Method of testing photographic film using multicolor sensitomete

Details Method of testing photographic film using multicolor sensitomete Method of testing photographic film using multicolor sensitomete

1978-01-26

1980-11-25

Gonzales, John

G03B 4100

Patent

active

042355370

ABSTRACT:
The sensitivity of photographic materials is measured by a device that generates a controlled exposure of light of predetermined color characteristics. Color control is maintained by subjecting an electroluminescent light source to excitation by alternating current voltages at particular frequencies selected with reference to the light souce color response.

REFERENCES:
patent: 3118079 (1964-01-01), Lehmann
patent: 3332332 (1972-07-01), Blain et al.
patent: 3496410 (1970-02-01), MacIntyre
patent: 3655972 (1972-04-01), Somerset
patent: 3698294 (1972-10-01), Sanford
patent: 4080075 (1978-03-01), Berg
J. A. Reynolds, "A Portable . . . Source", Lab. Practices, vol. 16, No. 19, Sep. 1967, pp. 1119-1121.

Affiliated with

Also associated with

Rating

Method of testing photographic film using multicolor sensitomete does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of testing photographic film using multicolor sensitomete, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of testing photographic film using multicolor sensitomete will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1127198