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Control apparatus, control method, image capturing apparatus, image capturing system and storage medium

A technology for controlling equipment and camera equipment, which is applied in the parts of TV systems, image communication, TV and other directions, and can solve the problems of difficult to view LV image framing and other problems

Active Publication Date: 2021-06-22
CANON KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In these cases, it is difficult to do framing by looking at the LV image

Method used

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  • Control apparatus, control method, image capturing apparatus, image capturing system and storage medium
  • Control apparatus, control method, image capturing apparatus, image capturing system and storage medium
  • Control apparatus, control method, image capturing apparatus, image capturing system and storage medium

Examples

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no. 1 example

[0028]figure 1 is a block diagram showing the configuration of the imaging apparatus 1 according to the first embodiment of the present invention. exist figure 1 , the first lens 100 is arranged at the front end of the imaging optical system 104 . The aperture of the aperture 101 is adjusted to control the amount of light when shooting. The second lens 102 and the third lens 103 are driven by the focus actuator 120 and move back and forth in the optical axis direction to adjust the focus of the imaging optical system 104 .

[0029] The focal plane shutter 105 has a function of adjusting an exposure time period when shooting a still image. However, in the case where the electronic shutter is used to adjust the exposure period in slit-rolling reading, the focal plane shutter 105 is not used to adjust the exposure period. Optical low pass filter 106 is used to reduce false color and moiré in the captured image.

[0030] The image sensor 107 photoelectrically converts an optic...

no. 2 example

[0093] A second embodiment of the present invention will be described below.

[0094] In the first embodiment, in order to reduce power consumption, readout of an image signal for still image generation and readout of an image signal for LV image generation are performed by different readout methods. However, doing so not only complicates the processing, but also results in a decrease in the display frame rate. Therefore, in the second embodiment, a method of suppressing a decrease in the display frame rate by using a read image signal for still image generation for LV display during continuous shooting of still images will be described.

[0095] Figure 7 is a timing chart showing a still image shooting operation in the second embodiment. The readout method of the LV image before pressing the still image shooting button may or may not be the same as the still image readout method, however, from the viewpoint of the time difference from readout to display and power saving, t...

no. 3 example

[0106] A third embodiment of the present invention will be described below.

[0107] Figure 8 is a block diagram showing the configuration of the imaging system according to the third embodiment. and figure 1 Components that are the same as those shown are denoted by the same reference numerals and will not be described again. In this embodiment, by connecting the external device 700 to a figure 1 With the image pickup apparatus 1 configured as shown, the image pickup apparatus 1 and the external device 700 can operate integrally. In this embodiment, an example of such a configuration in which a synchronization signal is input to the external device 700 to maintain synchronization between the external device 700 and the imaging apparatus 1 will be described.

[0108] The second CPU 701 is built in the external device 700, and the second CPU 701 and the CPU 110 are connected and exchange information via communication. The second CPU 701 sets the second timing pulse genera...

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Abstract

The invention provides a control apparatus, a control method, an image capturing apparatus, an image capturing system and a storage medium. The control apparatus comprises a generation unit that generates a first synchronization signal and a second synchronization signal; and a control unit that controls the generation unit. The control unit controls the generation unit such that the first synchronization signal used to repeatedly readout a first image signal to be sequentially displayed on a display and the second synchronization signal used to display the first image signal on the display are output with a predetermined time difference. In a case where a second image signal is read out at a timing corresponding to a shooting instruction between readouts of the first image signals, the first and second synchronization signals are output with the predetermined time difference before and after the readouts of the second image signal.

Description

technical field [0001] The present invention relates to a control device, a control method, an imaging device, an imaging system, and a storage medium, and more particularly, to a technique for controlling image capture timing of images and display timing of captured images. Background technique [0002] Some digital cameras and electronic devices having a camera function (hereinafter collectively referred to as "camera") have a live view (LV) function. The LV function is a function of taking a moving image and displaying the obtained image (hereinafter referred to as "LV image") on a display in parallel. By using the displayed LV image as a viewfinder, users can find the ideal composition in still image shooting or moving image shooting while checking the LV image. Hereinafter, an operation of adjusting shooting conditions (for example, changing a zoom ratio, pan, tilt, etc.) in order to find an ideal composition is referred to as "framing". [0003] For users to take ima...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232
CPCH04N23/60H04N23/63H04N23/665
Inventor 伊藤笃义
Owner CANON KK
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