Image rotating device of stomatocamera

Details Image rotating device of stomatocamera Image rotating device of stomatocamera

1998-10-19

2002-07-09

Kelley, Chris (Department: 2613)

Television

Special applications

With endoscope

C433S055000

Reexamination Certificate

active

06417881

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a dental stomatocamera for displaying an image observed in the mouth on a TV monitor and relates particularly to an image rotating device capable of rotating an observed image and displaying it on a TV monitor.
2. Discussion of Related Art
Referring to
FIG. 12
, the conventional stomatocamera for photographing the condition inside the mouth comprises camera frame
11
fitted with built-in charge coupled device (CCD)
15
and, rotatably coupled therewith by means of coupler
17
, lens unit
12
fitted with built-in prism
13
for introducing incident light and built-in fiber
14
. Light is rotated by rotating the camera frame
11
by means of the coupler
17
. The rotated light is subjected to photoelectric transfer and passed through control unit
18
, and rotated image is displayed on TV monitor
19
.
However, the rotating of the camera frame
11
in order to rotate an image as in the conventional stomatocamera has a drawback in that the rotation is not simple and renders handling difficult.
SUMMARY OF THE INVENTION
The present invention has been made with a view to resolving the above problem of the prior art, and an essential and principal object of the present invention is to provide an image rotating device for use in a stomatocamera, which enables rotating an image without rotating the stomatocamera frame.
The foregoing and other objects, features and advantages of the present invention will become apparent from the following detailed description and appended claims taken in connection with the accompanying drawings.


REFERENCES:
patent: 4775887 (1988-10-01), Tachi
patent: 5115307 (1992-05-01), Cooper et al.
patent: 5527261 (1996-06-01), Monroe et al.
patent: 5528432 (1996-06-01), Donahoo
patent: 5645740 (1997-07-01), Naiman et al.
patent: 5745165 (1998-04-01), Astuta et al.
patent: 63-133202 (1988-08-01), None
patent: 63-133203 (1988-08-01), None
patent: 63-133204 (1988-08-01), None
patent: 2-109554 (1990-04-01), None
patent: 5-111497 (1993-05-01), None
patent: 7-38846 (1995-05-01), None

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