CN102427508A - Device and method for wirelessly controlling working condition and parameters of camera - Google Patents
Device and method for wirelessly controlling working condition and parameters of camera Download PDFInfo
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- CN102427508A CN102427508A CN2011103085671A CN201110308567A CN102427508A CN 102427508 A CN102427508 A CN 102427508A CN 2011103085671 A CN2011103085671 A CN 2011103085671A CN 201110308567 A CN201110308567 A CN 201110308567A CN 102427508 A CN102427508 A CN 102427508A
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Abstract
The invention provides a device and control method for realizing long-distance wireless control and adjusting working condition and parameters of a camera by a USB transceiver connected with a computer and a wireless transceiver connected with the digital camera. The device comprises the computer, the USB transceiver, the digital camera and the wireless transceiver, wherein the USB transceiver is connected with the computer by an USB interface; the wireless transceiver is connected with a digital camera through a USB data line, or is simultaneously connected with a shutter interface of the camera through a shutter release. A RF (Radio Frequency) transceiving unit for finishing wireless transmission is arranged in the device and transmits instructions of a camera to the digital camera, thereby regulating and controlling the working condition and parameters of the camera; and the RF (Radio Frequency) transceiving unit also can timely transmit the adjusted data to the computer, thereby the control on the working condition and parameters of one or a plurality of digital cameras and the photographing work are realized, and the function of real-time framing is realized; and therefore, the came is particularly suitable for the photographing work needing to be remotely controlled in the open, photostudios, large scenes and the like.
Description
Technical field
Application of the present invention relates to the device and method of a kind of controlled in wireless camera operating state and parameter; Specifically relate to a kind of remote wireless control and the device and method of regulating the camera running parameter that realizes the logarithmic code camera through USB transceiver that is connected with computer and the wireless transceiver that is connected with camera, belong to photography auxiliary equipment technical field.
Background technology
Along with the development of numeral science and technology, digital camera has got into daily life and every field such as industry, traffic, monitoring.At present, the Long-distance Control of digital camera mainly is connected and transfer of data with computer realization through the usb data line.Its shortcoming mainly is that communication distance is short, generally only supports 5 meters with interior connection, can only satisfy short-range control.In the camera work or commercial Application of specialty; Usually need digital camera be placed on position far away; And photograph or the computer monitored at the other end, distance is far away usually, can't control with the operating state and the parameter of traditional line traffic control mode logarithmic code camera.
In addition; Photo sometimes in order to obtain to want; Need regulate a plurality of running parameters of camera; Comprise aperture size, shutter speed, focal length, ISO, WB, metering mode, contextual model or the like camera running parameter, to the accurate adjusting of these parameters to the image quality important influence; In addition, in reality, usually need check or monitor the picture that camera is intended record through computer screen; Promptly realize the function of live view (being Live View); Live view be the mode of utilizing electronic viewfinding through display come to the picture that gets into camera carry out real-time, observe dynamically and absorb, can accomplish " observing, " on one side Yi Bian take pictures; This has great significance for dynamic personage of timely candid photograph or scenery; And record also need carried out in time, capture accurately or grab to the realization of live view function through computer, and these all need carry out control promptly and accurately through the operating state of computer logarithmic code camera.
Summary of the invention
The present patent application promptly is to the remote effectively defective of the apparatus and method of regulation and control of the shortage that in camera is controlled, exists at present, and the devices and methods therefor that carries out long distance wireless adjusting and control by the duty and the parameter of computer logarithmic code camera is provided.
One of purpose of application of the present invention provides the device of a kind of controlled in wireless camera operating state and parameter, and this purpose is to realize through following technical scheme:
Specifically, the device of described a kind of controlled in wireless camera operating state of application of the present invention and parameter comprises computer, USB transceiver, digital camera and wireless transceiver, wherein,
1, the USB transceiver is connected with USB interface of computer, and wireless transceiver is connected with digital camera realizes transfer of data;
2; The USB transceiver comprises USB interface; The USB converting unit; Central processing unit; The RF Transmit-Receive Unit; Display unit; Memory cell and power subsystem; Wherein, The USB converting unit is connected with central processing unit with computer; Being used for USB instruction transformation with computer becomes instruction that central processing unit can discern and handles after the RF Transmit-Receive Unit is sent to wireless transceiver through central processing unit; Same; The RF Transmit-Receive Unit has received the information that the wireless transceiver feedback is come; Handle after the USB converting unit converts the discernible usb data of computer to through central processing unit; Be transferred to computer then; Power subsystem is supplied power by USB interface of computer; And and central processing unit; The USB converting unit is connected with the RF Transmit-Receive Unit and to its power supply; Display unit is connected with central processing unit and accepts its control; Be used to show the duty of USB transceiver; Memory cell is connected with central processing unit, is used to realize two-way storage and transfers;
3, wireless transceiver comprises RF Transmit-Receive Unit, central processing unit, USB converting unit, USB interface, power subsystem, output unit, memory cell, push-button unit and display unit, and wherein, the RF Transmit-Receive Unit is used for receiving the instruction that the RF Transmit-Receive Unit of USB transceiver sends; And sending it to central processing unit, central processing unit will instruct and convert the USB instruction that digital camera can be discerned into through the USB converting unit, and this instruction is sent to digital camera; Same; Digital camera with self working state and parameter through the USB converting unit convert into central processing unit can recognition data after, handle through central processing unit, and this operating state and parameter be sent to the USB transceiver through the RF Transmit-Receive Unit; Power subsystem is connected with RF Transmit-Receive Unit, central processing unit and USB converting unit; And respectively to its power supply, display unit is connected with central processing unit and accepts its control, is used for the operating state and the parameter of display radio transceiver; Memory cell is connected with central processing unit; Be used to realize two-way storage and transfer that push-button unit is connected with central processing unit, is used for instruction directly is sent to central processing unit; Output unit is controlled the focusing and the shooting of digital camera through the fast door interface of cable release connection digital camera.
Further, in the said device, wireless transceiver is connected with digital camera through the usb data line, is used to realize bidirectional data transfers and the logarithmic code camera operating state and the parameter control of wireless transceiver and digital camera.
Further, wireless transceiver can also be connected with the fast door interface of digital camera through cable release, is used to realize the focusing of logarithmic code camera and the control of shooting.
In the said device, the central processing unit in USB transceiver and wireless transceiver is single-chip microcomputer.
In the said device, the display unit in the USB transceiver is an indicator light, the operating state of indication USB transceiver.
In the said device, the display unit in wireless transceiver is indicator light or display screen, the operating state of display radio transceiver and running parameter.
In the said device, the push-button unit in the wireless transceiver is an operating key, directly sends order to central processing unit through pressing operating key, the running parameter of control wireless transceiver.
Another purpose of application of the present invention provides the method that the operating state of utilizing said apparatus logarithmic code camera and parameter and photography are controlled.
Specifically, described method comprises following step:
1) the USB transceiver is inserted in the USB interface of computer, wireless transceiver is connected with digital camera usb data interface through the usb data line, also can be connected with the fast door interface of digital camera through the camera shutter line;
2) will instruct the input computer; This instruction is changed by the USB converting unit and after central processing unit is handled, is sent by the RF Transmit-Receive Unit; The RF Transmit-Receive Unit is in accepting state under normal conditions; When central processing unit sends order; This RF Transmit-Receive Unit is in the transmission state, and transmission is returned accepting state after accomplishing immediately;
3) instruction of computer is after the USB transceiver sends; Receive with the RF Transmit-Receive Unit in the wireless transceiver that digital camera is connected; Instruction after the reception is handled through central processing unit; And convert the USB instruction that digital camera can discern to through the USB converting unit; Through USB interface this instruction is sent to digital camera then, digital camera carries out the adjustment of duty control and parameter based on the USB instruction that receives;
4) after digital camera is adjusted running parameter; This USB parameter is sent back wireless transceiver through USB interface; And be converted to the parameter that wireless transceiver can be discerned through the USB converting unit; Central processing unit is sent to the USB transceiver that is connected with computer with this parameter through the RF Transmit-Receive Unit then; Also be accepting state under the common state of this RF transceiver; After the order that receives central processing unit sends parameter, return accepting state again immediately;
5) running parameter of digital camera is after the USB transceiver receives; Handle through central processing unit; And be converted to the USB parameter that computer can be discerned through the USB converting unit; Send computer again to; On computer screen, show the running parameter of this adjusted digital camera, thereby realize the adjustment of computer logarithmic code camera running parameter;
6) when the needs digital camera is taken pictures, computer should be ordered and was sent to digital camera through said method, and focusing that the digital camera basis receives or shooting instruction completion focusing or shooting are moved; Should instruct simultaneously through output unit output, also can be through connecting cable release, output unit is accomplished shooting to realize the control of logarithmic code camera through the work of cable release control digital camera shutter.
Further, described digital camera operating state and parameter comprise shutter speed, aperture size, ISO size, zoom number, WB, exposure compensating, live view, focusing and shooting.
Further, the number of said wireless transceiver can be connected with the digital camera that is placed on diverse location respectively for one or more, in the instruction of computer, has also comprised at least the sign indicating number order, to realize the regulation and control to the different radio transceiver.
The described device and method of application of the present invention; Can realize remote regulation and control for camera operating state and parameter; Thereby help realizing candid photograph, be specially adapted to the camera work that field, film studio and large-scale scene etc. need remote control control scenery from different angles.
Description of drawings
Fig. 1 is that the function of application USB transceiver of the present invention connects block diagram;
Fig. 2 is that the function of application wireless transceiver of the present invention connects block diagram;
Fig. 3 is the computer-controlled logic diagram of application of the present invention;
Fig. 4 is the logic diagram of application USB transceiver of the present invention work;
Fig. 5 is the logic diagram of application wireless transceiver control camera of the present invention work.
Embodiment
Below in conjunction with accompanying drawing; Device and method to application of the present invention described controlled in wireless camera operating state and parameter is described; Be convenient to public understanding technology contents of the present invention, in identical with application of the present invention or approximate principle, the improvement that said device is carried out; To realize identical purpose, all within application of the present invention technical scheme required for protection.
Embodiment one
The device of controlled in wireless camera operating state and parameter (single digital camera)
The device of application of the present invention described controlled in wireless camera operating state and parameter; Comprise computer, USB transceiver, digital camera and wireless transceiver; In the present embodiment, the USB transceiver directly inserts USB interface of computer and connects, and wireless transceiver passes through the usb data line or/and cable release is connected with digital camera; But do not get rid of other possible connected modes yet, be used for realizing that wireless transceiver and digital camera carry out two-way transfer of data and shooting work; As shown in Figure 1; USB transceiver 10 comprises usb 1 13, USB converting unit 103, central processing unit 101, RF Transmit-Receive Unit 105, display unit 107, memory cell 109 and power subsystem 111; USB converting unit 103 is connected with the USB interface 203 of computer 20 through usb 1 13; And be connected with computer CPU 201; The power supply of power subsystem 111 is also from the USB interface 203 of computer 20, and power subsystem 111 is connected with central processing unit 101, USB converting unit 103 and RF Transmit-Receive Unit 105, to its power supply; Central processing unit 101 is connected respectively with RF Transmit-Receive Unit 105, display unit 107 and memory cell 109, and wherein, display unit 107 is a relay indicating light, is used to show the operating state of USB transceiver 10.
As shown in Figure 2; Wireless transceiver 30 comprises RF Transmit-Receive Unit 305, central processing unit 301, USB converting unit 303, USB interface 313, power subsystem 311, output unit 317, memory cell 309, push-button unit 315 and display unit 307; RF Transmit-Receive Unit 305 is connected with central processing unit 301; Power subsystem 311 is connected with RF Transmit-Receive Unit 305, central processing unit 301 and USB converting unit 303 respectively and to its power supply; Simultaneously, central processing unit 301 also is connected with output unit 317, memory cell 309, push-button unit 315 and display unit 307 respectively, and display unit 307 is relay indicating light or display screen; The operating state and the running parameter that are used for the display radio transceiver; USB converting unit 303 is connected with digital camera 40 through USB interface 313, is connected with digital camera USB interface 403 through USB interface 313, the instruction of the regulation and control of computer logarithmic code camera operating state and parameter and logarithmic code camera shooting work is sent to the central processing unit 401 of digital camera; Output unit 317 can be connected with the fast door interface of digital camera through cable release, is used for controlling under special circumstances the shooting work of digital camera.
Embodiment two
The device of controlled in wireless camera operating state and parameter (a plurality of digital camera)
Same; Principle and structure according to embodiment one; Can regulate and control respectively a plurality of digital cameras; In fact, can realize this function through a plurality of wireless transceivers that are connected with the digital camera that is positioned at diverse location respectively, the structure of each wireless transceiver all with embodiment one in the structure of wireless transceiver identical.In the instruction of computer, promptly comprised to the different radio transceiver to code instruction, thereby realize the adjustment of diverse location digital camera operating state and parameter and the control of the work of shooting.
Embodiment three
The method of controlled in wireless camera operating state and parameter (single digital camera)
Application of the present invention also provides the operating state of utilizing above-mentioned device logarithmic code camera and the method that parameter is controlled, and in conjunction with Fig. 1-5, described method comprises following step:
1. USB transceiver 10 is inserted in the USB interface 203 of computer 20; Wireless transceiver 30 is connected with the USB interface 403 of digital camera 40 through the usb data line; Can also be connected with the fast door interface of digital camera through cable release; Under the normality, the RF Transmit-Receive Unit of USB transceiver and wireless transceiver all is in accepting state, and respective display unit (relay indicating light) is carried out the indication of operating state;
2. will instruct (for example can be the value that the requirement digital camera is upwards heightened one-level ISO) to import computer; This instruction is sent to USB transceiver 10 by computer USB interface 203 and changes through USB converting unit 103; And, sends by central processing unit 101 after handling by RF Transmit-Receive Unit 105; When central processing unit 101 sends order; RF Transmit-Receive Unit 105 is activated as the transmission state, and transmission is returned accepting state after accomplishing immediately;
3. the instruction of computer is after USB transceiver 10 sends; Receive with the RF Transmit-Receive Unit 305 in the wireless transceiver 30 that digital camera 40 is connected; Instruction after the reception is handled through central processing unit 301; And convert the instruction that digital camera 40 can be discerned to through USB converting unit 303, through USB interface 313 this instruction is sent to the USB interface 403 of digital camera 40 then, and then is sent to the central processing unit 401 of digital camera; Digital camera 40 carries out the adjustment (for example the value of ISO being heightened one-level, is 200 to transfer to 400 by ISO) of running parameter according to the instruction of computer;
4. after digital camera 40 is adjusted running parameter; This parameter is sent back wireless transceiver 30 through USB interface; After USB converting unit 303; This parameter is sent to central processing unit 101 to be handled; This parameter is sent to the USB transceiver 10 that is connected with computer 20 through RF Transmit-Receive Unit 305 then; Under these RF Transmit-Receive Unit 305 common states also is accepting state, after the order that receives central processing unit 301 sends parameter, returns accepting state again immediately;
5. the running parameter of digital camera 40 is after USB transceiver 10 receives; Handle through central processing unit 101; And convert the USB parameter that computer 20 can be discerned into through USB converting unit 103; Send computer 20 again to, on computer screen, show the running parameter (for example showing that the value with ISO transfers to 400) of this adjusted digital camera, thereby realize the adjustment of computer logarithmic code camera running parameter;
6. when the needs digital camera is taken pictures; Computer 20 is according to above-mentioned principle and step; Should order by USB transceiver 10 and wireless transceiver 30 and be sent to digital camera 40, focusing that digital camera 40 bases receive or shooting instruction completion focusing or shooting are moved; Wireless transceiver 30 should instruct through output unit 317 outputs simultaneously, and output unit 317 is by the fast door interface of cable release connection digital camera, and the focusing and the shooting of digital camera are controlled in the work of control digital camera shutter, to realize the control of logarithmic code camera.
In above-mentioned control method, computer can realize that the logarithmic code camera carries out the function of live view (LV), after digital camera lens is opened; Imageing sensor (comprising CCD or CMOS) sends back computer with data message, shows through display screen, simultaneously; Utilize the operating state and the parameter of computer logarithmic code camera to regulate, obtain required effect, send photographing instruction then; This instruction is sent to digital camera through usb data line or camera shutter line, lets digital camera accomplish shooting work.
Embodiment four
The method of controlled in wireless camera operating state and parameter (a plurality of digital camera)
Described control method and embodiment three are approximate; The difference part is to have a plurality of wireless transceivers to be connected with a plurality of digital cameras respectively; In the instruction of computer; Comprised to the different radio transceiver to code instruction, can control operating state and the parameter of different cameral and different cameras is carried out shooting work, thus the needs of accomplishing regulation and control and taking.
Claims (10)
1. the device of controlled in wireless camera operating state and parameter, it is characterized in that: described device comprises computer, USB transceiver, digital camera and wireless transceiver, wherein,
1) the USB transceiver is connected with USB interface of computer, and wireless transceiver is connected with digital camera realizes transfer of data;
2) the USB transceiver comprises USB interface; The USB converting unit; Central processing unit; The RF Transmit-Receive Unit; Display unit; Memory cell and power subsystem; Wherein, The USB converting unit is connected with central processing unit with computer; Being used for USB instruction transformation with computer becomes instruction that central processing unit can discern and handles after the RF Transmit-Receive Unit is sent to wireless transceiver through central processing unit; Same; The RF Transmit-Receive Unit has received the information that the wireless transceiver feedback is come; Handle after the USB converting unit converts the discernible usb data of computer to through central processing unit; Be transferred to computer then; Power subsystem is supplied power by USB interface of computer; And and central processing unit; The USB converting unit is connected with the RF Transmit-Receive Unit and to its power supply; Display unit is connected with central processing unit and accepts its control; Be used to show the duty of USB transceiver; Memory cell is connected with central processing unit, is used to realize two-way storage and transfers;
3) wireless transceiver comprises RF Transmit-Receive Unit, central processing unit, USB converting unit, USB interface, power subsystem, output unit, memory cell, push-button unit and display unit, and wherein, the RF Transmit-Receive Unit is used for receiving the instruction that the RF Transmit-Receive Unit of USB transceiver sends; And sending it to central processing unit, central processing unit will instruct and convert the USB instruction that digital camera can be discerned into through the USB converting unit, and this instruction is sent to digital camera; Same; Digital camera with self working state and parameter through the USB converting unit convert into central processing unit can recognition data after, handle through central processing unit, and this operating state and parameter be sent to the USB transceiver through the RF Transmit-Receive Unit; Power subsystem is connected with RF Transmit-Receive Unit, central processing unit and USB converting unit; And respectively to its power supply, display unit is connected with central processing unit and accepts its control, is used for the operating state and the parameter of display radio transceiver; Memory cell is connected with central processing unit; Be used to realize two-way storage and transfer that push-button unit is connected with central processing unit, is used for instruction directly is sent to central processing unit; Output unit is controlled the focusing and the shooting of digital camera through the fast door interface of cable release connection digital camera.
2. device according to claim 1; It is characterized in that: in the said device; Wireless transceiver is connected with digital camera through the usb data line, is used to realize bidirectional data transfers and the logarithmic code camera operating state and the parameter control of wireless transceiver and digital camera.
3. based on the described device of claim 2, it is characterized in that: in the said device, wireless transceiver can also be connected with the fast door interface of digital camera through cable release, is used to realize the focusing of logarithmic code camera and the control of shooting.
4. device according to claim 1 is characterized in that: in the said device, the central processing unit in USB transceiver and wireless transceiver is single-chip microcomputer.
5. device according to claim 1 is characterized in that: in the said device, the display unit in the USB transceiver is an indicator light, the operating state of indication USB transceiver.
6. device according to claim 1 is characterized in that: in the said device, the display unit in wireless transceiver is indicator light or display screen, the operating state of display radio transceiver and running parameter.
7. based on the described device of claim 1, it is characterized in that: in the said device, the input block in the wireless transceiver is an operating key, directly sends order to central processing unit through pressing operating key, the running parameter of control wireless transceiver.
8. utilize the operating state of the described device logarithmic code of claim 1 camera and the method that parameter is controlled, it is characterized in that: described method comprises following step:
1) the USB transceiver is inserted in the USB interface of computer, wireless transceiver is connected with digital camera usb data interface through the usb data line, also can be connected with the fast door interface of digital camera through cable release;
2) will instruct the input computer; This instruction is changed by the USB converting unit and after central processing unit is handled, is sent by the RF Transmit-Receive Unit; The RF Transmit-Receive Unit is in accepting state under normal conditions; When central processing unit sends order; This RF Transmit-Receive Unit is in the transmission state, and transmission is returned accepting state after accomplishing immediately;
3) instruction of computer is after the USB transceiver sends; Receive with the RF Transmit-Receive Unit in the wireless transceiver that digital camera is connected; Instruction after the reception is handled through central processing unit; And convert the USB instruction that digital camera can discern to through the USB converting unit; Through USB interface this instruction is sent to digital camera then, digital camera is based on USB instruction the carrying out adjustment of duty and parameter that receives;
4) after digital camera is adjusted running parameter; This USB parameter is sent back wireless transceiver through USB interface; And be converted to the parameter that wireless transceiver can be discerned through the USB converting unit; Central processing unit is sent to the USB transceiver that is connected with computer with this parameter through the RF Transmit-Receive Unit then; Also be accepting state under the common state of this RF transceiver; After the order that receives central processing unit sends parameter, return accepting state again immediately;
5) running parameter of digital camera is after the USB transceiver receives; Handle through central processing unit; And be converted to the USB parameter that computer can be discerned through the USB converting unit; Send computer again to; On computer screen, show the running parameter of this adjusted digital camera, thereby realize the adjustment of computer logarithmic code camera running parameter;
6) when the needs digital camera is taken pictures, computer should be ordered and was sent to digital camera through said method, and focusing that the digital camera basis receives or shooting instruction completion focusing or shooting are moved; Should instruct simultaneously through output unit output, also can be through connecting cable release, output unit is accomplished focusing or is taken action through the work of cable release control digital camera shutter.
9. method according to claim 8 is characterized in that: described digital camera operating state and parameter comprise shutter speed, aperture size, ISO size, zoom number, WB, exposure compensating, live view, focusing and shooting.
10. method according to claim 8; It is characterized in that: the number of said wireless transceiver can be for one or more; Be connected with the digital camera that is placed on diverse location respectively, in the instruction of computer, also comprised at least the sign indicating number order, to realize regulation and control to the different radio transceiver.
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| CN2011103085671A CN102427508A (en) | 2011-10-12 | 2011-10-12 | Device and method for wirelessly controlling working condition and parameters of camera |
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| CN2011103085671A CN102427508A (en) | 2011-10-12 | 2011-10-12 | Device and method for wirelessly controlling working condition and parameters of camera |
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