3-D endoscope apparatus

Details 3-D endoscope apparatus 3-D endoscope apparatus

1993-12-08

1995-10-17

Nelms, David C.

Optical: systems and elements

Stereoscopic

359463, 359466, 359472, 359476, 385 34, 385117, H01J 4014

Patent

active

054596050

ABSTRACT:
An endoscope has a first end for insertion into a body, or other visually obscured area, with an optical image-forming lens device in the first end for forming two, side-by-side images of an object on opposite sides of the central axis of the endoscope. The images are transmitted to the opposite end of the endoscope, where they are received by a viewing device for three-dimensional viewing of the images by an operator. An image converging mechanism is provided in the image paths to provide a suitable convergence angle between the images at the viewing device.

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patent: 4111529 (1978-09-01), Yamashita
patent: 4623223 (1986-11-01), Kemp
patent: 4651201 (1987-03-01), Schoolman
patent: 4838247 (1989-06-01), Forkner
patent: 4862873 (1989-09-01), Yajima et al.
patent: 4926257 (1990-05-01), Miyazaki
patent: 5191203 (1993-03-01), McKinley

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