Detection apparatus

Details Detection apparatus Detection apparatus

1982-07-16

1985-01-29

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

356394, 358101, 358107, 364507, 382 8, H04N 718

Patent

active

044969716

ABSTRACT:
Printed circuits can be inspected by eye, which is fatiguing or automatically by comparison with a master pattern by optical super-imposition, which requires great precision in handling. In the present invention analysis of optical scanning of a pattern determines the directions of boundaries of features of the pattern and employs this analysis to identify any local divergence from the prevailing direction of the boundary.

REFERENCES:
patent: 3887762 (1975-06-01), Uno
patent: 4152723 (1979-05-01), McMahon
patent: 4349880 (1982-09-01), Southgate
patent: 4378494 (1983-03-01), Miller
patent: 4379308 (1983-04-01), Kosmowski

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-509248