Light source device for an endoscope which maintains a constant

Details Light source device for an endoscope which maintains a constant Light source device for an endoscope which maintains a constant

1988-09-15

1989-09-26

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

128 6, H04N 718

Patent

active

048704873

ABSTRACT:
A white light of a lamp, which can flash, is passed through a rotary filter fitted with a plurality of color filters to output field sequential type colored light. An output signal of a color filter detecting device, detecting the timing when the color filters are interposed in a light path, is used to produce trigger signals having different delay amounts. The light emitting timing of the lamp is delayed relatively from the time when the color filters are interposed in the light path to control the emitted light amounts of the colored light.

REFERENCES:
patent: 4423436 (1983-12-01), Kimura
patent: 4546379 (1985-10-01), Sarofeen et al.
patent: 4602281 (1986-07-01), Nagasaki et al.
patent: 4769693 (1988-09-01), Kato

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