Light source device for an endoscope using a DMD

Details Light source device for an endoscope using a DMD Light source device for an endoscope using a DMD

2005-04-12

2005-04-12

Leubecker, John P. (Department: 3739)

Surgery

Endoscope

Having imaging and illumination means

C600S178000, C600S181000

Reexamination Certificate

active

06878109

ABSTRACT:
An endoscope system comprising an endoscope which incorporates an imaging element together with an element for determining the type of the imaging element; a light source apparatus, which includes a DMD in a light path from a light source lamp, for determining incidence or non-incidence of the illuminating light from the light source lamp on a mirror; a CPU which determines the type of imaging element based on the information provided by the type determining element and detects a time required by the imaging element for charge reading based on the determination result; and a DMD control circuit which controls the DMD at a charge reading timing of the imaging element corresponding to the charge reading time detected by the CPU, the endoscope system making it possible to extend the exposure time to a maximum regardless of the type of the endoscope, by controlling the light shielding time of illuminating light in accordance with the type of the imaging element.

REFERENCES:
patent: 20030076571 (2003-04-01), MacAulay et al.
patent: 2001-59942 (2001-03-01), None
patent: 2001-221959 (2001-08-01), None
patent: 2001-0235686 (2001-08-01), None

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