Image-taking device

• US 20060153554A1
• Filed: 01/10/2006
• Published: 07/13/2006
• Est. Priority Date: 01/13/2005
• Status: Active Grant

• Current Assignee: Fujifilm Corporation (Fujifilm Holdings Corporation)
• Original Assignee: Fuji Photo Film Co Limited (Fujifilm Holdings Corporation)
• Inventors: Misawa, Atsushi, Miyaishi, Hitoki
• Granted Patent: US 7,590,337 B2
• Time in Patent Office: Days
• US Class Current: 396/55
• CPC Class Codes: G03B 5/04 Vertical adjustment of lens; Rising fronts

Abstract

An image-taking device is capable of effectively utilizing a shake correcting section and thereby shooting an image with little blur. The image-taking device includes: an angular rate sensor which detects a shake; a shift lens which travels within a predetermined moving range to correct the shake; a shift lens driving section which pulls the shift lens, which has moved to a biased position from a predetermined center, back to the center; a central processing unit which calculates a correction effect for the shake; and a liquid crystal monitor. The central processing unit calculates the correction effect based on a distance between the position of the moved shift lens and the center, and displays the correction effect on the liquid crystal monitor.

Claims

1. An image-taking device configured to focus an object image on an image pickup device by use of an image-taking optical system and to generate an image signal for recording in response to a shooting instruction, the image-taking device comprising:

a shake correcting section which corrects a shake when shooting an image,

wherein the shake correcting section includes;

a shake detecting section which detects the shake;

a correcting member which travels within a predetermined moving range and corrects the shake;

a correcting member driving section which moves the correcting member so as to correct the shake detected by the shake detecting section;

a correction effect calculating section which calculates a correction effect for the shake; and

a correction effect displaying section which displays the correction effect obtained by the correction effect calculating section.

2. The image-taking device according to claim 1,

wherein the correcting member driving section pulls the correcting member, which has moved to a biased position from a predetermined center, back to the center after shooting an image, and

the correction effect calculating section calculates the correction effect based on a distance between the biased position of the correcting member and the center.

3. The image-taking device according to claim 1,

wherein the correcting member driving section pulls the correcting member, which has moved to a biased position from a predetermined center, back to the center after shooting an image by use of a pullback force corresponding to a distance between the biased position of the correcting member and the center, and

the correction effect calculating section calculates the correction effect based on the pullback force.

4. The image-taking device according to claim 1,

wherein the shake correcting section has the correction effects at different levels depending on a frequency of the shake,

the shake detecting section detects the shake depending on each of frequency components, and

the correction effect calculating section calculates the correction effect for the shake based on the shake depending on each of frequency components detected by the shake detecting section and the level of the correction effect corresponding to the frequency of the shake achieved by the shake correcting section.

5. The image-taking device according to claim 1,

wherein the correction effect calculating section calculates the correction effect based on an integrated value of a predetermined period in the past.

6. The image-taking device according to claim 1,

wherein the correction effect calculating section calculates the correction effect by use of multiple samplings including the present.

7. The image-taking device according to claim 1,

wherein the correction effect calculating section calculates the correction effect by use of multiple samplings excluding the present.