Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1996-09-09
1998-05-26
Hofsass, Jeffrey A.
Communications: electrical
Condition responsive indicating system
Specific condition
340551, 148108, 148304, G08B 1314
Patent
active
057572720
ABSTRACT:
For security against theft or for identification of products using an electronic alternating field in an interrogation zone, a pulse generator, upon magnetic reversal due to a Barkhausen jump, exhibits an impulse behavior that produces characteristic harmonics and largely prevents confusion with other magnetically soft materials in the interrogation zone. This pulse generator is formed of an amorphous strip or an amorphous wire with a cobalt content of at least 20 at-%, subjected to a heat treatment by a current flowing through the strip or wire, to produce a ratio of remanence induction to saturation induction of between 0.2 and 0.9.
REFERENCES:
patent: 3802854 (1974-04-01), Mueller-Dittmann et al.
patent: 4298862 (1981-11-01), Gregor et al.
patent: 4473401 (1984-09-01), Masumoto et al.
patent: 4660025 (1987-04-01), Humphrey
patent: 4823113 (1989-04-01), Hasegawa
patent: 4950550 (1990-08-01), Radeloff et al.
patent: 5568125 (1996-10-01), Liu
"Induction of bistability of Low-Magnetostriction Amorphous Ribbons," Rodriguez et al. J. of Mag. & Mag. Matls. vol. 133, (1994), pp. 36-39.
Herzer Giselher
Rauscher Gerd
Hofsass Jeffrey A.
La Anh
Vacuumschmelze GmbH
LandOfFree
Elongated member serving as a pulse generator in an electromagne does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Elongated member serving as a pulse generator in an electromagne, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Elongated member serving as a pulse generator in an electromagne will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1966562