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US 4,231,649 AGranted
Viewfinder display in a single lens reflex camera
AssigneeNippon Kogaku K.K.
InventorsMakoto Kimura, Yutaka Iizuka
Life of this patent
Estimating the term…
Abstract
A single lens reflex camera body comprises a projected portion provided in the front face of the camera body between a mounting portion of the camera body to which a photographic lens is mounted and a viewfinder mounted to the camera body, and display means provided in the projected portion. The display means is capable of being viewed through the viewfinder mounted to the camera body.
Claims9
A single lens reflex camera body to which a viewfinder system can be removably mounted, comprising:
- a projected portion provided in the front face of the camera body between a mounting portion of the camera body on which a photographic lens is mounted and a viewfinder mounted on the camera body;
- and
- display means provided in said projected portion, said display means being capable of being viewed through a viewfinder mounted on the camera body, and wherein said projected portion includes illumination means for illuminating said display means, and said display means is a light transmitting display element located between said illumination means and said viewfinder.
A single lens reflex camera body to which a viewfinder system is mounted, comprising:
- a projected portion provided in the front face of the camera body between the mounting portion of the camera body to which a photographic lens is mounted and said view-finder;
- a light transmitting display element provided in said projected portion, said display element being capable of being viewed through the viewfinder;
- illumination means provided in said projected portion and between said display element and said photographic lens, said illumination means including a lamp and a light guide having an incident surface on which ambient light is incident, a first exiting surface opposed to said display element and an inclined surface for totally reflecting the light passing through said incident surface toward said first exiting surface to illuminate said display element, said lamp being located adjacent to said inclined surface so that the light from said lamp enters said light guide through said inclined surface in the direction of said first exiting surface, to thereby illuminate said display element.
Dependencies are inferred from the claim text.