Apparatus and method for enhancing the images of intra-oral phot

Details Apparatus and method for enhancing the images of intra-oral phot Apparatus and method for enhancing the images of intra-oral phot

1985-06-12

1990-05-01

Gellner, Michael L.

Illumination

Supported by vehicle structure

Condition responsive

3541491, 35414911, 362 16, 362323, G03B 1503, G03B 2900, F21V 1702

Patent

active

049213440

ABSTRACT:
An apparatus for a camera utilized in intra-oral photography including a lens housing which mounts to the camera. A lens is positioned within the lens housing, and a circular flash with a transparent face and having an inner circumference and an outer circumference generally circumscibes the lens and is secured to the lens housing. A shield is removably positioned over a portion of the circular flash for blocking out a predetermined portion of the illumination from the circular flash from a circular illuminated flash into a directional or point illuminated flash. The shield includes a flange section and a lens shield section integrally bound to the flange section. A process for improving the quality of the image photography with a camera having a flash including the step of shielding a predetermined portion of the flash in order to block out a portion of the illumination in order to convert the flash from a circular flash into a directional or point flash, and photographing the intra-oral image to be photographed from a non-metallic mirror that has been positioned in a predetermined location in a person's mouth.

REFERENCES:
patent: 3382781 (1968-05-01), Hamilton
patent: 3388645 (1968-06-01), Sullivan
patent: 3424070 (1969-01-01), Nyman
patent: 3479937 (1969-11-01), Sullivan
patent: 3884222 (1975-05-01), Moore
patent: 4085436 (1978-04-01), Weiss
patent: 4425599 (1984-01-01), Rieder et al.
patent: 4519018 (1985-05-01), Rowland

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