Device for supplying light to endoscopes

Details Device for supplying light to endoscopes Device for supplying light to endoscopes

1993-06-11

1995-07-04

Chin, Tommy P.

Television

Special applications

With endoscope

348270, H04N 718, H04N 904, A61B 106

Patent

active

054304768

ABSTRACT:
A device has a light source apparatus, which, as required, feeds white continuous light or sequential colored light by means of a filter device having several color surface regions and two filter discs which can be rotary driven, into a particular endoscope. One filter disc is provided with the color segments red, green and white and the other filter disc is provided with the color segments blue and white to achieve a simplified and structurally compact light source apparatus, both filter discs being arranged to be rotatable on a common rotary axis and adjustable relative to one another and fixable such that the white color segment of one filter disc covers the blue color segment of the other filter disc in a first operating position of the filter discs, and the white color segment of one filter disc is aligned to be axis-parallel with the white color segment of the other filter disc in a second operating position of the filter discs.

REFERENCES:
patent: 4887153 (1989-12-01), Uehara et al.
patent: 4951133 (1990-08-01), Onoda
patent: 4983019 (1991-01-01), Ikuno et al.
Brochure of Richard Wolf GmbH, "Elektronisches Video-Endoskop-System 45 000", dated May 5, 1988, 4 pages.

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