Image pickup device, control method thereof and program
For preventing frequent use of auto-focus control and also for acquiring stable in-focus positions for target-objects, this invention comprises system control section 60 having a second mode to drive magnification adjustment lens 11 or focus adjustment lens 12 upon a user command, and a third mode t...
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Main Authors | , , |
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Format | Patent |
Language | Chinese English |
Published |
23.07.2014
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Subjects | |
Online Access | Get full text |
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Abstract | For preventing frequent use of auto-focus control and also for acquiring stable in-focus positions for target-objects, this invention comprises system control section 60 having a second mode to drive magnification adjustment lens 11 or focus adjustment lens 12 upon a user command, and a third mode to transition to a first mode under pre-determined conditions in the second mode, and to set in-focus states of a lens group, wherein system control section 60 stores a reference target-object distance in reference target-object distance storage section 43 when focus adjustment lens 12 is driven by user commands in the second mode, drives focus adjustment lens 12 not based on a current target-object distance but the lens in-focus trajectory data to retain the reference target-object distance when the magnification adjustment lens 11 is driven by user commands, and re-transitions to the second mode without updating the reference target-object distance, after the third mode. |
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AbstractList | For preventing frequent use of auto-focus control and also for acquiring stable in-focus positions for target-objects, this invention comprises system control section 60 having a second mode to drive magnification adjustment lens 11 or focus adjustment lens 12 upon a user command, and a third mode to transition to a first mode under pre-determined conditions in the second mode, and to set in-focus states of a lens group, wherein system control section 60 stores a reference target-object distance in reference target-object distance storage section 43 when focus adjustment lens 12 is driven by user commands in the second mode, drives focus adjustment lens 12 not based on a current target-object distance but the lens in-focus trajectory data to retain the reference target-object distance when the magnification adjustment lens 11 is driven by user commands, and re-transitions to the second mode without updating the reference target-object distance, after the third mode. |
Author | NISHIGUCHI TOMOAKI ANDO AKIRA YOKOYAMA TOSHIYUKI |
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Notes | Application Number: CN201110412368 |
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Snippet | For preventing frequent use of auto-focus control and also for acquiring stable in-focus positions for target-objects, this invention comprises system control... |
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SubjectTerms | ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION |
Title | Image pickup device, control method thereof and program |
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