Machine readable and visually verifiable security threads and se

Details Machine readable and visually verifiable security threads and se Machine readable and visually verifiable security threads and se

1995-06-06

1997-06-17

Fridie, Jr., Willmon

Printed matter

Having revealable concealed information, fraud preventer or...

And electrically conductive material

283 72, B42D 1500

Patent

active

056391269

ABSTRACT:
Security strips or threads are provided which are suitable for at least partial incorporation in and/or for mounting on security documents or means for identification, such as labels, and which comprise the following deposited or laminated layers: at least one layer of a plastic substrate; a layer of a first security detection feature made up of identifying marks or indicia; and a layer of a second security detection feature comprising a generally invisible, optionally repeating pattern. The repeating pattern comprises at least one very thin conductive region and at least one electrically isolating region. Also provided is a security paper having such a security thread at least partially embedded therein and/or mounted on a surface thereof and a process for making the security paper. Further provided is a method of verifying the authenticity and reading the coded information of a security paper employing such a security thread.

REFERENCES:
patent: 4183989 (1980-01-01), Tooth
patent: 4290630 (1981-09-01), Lee
patent: 4579371 (1986-04-01), Long et al.
patent: 4609207 (1986-09-01), Muck et al.
patent: 4763927 (1988-08-01), Schneider
patent: 4943093 (1990-07-01), Melling et al.
patent: 5176405 (1993-01-01), Kaule et al.
patent: 5516153 (1996-05-01), Kaule

Affiliated with

Also associated with

Rating

Machine readable and visually verifiable security threads and se does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Machine readable and visually verifiable security threads and se, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Machine readable and visually verifiable security threads and se will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2153846