Surgeons headlight with continuously variable spot size

Details Surgeons headlight with continuously variable spot size Surgeons headlight with continuously variable spot size

1977-04-11

1978-08-01

Nelson, Peter A.

Illumination

With wearing apparel or body support

Head covering or clamp

362282, 362321, 362804, 128 20, F21C 1514

Patent

active

041047095

ABSTRACT:
A surgeon's headlight utilizing an adjustable iris diaphragm to allow continuous variation of the diameter of the illuminated spot.

REFERENCES:
patent: 1705465 (1929-03-01), Cameron
patent: 3285242 (1966-11-01), Wallace
patent: 3371202 (1968-02-01), Moore et al.
patent: 3745993 (1973-07-01), Feinbloom
patent: 3947676 (1976-03-01), Battilana et al.
patent: 3951139 (1976-04-01), Kloots

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