Endoscope having an electrically insulated solid-state image sen

Details Endoscope having an electrically insulated solid-state image sen Endoscope having an electrically insulated solid-state image sen

1987-07-31

1988-10-11

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

128 4, H04N 718, A61B 104

Patent

active

047775246

ABSTRACT:
In an endoscope having an insertion section and a control section, a distal-end unit is provided at the distal end portion of the insertion section. An objective optical system, which includes a moving lens held by a lens frame, and a solid-state image sensing unit for converting an optical image, formed by the objective optical system, into an electrical signal, are disposed inside the distal-end unit. A transmission member which serves to transmit the electrical signal from the image sensing unit, is connected to the image sensing unit. The distal end portion of a coupling member is connected to the lens frame, and its proximal end portion extends through the insertion section into the control section. A shift-control mechanism for controlling the movement of the moving lens is coupled to the proximal end portion of the coupling member. The endoscope further comprises insulating means for electrically insulating the solid-state image sensing unit, the objective optical system, the transmission member, and the coupling member, from the outside. Thus, an accident from electric shock can be prevented from being caused by leakage current.

REFERENCES:
patent: 3499107 (1970-03-01), Sheldon
patent: 4615330 (1986-10-01), Nagasaki
patent: 4620769 (1986-11-01), Tsuno
patent: 4682219 (1987-07-01), Arakawa
patent: 4685450 (1987-08-01), Collins et al.
U.S. Claim-Embodiment (inventorship), concordance-Jap. Agent Case MTK 62P277.

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