, the screen device 2 and the image projection device 30 may be integrated. It may move integrally with the screen device 2.
- the flying device supports the screen that receives the image light from the image projection device, and the image projection system. Useful as such.
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Abstract
Description
まず、本開示の映像投写システム1の構成について説明する。図1は、実施の形態1における映像投写システム1の概要図である。
実施の形態1では、飛行体20が移動及び回転することで、光電変換素子11が発電する電力およびスクリーン10への映像光の投写位置を最適化した。実施の形態2では、映像投写装置30が投写する映像の輝度や投写方向を変更することで、光電変換素子11が発電する電力およびスクリーン10への映像光の投写位置を最適化する。実施の形態1と同じ構成要素については同じ符号を用い、説明を省略する。
実施の形態2では、飛行体20が映像投写装置30に映像光の投写状態を変更する指示信号を送信した。実施の形態3では、飛行体20は映像投写装置30に総電力値及び評価電力値を送信し、映像投写装置30が映像光の投写状態を変化させる。実施の形態1と同じ構成要素については同じ符号を用い、説明を省略する。
本開示における技術は、実施の形態1~3に限定されず、適宜、変更、置き換え、付加、省略などを行った実施の形態にも適用可能である。また、実施の形態1~3で説明した各構成要素を組み合わせて、新たな実施の形態とすることも可能である。
2 スクリーン装置
10 スクリーン
11 光電変換素子
12 評価用光電変換素子
13 支持部材
14 ケーブル
20 飛行体
21 給電部
22 計測部
23 蓄電部
24 飛行駆動部
25 飛行制御部
26 飛行通信部
30 映像投写装置
31 映像受信部
32 投写制御部
33 投写部
34 投写通信部
35 投写駆動部
Claims (14)
- 複数の光電変換素子を有し、映像投写装置の映像光を受光するスクリーンと、
前記複数の光電変換素子が前記映像光を受光して光電変換した電力を給電する給電部と、
前記スクリーンを支持し、前記給電部から給電された電力により飛行する飛行体と、
前記飛行体の飛行を制御する飛行制御部と、を備える、
スクリーン装置。 - さらに、前記給電部が給電する電力を計測する計測部を備え、
前記飛行制御部は、前記計測部が計測した電力値が第1の基準値より小さいとき、前記飛行体が前記映像投写装置の方向へ移動するように制御する、
請求項1に記載のスクリーン装置。 - さらに、前記給電部が給電する電力を計測する計測部を備え、
前記飛行制御部は、前記計測部が計測した電力値が第1の基準値より小さいとき、前記映像投写装置に前記映像の輝度向上の要求信号を送信する、
請求項1に記載のスクリーン装置。 - さらに、前記給電部が給電する電力を計測する計測部を備え、
前記スクリーンは、所定方向に配置された複数の評価用光電変換素子を有し、
前記計測部は、前記複数の評価用光電変換素子の各々が光電変換した電力を計測し、
前記飛行制御部は、前記計測部が計測した前記複数の評価用光電変換素子の各々の電力値が前記所定方向に徐々に減少するとき、前記飛行体が垂直方向軸を中心に回転するように制御する、
請求項1に記載のスクリーン装置。 - さらに、前記給電部が給電する電力を計測する計測部を備え、
前記スクリーンは、所定方向に配置された複数の評価用光電変換素子を有し、
前記計測部は、前記複数の評価用光電変換素子の各々が光電変換した電力を計測し、
前記飛行制御部は、前記計測部が計測した前記複数の評価用光電変換素子の各々の電力値が前記所定方向に徐々に減少するとき、前記映像投写装置に前記映像光の投写角度の変更の要求信号を送信する、
請求項1に記載のスクリーン装置。 - さらに、前記給電部が給電する電力を計測する計測部を備え、
前記スクリーンは、所定方向に配置された複数の評価用光電変換素子を有し、
前記計測部は、前記複数の評価用光電変換素子の各々が光電変換した電力を計測し、
前記飛行制御部は、前記計測部が計測した前記複数の評価用光電変換素子の各々の電力の値が前記所定方向で急激に減少するとき、前記飛行体が水平又は垂直方向に移動するように制御する、
請求項1に記載のスクリーン装置。 - さらに、前記給電部が給電する電力を計測する計測部を備え、
前記スクリーンは、所定方向に配置された複数の評価用光電変換素子を有し、
前記計測部は、前記複数の評価用光電変換素子の各々が光電変換した電力を計測し、
前記飛行制御部は、前記計測部が計測した前記複数の評価用光電変換素子の各々の電力値が前記所定方向で急激に減少するとき、前記映像投写装置に前記映像光の投写位置の変更の要求信号を送信する、
請求項1に記載のスクリーン装置。 - さらに、前記給電部が給電する電力を計測する計測部を備え、
前記スクリーンは、前記複数の光電変換素子が配置された領域外に複数の評価用光電変換素子を有し、
前記計測部は、前記複数の評価用光電変換素子の各々が前記映像投写装置から投写された光を受光して光電変換した電力を計測する、
請求項1に記載のスクリーン装置。 - 請求項1に記載のスクリーン装置と、
前記映像光を前記スクリーンに投写する前記映像投写装置と、を備える、
映像投写システム。 - 前記スクリーン装置は、さらに、前記複数の光電変換素子が光電変換した電力を計測する計測部と、
前記計測部が計測した電力値を前記映像投写装置に送信する飛行通信部を備え、
前記映像投写装置は、前記電力値を受信し、前記電力値が第1の基準値より小さいとき、前記映像光の輝度向上を行う、
請求項9に記載の映像投写システム。 - 前記スクリーンは所定方向に配置された複数の評価用光電変換素子を有し、
前記スクリーン装置は、さらに、前記複数の評価用光電変換素子の各々が光電変換した電力を計測する計測部を備え、
前記飛行制御は、前記計測部が計測した前記複数の評価用光電変換素子の各々の電力値を前記映像投写装置に送信し、
前記映像投写装置は、受信した前記各々の電力値が前記所定方向に徐々に減少するとき、前記映像光の投写角度の変更を行う、
請求項9に記載の映像投写システム。 - 前記スクリーンは、所定方向に配置された複数の評価用光電変換素子を有し、
前記スクリーン装置は、さらに、前記複数の評価用光電変換素子の各々が光電変換した電力を計測する計測部を備え、
前記飛行制御部は、前記計測部が計測した前記複数の評価用光電変換素子の各々の電力値を前記映像投写装置に送信し、
前記映像投写装置は、受信した前記各々の電力値が前記所定方向で急激に減少するとき、前記映像光の投写位置の変更を行う、
請求項9に記載の映像投写システム。 - 前記映像投写装置は、前記映像光に重畳して紫外線又は赤外線を前記スクリーンに投写し、
前記給電部は、前記複数の光電変換素子が前記紫外線又は前記赤外線を受光して光電変換した電力を給電する、
請求項9に記載の映像投写システム。 - 前記飛行体は、前記映像投写装置を支持する、
請求項9に記載の映像投写システム。
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JPWO2017002298A1 (ja) | 2018-04-19 |
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