Camera viewfinder comprising a projector
AssigneeGvbb Holdings S.A.R.L.
InventorBen VAN DEN HERIK
Life of this patent
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Abstract
A viewfinder is described that is constructed using a projection system contained within the viewfinder housing. The projection system enables the viewfinder to offer a selectable display resolution and configurable aspect ratio. The viewfinder comprises a light source, one or more imaging panels and a screen that displays the image. The viewfinder has a housing that is adapted for mounting on a camera, and the camera provides a video feed from which the image is derived. The screen may be a rear-projection screen or a front projection screen. The imaging panels may comprise liquid crystal display panels or a digital micromirror device.
Claims60
A viewfinder, comprising:
- a light source;
- one or more imaging panels that receive light from the light source and produces an optical output representative of an image;
- a screen that displays the image;
- and
- a housing that encloses the light source, the one or more imaging panels and the screen, wherein the housing is adapted to receive a magnifying eyepiece used to view the image displayed on the screen.
A method, comprising:
- providing a video signal to one or more imaging panels;
- illuminating the one or more imaging panels with a light;
- and
- projecting an image derived from the video signal on a surface of a screen,
- wherein the one or more imaging panels and the screen are collocated within a viewfinder of a camera, and wherein the image projected on the surface of the screen is viewable through an eyepiece of the viewfinder.
A viewfinder apparatus, comprising:
- means for providing a video signal to one or more imaging panels;
- means for illuminating the one or more imaging panels with a light;
- and
- means for projecting an image derived from the video signal on a surface of a screen,
- wherein the one or more imaging panels and the screen are collocated within a viewfinder of a camera, and wherein the image projected on the surface of the screen is viewable through an eyepiece of the viewfinder.
Dependencies are inferred from the claim text.