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Patent Searching and Data


Title:
ELECTRONIC ENDOSCOPE
Document Type and Number:
Japanese Patent JP3363377
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide an electronic endoscope which has variable observation depth and permits observation over a wide range and is small-sized, easy to assemble and equipped with a sufficient watertight structure.
SOLUTION: When an observation depth adjusting knob is properly operated, an operation wire 74 is moved back and forth and a projection part 49a fixed integrally to the tip part of the operation wire 74 moves as the operation wire 74 moves. Then a lens frame 49 arranged in an external frame 41 in an image pickup unit 40 moves in a moving support frame 55 toward a cover glass 23 or solid-state image pickup element 50 to adjust the observation depth of an objective optical system.


Inventors:
Fujimori, Noriyuki
Application Number:
JP1998000120860
Publication Date:
January 08, 2003
Filing Date:
April 30, 1998
Export Citation:
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Assignee:
OLYMPUS OPTICAL CO LTD
International Classes:
G02B23/24; A61B1/00; A61B1/04; G02B23/26; (IPC1-7): G02B23/24; A61B1/00; A61B1/04; G02B23/26
Attorney, Agent or Firm:
伊藤 進