CN103248803A - Digital camera - Google Patents
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- CN103248803A CN103248803A CN2013100423675A CN201310042367A CN103248803A CN 103248803 A CN103248803 A CN 103248803A CN 2013100423675 A CN2013100423675 A CN 2013100423675A CN 201310042367 A CN201310042367 A CN 201310042367A CN 103248803 A CN103248803 A CN 103248803A
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Abstract
The present invention provides a digital camera which can continue dynamic image photographing without worry for noise from a zooming flash lamp in dynamic image photographing. The digital camera with a static image photographing mode and a dynamic image photographing mode is provided with the following components: a photographing lens (305) with a zooming lens; a flash lamp (200) which is provided with first auxiliary light units (207,209) that can vary illuminating light emitted in static image photographing, and second auxiliary light units (223,213) that fix illuminating angle of the light emitted in dynamic image photographing; and a camera controller (101) which varies illuminating angle of the first auxiliary light units according to focal length of the zooming lens in the static image photographing mode, and does not vary the illuminating angle of the first auxiliary light units in the dynamic image photographing mode even when the focal length of the zooming lens is varied.
Description
Technical field
The present invention relates to can be built-in or the digital camera of the light-emitting device with zoom flash lamp is installed.
Background technology
Under the darker situation of subject, adopted the light-emitting device that is used for irradiating illumination light.In addition, as phtographic lens, the situation with the variable zoom lens of focal length is increasing.Known have a following camera: have under the camera of zoom lens and the situation that light-emitting device is taken in combination, if focal length variations then camera coverage (angle of visual field) change, therefore change the illumination angle (for example patent documentation 1) of light-emitting device in linkage with zoom.
[patent documentation 1] Japanese kokai publication hei 5-130495 communique
Summary of the invention
In above-mentioned patent documentation 1 disclosed camera, can switch still image photography and dynamic image and photograph and photograph.In addition, by utilizing motor-driven discharge tube and reflecting umbrella etc. to carry out the change of the illumination angle of zoom flash lamp.When this drives, produce driving sound, and under the situation of still image photography, motor stops and not producing driving sound when photography, so driving sound can not become problem.
But, under the situation of dynamic image photography, when dynamic image is photographed, also carry out zoom sometimes, with its interlock, follow light-emitting device illumination angle change and produce the noise that driving sound etc. causes.When dynamic image was photographed, general record was from the sound of subject, for example voice, the ambient sound related with subject, when dynamic image is photographed, follow light-emitting device illumination angle change and the driving sound of motor etc. is recorded as noise.
The present invention finishes in light of this situation, even its purpose is to provide a kind of digital camera of also can not worrying proceeding from the noise of zoom flash lamp the dynamic image photography when dynamic image is photographed.
Digital camera of the present invention has still image photograph mode and dynamic image photograph mode, and this digital camera is characterised in that to have: zoom lens; Imaging circuit, its picture with the subject that above-mentioned zoom lens forms is converted to the signal of telecommunication; Display part, its live view that carries out subject according to above-said current signal shows; Controller, it generates and the record static image data according to above-said current signal under above-mentioned still image photograph mode, under above-mentioned dynamic image photograph mode, generates and the record dynamic image data according to above-said current signal; And photoflash lamp, the 2nd fill-in light unit that it has the 1st fill-in light unit that can change the irradiates light that sends when still image is photographed and fixed the illumination angle of the light that sends when dynamic image is photographed, above-mentioned controller is under above-mentioned still image photograph mode, change the illumination angle of above-mentioned the 1st fill-in light unit according to the focal length of above-mentioned zoom lens, under above-mentioned dynamic image photograph mode, even change the illumination angle that the focal length of above-mentioned zoom lens does not change above-mentioned the 1st fill-in light unit yet.
In above-mentioned digital camera, above-mentioned the 1st fill-in light unit uses Xe pipe irradiation subject, and above-mentioned the 2nd fill-in light unit uses light-emitting diode irradiation subject.
In above-mentioned digital camera, the ratio of width to height of the live view that above-mentioned display part is shown is set to 4:3 or 3:2 under the situation of having selected above-mentioned still image photograph mode, be set to 16:9 under the situation of having selected above-mentioned dynamic image photograph mode.
In above-mentioned digital camera, above-mentioned photoflash lamp can carry out dismounting at the camera body of above-mentioned digital camera.
In above-mentioned digital camera, above-mentioned digital camera has the recording start of the above-mentioned dynamic image data of indication and the switch that record stops, even above-mentioned controller is selecting above-mentioned dynamic image photograph mode also not carry out under the situation of record of the dynamic image data corresponding with the operation of this switch, come the illumination angle of above-mentioned the 1st fill-in light unit is changed according to the change of the focal length of above-mentioned zoom lens.
In above-mentioned digital camera, built-in microphone; And connector of microphone, above-mentioned controller is externally under microphone and the situation that above-mentioned connector of microphone is connected, has precedence over the output of built-in microphone and the speech data that records with dynamic image data according to the output generation of this external speaker.
According to the present invention, even a kind of digital camera of also can not worrying proceeding from the noise of zoom flash lamp the dynamic image photography when dynamic image is photographed can be provided.
Description of drawings
Fig. 1 is the block diagram of main electrical structure that the digital camera of embodiments of the present invention is shown.
Fig. 2 is the flow chart of action of still image photograph mode that the digital camera of embodiments of the present invention is shown.
Fig. 3 is the flow chart of action of dynamic image photograph mode that the digital camera of embodiments of the present invention is shown.
Fig. 4 is the flow chart of action of photoflash lamp control that the digital camera of embodiments of the present invention is shown.
Fig. 5 is the flow chart of action of camera lens control that the digital camera of embodiments of the present invention is shown.
Label declaration
100: camera body; 101: controller of camera; 101a:CPU; 101b: image processing circuit; 101c: compression/decompression circuit; 101d: focus detection circuit; 101e: telecommunication circuit; 103: imaging circuit; 105: shutter; 107: tripper; 109: the camera display part; 111: storage medium; 113: nonvolatile memory; 115: volatile memory; 117: the camera operation parts; 117a: mains switch; 117b: go up switch; 117c: following switch; 117d: dynamically/static diverter switch; 117e: the 1st release-push; 117f: the 2nd release-push; 117g: dynamic image record switch; 119: the camera power circuit; 121: battery C; 123: speech processing circuit; 125: built-in microphone; 131: the photoflash lamp connector; 133: bayonet connector; 135: connector of microphone; 200: photoflash lamp; 201: photoflash lamp control computer; 203: booster circuit; 205: emission control circuit; The 207:Xe pipe; 209: movable diffusing lens; 211: actuator; 213: photoflash lamp illumination angle controlling organization; The 221:LED drive circuit; 223:LED; 225: diffusing lens; 231: the photoflash lamp display part; 233: the flash operation parts; 235: the flash generator circuit; 237: battery S.
Embodiment
Below, used camera arrangement of the present invention according to the accompanying drawing use preferred implementation has been described.The camera of the camera arrangement of preferred implementation of the present invention is digital camera, this digital camera can enough still image photograph modes and dynamic image photograph in these two patterns any one make a video recording.The optical image that zoom lens is formed is converted to the signal of telecommunication, and the controller 101 in the digital camera generates under the situation of still image photograph mode and records static image data, generates under the situation of dynamic image photograph mode and the record dynamic image data.
In addition, this digital camera can be installed photoflash lamp, and this photoflash lamp is according to the focal length change illumination angle of zoom lens.But when dynamic image was photographed, fixedly illumination angle prevented the generation of driving sound.And this digital camera is selected any one in internal microphone and the external microphone, obtains voice and becomes speech data next life.And this speech data can be with the dynamic image data record.
Fig. 1 is the block diagram of main electrical structure that the camera arrangement of embodiments of the present invention is shown.This camera arrangement by camera body 100, on this camera freely photoflash lamp 200 of dismounting, change camera lens 300 and external speaker 400 constitutes.In addition, photoflash lamp 200 can be assembled into camera body 100 certainly and be made as one.Equally, changing camera lens 300 and external speaker 400 also can be assembled into camera body 100 and be made as one.
Optical axis at phtographic lens 305 described later disposes imaging apparatus, and this imaging apparatus is arranged in the imaging circuit 103.Imaging apparatus is CCD(Charge Coupled Device: charge coupled device) imageing sensor or CMOS(Complementary Metal Oxide Semiconductor: solid-state imager such as imageing sensor complementary metal oxide semiconductors (CMOS)), imaging circuit 103 will be converted to the signal of telecommunication (view data) by the optical image that phtographic lens 305 forms, and this signal of telecommunication is outputed to controller 101.On the optical axis of phtographic lens 305 and and imaging apparatus between, dispose shutter 105, the driving by tripper 107 opens and closes shutter 105, carries out the switching of optical image thus.
Tripper 107 is connected with controller 101, drives shutter 105 according to the control signal of coming self-controller 101.In controller 101, comprise CPU(Central Processing Unit: CPU) 101a, image processing circuit 101b, compression/decompression circuit 101c, focus detection circuit 101d and telecommunication circuit 101e.
CPU101a is according to the program that is stored in the nonvolatile memory 113 described later, to image processing circuit 101b, compression/decompression circuit 101c, focus detection circuit 101d, the telecommunication circuit 101e of controller 101 inside, the peripheral circuit that is connected with the outside of controller 101 and the annex that is connected with camera body 100 are controlled.That is, utilize the effect of CPU101a, controller 101 becomes the controller of unified control camera arrangement.
Compression/decompression circuit 101c carries out being handled by the compression of the static image data of image processing circuit 101b generation and dynamic image data.In addition, carry out static image data that storage medium 111 described later records and the decompression of dynamic image data.
Telecommunication circuit 101e communicates via the photoflash lamp control computer 201 of photoflash lamp connector 131 with the photoflash lamp 200 that is installed on camera body 100.Equally, communicate via bayonet connector 133 and the camera lens control computer of changing in the camera lens 300 301, also communicate via connector of microphone 135 and external microphone 401.
111 pairs of storage mediums (storage card) are obtained by imaging circuit 103, and the still image after being handled by image processing circuit 101b, compression/decompression circuit 101c or the view data of dynamic image are carried out record.In addition, when the dynamic image photograph mode, also record the speech data of obtaining from built-in microphone 125 or external microphone 401 in the lump with the view data of dynamic image.Being not limited to install in camera body 100 storage card freely, also can be built-in storage medium.
Read-only memory) nonvolatile memory 113 is flash ROM(Ready Only Memory: the memory of electrically-erasable etc. such as, storage is used for the program carried out by CPU101a as mentioned above.In addition, except program, also store various adjusted values etc.Synchronous Dynamic Random Access Memory) dynamic random access memory) or SDRAM(Synchronous Dynamic Random Access Memory volatile memory 115 is DRAM(Dynamic Random Access Memory:: the memory of electrically-erasable such as.Volatile memory 115 is used as the memory cell of the required data of the memory cell of temporary transient storing image data or temporary transient storage execute program.
Dynamic/static diverter switch 117d in the camera operation parts 117 is the switch of operating when switching dynamic image photograph mode and still image photograph mode.To use Fig. 2 to describe the action of the controller 101 under the still image photograph mode afterwards.Also will use Fig. 3 to describe the action of the controller 101 under the dynamic image photograph mode afterwards.The 1st release-push 117e and the 2nd release-push 117f are the switches of connecting according to the operation of release-push, the 1st release-push 117e connects when partly pressing release-push, and the 1st release-push 117e and the 2nd release-push 117f all connect when pressing release-push entirely.
Dynamic images record switch 117g in the camera operation parts 117 are used to indicate the beginning of operation of recording of dynamic image data and speech data and the switch that stops of operation of recording.This switch is according to the operation of dynamic image record button (not shown) and on/off.When the user begins the record of dynamic image, connect dynamic image record button (dynamic image record switch 117g at the fixed time during connect) in the given time.Controller 101 begins the operation of recording of dynamic images thus.After the record of beginning dynamic image, even stop the operation (disconnecting dynamic image record switch 117g) of dynamic image record button, also keep the operation of recording of dynamic image.Behind the recording start of dynamic image, when carrying out the operation of dynamic image start button again (dynamic image record switch 117g at the fixed time during connect), stop the operation of recording of dynamic image.
Battery C121 is the battery that the power supply in the camera arrangement is supplied with usefulness, is connected with camera power circuit 119, and via camera power circuit 119 supply voltage is provided to camera body 100, changes camera lens 300 and external speaker 400.
Built-in microphone 125 will around speech conversion be the signal of telecommunication, and this voice telecommunication number is outputed to speech processing circuit 123.Speech processing circuit 123 carries out handling from the voice telecommunication of built-in microphone No. 125 with from the signal of the voice telecommunication of external speaker No. 400, and speech data is outputed to controller 101.Controller 101 during to recording medium 111, is also recording speech data with the Imagery Data Recording of dynamic image in the lump.Controller 101 is externally under microphone 400 and the situation that above-mentioned connector of microphone is connected, has precedence over the output of built-in microphone 125 and the speech data that records with dynamic image data according to the output generation of external speaker 400.
Changing camera lens 300 is the variable zoom lens of focal length, possesses the phtographic lens 305 that has focus lens 305b etc.Camera lens operating portion 311 is parts (zoom ring) of operating when the focal length of change phtographic lens 305.When the user operated camera lens functional unit 311, the relative position of part or all of the lens of formation phtographic lens 305 changed, thus focal length variations.
Camera lens control computer 301 is according to being arranged on nonvolatile memory (not shown) the institute program stored of changing in the camera lens, and changes control in the camera lens 300 according to the request of controller 101.Except above-mentioned focal length encoder 313, camera lens control computer 301 also is connected with aperture device 309, Focusing mechanism 303.Aperture device 309 is configured in the optical axis of phtographic lens 305, and the bore of aperture device 309 changes, and controls transmission light quantity thus.Focusing mechanism 303 drive in the phtographic lenses 305 to focus lens 305b, focus.
Dismounting is freely on camera body 100 for photoflash lamp 200.Photoflash lamp control computer 201 in the photoflash lamp 200 can communicate via photoflash lamp connector 131 and controller 101, according to the request control photoflash lamp 200 that comes self-controller 101.
Photoflash lamp 200 in the present embodiment has 2 unit that subject is thrown light on (fill-in light unit).The 1st fill-in light unit uses Xe pipe (xenon lamp) 207 as light-emitting component.The 1st fill-in light unit is used for the brightness of moment raising subject, uses when the photography of still image.The 2nd fill-in light unit use LED(light-emitting diode) 223 as light-emitting component.The 2nd fill-in light unit is used for improving continuously the brightness of subject, uses when the photography of dynamic image.Thus, the photoflash lamp portion of photoflash lamp 200 has: can change the light that when still image is photographed, sends angle (irradiating angle) the 1st fill-in light unit and fixed the 2nd fill-in light unit of the angle (irradiating angle) of the light that when dynamic image is photographed, sends.Light-emitting component is not limited to Xe pipe, light-emitting diode, can use the lamp of high brightness.
Main capacitor (not shown) in booster circuit 203 provides Xe to manage 207 luminous required electric energy.Booster circuit 203 receives the control command of photoflash lamps control computers 201, the voltage of battery S237 is boosted, thereby with electric charge accumulation in main capacitor.That it is begun is luminous by apply triggering signal to Xe pipe 207 for the emission control circuit 205 that is connected with booster circuit 203, and uses IGBT(Insulated Gate Bipolar Transistor: insulated gate bipolar transistor) wait switch element control to manage the quantity of electric charge that flows through in 207 at Xe.
The place ahead at Xe pipe 207 disposes movable diffusing lens 209, by the distance between photoflash lamp illumination angle controlling organization 213 these movable diffusing lens 209 of change and the Xe pipe 207.During this variable in distance, the range of exposures (irradiating angle) of managing 207 light that send from Xe changes.Photoflash lamp illumination angle controlling organization 213 comprises and drives the required actuator of movable diffusing lens 209, and the driving signal of actuator is provided by actuator control circuit 211.In addition, the structure of range of exposures change unit disclosed herein is an example, is not limited thereto, and for example can change the position of Xe pipe 207, can also change the position of the reflecting plate (not shown) of Xe pipe 207.
According to the control command of photoflash lamp control computer 201, provide the drive current of the illuminating LED223 that constitutes the 2nd fill-in light unit from led drive circuit 221.The range of exposures (irradiating angle) of the light that sends from LED223 is set by diffusing lens 225.Using under the situation of LED223 as fill-in light, mainly be in the dynamic image photography, also carrying out the record of voice this moment.Need prevent from sneaking into noise in the voice in the dynamic image record, not expect the mobile mechanical mechanism that produces voice noise.Therefore, in the present embodiment, be not provided for changing the mechanical mechanism of the range of exposures of LED223, therefore fixing diffusing lens 225 is fixed the range of exposures of LED223.
Photoflash lamp control computer 201 is connected with photoflash lamp display part 231, flash operation parts 233 and flash generator circuit 235.This photoflash lamp display part 231 carries out the various demonstrations of setting pattern of photoflash lamp etc.Flash operation parts 233 are used for operating photoflash lamp 200 by the user.Mains switch is for the action starting of control photoflash lamp 200 and the switch that stops.The pattern configuration switch is the switch for the Flash Mode of setting photoflash lamp 200 (for example automatic, manual etc.).
Battery S237 is the battery that the power supply in the photoflash lamp 200 is supplied with usefulness, is connected with flash generator circuit 235, via flash generator circuit 235 supply voltage is provided in the photoflash lamp 200.Because therefore photoflash lamp 200 possesses power supply alone because of luminous a large amount of consumed powers.
In the dismounting external speaker 400 freely, be provided with external microphone 401 on camera body 100, the voice telecommunication that will be obtained by external microphone 401 via connector of microphone 135 number outputs to speech processing circuit 123.
The disclosed camera arrangement of present embodiment can select any one conduct in the 1st and the 2nd microphone to be used for the microphone of input voice.Herein, the 1st microphone is the built-in microphone 125 that is built in the camera body 100.The 2nd microphone be as can be on camera body 100 microphone (external speaker 400) of dismounting annex freely.In the present embodiment, behind the external speaker of installing as the 2nd microphone 400, forbid importing from as the voice telecommunication of the built-in microphone 125 of the 1st microphone number.
Then, use Fig. 2 to the action of flowchart text the 1st execution mode of the present invention shown in Figure 5.In addition, Fig. 2 and flow chart shown in Figure 3 are carried out according to 115 program stored of nonvolatile memory by the CPU101a in the controller 101.
Camera arrangement in the present embodiment roughly has two patterns.One is the still image photograph mode that is suitable for the still image photography, and another is the dynamic image photograph mode that is suitable for the dynamic image photography.The user can select any one in two patterns by the dynamic/static diverter switch 117g in the operate camera functional unit 117.
When Fig. 2 is illustrated in the user and has selected the still image photograph mode, the flow process of the still image photograph mode that controller 101 is carried out.When entering into the flow process of this still image photograph mode, at first carry out initial setting (S100).In this initial setting, set the display mode of live view (live view).As the ratio of width to height of still image, general value is 4:3(or 3:2).In order to mate the ratio of width to height of the image of obtaining in order to carry out live view to show, the ratio of width to height of display frame also is set at 4:3.Obtain the view data corresponding with the ratio of width to height that sets from imaging circuit 103 with predetermined frame frequency (for example 30fps).This view data (signal of telecommunication) is outputed to camera display part 109 carry out the live view demonstration.Utilize this action, the user can observe the whole camera coverage of still image.
After carrying out initial setting, then carry out photoflash lamp communication (S102)., communicate action herein between camera body 100 and photoflash lamp 200, controller 101 permission photoflash lamp control computers 201 carry out the change action of illumination angle.After receiving this permission, photoflash lamp control computer 201 can be controlled range of exposures change unit (movable diffusing lens 209, actuator control circuit 211, photoflash lamp illumination angle controlling organization 213).
After carrying out photoflash lamp communication, then carry out camera lens communication (S104)., communicate action herein between camera body 100 and replacing camera lens 300, controller 101 is obtained shot information to 301 requests of camera lens control computer.After receiving this request, camera lens control computer 301 sends to controller 101 with shot information (for example type of camera lens (zoom lens, Macro Lens first-class), focal length data (encoder values), f-number etc.).
After carrying out camera lens communication, then carry out photoflash lamp communication (S106)., communicate between camera body 100 and photoflash lamp 200, controller 101 sends to photoflash lamp control computer 201 with control information herein.In this control information, comprise the information of the range of exposures of the expression photoflash lamp that the focal length data according to camera lens calculates.Photoflash controller 201 is according to this information control range of exposures change unit.The information of the change speed when in addition, control information also comprises the range of exposures of representing the change photoflash lamp.Photoflash lamp control computer 201 can be according to this control information, sets the actuating speed of the actuator that constitutes range of exposures change unit (driving the required actuator of movable diffusing lens 209).When speeding actuating speed, the voice noise of the machinery that produces from range of exposures change unit becomes big, and on the other hand, when slowing down actuating speed, the voice noise of the machinery that produces from range of exposures change unit diminishes.Can prevent the battery consumption of photoflash lamp 200 by suitable setting actuating speed.
Detecting under the preoperative holding state of release-push the action of controller 101 periodicity execution in step S104 and S106.When the user utilized this action to change the alter operation of the focal length of camera lens 300 (zoom action), corresponding to the focal length of phtographic lens 305, the irradiating angle of photoflash lamp 200 (range of exposures) changed.
Then, between camera body 100 and replacing camera lens 300, carry out camera lens communication operation (S108).Herein, the live view of the imaging apparatus from imaging circuit 103 is obtained the monochrome information of subject with image, and calculates the f-number of the aperture 307 of changing camera lens 300 according to monochrome information.This f-number that calculates is sent to camera lens control computer 301.Camera lens control computer 301 is according to the f-number control aperture device 309 that receives.Under holding state, the periodically action of execution in step S108 of controller 101.Can utilize this action, under suitable conditions of exposure, obtain live view and show required subject image.
When the camera lens in carrying out step S108 is communicated by letter, detect the 1st release-push 117e that links with release-push and whether connect (S110).When the user wants to enter into the photography standby condition, partly press release-push.Result of determination in this step is returned step S104 for partly not press under the situation of release-push, periodically carries out above-mentioned action.
On the other hand, the result of determination in step S110 is under the situation of the 1st release-push 117e connection, then carries out focal adjustments action (S112).Herein, the input of the focus detection circuit 101d in the controller 101 from the live view of imaging apparatus with image and calculate contrast value.And controller 101 and camera lens control computer 301 cooperate and to the peak driving of subject contrast to focus lens 305b.
After carrying out the focal adjustments action, then carry out the setting (S114) of still image photography conditions., obtain the monochrome information of subject from the live view of imaging apparatus with image herein, and calculate f-number, aperture time, the photoflash lamp luminous quantity that becomes correct exposure according to monochrome information.
After the setting of carrying out the still image photography conditions, then detect the 2nd release-push 117f that links with release-push and whether connect (S116).When the user wants to photograph, press release-push entirely.Result of determination in this step is returned step S110 for not press entirely under the situation of release-push, carries out above-mentioned action.
Result of determination in step S116 is under the situation of the 2nd release-push 117f connection, then whether needs the luminous judgement of photoflash lamp (S118).Judge the illumination whether needs utilize the subject of the 1st fill-in light (Xe pipe 207) according to the photography conditions of in step S114, setting herein.
The result of determination of photoflash lamp control computer 201 in step S118 is to need then to carry out photoflash lamp communication (S120) under the luminous situation of photoflash lamp.The result of determination of photoflash lamp control computer 201 in step S118 be not when needing photoflash lamp luminous, and that carries out still image under the situation of not carrying out photoflash lamp communication obtains action (S122).In photoflash lamp communication, between camera body 100 and photoflash lamp 200, communicate action, control computer 201 sends the information relevant with luminous quantity from controller 101 to photoflash lamp, and request Xe pipe 207 is luminous.Receive photoflash lamp control computer 201 standbies of this request to till controller 101 output triggering signals.Photoflash lamp control computer 201 synchronously makes Xe manage 207 flash light emissions with this triggering signal after receiving triggering signal.
In step S122, the condition control imaging circuit 103 of controller 101 to set in step S114 obtained view data and generated known image file.Controller 101 synchronously generates triggering signal with the action that the shutter 105 of controlling the time for exposure in the imaging apparatus is driven, and sends to photoflash lamp control computer 201.As mentioned above, photoflash lamp control computer 201 carries out the flash light emission of Xe pipe 207 after receiving triggering signal.Carry out still image obtain action after, return step S104, carry out above-mentioned action.
Thus, in the still image photograph mode, photoflash lamp 200 is permitted the illumination angle change in step S102, obtains the information of the range of exposures of the expression photoflash lamp that calculates according to the focal length data of changing camera lens 300 in the photoflash lamp communication of step S106.Range of exposures change unit (movable diffusing lens 209, actuator control circuit 211, photoflash lamp irradiating angle controlling organization 213) in the photoflash lamp 200 uses photoflash lamp range of exposures information, carries out the change of range of exposures.At this moment, produce the sound of drive actuator as the noise of machinery, but do not record etc., special problem therefore do not had.
When Fig. 3 is illustrated in the user and has selected the dynamic image photograph mode, the flow process of the dynamic image photograph mode that controller 101 is carried out.When entering into the flow process of this dynamic image photograph mode, at first carry out initial setting (S200).In this initial setting, set the display mode of live view (live view).As the ratio of width to height of dynamic image, general value is 16:9.In order to mate the ratio of width to height of the image of obtaining in order to carry out live view to show, the ratio of width to height of display frame also is set at 16:9.Obtain the view data corresponding with the ratio of width to height that sets from imaging circuit 103 with predetermined frame frequency (for example 30fps).This view data (signal of telecommunication) is outputed to camera display part 109 carry out the live view demonstration.Utilize this action, the user can observation post the whole camera coverage of dynamic image of record.
The dynamic image photograph mode is the pattern that is suitable for the record of dynamic image.In the record of dynamic image, also record speech data, therefore need avoid producing unwanted voice noise from camera arrangement.But, even be the dynamic image photograph mode with camera settings, before the dynamic image record switch 117g of camera operation parts 117 connects, do not begin the operation of recording of dynamic image yet.When not carrying out the operation of recording of dynamic image, even having produced mechanical voice noise, photoflash lamp 200 do not have problem yet.Therefore, in digital camera disclosed in this invention, detecting under the preoperative holding state of dynamic image record button the change action of the illumination angle of permission photoflash lamp 200.
Detecting under the preoperative holding state of release-push the action of controller 101 periodicity execution in step S104 and S106.When the user utilized this action to change the alter operation of the focal length of camera lens 300 (zoom action), the illumination angle of photoflash lamp 200 (range of exposures) changed according to the focal length of phtographic lens 305.
Then, S108 is same with step, and controller 101 carries out camera lens communication operation (S208) between camera body 100 and replacing camera lens 300.Herein, the live view of the imaging apparatus from imaging circuit 103 is obtained the monochrome information of subject with image, and calculates the f-number of the aperture 307 of changing camera lens 300 according to monochrome information.This f-number that calculates is sent to camera lens control computer 301.Camera lens control computer 301 is according to the f-number control aperture device 309 that receives.Under holding state, the periodically action of execution in step S108 of controller 101.Can utilize this action, under suitable conditions of exposure, obtain live view and show required subject image.
The result of determination of controller 101 in step S212 is under the situation that dynamic image record switch 117g connects in the operation of recording of dynamic image, then whether is in the judgement (S214) in the operation of recording of dynamic image.Herein, judgement is dynamic image record switch connection in the operation of recording of dynamic image, and still dynamic image record switch 117g connects under holding state.Under the situation that dynamic image record switch 117g connects in the operation of recording of dynamic image, in order to stop the operation of recording of dynamic image, transfer to step S226.On the other hand, under the situation that dynamic image record switch 117g connects in holding state, in order to begin the operation of recording of dynamic image, transfer to step S220.
The result of determination of controller 101 in step S214 is under the situation about being in the record of dynamic image, and whether judge needs illumination LED luminous (S220).According to subject brightness, in the dynamic image record, use the 2nd fill-in light unit (LED223 in the photoflash lamp 200) to judge whether need subject is shone.
The result of determination of controller 101 in step S220 is to need to carry out photoflash lamp communication (S222) under the luminous situation of illumination LED.In this step, controller 101 carries out LED with photoflash lamp control computer 201 and lights communicating by letter of request.
The result of determination of controller 101 in step S214 is under the situation about being in the operation of recording of dynamic image, stops dynamic image operation of recording (S226).Finish the compressed action of view data herein, and the closing image file.
Thus, in the dynamic image photograph mode, in the operation of recording of dynamic image, photoflash lamp 200 is forbidden the illumination angle change.Therefore, range of exposures change unit in the photoflash lamp 200 (actuator control circuit 211, photoflash lamp irradiating angle controlling organization 213, movable diffusing lens 209) does not carry out the change of range of exposures, thereby does not produce the sound of drive actuator as the noise of machinery.
Photoflash lamp control computer 201 is obtained the information of the range of exposures of the expression photoflash lamp that calculates according to the focal length data of changing camera lens 300 in the photoflash lamp communication of step S206.And under the situation in the operation of recording that is not in dynamic image, photoflash lamp control computer 201 is according to this information, range of exposures change unit in the control photoflash lamp 200 (actuator control circuit 211, photoflash lamp irradiating angle controlling organization 213, movable diffusing lens 209) carries out the change of the range of exposures of photoflash lamp.At this moment, produce the sound of drive actuator as the noise of machinery, but do not follow the recording action of the operation of recording of dynamic image, therefore do not have special problem.In addition, according to the zoom action of changing camera lens 300, illumination angle is changed, therefore being under the situation of still image photograph mode from dynamic image photography mode altering, can carry out flash light emission with suitable illumination angle immediately.
Can following such action flow chart that changes the disclosed controller 101 of Fig. 3.Namely when the user had selected the dynamic image photograph mode, the change of the range of exposures of total ban photoflash lamp was moved.For controller 101 is moved, need change step S202, S223, S232 thus.The following change of step S202.In step S202, controller 101 forbids that photoflash lamp control computer 201 carries out the change action of illumination angle (forbidding the illumination angle change).When utilizing this change to select the dynamic image photograph mode, do not carry out the change action of the range of exposures of photoflash lamp.And, not needing step S223, S232, therefore can from flow chart, delete.This embodiment after changing can solve one of digital camera of problem of the present invention.
Fig. 4 shows the flow chart of the action of photoflash lamp control computer 201 execution of controlling photoflash lamp 200.In this flow chart, photoflash lamp control computer 201 according to the request of sending from controller 101 (instruction), is carried out predetermined actions according to nonvolatile memory (not shown) the institute program stored in the photoflash lamp 200.
Behind the power supply of connecting photoflash lamp, photoflash lamp control computer 201 begins action.At first, photoflash lamp control computer 201 carries out photoflash lamp initial setting (S300).The computer 201 of photoflash lamp control herein makes 203 pairs of supply voltages that provide from flash generator circuit 235 of booster circuit boost, and beginning is charged to main capacitor.
Photoflash lamp control computer 201 then communicates with camera (S302) after carrying out the photoflash lamp initial setting.In step S202, the S206 of step S102, S106, S120 and the dynamic image photograph mode of still image photograph mode, S222, S223, S230 etc., between camera body 100 and photoflash lamp 200, carried out communication operation.In this step, receive order from camera body 100.
Photoflash lamp control computer 201 is communicating with camera, and after receiving order, below step S304, judges the content of order.Whether at first, carry out order is the judgement (S304) that LED lights request.Subject brightness is dark and need light under the situation of LED223 in the dynamic image photograph mode, at step S222(with reference to Fig. 3) in, controller 101 sends LED to photoflash lamp control computer 201 and lights request.In this step, judge that whether receiving this LED lights request.
The result of determination of photoflash lamp control computer 201 in step S304 is that the order that receives is that LED lights under the situation of request, sets drive condition, lights LED(S306).Herein, photoflash lamp control computer 201 makes led drive circuit 221 light LED223.
The result of determination of photoflash lamp control computer 201 in step S304 is not that LED lights under the situation of request, then takes a decision as to whether LED and extinguishes request (S308).If when the lighting of LED223, stop the record of dynamic image, then at step S230(with reference to Fig. 3) in, controller 101 sends LED to photoflash lamp control computer 201 and extinguishes request.In this step, judge that whether receiving this LED extinguishes request.
The result of determination of photoflash lamp control computer 201 in step S308 is to extinguish under the situation of request, extinguishes LED(S310).Herein, photoflash lamp control computer 201 makes led drive circuit 221 extinguish LED223.
The result of determination of photoflash lamp control computer 201 in step S308 is not that LED extinguishes under the situation of request, then judges the permission/prohibition information (S312) that whether receives illumination angle change action.Under the situation of still image photograph mode, photoflash lamp control computer 201 is received in step S102(with reference to Fig. 2) the middle information relevant with illumination angle change permission that send.Under the situation of dynamic image photograph mode, photoflash lamp control computer 201 is received in step S202(with reference to Fig. 3) in send the information relevant with illumination angle change permission, at step S223(with reference to Fig. 3) in send the information of forbidding being correlated with the illumination angle change, at step S232(with reference to Fig. 3) in send change any one of permitting in the information of being correlated with illumination angle.In this step, the information that the change of these illumination angles is permitted/forbidden stores in the memory (not shown) in the photoflash lamp 200.This canned data uses when the judgement of step S320 described later.
The result of determination of photoflash lamp control computer 201 in step S312 is not receive illumination angle to change under the situation of the permission/prohibition information of moving, and then judges the control information (S316) that whether receives illumination angle.Controller 101 at step S104(with reference to Fig. 2), S204(is with reference to Fig. 3) in, communicate with replacing camera lens 300, obtain shot information such as focal length data, at step S106, S206(with reference to Fig. 3) in, the control information of the range of exposures of the expression photoflash lamp that will calculate according to the focal length data of camera lens sends to photoflash lamp control computer 201.In addition, also send the control information relevant with the actuating speed that constitutes the actuator that range of exposures changes the unit (driving the required actuator of movable diffusing lens 209).In this step, judge the control information that whether receives photoflash lamp.
The result of determination of photoflash lamp control computer 201 in step S316 is to have received under the situation of control information, then stores control informations (S318) such as illumination angle (range of exposures), actuating speed.Herein, store in the memory (not shown) in the photoflash lamp 200.This canned data uses when the driving of the movable diffusing lens 209 of step S322 described later.
Photoflash lamp control computer 201 is then judged the setting (S320) that whether has permission/prohibition information after the storage control information.As mentioned above, in step S314, store the permission/prohibition information of illumination angle change action, therefore judge according to this storing value.
The result of determination of photoflash lamp control computer 201 in step S320 is to store under the situation of permission, then drives movable diffusing lens 209(S322 according to current illumination angle and control information).Herein, photoflash lamp control computer 201 according to current illumination angle and control information, drives movable diffusing lens 209 with the actuating speed that receives by actuator control circuit 211, and making becomes suitable illumination angle corresponding to focal length.The result of determination of photoflash lamp control computer 201 in step S320 is to store under the situation of forbidding, turns back to step S302.
Whether the result of determination of photoflash lamp control computer 201 in step S316 is not receive under the situation of control information of illumination angle, be the judgement (S324) of the luminous request of Xe pipe then.Controller 101 at step S118(with reference to Fig. 2) in calculate luminous quantity and send the luminous request of photoflash lamp.In this step, judge this luminous request and the luminous quantity information of whether receiving.
The result of determination of photoflash lamp control computer 201 in step S324 is to have received under the situation of the luminous request of Xe pipe and luminous quantity information, then judges whether received triggering signal (S326).Controller 101 at step S122(with reference to Fig. 2) in when obtaining still image, send triggering signal.Photoflash lamp control computer 201 judges whether received triggering signal in this step, under situation about not receiving, standby is till receive triggering signal.
The result of determination of photoflash lamp control computer 201 in step S326 is when receiving triggering signal, makes Xe manage the luminous scheduled time (S328) according to luminous quantity.Herein, emission control circuit 205 is according to the fluorescent lifetime of the luminous quantity information control Xe pipe 207 that receives.
The result of determination of photoflash lamp control computer 201 in step S324 is not receive under the situation of the luminous request of Xe pipe and luminous quantity information, then carries out other actions (S330).Carry out above-mentioned action photoflash lamp control action in addition herein.As other actions, for example be following action: according to the request of controller 101, send main capacitor charging level, the change scope of illumination angle, the maximum luminous quantity of Xe pipe and the maximum luminous quantity of illumination LED etc.
Photoflash lamp control computer 201 turns back to step S302 after the release of above-mentioned steps S330, S328, S322, S314, S310, S306.
Thus, in the flow process that the photoflash lamp of present embodiment is controlled, carry out the processing corresponding with the order that comes self-controller 101.For example, receiving under the situation of forbidding illumination angle change action, forbidding that range of exposures change unit is to the change action of the range of exposures of photoflash lamp 200.Under this situation, do not produce the machinery noise of the change action of the range of exposures of following photoflash lamp 200, even under the dynamic image photograph mode, carry out the record of voice, can not record noise beastly yet.
Fig. 5 shows control and changes the flow chart that the camera lens of camera lens 300 is controlled the action of computer 301 execution.In this flow chart, camera lens control computer 301 according to the request of sending from controller 101 (instruction), is carried out predetermined actions according to nonvolatile memory (not shown) the institute program stored of changing in the camera lens 300.
At the power supply of connecting camera body, and after replacing camera lens 300 supply capabilities, camera lens control computer 301 begins action.At first, camera lens control computer 301 carries out camera lens initial setting (S400).Carry out the initial setting action of machinery and electricity herein.As the action of the initial setting of machinery, for example have aperture 307 to be set at the action of open mode and to set lens location with the action of the subject that will arrive the ∞ position in focus etc.
Camera lens control computer 301 then communicates with camera (S402) after carrying out the camera lens initial setting.At step S104, the S108 of still image photograph mode, and among the step S204 of dynamic image photograph mode, the S208 etc., between camera body 100 and replacing camera lens 300, carried out communication operation.In this step, receive order from camera body 100.
Camera lens control computer 301 is communicating with camera, and after receiving order, below step S404, judges the content of order.At first, judge whether asked shot information (S404).In step S104, S204, shot information such as the type of controller 101 request camera lenses (zoom lens, Macro Lens first-class), focal length data (encoder values), f-number.
The result of determination of camera lens control computer 301 in step S404 is under the situation of request of shot information, obtains and send the encoder values (S406) that is equivalent to the lens focus data.The focal length of phtographic lens 305 can detect by focal length encoder 313, so camera lens control computer 301 will send to controller 101 by focal length encoder 313 detected encoder values.
The result of determination of camera lens control computer 301 in step S404 is not under the situation of request of shot information, judges and whether asked aperture driving (S408).In step S108, S208, controller 101 sends the f-number that calculates, and the request aperture drives.
The result of determination of camera lens control computer 301 in step S408 is under the situation of aperture driving request, carries out the control (S410) of aperture device.Herein, camera lens control computer 301 control aperture devices 309 are to become the f-number that receives.
The result of determination of camera lens control computer 301 in step S408 is not under the situation of aperture driving request, takes a decision as to whether lens driving request (S412).In step S112, S210, controller 101 carries out the focal adjustments action according to the contrast value that calculates.
The result of determination of camera lens control computer 301 in step S412 is under the situation of lens driving request, carries out the control (S414) of Focusing mechanism.Herein, camera lens control computer 301 carries out the driving control of Focusing mechanism 303 according to the control signal of coming self-controller 101.
The result of determination of camera lens control computer 301 in step S412 is not under the situation of lens driving request, carries out other actions (S416).Carry out mentioned order action in addition herein.
Camera lens control computer 301 carries out other actions in step S416 after, after perhaps execution is handled in each step S406, S410, S414, turn back to step S402.
Thus, in the flow process that the camera lens of present embodiment is controlled, carry out the processing corresponding with the order that comes self-controller 101.For example, when having the request of shot information, obtain lens focus data etc., and send to controller 101.As mentioned above, controller 101 uses lens focus data computation range of exposures (irradiating angle), and this range of exposures is sent to photoflash lamp 200.
As described above, in embodiments of the present invention, in the still image photograph mode, change the illumination angle of the 1st fill-in light unit according to the focal length of zoom lens, in the dynamic image photograph mode, even the focal length of change zoom lens does not change the illumination angle of the 1st fill-in light unit yet.Therefore, even when dynamic image is photographed, can not worry proceeding from the noise of zoom flash lamp the dynamic image photography yet.
In addition, in the embodiments of the present invention, possess the 1st fill-in light unit (Xe pipe 207 etc.) and two illuminating parts in the 2nd fill-in light unit (LED223 etc.).But, can possess any one illuminating part (Xe pipe or LED etc.) certainly, utilize this illuminating part to carry out flash light emission and luminous continuously.
In addition, in the embodiments of the present invention, as the equipment that is used for photography, the use digital camera is illustrated, but as digital camera, can be digital single-lens reflex camera, digital one-shot camera and pocket digital camera, personal digital assistant) or the camera in the game station etc. also can be the camera that video camera, the such dynamic image of film camera are used, and can be to be built in mobile phone, smart mobile phone, portable information terminal (PDA:Personal Digital Assist:.No matter be which kind of equipment, so long as with range of exposures according to zoom and the photographic equipment that different light-emitting devices uses together then can be used the present invention.
In addition, about the motion flow in claims, specification and the accompanying drawing, even for convenience, use the language of performance orders such as " at first ", " following " to be illustrated, but less than under the predeclared especially situation, do not refer to and to implement in proper order by this.
The present invention directly is not defined as the respective embodiments described above, the implementation phase can be in the scope that does not break away from its purport structural element be out of shape and specialize.In addition, can form various inventions by the appropriate combination of the disclosed a plurality of structural elements of above-mentioned execution mode.For example, can delete several structural elements in the entire infrastructure key element shown in the execution mode.And, but the structural element of the different execution modes of appropriate combination.
Claims (6)
1. digital camera, it has still image photograph mode and dynamic image photograph mode, and this digital camera is characterised in that to have:
Zoom lens;
Imaging circuit, its picture with the subject that above-mentioned zoom lens forms is converted to the signal of telecommunication;
Display part, its live view that carries out subject according to above-said current signal shows;
Controller, it generates and the record static image data according to above-said current signal under above-mentioned still image photograph mode, under above-mentioned dynamic image photograph mode, generates and the record dynamic image data according to above-said current signal; And
Photoflash lamp, the 2nd fill-in light unit that it has the 1st fill-in light unit that can change the irradiates light that sends when still image is photographed and fixed the illumination angle of the light that sends when dynamic image is photographed,
Above-mentioned controller is under above-mentioned still image photograph mode, change the illumination angle of above-mentioned the 1st fill-in light unit according to the focal length of above-mentioned zoom lens, under above-mentioned dynamic image photograph mode, even change the illumination angle that the focal length of above-mentioned zoom lens does not change above-mentioned the 1st fill-in light unit yet.
2. digital camera according to claim 1 is characterized in that,
Above-mentioned the 1st fill-in light unit uses Xe pipe irradiation subject, and above-mentioned the 2nd fill-in light unit uses light-emitting diode irradiation subject.
3. digital camera according to claim 2 is characterized in that,
The ratio of width to height of the live view that above-mentioned display part is shown is set to 4:3 or 3:2 under the situation of having selected above-mentioned still image photograph mode, be set to 16:9 under the situation of having selected above-mentioned dynamic image photograph mode.
4. digital camera according to claim 3 is characterized in that,
Above-mentioned photoflash lamp can carry out dismounting at the camera body of above-mentioned digital camera.
5. according to any described digital camera in the claim 1～4, it is characterized in that,
Above-mentioned digital camera has the recording start of the above-mentioned dynamic image data of indication and the switch that record stops,
Even above-mentioned controller is selecting above-mentioned dynamic image photograph mode also not carry out under the situation of record of the dynamic image data corresponding with the operation of this switch, come the illumination angle of above-mentioned the 1st fill-in light unit is changed according to the change of the focal length of above-mentioned zoom lens.
6. according to any described digital camera in the claim 1～4, it is characterized in that having:
Built-in microphone; And
Connector of microphone,
Above-mentioned controller is externally under microphone and the situation that above-mentioned connector of microphone is connected, has precedence over the output of built-in microphone and the speech data that records with dynamic image data according to the output generation of this external speaker.
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| JP2012020845A JP2013160842A (en) | 2012-02-02 | 2012-02-02 | Digital camera |
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| CN106303270A (en) * | 2015-06-25 | 2017-01-04 | 佳能株式会社 | Camera system, luminaire and focus detecting method |
| CN106470311A (en) * | 2015-08-21 | 2017-03-01 | 高准精密工业股份有限公司 | Shooting and illuminator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7187192B2 (en) * | 2018-07-06 | 2022-12-12 | キヤノン株式会社 | Controllers, accessories, imaging devices and imaging systems |
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| CN103248803B (en) | 2018-01-19 |
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