Camera
First Claim
Patent Images
1. A dust removal camera comprising:
- an image pickup optical system which forms an optical image of an object;
a photoelectric converting device which converts the optical image to an electric signal;
an optical device disposed between the image pickup optical system and the photoelectric converting device; and
a vibration applying section which generates at least one of a standing wave and a progressive wave on a surface of the optical device to remove dust adhered to the surface of the optical device and includes piezoelectric bodies fixed outside an image formation light ray passing-through area of the optical device, wherein the piezoelectric bodies include laminated piezoelectric bodies laminated on the surface of the optical device.
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Accused Products
Abstract
A camera provided with a lens assembly, a CCD and a circuit for applying a signal which is disposed between the lens assembly and the CCD, where the circuit for applying a signal is vibrated.
89 Citations
3 Claims
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1. A dust removal camera comprising:
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an image pickup optical system which forms an optical image of an object; a photoelectric converting device which converts the optical image to an electric signal; an optical device disposed between the image pickup optical system and the photoelectric converting device; and a vibration applying section which generates at least one of a standing wave and a progressive wave on a surface of the optical device to remove dust adhered to the surface of the optical device and includes piezoelectric bodies fixed outside an image formation light ray passing-through area of the optical device, wherein the piezoelectric bodies include laminated piezoelectric bodies laminated on the surface of the optical device. - View Dependent Claims (2, 3)
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Specification
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Current AssigneeOM Digital Solutions Corporation
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Original AssigneeOlympus Optical Corporation Limited (Olympus Corporation)
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InventorsKawai, Sumio
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Primary Examiner(s)Tran, Thai
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Assistant Examiner(s)Hernandez, Nelson D
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Application NumberUS10/037,353Publication NumberTime in Patent Office1,530 DaysField of Search348/208.11, 348/374, 348/373, 348/205, 348/351, 348/340, 348/335US Class Current348/340CPC Class CodesH04N 23/52 Elements optimising image s...H04N 23/55 Optical parts specially ada...H04N 23/81 for suppressing or minimisi...H04N 23/811 by dust removal, e.g. from ...
