Device and method for determining skin type

Details Device and method for determining skin type Device and method for determining skin type

1985-08-20

1987-06-16

Coven, Edward M.

Surgery

Truss

Pad

A61B 500

Patent

active

046729739

ABSTRACT:
A battery-operated device and method for determining the skin type of a living subject is disclosed in which an oil sample carried by a probe is subjected to the impingement of an essentially monochromatic light source of predetermined wavelength. The amount of light passing through the oil sample is detected and an output current proportional thereto is produced. This output current is amplified and drives a meter which displays the skin type of the subject. Calibration means and a method for calibrating the meter utilizing an oil-free probe are disclosed, as well as a means for adjusting the bandwidth of the output of the amplifier to coincide with the meter.

REFERENCES:
patent: Re31879 (1985-05-01), Lubbers et al.
patent: 3648685 (1972-03-01), Hepp et al.
patent: 4170987 (1979-10-01), Anselmo et al.
patent: 4267844 (1981-05-01), Yamanishi
patent: 4370986 (1983-02-01), Gebhart et al.
patent: 4392498 (1983-07-01), Leveque et al.
patent: 4398541 (1983-08-01), Pugliese
patent: 4414980 (1983-11-01), Mott
patent: 4442844 (1984-04-01), Navach

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