Multi-frequency screen

Details Multi-frequency screen Multi-frequency screen

1976-04-05

1978-04-11

Moses, Richard L.

Photocopying

Including fiber optics

96116, 354 4, G03G 1500

Patent

active

040836320

ABSTRACT:
A half-tone screen in which a substantially transparent substrate has a plurality of opaque regions disposed thereon. The opaque regions are arranged in at least a high frequency repetitive pattern and a low frequency repetitive pattern. This type of screen may be employed to modulate the light image of a color transparency being reproduced by an electrophotographic printing machine.

REFERENCES:
patent: 727816 (1903-05-01), Lyon
patent: 2598732 (1952-06-01), Walkup
patent: 3249437 (1966-05-01), Eekhout
patent: 3424525 (1969-01-01), Towers et al.
patent: 3905822 (1975-09-01), Marks
patent: 3914040 (1975-10-01), McVeigh
patent: 4027962 (1977-06-01), Mailloux

Affiliated with

Also associated with

Rating

Multi-frequency screen does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-986672