Image-capturing apparatus, lens apparatus, image-capturing system, method for controlling image-capturing apparatus, and method for controlling lens apparatus
AssigneeCanon Kabushiki Kaisha
InventorYuji Tsuda
Life of this patent
Estimating the term…
Abstract
An image-capturing apparatus adapted to receive a detachable lens apparatus having a mechanical shutter includes an image-capturing unit configured to capture an image of a subject, a communication unit configured to enable communication with the lens apparatus, and a control unit configured to perform an image generating operation using a video signal supplied from the image-capturing unit. The control unit controls timing of the image generating operations performed together with a plurality of opening and closing operations of the mechanical shutter on the basis of information received via the communication unit.
Claims10
An image-capturing apparatus to receive a detachable lens apparatus having an iris and a mechanical shutter, the image-capturing apparatus comprising:
- an image-capturing unit configured to capture an image of a subject;
- a communication unit configured to enable communication with the lens apparatus;
- and
- a control unit configured to perform an image generating operation using a video signal supplied from the image-capturing unit,
- wherein the control unit controls timing of the image generating operations performed together with a plurality of opening and closing operations of the mechanical shutter on the basis of information received via the communication unit,
- wherein the information is regarding the mechanical shutter disposed in the lens apparatus.
A lens apparatus detachably mounted on an image-capturing apparatus, the lens apparatus comprising:
- an iris;
- a mechanical shutter configured to perform an opening and closing operation;
- a storage unit configured to store information used when the mechanical shutter repeats the opening and closing operation a plurality of times;
- and
- a communication unit configured to allow the lens apparatus to send the information to the image-capturing apparatus,
- wherein the information is used for controlling shooting operation performed in the image-capturing apparatus.
An image-capturing system comprising:
- a lens apparatus having an iris and a mechanical shutter;
- and
- an image-capturing apparatus detachably mounted to the lens apparatus, the image-capturing apparatus including,
- an image-capturing unit configured to capture an image of a subject;
- a communication unit configured to enable communication with the lens apparatus;
- and
- a control unit configured to perform an image generating operation using a video signal supplied from the image-capturing unit,
- wherein the control unit controls timing of the image generating operations performed together with a plurality of opening and closing operations of the mechanical shutter on the basis of information received via the communication unit,
- wherein the information is regarding the mechanical shutter disposed in the lens apparatus.
A method for controlling an image-capturing apparatus detachably mounted to a lens apparatus having an iris and a mechanical shutter, the image-capturing apparatus including an image-capturing unit configured to capture an image of a subject;
- a communication unit configured to enable communication with the lens apparatus;
- and a control unit configured to perform an image generating operation using a video signal supplied from the image-capturing unit, the method comprising:
- capturing an image of a subject and supplying a video signal of the image to the control unit;
- communicating with the lens apparatus;
- performing an image generating operation using the supplied video signal;
- and
- controlling, on the basis of information received via the communication with the lens apparatus, timing of the image generating operation performed together with a plurality of opening and closing operations of the mechanical shutter,
- wherein the information is regarding the mechanical shutter disposed in the lens apparatus.
A method for controlling a lens apparatus having an iris and a mechanical shutter detachably mounted on an image-capturing apparatus, the method comprising:
- performing an opening and closing operation of the mechanical shutter;
- reading out information, used when the opening and closing operation of the mechanical shutter is repeated a plurality of times, from a storage unit;
- and
- sending the information to the image-capturing apparatus,
- wherein the information is used for controlling shooting operation performed in the image-capturing apparatus.
A computer readable medium containing computer-executable instructions for controlling an image-capturing apparatus detachably mounted to a lens apparatus having an iris and a mechanical shutter, the image-capturing apparatus including an image-capturing unit configured to capture an image of a subject;
- a communication unit configured to enable communication with the lens apparatus;
- and a control unit configured to perform an image generating operation using a video signal supplied from the image-capturing unit, the computer readable instructions comprising:
- computer-executable instructions for capturing an image of a subject and supplying a video signal of the image to the control unit;
- computer-executable instructions for communicating with the lens apparatus;
- computer-executable instructions for performing an image generating operation using the supplied video signal;
- and
- computer-executable instructions for controlling, on the basis of information received via the communication with the lens apparatus, timing of the image generating operation performed together with a plurality of opening and closing operations of the mechanical shutter,
- wherein the information is regarding the mechanical shutter disposed in the lens apparatus.
A computer readable medium containing computer-executable instructions for controlling a lens apparatus having an iris and a mechanical shutter detachably mounted on an image-capturing apparatus, the medium comprising:
- computer-executable instructions for performing an opening and closing operation of the mechanical shutter;
- computer-executable instructions for reading out information, used when the opening and closing operation of the mechanical shutter is repeated a plurality of times, from a storage unit;
- and
- computer-executable instructions for sending the information to the image-capturing apparatus,
- wherein the information is used for controlling shooting operation performed in the image-capturing apparatus.
Dependencies are inferred from the claim text.