Image pickup apparatus to control an exposure time based on motion of a detected optical image
First Claim
Patent Images
1. An image pickup apparatus comprising:
- an image pickup optical system that forms an optical image of an object to be photographed;
an image pickup sensor that receives the formed optical image, converts the optical image to an electrical image signal and outputs the electrical image signal;
a camera shake correcting section that corrects a shake of the optical image caused by a motion of the image pickup apparatus;
a motion detecting section that is configured to detect a motion of the optical image of the object caused by a motion of the object, wherein the motion detecting section detects the motion of the optical image based on images captured when the camera shake correcting section is correcting the shake of the optical image caused by the motion of the image pickup apparatus; and
a control section that is configured to control an exposure time according to the detected motion of the optical image of the object.
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Abstract
Provided is an imaging device capable of reducing image degradation due to a shake of a hand or an object and easily capturing an image of preferable image quality. The imaging device (1) includes: an imaging optical system (L) for forming an optical image of an object; an imaging sensor (4) for receiving the formed optical image and converting it into an electric image signal for output; a motion detecting unit (100) for detecting a motion of an object to be imaged according to the outputted image signal; and a microcomputer (3) for controlling an exposure time in accordance with the motion of the detected optical image of the object.
39 Citations
16 Claims
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1. An image pickup apparatus comprising:
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an image pickup optical system that forms an optical image of an object to be photographed; an image pickup sensor that receives the formed optical image, converts the optical image to an electrical image signal and outputs the electrical image signal; a camera shake correcting section that corrects a shake of the optical image caused by a motion of the image pickup apparatus; a motion detecting section that is configured to detect a motion of the optical image of the object caused by a motion of the object, wherein the motion detecting section detects the motion of the optical image based on images captured when the camera shake correcting section is correcting the shake of the optical image caused by the motion of the image pickup apparatus; and a control section that is configured to control an exposure time according to the detected motion of the optical image of the object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An image pickup apparatus used in combination with a lens barrel which mounts a camera shake correcting section that corrects a shake of an optical image caused by a motion of the image pickup apparatus, the apparatus comprising:
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an image pickup sensor that receives a formed optical image, converts the image to an electrical image signal and outputs the converted signal; a motion detecting section that is configured to detect a motion of the optical image of an object to be photographed caused by a motion of the object, wherein the motion detecting section detects the motion of the optical image based on images captured when the camera shake correcting section is correcting the shake of the optical image caused by the motion of the image pickup apparatus; and a control section that is configured to control an exposure time in accordance with the detected motion of the optical image of the object.
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Specification