Operation microscope

Details Operation microscope Operation microscope

1990-03-13

1992-07-21

Arnold, Bruce Y.

Optical: systems and elements

Compound lens system

Microscope

359368, 359473, G02B 2122, G02B 2722

Patent

active

051328372

ABSTRACT:
An operation microscope including a plurality of objective lenses arranged at different angles with respect to an object to be viewed and a selecting optical system having a function of selecting one of light beams from the objective lenses and enabling the object to be observed at the different angles. Accordingly, a visual field for observation of an object to be operated may be expanded.

REFERENCES:
patent: 1864895 (1932-06-01), Egy
patent: 1985073 (1934-12-01), Bauersfeld
patent: 3734593 (1973-05-01), Mori
patent: 4290666 (1981-09-01), Rudel
patent: 4440475 (1984-04-01), Colliaux
patent: 4527869 (1985-07-01), Nihoshi
patent: 4619503 (1986-10-01), Reinheimer et al.
patent: 4714327 (1987-12-01), Marshall
patent: 4872052 (1989-10-01), Liudzius et al.

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