WO2013015052A1 - カメラ制御システムおよびその動作制御方法 - Google Patents
カメラ制御システムおよびその動作制御方法 Download PDFInfo
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- WO2013015052A1 WO2013015052A1 PCT/JP2012/065841 JP2012065841W WO2013015052A1 WO 2013015052 A1 WO2013015052 A1 WO 2013015052A1 JP 2012065841 W JP2012065841 W JP 2012065841W WO 2013015052 A1 WO2013015052 A1 WO 2013015052A1
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- camera control
- camera
- control
- network line
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00344—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a management, maintenance, service or repair apparatus
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
- G02B7/102—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens controlled by a microcomputer
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0007—Movement of one or more optical elements for control of motion blur
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
- G03B2205/0046—Movement of one or more optical elements for zooming
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B2207/00—Control of exposure by setting shutters, diaphragms, or filters separately or conjointly
- G03B2207/005—Control of exposure by setting shutters, diaphragms, or filters separately or conjointly involving control of motion blur
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- 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
- G03B2217/00—Details of cameras or camera bodies; Accessories therefor
- G03B2217/005—Blur detection
Definitions
- the present invention relates to a camera control system and an operation control method thereof.
- Some interchangeable lenses that can be attached to and detached from the camera body include a switch that transmits information about the moving direction of the lens and the amount of aperture by using a single signal line so as not to increase the number of lens contacts (Patent Document 1).
- a switch that transmits information about the moving direction of the lens and the amount of aperture by using a single signal line so as not to increase the number of lens contacts
- Patent Document 2 when the camera body sends a control signal to cause the interchangeable lens to perform each operation, it takes a long time to complete the process, so that a plurality of movable members are driven simultaneously.
- Patent Document 3 there is a multiprocessor system that uses exclusive control to ensure real-time performance
- JP 2011-112700 A JP 2010-15131 A JP 2010-140290 A Japanese Patent Laid-Open No. 7-99599
- multiple camera control boards can simultaneously use the network line.
- a collision of communication data occurs on the network line.
- any camera, etc. it is not considered to control the camera using a plurality of camera control boards in which the boards are connected by a network line, so communication data on the network line is not considered. Is not considered about the collision.
- An object of the present invention is to prevent collision of communication data on a network line.
- a camera control circuit having a different control function is mounted on each of a plurality of independent camera control boards, and the camera control boards are connected by a network line.
- One of the plurality of camera control boards determines the priority order of the camera control boards using the network line.
- This invention also provides an operation control method suitable for the camera control system. That is, in this method, a camera control circuit having a different control function is mounted on each of a plurality of independent camera control boards, and the camera control boards are connected by a network line. In the system operation method, one camera control board of the plurality of camera control boards determines the priority order of the camera control boards using the network line.
- each of the plurality of camera control boards is independent (separate boards), and a camera control circuit having a different control function is mounted on each camera control board.
- a plurality of such camera control boards are connected by a network line (bus connection). Multiple camera control boards can control the camera independently, but since they are connected via a network line, if control data is sent simultaneously from multiple camera control boards, the control data on the network line A collision will occur.
- the network line can be used according to the priority order. . It is possible to prevent a control data collision from occurring on the network line.
- the one camera control board controls the plurality of camera control boards so that, for example, a camera control board having a higher priority order uses the network line more frequently within a certain period.
- the one camera control board may perform a priority determination process of the camera control board that uses a network line every time the camera control by the camera control board ends.
- a priority determined in advance may be given priority.
- the plurality of camera control boards include, for example, a focus lens control board for controlling the focus lens, a zoom lens control board for controlling the zoom lens, and an iris control board for controlling the diaphragm.
- a focus lens control board for controlling the focus lens
- a zoom lens control board for controlling the zoom lens
- an iris control board for controlling the diaphragm.
- the plurality of camera control boards may further include, for example, a shake detection control board for detecting camera shake and a shake correction control board for correcting camera shake.
- a shake detection control board for detecting camera shake
- a shake correction control board for correcting camera shake.
- the shake correction control board has a higher priority for using the network line.
- the shake correction control board has a lower priority for using the network line.
- 2 shows a data structure of CAN communication.
- the relationship between the zoom amount, aperture value, and focus control priority is shown. It shows the relationship between zoom amount, camera shake amplitude, and anti-vibration lens control priority.
- the graph shows the relationship among the zoom amount, camera shake frequency, and priority of vibration-proof lens control.
- the relationship between priority and control cycle is shown.
- FIG. 1 is a block diagram showing an electrical configuration of a photographing lens unit (camera control system) 1.
- the photographing lens unit 1 includes a large number of CPU boards 10-22 (which are detachable from each other) which are independent (separate boards). A CPU is mounted on each of the CPU boards 10-22.
- a CPU is mounted on each substrate. Therefore, a large number of processes can be performed simultaneously by simultaneously driving the CPUs mounted on the respective substrates.
- the image data from the camera body 52 and various signals from the virtual system 53 that performs CG (computer graphic) processing are input to the CPU board 10 via an RS232C cable or the like.
- the zoom request signal and the focus request signal given to the photographing lens unit 1 are given to the zoom request CPU board 11 and the focus request CPU board 12, respectively.
- the photographing lens unit 1 is provided with various switches 31 and 32 and the like, and switch signals from these various switches 31 and 32 are given to the switch control CPU board 13. Further, the photographing lens unit 1 is provided with display devices 33 and 34 and the like, and these display devices 33 and 34 are controlled by the display control CPU board 14.
- the zoom request CPU board 11 receives a given zoom request signal and transmits it to another board.
- the focus request CPU board 12 receives a given focus request signal and transmits it to another board.
- the switch control CPU board 13 performs switch control based on signals from the various switches 31 and 32.
- the display control CPU board 14 controls display on the display devices (indicators) 33 and 34.
- the zoom control CPU board 15 is connected with a zoom motor 41 that drives a zoom lens (not shown) and a sensor 42 that detects the position of the zoom lens.
- the zoom control CPU board 15 drives the zoom motor 41 to control the zoom lens so that a desired zoom position is obtained.
- the focus control CPU board 16 is connected with a focus motor 43 that drives a focus lens (not shown) and a sensor 44 that detects the position of the focus lens.
- the focus control CPU board 16 drives the focus motor 43 to control the focus lens so that the focus position is the designated position for manual focus and the calculated focus position for auto focus.
- the iris control CPU board 17 is connected to an iris motor 45 that drives an iris (not shown) and a sensor 46 that detects the iris aperture value.
- the iris motor 45 is driven by the iris control CPU board 17 to control the iris so as to obtain a desired aperture value.
- the anti-vibration correction control CPU board 18 is connected with an anti-vibration lens / motor 47 for driving an anti-vibration lens (not shown) for correcting camera shake and the like, and a sensor 48 for detecting the position of the anti-vibration lens.
- the image stabilization lens is driven by the image stabilization control CPU board 18 so as to correct camera shake obtained by control of an angular velocity sensor control CPU board 19 described later.
- An angular velocity sensor 49 is connected to the angular velocity sensor control CPU board 19.
- the angular velocity sensor 49 detects the shake of the camera (photographing lens unit 1) in the vertical and horizontal directions. Needless to say, the camera body 52 is mounted on the photographing lens unit 1 and the camera body 52 is shaken. Data indicating the detected vertical shake and horizontal shake is input from the angular velocity sensor control CPU board 19 to the image stabilization control CPU board 18, and the image stabilization lens is driven by the image stabilization correction control CPU board 18. It will be. In each speed sensor control CPU board 18, the frequency and amplitude of shake of the camera body 52 are also calculated.
- the PF unit CPU board 20 is obtained from a first AF CCD and a second AF CCD that are slightly shorter than the optical distance of the imaging CCD provided in the camera body 52 (both not shown). Two graphs representing the relationship between the AF evaluation value and the position of the focus lens are generated, and the in-focus position that is the intersection is calculated.
- the additional control CPU boards 21 and 22 are used when the photographing lens unit 1 performs additional control.
- the photographing lens unit 1 includes a first common bus BUS1 and a second common bus BUS2.
- the zoom request CPU board 11, the focus request CPU board 12, the switch control CPU board 13, the display control CPU board 14 and the CPU board 10 are bus-connected to the first common bus BUS1.
- the CPU board 10, zoom control CPU board 15, focus control CPU board 16, iris control CPU board 17, anti-vibration correction control CPU board 18, angular velocity sensor control CPU board 19, and PF unit CPU are connected to the second common bus BUS2.
- a board 20 and additional control CPU boards 21 and 22 are connected by a bus.
- the bus lines (network lines) or the bus line and the board are detachably connected by a connector (not shown). It goes without saying that the number of common buses is not two, but may be one or three or more.
- the memory 60 and timer 61 are connected to the CPU board 10 by a network line.
- the network communication between boards described above can use CAN (Controller Area Network) communication.
- CAN Controller Area Network
- FIG. 2 shows the structure of a data frame which is a transfer format for transmitting data in CAN communication.
- Data frame is either recessive or dominant.
- the numbers in each part indicate the number of bits.
- the bus is recessive (bus idle).
- the data frame includes a start of frame, an identifier field, an RTR, a control field, a data field, a CRC sequence, a CRC delimiter, an ACK slot, an ACK delimiter, and an end of frame. Is done.
- the start of frame indicates the start of the data frame and is in a dominant state.
- the CPU board (receiving node) on the receiving side can perform synchronization by changing the start of frame from recessive in bus idle to dominant.
- the identifier field is used to identify the data contents and the CPU board (transmission node) on the transmission side.
- the CPU board on the receiving side can determine whether the data frame is used by detecting the contents described in the identifier field.
- the identifier field may determine the priority of communication arbitration.
- RTR Remote Transmission Request
- the RTR is used to identify a data frame for transmitting data and a remote frame for requesting data transmission. In the case of a data frame, the RTR is dominant.
- the RTR is also used for communication arbitration in the same manner as the identifier field.
- the control field indicates how many bytes are transmitted in the next data field.
- the data field is the portion of data transmitted in the data frame.
- CRC Cyclic Redundancy Check
- the CRC delimiter is a delimiter that indicates the end of the CRC sequence and is fixed to a recessive 1-bit length.
- ACK (Acknowledgement) slot is a field for normal reception confirmation.
- the ACK delimiter is a delimiter that represents the end of the ACK slot and is fixed to a recessive 1-bit length.
- the end-of-frame indicates the end of transmission or reception and is fixed to recessive.
- communication arbitration is performed. For example, when two data frames are transmitted, one bit of data described in the identifier field of each of the two data frames is compared, and the first difference data becomes the dominant one. Data frames are transmitted with priority.
- control data data frame
- priority is given to the use of the network line (control by the control board), and the network line can be used according to the priority.
- 3 to 5 are for assigning priorities used for determining the priorities, and show the relationship between the state and priority in camera control.
- FIG. 3 shows the relationship between the zoom amount, the aperture value, and the priority for focus.
- the horizontal axis indicates the zoom amount of the zoom lens
- the vertical axis indicates the aperture value of the aperture.
- Regions 71 to 74 are defined.
- the area 71 defines the zoom amount on the tele side and the aperture value on the open side.
- the zoom amount is on the tele side but the aperture value is slightly closed from the open side, and the zoom amount is on the wide side but the aperture value defines the open side.
- the zoom amount is intermediate between the tele side and the wide side, the region where the aperture is relatively closed, and the zoom amount is intermediate between the tele side and the wide side, and the aperture is open and fully closed.
- An intermediate region between the state and the zoom amount is relatively wide, and an intermediate region between the open state and the fully closed state is defined.
- the area 74 defines an area on the side where the zoom amount is on the wide side and the aperture is closed.
- the priority for the focus is specified to be high. Conversely, the closer the zoom lens is to the wide side and the closer the aperture, the deeper the depth of focus. In such a case, the priority for the focus is specified to be low. The priority for the focus is higher in the order of the areas 71, 72, 73, 74 (the priorities of the areas 71, 72, 73, 74 are 1, 2, 3, 4 respectively).
- the zoom amount Z10 is at the wide end, the zoom amount becomes the tele side as Z11, Z12, Z13, and Z14, and the aperture is closed as I0, I1, I2, I3, I4, and I5.
- the focus priority is 1.
- the zoom amount is between Z13 and Z14 and the aperture is fully closed from I3, the focus priority is 2.
- the priority is 1, 2, or 3 depending on the aperture state.
- the priority is 1, 2, 3 or 4 depending on the aperture state.
- the zoom amount is between Z10 and Z11, the priority is 2, 3 or 4 depending on the aperture state.
- Priority of focus is determined by the state of zoom amount and aperture value.
- FIG. 4 shows the relationship between the zoom amount, the camera shake amplitude, and the priority of the anti-vibration lens control.
- Regions 81, 82 and 83 are defined.
- a region 81 indicates a region where the zoom amount is on the tele side and the amplitude is large.
- the region 83 indicates a region where the zoom amount is on the wide side and the amplitude is small.
- the region 82 is a region between the region 81 and the region 83.
- a0 is when the amplitude is minimum
- a3 is when the amplitude is greater than or equal to a predetermined maximum
- a1 and a2 are amplitudes between them (a1 ⁇ a2, where a2 is larger in amplitude).
- the priority is 2 or 3 depending on the amplitude.
- the priority is 1, 2, or 3 depending on the amplitude.
- the priority is 2 or 3 depending on the amplitude.
- the amplitude is between a0 and a1
- the priority is 2 or 3 depending on the zoom amount.
- the priority is 1, 2 or 3 depending on the zoom amount.
- the amplitude is between a2 and a3, the priority is 2 or 3 depending on the zoom amount.
- ⁇ Anti-vibration lens control priority is determined according to the zoom amount and amplitude.
- FIG. 5 shows the relationship between the zoom amount, the camera shake frequency, and the priority of the anti-vibration lens control.
- Regions 91, 92 and 93 are defined.
- An area 91 indicates an area where the zoom amount is on the telephoto side and the frequency is high.
- An area 93 indicates an area where the zoom amount is on the wide side.
- Region 92 is a region between region 91 and region 93.
- the priority of the anti-vibration lens control increases in the order of the areas 93, 92, and 91.
- the priority is 3 according to the amplitude.
- the priority is 2 or 3 depending on the frequency.
- the priority is 2 when the zoom amount is between Z32 and Z33.
- the priority is 1 or 2 depending on the frequency.
- the frequency is between f0 and f1
- the priority is 2 or 3 depending on the zoom amount.
- the priority is 1, 2, or 3 depending on the zoom amount.
- the priority of vibration-proof lens control is determined according to the zoom amount and frequency.
- Fig. 6 shows the relationship between priority and control cycle.
- the control cycle indicates the cycle for performing control with that priority.
- the control periods of priority 1, 2, 3, 4 and 5 are 10 milliseconds, 20 milliseconds, 30 milliseconds, 40 milliseconds and 50 milliseconds, respectively. The higher the priority, the more times the control with that priority is performed.
- This process may be always performed while power is supplied to the photographing lens unit 1 or may be performed at a constant cycle.
- the timer 61 is reset and started (step 101).
- step 102 From the CPU board 10 to the zoom control CPU board 15, the focus control CPU board 16, the iris control CPU board 17 and the angular velocity sensor control CPU board 19, the zoom lens amount, the focus lens position, the aperture value, and the vibration amplitude of the camera body 52 And a command to read the frequency state is provided (step 102).
- the zoom control CPU board 15, the focus control CPU board 16, the iris control CPU board 17 and the angular velocity sensor control CPU board 19 cause the zoom lens amount, the focus lens position, the aperture value, and the amplitude and frequency of camera body 52 shake.
- the state of is read. Data indicating each read state is given to the CPU board 10. When the data indicating the read state collides on the network line, it is given to the CPU board 10 in a predetermined order.
- the focus priority and the anti-vibration lens control priority are calculated from the data indicating the read state as described above (step 103).
- the priority of the anti-vibration lens control may be calculated using either amplitude or frequency, or may be calculated using both. In the case where the vibration-proof lens control priority is calculated using both the vibration amplitude and the frequency of the camera body 52, for example, the priority calculated based on the amplitude and the priority calculated based on the frequency are higher. This is the priority for vibration-proof lens control.
- the default priority indicates the order in which the CPU board 11-22 included in the photographing lens unit 1 uses the network line (the order in which the CPU board 11-22 controls).
- the control order is determined in advance such as zoom control, focus control, iris control, anti-vibration lens control, zoom control, and the like.
- zoom control, focus control, iris control, and anti-vibration lens control the order of control of other CPU boards is also determined, but control with low priority is defined so that the number of times is reduced. Further, when a zoom request signal or a focus request signal given from the outside is input to the photographing lens unit 1, it is a request from the cameraman by manual, and therefore it may be controlled with the highest priority.
- priority 1 camera control is performed (step 106). For example, if the focus control is priority 1, focus control is performed by the focus control CPU board 16, and priority is given to use of the network line by the focus control CPU board 16. As described above, priority is given to network line arbitration in CAN communication. When there are a plurality of priority 1 camera controls, the higher default priority is given priority. If 10 n milliseconds have not elapsed since the start of the timer 61 (NO in step 105), camera control is performed in accordance with the default priority read from the memory 60 (step 107).
- priority 1 and priority 2 camera control is performed (step 109).
- 20n milliseconds have elapsed from the start of the timer 61
- 10n milliseconds have elapsed since the priority 1 camera control, so not only priority 2 but also priority 1 camera control is performed.
- Either priority 1 camera control or priority 2 camera control may be given priority.
- priority can be determined according to the default priority order. If 20 milliseconds have not elapsed since the start of the timer 61 (NO in step 108), camera control is performed in accordance with the default priority read from the memory 60 (step 110).
- priority 1 and priority 3 camera control is performed (step 112), and if 30n milliseconds have not elapsed since the start of timer 61 (in step 111). NO), camera control is performed according to the default priority order read from the memory 60 (step 113).
- priority 1, priority 2 and priority 4 camera control is performed (step 115), and 40n milliseconds have elapsed since timer 61 started. If not (NO in step 114), camera control is performed in accordance with the default priority read from the memory 60 (step 116).
- step 117 when 50 n milliseconds have elapsed from the start of timer 61 (YES in step 117), priority 1 and priority 5 camera control is performed (step 118), and if 50 n milliseconds have not elapsed since the start of timer 61 (step 118).
- step 117 the camera is controlled according to the default priority order read from the memory 60.
- step 120 If the photographing lens unit 1 is not turned off (NO in step 120) due to, for example, the power supply to the photographing lens unit 1 being lost, the processing from step 102 is repeated.
- step 121 final processing such as moving the zoom lens to the initial position is performed (step 121).
- priority can be determined and camera control can be performed according to the priority even if data collision occurs on the network line. It becomes like this.
- FIG. 9 and FIG. 10 show another embodiment, and are flowcharts showing the processing procedure of the photographing lens unit 1.
- the zoom lens amount, the focus lens position, the aperture value, the camera body A command is given to read the state of the amplitude and frequency of 52 swings (step 132). Then, as described above, data indicating the zoom lens amount, the focus lens position, the aperture value, the shake amplitude of the camera body 52, and the state of the frequency are given to the CPU board 10.
- the focus priority and the anti-vibration lens control priority are calculated from the data indicating the read state as described above (step 133).
- camera control priority is determined (step 134).
- This priority order may be determined in consideration of the priority calculated in the default priority order as described above, or may be determined separately from the default priority order. It is preferable to raise the priority from time to time for low priority boards such as the switch control CPU board 13. It is possible to prevent the fact that it cannot be controlled at all.
- camera control with the highest priority among the determined priorities is determined (step 135).
- an operation command is given from the CPU control board 10 to the focus control CPU board 16.
- the focus / lens position is read by the focus control CPU board 16 (step 136), and the in-focus position is calculated by the PF unit board 20 (step 137).
- the focus lens is driven by the focus control CPU board 16 so that the focus lens is positioned at the calculated in-focus position (step 138).
- an operation command is given from the CPU board 10 to the anti-shake correction control CPU board 18.
- the image stabilization lens position is read by the image stabilization correction control CPU board 18 (step 141).
- the sensor 49 detects the shake direction and the shake amount of the camera body 52, and the image stabilization lens CPU calculates the image stabilization position of the image stabilization lens (step 142).
- the image stabilization lens is positioned by the image stabilization control CPU board 18 so as to be positioned at the calculated correction position (step 143).
- zoom lens control has the highest priority
- an operation command is given from the CPU board 10 to the zoom control CPU board 15.
- the zoom lens position (zoom amount) is read by the zoom control CPU board 15 (step 151), and the zoom lens position is calculated (step 152). For example, the zoom position is calculated based on the zoom request signal.
- the zoom lens is driven by the zoom control CPU board 15 so as to reach the calculated zoom position (step 153).
- step 161 If the other camera control has the highest priority, an operation command is given from the CPU board 10 to the corresponding control board (step 161). Control is performed on the corresponding control board (step 162).
- step 171 If the photographing lens unit 1 is not turned off (NO in step 171), the processing from step 132 is repeated again.
- a priority order determination process is performed every time camera control ends. The control with the highest priority is performed again. Since the control is not performed unless the priority is the highest, a history indicating what kind of control has been performed is stored, and if there is control that is not performed for a certain period of time, the control is performed. It is preferable to perform the highest priority.
- FIG. 11 shows a modification and is a block diagram showing another electrical configuration of the photographing lens unit 1A.
- zoom request CPU board 11 and focus request CPU board 12 In the modification shown in FIG. 11, zoom request CPU board 11 and focus request CPU board 12, focus request CPU board 12 and switch control board 13, switch control CPU board 13 and display control CPU board 14, zoom request CPU board 11 and CPU
- the substrates 10 are detachably connected (bus connection) by network lines.
- the CPU board 10 and the zoom control CPU board 15, the zoom control CPU board 15 and the focus control CPU board 16, the focus control CPU board 16 and the iris control CPU board 17, the iris control CPU board 17 and the image stabilization control CPU board 18, Anti-vibration correction control CPU board 18 and angular velocity sensor control board 19, angular velocity sensor control board 19 and PF unit CPU board 20, PF unit CPU board 20 and additional control CPU board 22, and additional control CPU boards 21 and 21 are also network
- the line is detachably connected.
- CAN communication is used, but network technologies other than CAN communication may be used.
- PROFIBUS, CC-Link, Interbus, EC-NET, etc. can be used.
- the CPU board 10-22 is connected by a network line, but these CPU boards 51-64 and the network line are detachably connected by a connector or the like.
- the zoom control CPU board 15, the focus control CPU board 16, the iris control CPU board 17 and the image stabilization control CPU board 18 have the same configuration, and the boards are shared. Further, the zoom request CPU substrate 11, the focus request CPU substrate 12, and the angular velocity sensor control CPU substrate 18 are also shared, and all are mounted with a CPU. The zoom request signal, the focus request signal, or the sensor signal is input to the CPU mounted on the zoom request CPU board 11, the focus request CPU board 12, or the angular velocity sensor control CPU board 19 via the analog / digital conversion circuit. Further, the switch control CPU board 13 and the display control CPU board 14 have the same configuration, and signals input from the switches 31, 32, etc. are input to the CPU of the switch control CPU board 13 via the analog / digital conversion circuit, and the display control is performed. Control data from the CPU of the CPU board 14 is converted into an analog control signal in the digital / analog conversion circuit and input to the display devices 33 and 34. Further, the configurations of the PF unit CPU board 20 and the additional control CPU boards 21 and 22 may be the same.
- the CPU control board 10-22 is mounted with a common communication circuit (transceiver) for communicating via the CPU and the network line, it is possible to share these circuits.
- 1,1A Photography lens unit (camera control system) 10-22 CPU board (camera control board) 10 CPU board (one camera control board)
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Studio Devices (AREA)
- Lens Barrels (AREA)
- Structure And Mechanism Of Cameras (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
Description
10-22 CPU基板(カメラ制御基板)
10 CPU基板(一のカメラ制御基板)
Claims (7)
- それぞれが独立している複数のカメラ制御基板のそれぞれに,異なる制御機能を有するカメラ制御回路が実装されており,カメラ制御基板同士がネットワーク・ラインにより接続されており,
上記複数のカメラ制御基板のうちの一のカメラ制御基板が,ネットワーク・ラインを使用するカメラ制御基板の優先順位を決定する,
カメラ制御システム。 - 上記一のカメラ制御基板は,
優先順位の高いカメラ制御基板ほど一定期間内においてネットワーク・ラインを使用する回数が多くなるように上記複数のカメラ制御基板を制御するものである,
請求項1に記載のカメラ制御システム。 - 上記一のカメラ制御基板は,
カメラ制御基板によるカメラ制御の終了ごとにネットワーク・ラインを使用するカメラ制御基板の優先順位決定処理を行うものである,
請求項1または2に記載のカメラ制御システム。 - 上記一のカメラ制御基板によって決定された優先順位が同じものについては,あらかじめ定められている優先順位を優先するものである,
請求項1から3のうちいずれか一項に記載のカメラ制御システム。 - 上記複数のカメラ制御基板には,
フォーカス・レンズを制御するフォーカス・レンズ制御基板,
ズーム・レンズを制御するズーム・レンズ制御基板,および
絞りを制御するアイリス制御基板が含まれており,
ズーム・レンズがテレ側であり,かつ絞りが開放側ほど,上記フォーカス・レンズ制御基板がネットワーク・ラインを使用する優先順位が高いものであり,ズーム・レンズがワイド側であり,かつ絞りが閉じているほどフォーカス・レンズ制御基板がネットワーク・ラインを使用する優先順位が低いものである,
請求項1から4のうち,いずれか一項に記載のカメラ制御システム。 - 上記複数のカメラ制御基板には,
カメラの振れを検出する振れ検出制御基板,および
カメラの振れを補正する振れ補正制御基板がさらに含まれており,
ズーム・レンズがテレ側であり,かつカメラの振れの振幅が大きい,あるいはカメラの振れの周波数が高いほど振れ補正制御基板がネットワーク・ラインを使用する優先順位が高いものであり,ズーム・レンズがワイド側であり,かつカメラの振れの振幅が小さい,あるいはカメラの振れの周波数が低いほど振れ補正制御基板がネットワーク・ラインを使用する優先順位が低いものである,
請求項5に記載のカメラ制御システム。 - それぞれが独立している複数のカメラ制御基板のそれぞれに,異なる制御機能を有するカメラ制御回路が実装されており,カメラ制御基板同士がネットワーク・ラインにより接続されているカメラ制御システムの動作方法であって,
上記複数のカメラ制御基板のうちの一のカメラ制御基板が,ネットワーク・ラインを使用するカメラ制御基板の優先順位を決定する,
カメラ制御システムの動作制御方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2013525632A JP5782517B2 (ja) | 2011-07-28 | 2012-06-21 | カメラ制御システムおよびその動作制御方法 |
EP12817700.3A EP2739032B1 (en) | 2011-07-28 | 2012-06-21 | Camera control system and method of controlling operation thereof |
US14/164,921 US9106777B2 (en) | 2011-07-28 | 2014-01-27 | Camera control system and method of controlling operation of same |
Applications Claiming Priority (2)
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JP2011164947 | 2011-07-28 | ||
JP2011-164947 | 2011-07-28 |
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US14/164,921 Continuation US9106777B2 (en) | 2011-07-28 | 2014-01-27 | Camera control system and method of controlling operation of same |
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WO2013015052A1 true WO2013015052A1 (ja) | 2013-01-31 |
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US (1) | US9106777B2 (ja) |
EP (1) | EP2739032B1 (ja) |
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JPWO2016016984A1 (ja) * | 2014-07-31 | 2017-06-01 | 日立マクセル株式会社 | 撮像装置およびその被写体追尾方法 |
CN111549504A (zh) * | 2020-04-20 | 2020-08-18 | 五邑大学 | 智能衣架及其控制方法、计算机可读存储介质 |
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JPH0799599A (ja) | 1993-09-27 | 1995-04-11 | Canon Inc | テレビレンズ装置 |
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JP2005004350A (ja) * | 2003-06-10 | 2005-01-06 | Sony Ericsson Mobilecommunications Japan Inc | リソース管理方法及び装置、リソース管理プログラム、記憶媒体 |
JP4460560B2 (ja) * | 2006-09-29 | 2010-05-12 | 富士フイルム株式会社 | 撮像装置及び撮影方法 |
-
2012
- 2012-06-21 WO PCT/JP2012/065841 patent/WO2013015052A1/ja active Application Filing
- 2012-06-21 JP JP2013525632A patent/JP5782517B2/ja not_active Expired - Fee Related
- 2012-06-21 EP EP12817700.3A patent/EP2739032B1/en not_active Not-in-force
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2014
- 2014-01-27 US US14/164,921 patent/US9106777B2/en not_active Expired - Fee Related
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JPH0799599A (ja) | 1993-09-27 | 1995-04-11 | Canon Inc | テレビレンズ装置 |
JP2002157111A (ja) * | 2000-09-11 | 2002-05-31 | Fuji Photo Film Co Ltd | 画像制御装置およびその制御方法ならびにディジタルカメラ |
JP2003132007A (ja) * | 2001-10-22 | 2003-05-09 | Fuji Photo Film Co Ltd | バス制御方法及び装置並びにデジタルカメラ |
JP2005151475A (ja) * | 2003-11-19 | 2005-06-09 | Kyocera Corp | 撮像装置 |
JP2006054918A (ja) * | 2005-09-21 | 2006-02-23 | Hitachi Kokusai Electric Inc | カメラ |
JP2010015131A (ja) | 2008-05-16 | 2010-01-21 | Panasonic Corp | カメラ本体、交換レンズ、撮像装置 |
JP2010140290A (ja) | 2008-12-12 | 2010-06-24 | Panasonic Corp | マルチプロセッサシステム及びその排他制御の調停方法 |
JP2011065607A (ja) * | 2009-09-18 | 2011-03-31 | Keyence Corp | 光学的情報読取装置 |
JP2011112700A (ja) | 2009-11-24 | 2011-06-09 | Nikon Corp | レンズ交換式カメラボディおよび交換レンズ |
Non-Patent Citations (1)
Title |
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See also references of EP2739032A4 |
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US20140139691A1 (en) | 2014-05-22 |
US9106777B2 (en) | 2015-08-11 |
JPWO2013015052A1 (ja) | 2015-02-23 |
EP2739032A1 (en) | 2014-06-04 |
EP2739032B1 (en) | 2016-12-07 |
JP5782517B2 (ja) | 2015-09-24 |
EP2739032A4 (en) | 2015-04-01 |
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