Television – Special applications – With endoscope
Patent
1994-04-22
1997-01-28
Britton, Howard W.
Television
Special applications
With endoscope
348335, 359720, H04N 718, A61B 104, A61B 106
Patent
active
055982050
ABSTRACT:
An imaging apparatus includes an objective lens system for forming an image of an object, a solid-state image pickup device, a signal processor and a display device. The objective lens system includes at least one revolutionally asymmetrical refractive surface for deforming the image formed by the objective lens system and is configured so as to deform further the image which is deformed by the signal processor.
REFERENCES:
patent: 4467361 (1984-08-01), Ohno
patent: 4916534 (1990-04-01), Takahashi
patent: 5177605 (1993-01-01), Takahashi
patent: 5184223 (1993-02-01), Mihara
patent: 5329310 (1994-07-01), Liljegren
Britton Howard W.
Olympus Optical Co,. Ltd.
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