Internal indicator of a viewfinder

Details Internal indicator of a viewfinder Internal indicator of a viewfinder

1999-05-26

2000-08-15

Perkey, W. B.

Photography

Having camera indicator

Having display in viewfinder

G03B 1720

Patent

active

061048844

ABSTRACT:
Disclosed is an internal indicator of a viewfinder, wherein the viewfinder includes an viewfinder optical system including an objective optical system and an eyepiece optical system, an image formed by the objective optical system being viewed through the eyepiece optical system, the internal indicator including: an information indicating device, positioned in the vicinity of the image formed by the objective optical system, for indicating information that is seen through the eyepiece optical system; a prism for reflecting light which is emitted from the information indicating device and carries the information towards the eyepiece optical system; and a diaphragm positioned to correspond to at least an incident or exit surface of the prism.

REFERENCES:
patent: 5420657 (1995-05-01), Kosako
patent: 5488446 (1996-01-01), Kirigaya et al.
patent: 5581318 (1996-12-01), Shiratori
patent: 5802408 (1998-09-01), Suda
patent: 5839007 (1998-11-01), Kawakami
patent: 5893650 (1999-04-01), Ohmura
patent: 6002887 (1999-12-01), Chiba et al.

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