WO2023191429A1 - Dispositif de commande de lentille de caméra interchangeable et caméra le comprenant - Google Patents

Dispositif de commande de lentille de caméra interchangeable et caméra le comprenant Download PDF

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Publication number
WO2023191429A1
WO2023191429A1 PCT/KR2023/004060 KR2023004060W WO2023191429A1 WO 2023191429 A1 WO2023191429 A1 WO 2023191429A1 KR 2023004060 W KR2023004060 W KR 2023004060W WO 2023191429 A1 WO2023191429 A1 WO 2023191429A1
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WO
WIPO (PCT)
Prior art keywords
camera
interchangeable lens
target
control device
sensor
Prior art date
Application number
PCT/KR2023/004060
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English (en)
Korean (ko)
Inventor
한승헌
김영복
이의삼
박준
김기수
박종복
Original Assignee
한국광기술원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한국광기술원 filed Critical 한국광기술원
Publication of WO2023191429A1 publication Critical patent/WO2023191429A1/fr

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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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/17—Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
    • 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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits
    • G03B7/095—Digital circuits for control of aperture

Definitions

  • the present invention relates to a control device for an interchangeable lens that can be attached and detached to a camera and a camera including the same.
  • Video recording devices such as cameras or camcorders must accurately focus on the subject and appropriately adjust the amount of incident light in order to capture clear still images or moving images.
  • the existing interchangeable lens camera consists of a camera body and interchangeable lenses, and the camera body drives the focus adjustment lens within the interchangeable lens, allowing the camera to automatically adjust the focus and incident light amount.
  • One embodiment of the present invention provides a camera interchangeable lens control device that automatically controls the focus and incident light amount of the interchangeable lens between the camera body and the interchangeable lens or controls it from the outside, and a camera including the same.
  • Work has a purpose.
  • the device in a camera interchangeable lens control device that is mounted in a camera that cannot directly control the mounted interchangeable lens and controls the operation of the interchangeable lens, the device includes an illuminance sensor that senses the illuminance of incident light entering the camera. And a distance sensor that senses the distance to a target located within the shooting range of the camera, the illuminance sensor, and the sensing value of the distance sensor, the focal length of the lens in the interchangeable lens and the aperture value of the aperture in the interchangeable lens.
  • a camera interchangeable lens control device is provided, comprising a control unit that generates a control signal.
  • control unit transmits the generated control signal to the exchangeable lens.
  • the camera interchangeable lens control device further includes a communication unit that receives control signals of the focal length of the lens in the interchangeable lens and the aperture value of the aperture in the interchangeable lens from the outside.
  • the optical path of the incident light reflected from the target and incident into the camera A beam splitter is placed at a preset angle on the image and reflects part of the light in the visible light wavelength band, and an illuminance sensor senses the illuminance of the incident light by receiving part of the incident light reflected from the beam splitter.
  • a distance sensor that irradiates inspection light in a wavelength band and reflects it to the target, receives the inspection light reflected from the target and enters through the beam splitter, and senses the distance to the target, and the illuminance sensor and the distance sensor
  • a camera interchangeable lens control device comprising a control unit that generates a control signal for the focal length of the lens in the interchangeable lens and the aperture value of the aperture in the interchangeable lens, based on the sensing value.
  • the illuminance sensor and the distance sensor are disposed in a direction perpendicular to the optical path of the incident light that is reflected from the target and enters the camera.
  • the beam splitter is disposed so that one reflection surface faces the target and each sensor on the optical path of the incident light that is reflected from the target and enters the camera.
  • the preset angle is adjusted according to the focal length of the camera.
  • the beam splitter reflects a preset ratio of incident light in the visible light wavelength band and transmits the rest, but reflects all light in wavelength bands other than the visible light wavelength band.
  • the optical path of the incident light reflected from the target and incident into the camera A beam splitter is placed at a preset angle on the image and reflects part of the light in the visible wavelength band, and an illuminance sensor senses the illuminance of the incident light by receiving part of the incident light reflected from the beam splitter, and directly irradiates the inspection light to the target.
  • a camera interchangeable lens control device comprising a control unit that generates a control signal for an aperture value.
  • the illuminance sensor and the distance sensor are disposed in a direction perpendicular to the optical path of the incident light that is reflected from the target and enters the camera.
  • the beam splitter is disposed so that one reflection surface faces the target and each sensor on the optical path of the incident light that is reflected from the target and enters the camera.
  • the preset angle is adjusted according to the focal length of the camera.
  • control unit transmits the generated control signal to the exchangeable lens.
  • a camera body that senses the image of an external target by receiving concentrated or dispersed light, and a camera body that is detached from the body and focuses or disperses the reflected light reflected from the target to transmit the image into the camera body.
  • a camera comprising an interchangeable lens unit and a camera interchangeable lens control device.
  • the focus and incident light amount are automatically controlled or can be controlled from the outside to adjust the focus and incident light amount. It has the advantage of improving the convenience of operation of cameras that do not have this function.
  • Figure 1 is a diagram showing the configuration of a camera including an automatic control function of interchangeable lenses according to an embodiment of the present invention.
  • Figure 2 is a diagram showing the configuration of an interchangeable lens unit and a camera interchangeable lens control device according to an embodiment of the present invention.
  • Figure 3 is a diagram showing the structure of a camera interchangeable lens control device according to the first embodiment of the present invention.
  • Figure 4 is a diagram showing the structure of a camera interchangeable lens control device according to a second embodiment of the present invention.
  • Figure 5 is a diagram showing the structure of a camera interchangeable lens control device according to a third embodiment of the present invention.
  • Figure 6 is a flowchart showing how the camera interchangeable lens control device controls the focus and incident light amount of the interchangeable lens according to an embodiment of the present invention.
  • first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.
  • a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention.
  • the term and/or includes any of a plurality of related stated items or a combination of a plurality of related stated items.
  • each configuration, process, process, or method included in each embodiment of the present invention may be shared within the scope of not being technically contradictory to each other.
  • Figure 1 is a diagram showing the configuration of a camera including an automatic control function of interchangeable lenses according to an embodiment of the present invention.
  • the camera 100 includes an interchangeable lens unit 110, a camera body 120, and a camera interchangeable lens control device 130 (hereinafter abbreviated as 'control device'). Includes.
  • the interchangeable lens unit 110 condenses or disperses reflected light reflected from an external target and forms an image into the camera body 120.
  • the interchangeable lens unit 110 can be detached from the camera body 120, and an appropriate lens unit among the interchangeable lens units 110 having various focal lengths is mounted on the camera body 120 to capture the image of the target. formed in
  • the camera body 120 receives light collected or dispersed by the exchangeable lens unit 110 and senses the image of the target.
  • the camera body 120 includes an image sensor and senses the target by sensing the image that is focused or dispersed by the interchangeable lens unit 110.
  • the camera body 120 has the characteristic of not being able to control the operation of the interchangeable lens unit 110.
  • the control device 130 controls the focal length of the interchangeable lens unit 110 and the amount of incident light incident on the camera body 120.
  • the control device 130 is disposed between the interchangeable lens unit 110 and the camera body 120 on the optical path formed by the interchangeable lens unit 110 and the camera body 120, and controls the focal length to be formed by the interchangeable lens unit 110 and the interchangeable lens.
  • the unit 110 controls the amount of incident light adjusted.
  • the control device 130 can control the interchangeable lens unit 110 by sensing the focal length and incident light amount (illuminance), and receives a control signal of the interchangeable lens unit 110 from the outside to control the interchangeable lens unit 110. can also be controlled. In this way, the control device 130 controls the interchangeable lens unit 110 between the two 110 and 120 by itself or by receiving input from the outside, thereby taking over the operations that the camera body 120 cannot perform.
  • Figure 2 is a diagram showing the configuration of an interchangeable lens unit and a camera interchangeable lens control device according to an embodiment of the present invention.
  • the interchangeable lens unit 110 includes a lens 210, a control unit 220, a motor 230, and an aperture 240, and the control device 130 It includes a communication unit 250, a control unit 260, an illuminance sensor 270, and a distance sensor 275.
  • the lens 210 receives reflected light reflected from the target and condenses or disperses the reflected light so that an image is formed on the camera body 120, especially the image sensor.
  • the lens 210 can adjust the focal length by receiving power from the motor 230, and thus the degree of concentration or dispersion of reflected light can be adjusted.
  • the control unit 220 controls the operation of the motor 230.
  • the control unit 220 receives control signals from the control unit 260 and controls the motor 230.
  • the control unit 220 controls the motor 230 to control the focal length of the lens 210 or the amount of light transmitted by the aperture 240 (incident into the camera).
  • the motor 230 adjusts the focal length 210 of the lens 210 or the amount of transmitted light of the aperture 240 under the control of the control unit 220.
  • the aperture 240 adjusts the amount of light incident into the camera.
  • the aperture 240 is disposed in front of the lens 210 in a direction toward the outside of the camera and adjusts the amount of light to be incident on the lens 210.
  • the aperture 240 adjusts the effective diameter of the lens 210, thereby adjusting the amount of light that will pass through it and enter the lens 210.
  • the communication unit 250 may receive a control signal for controlling the interchangeable lens unit 110 from the outside or transmit the control status of the interchangeable lens unit 110 to the outside.
  • the communication unit 250 communicates with the outside, mainly the camera user's terminal, using wired communication or wireless communication.
  • the communication unit 250 may receive a control signal for the operation of the interchangeable lens unit 110, more specifically, the focal length of the lens 210 or the aperture value (transmitted light amount) of the aperture 240 from the corresponding terminal.
  • the communication unit 250 may transmit the control status of the control unit 260 controlling the control unit 220 of the interchangeable lens unit 110 to the corresponding terminal based on the sensing values of each sensor 270 and 275.
  • the control unit 260 receives the sensing value from the sensors 270 and 275, and transmits a control signal to the control unit 220 to control the focal length of the lens 210 or the aperture value of the aperture 240 based on the sensing value. do.
  • the control unit 260 receives sensing values from the sensors 270 and 275, determines whether a target exists within the shooting range of the camera 100, and determines how far the target is from the camera 100, more specifically, the lens 210. Determine whether the distance is far enough and how much light is incident from the outside. Based on the judgment result, the control unit 260 determines how much focal length the lens 210 must have so that the image of the target can be focused on the image sensor within the camera body 120 and how much illumination the incident light entering the camera must have. It analyzes whether the target can be fully recognized by the image sensor.
  • control unit 260 Based on the analysis results, the control unit 260 generates a control signal (to the motor 230) for the focal length of the lens 210 and a control signal (to the motor 230) for the amount of transmitted light of the aperture 240. . Accordingly, the control unit 260 controls such that a complete image of the target is formed on the image sensor, light with appropriate illuminance is incident, and the target is fully recognized by the image sensor.
  • the control unit 260 transmits the generated control signal to the control unit 220 so that the control unit 220 can control the lens 210 or the aperture 240 based on the sensed information.
  • the control unit 260 performs wired or wireless communication with the control unit 220 and transmits the generated control signal to the control unit 220.
  • the control unit 260 can receive a sensing value from each sensor 270 and 275 at a preset period (interval) (or control each sensor to sense a sensing value), and determines when the sensing value is received and The control signal can be updated by comparing it with its previous point in time.
  • the control unit 260 may receive sensing values from each sensor 270 and 275 at a specific point in time and generate a control signal for the lens 210 or the aperture 240 accordingly.
  • the control unit 260 periodically receives sensing values from each sensor 270 and 275, and can compare the received sensing value at the current time with the sensing value at the time immediately before the corresponding time.
  • the control unit 260 updates the control signal of the lens 210 or the aperture 240 based on the sensing values at the current time.
  • the illuminance sensor 270 senses the illuminance of incident light from the outside. When light with excessive illuminance is incident into the camera, it becomes difficult for the image sensor in the camera body 120 to fully sense the target. Accordingly, so that the control unit 260 can generate a control signal for the aperture 240, the illuminance sensor 270 senses the illuminance of incident light from the outside.
  • the distance sensor 275 senses the distance from its own location to the target.
  • the control unit 260 must be able to know how far away the target that exists outside the camera 100 is from the camera 100 so that the lens 210 can adjust the focal length to completely capture the image of the target.
  • the distance sensor 275 senses the distance from its own location to the target.
  • the control unit 260 measures the distance from the lens 210 to the distance sensor 275 and the distance from the lens 210 to the camera body 120. Since the distance to my image sensor is already known, the focal length of the lens 210 can be calculated from the sensing value of the distance sensor 275.
  • the illuminance sensor 270 and the distance sensor 275 each include an optical structure 310, which will be described later with reference to FIGS. 3 to 5, in order to sense the above-described sensing values.
  • each sensor 270 and 275 can sense each of the above-described information.
  • Figure 3 is a diagram showing the structure of a camera interchangeable lens control device according to the first embodiment of the present invention.
  • Figure 3 shows the structure of the control device 130 when the focal length of the camera 100 is relatively long and there is room.
  • the control device 130 is an optical configuration and includes a beam splitter 310 that allows the illuminance sensor 270 and the distance sensor 275 to sense the illuminance of the incident light and the distance to the target 320, respectively.
  • the illuminance sensor 270 and the distance sensor 275 are arranged in a direction perpendicular to the optical path through which reflected light from the target 320 is incident on the image sensor 330.
  • the illuminance sensor 270 receives light reflected from the beam splitter 310 and senses the illuminance of the incident light incident on the camera 100.
  • the distance sensor 275 irradiates light other than the visible light wavelength band in the direction of the beam splitter 310 and receives reflected light reflected from the target to sense how far the target 320 is from itself.
  • the beam splitter 310 is arranged so that one reflective surface faces the target 320 and each sensor 270 and 275 on the above-described optical path.
  • the beam splitter 310 is disposed at a preset first angle on the above-described optical path.
  • the preset first angle may be an angle of approximately 45° based on a direction perpendicular to the optical path.
  • the beam splitter 310 reflects the incident light on the optical path to the illuminance sensor 270 or the distance sensor ( It is arranged to have a preset first angle in order to reflect the light emitted from 275) to the target and to reflect the reflected light from the target back to the distance sensor 275.
  • the beam splitter 310 transmits light in the visible wavelength band at a preset ratio, but reflects light in the remaining wavelength band (for example, light in the near-infrared wavelength band).
  • the beam splitter 310 may transmit light in the visible light wavelength band at a preset ratio, for example, 99%, and reflect the remaining ratio of light. Accordingly, a certain percentage of the incident light (meaning object light as reflected light of the target) incident from outside the camera 100 is incident on the illuminance sensor 270. In order for the image of the target 320 to be formed on the image sensor 330 as intact as possible, the beam splitter 310 reflects only the remaining ratio of light in the visible light wavelength band excluding the preset ratio.
  • the illuminance sensor 270 is intended to sense the illuminance of incident light, and since it can know the ratio of light reflected to itself among the incident light, it can know the illuminance value of the entire incident light from the sensing value it senses.
  • the beam splitter 310 completely reflects light in the remaining wavelength band.
  • the light in the remaining wavelength band is not a factor that affects the formation of the image of the target 320 on the image sensor 330, and corresponds to light for the purpose of the distance sensor 275 measuring the distance to the target 320. .
  • the beam splitter 310 reflects the light emitted from the distance sensor 275 to measure the distance toward the target 320.
  • the beam splitter 310 reflects the reflected light (in the remaining wavelength band) incident from the target 320 to the distance sensor 275 to measure the distance.
  • the distance sensor 275 senses the distance between itself and the target 320 using information on the time it takes for the reflected light (from the target 320) to arrive after irradiating the light for measurement.
  • Each sensor 270 and 275 transmits the sensed value to the control unit 260 to generate a control signal.
  • Figure 4 is a diagram showing the structure of a camera interchangeable lens control device according to a second embodiment of the present invention.
  • the control device 130 shown in FIG. 4 may have the same structure as the control device 130 shown in FIG. 3.
  • the distance sensor 275 in the control device 130 according to the second embodiment of the present invention is different from the distance sensor 275 in the control device 130 according to the first embodiment of the present invention to the target 320.
  • the distance sensor 275 can measure the distance between itself and the target 320 by directly irradiating distance measurement light to the target 320 and directly receiving reflected light from the target 320.
  • Figure 5 is a diagram showing the structure of a camera interchangeable lens control device according to a third embodiment of the present invention.
  • FIG. 5 shows the structure of the control device 130 when the focal length of the camera 100 is relatively short.
  • the control device 130 shown in FIG. 5 may also have the same structure except for the control device 130 and the beam splitter 310 shown in FIG. 3. However, because the focal length of the camera shown in FIG. 5 is relatively short, the beam splitter 310 is arranged at an angle different from that of FIG. 3. The beam splitter 310 is arranged to have a preset second angle based on a direction perpendicular to the optical path, where the preset second angle is smaller than the preset first angle. Accordingly, the control device 130 can have a relatively narrow width (length in the optical path direction) and can also be placed on the camera 100 with a relatively short focal length.
  • the distance sensor 275 is shown as measuring the distance to the target in the manner shown in Figure 3, but it is not limited thereto, and even if the distance to the target is measured directly in the manner shown in Figure 4, It's okay.
  • Figure 6 is a flowchart showing how the camera interchangeable lens control device controls the focus and incident light amount of the interchangeable lens according to an embodiment of the present invention.
  • the control unit 260 sets the focal length or aperture value to a preset initial value (S610). In initial operation, the control unit 260 sets the focal length of the lens 210 and the aperture value of the aperture 240 to preset initial values (which may be arbitrary values).
  • the control unit 260 receives the sensing values of each sensor 270 and 275 from each sensor 270 and 275 (S620).
  • the control unit 260 determines whether the sensing value at the current time and the sensing value immediately before the current time are the same (S630). In order to determine a change in the position of the target 320 or a change in the illuminance of incident light, the control unit 260 determines whether the sensing value at the current time is the same as the sensing value at the immediately preceding time based on the current time.
  • the control unit 260 when the sensing values at both viewpoints are different, the control unit 260 generates a control signal for the focal length of the lens or the aperture value of the aperture from the sensing value at the current viewpoint (S640). If the sensing values at both viewpoints are different, it means that a change has occurred in the position of the target 320 or the illuminance of the incident light. Accordingly, based on the sensing values of each sensor 270 and 275, the control unit 260 determines the A control signal is generated for the focal length that the lens 210 should have depending on the position of the target 320 or the aperture value of the aperture 240 that should be adjusted according to the illuminance of the incident light. The control unit 260 transmits the generated control signal to the control unit 220, so that the control unit 220 can control the lens 210 or the aperture 240 through the motor 230 according to the control signal.
  • FIG. 6 is not limited to a time series order.
  • Computer-readable recording media include all types of recording devices that store data that can be read by a computer system. That is, computer-readable recording media include storage media such as magnetic storage media (eg, ROM, floppy disk, hard disk, etc.) and optical read media (eg, CD-ROM, DVD, etc.). Additionally, computer-readable recording media can be distributed across networked computer systems so that computer-readable code can be stored and executed in a distributed manner.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Structure And Mechanism Of Cameras (AREA)

Abstract

L'invention concerne un dispositif de commande de lentille de caméra interchangeable et une caméra le comprenant. Selon un aspect du présent mode de réalisation, le dispositif de commande de lentille de caméra interchangeable est installé à l'intérieur d'une caméra qui est incapable de commander directement une lentille interchangeable installée, de façon à commander le fonctionnement de la lentille interchangeable, le dispositif de commande de lentille de caméra interchangeable comprenant : un capteur d'éclairement servant à détecter l'éclairement de la lumière incidente entrant dans la caméra ; un capteur de distance servant à détecter la distance entre une caméra et une cible située à l'intérieur d'une plage de capture de la caméra ; et une unité de commande servant à générer, sur la base des valeurs de détection du capteur d'éclairement et du capteur de distance, des signaux de commande pour la distance focale d'une lentille située à l'intérieur de la lentille interchangeable et la valeur d'ouverture de l'ouverture dans la lentille interchangeable.
PCT/KR2023/004060 2022-03-28 2023-03-28 Dispositif de commande de lentille de caméra interchangeable et caméra le comprenant WO2023191429A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220037759A KR20230139444A (ko) 2022-03-28 2022-03-28 카메라 교환렌즈 제어장치 및 그를 포함하는 카메라
KR10-2022-0037759 2022-03-28

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WO2023191429A1 true WO2023191429A1 (fr) 2023-10-05

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100859151B1 (ko) * 2001-06-26 2008-09-19 소니 가부시끼 가이샤 촬상장치 및 촬상방법
JP2009194643A (ja) * 2008-02-14 2009-08-27 Nikon Corp 撮影装置
KR20120110869A (ko) * 2011-03-30 2012-10-10 삼성전자주식회사 디지털 촬영장치, 그 제어방법 및 제어방법을 실행시키기 위한 프로그램을 저장한 기록매체
JP5478213B2 (ja) * 2009-11-20 2014-04-23 オリンパスイメージング株式会社 カメラ
US20190373145A1 (en) * 2018-06-05 2019-12-05 Samsung Electronics Co., Ltd. Camera module for controlling iris diaphragm using signal corrected according to position of lens assembly, electronic device including the camera module, and method for operating the electronic device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100859151B1 (ko) * 2001-06-26 2008-09-19 소니 가부시끼 가이샤 촬상장치 및 촬상방법
JP2009194643A (ja) * 2008-02-14 2009-08-27 Nikon Corp 撮影装置
JP5478213B2 (ja) * 2009-11-20 2014-04-23 オリンパスイメージング株式会社 カメラ
KR20120110869A (ko) * 2011-03-30 2012-10-10 삼성전자주식회사 디지털 촬영장치, 그 제어방법 및 제어방법을 실행시키기 위한 프로그램을 저장한 기록매체
US20190373145A1 (en) * 2018-06-05 2019-12-05 Samsung Electronics Co., Ltd. Camera module for controlling iris diaphragm using signal corrected according to position of lens assembly, electronic device including the camera module, and method for operating the electronic device

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