Photometric analyzer

Details Photometric analyzer Photometric analyzer

1981-05-07

1983-12-20

McGraw, Vincent P.

Optics: measuring and testing

By shade or color

With color transmitting filter

250233, 250339, G01J 348, G01D 536

Patent

active

044214111

ABSTRACT:
A spectral photometer including a filter wheel driven by a synchronous motor and an analysis circuit. Interference effects of the power line on the output of the photometer are cancelled by provision of a speed changer to achieve each revolution of the filter wheel in the time required for a set, odd number of power line half-cycles to the motor.

REFERENCES:
patent: 3459951 (1969-08-01), Howarth et al.
patent: 3526448 (1970-09-01), Senseny
patent: 3955096 (1976-05-01), Faulhaber
patent: 4076424 (1978-02-01), Ida
patent: 4120592 (1978-10-01), Fleming et al.
patent: 4281897 (1981-08-01), Fletcher

Affiliated with

Also associated with

Rating

Photometric analyzer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Photometric analyzer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Photometric analyzer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-105171