Device for controlling image signal recording operation
First Claim
1. A device for controlling an image signal recording operation, comprising:
- a photographing optical system;
an electro-developing recording medium electronically developing an image formed by said photographing optical system;
an illumination optical system illuminating said electro-developing recording medium;
a scanner optical system positionable in an optical path of a light beam which is output by said illumination optical system and which passes through said electro-developing recording medium;
a moving mechanism that moves said scanner optical system parallel to said electro-developing recording medium, said illumination optical system and said scanner optical system being carried by said moving mechanism, whereby said illumination optical system moves with said scanner optical system;
said moving mechanism moving said illumination optical system to a position offset from an optical path of said photographing optical system wherein said photographing optical system forms an image onto said electro-developing recording medium.
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Accused Products
Abstract
An image signal recording operation control device is provided in a still video camera. The control device has a photographing optical system by which an image is formed on an electro-developing recording medium, by which the image is electronically developed. The control device also has a scanner optical system by which the image developed by the electro-developing recording medium is formed on a sensor imaging plane. A line sensor is provided for scanning on the sensor imaging plane to read out the image. When the electro-developing recording medium is not mounted in the still video camera, i.e., when an aerial image formed by the photographing optical system is read by the line sensor, the scanner optical system is displaced by a predetermined amount along the optical axis, in comparison with a state in which the electro-developing recording medium is mounted, so that the scanner optical system can form an in-focus image on the sensor imaging plane.
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Citations
21 Claims
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1. A device for controlling an image signal recording operation, comprising:
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a photographing optical system; an electro-developing recording medium electronically developing an image formed by said photographing optical system; an illumination optical system illuminating said electro-developing recording medium; a scanner optical system positionable in an optical path of a light beam which is output by said illumination optical system and which passes through said electro-developing recording medium; a moving mechanism that moves said scanner optical system parallel to said electro-developing recording medium, said illumination optical system and said scanner optical system being carried by said moving mechanism, whereby said illumination optical system moves with said scanner optical system; said moving mechanism moving said illumination optical system to a position offset from an optical path of said photographing optical system wherein said photographing optical system forms an image onto said electro-developing recording medium. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An image signal recording and reading apparatus, said apparatus comprising:
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a photographing optical system; an electro-developing recording medium that electronically develops an image formed thereon by said photographing optical system; an illuminating optical system that illuminates said electro-developing recording medium; a scanner optical system that is positioned along a path of a light beam output by said illuminating optical system and which passes through said electro-developing recording medium; said photographing optical system and said illuminating optical system being positioned on a first side of said electro-developing recording medium and said scanner optical system being positioned on a second side of said electro-developing recording medium; an optical axis of said photographing optical system being parallel to an optical axis defined between said illuminating optical system and said scanner optical system; a moving mechanism that moves said scanner optical system parallel to said electro-developing recording medium; said moving mechanism moving said illuminating optical system to a position spaced from an optical path of said photographing optical system when said photographing optical system forms an image onto said electro-developing recording medium and moves said illuminating optical system onto the optical path of said photographing optical system when said scanner optical system reads an image formed on said electro-developing recording medium. - View Dependent Claims (21)
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Specification