Image focusing apparatus for fiberscopes

Details Image focusing apparatus for fiberscopes Image focusing apparatus for fiberscopes

1978-08-10

1980-01-08

Corbin, John K.

Surgery

Truss

Pad

128 4, 350255, G02B 517

Patent

active

041825470

ABSTRACT:
The distal objective of a fiberscope is fixed to one end of a helical spring formed of a bimetallic composite adapted to extend and contract when heated and cooled, carrying the objective along its axis. Remotely controlled heating of the spring effects adjustment of the objective for image focusing purposes.

REFERENCES:
patent: 3091235 (1963-05-01), Richards
patent: 3913568 (1975-10-01), Carpenter

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