APPARATUS FOR THE DETERMINATION OF MAGNETIC DOMAINS

APPARATUS FOR THE DETERMINATION OF MAGNETIC DOMAINS

A magnetic field can be detected by moving magnetized areas past a magnetoresistor, which responds to the changing magnetic field. The sensitivity to magnetic fields is limited by the width of the magnetoresistors used. To optimize the sensitivity, two spaced-apart ferromagnetic pole pieces (6, 7) a...

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Hauptverfasser: BECKER, HELMUT, KIESSLING, ARMIN GOTTFRIED
Format: Patent
Sprache:eng ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
TESTING
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KIESSLING, ARMIN GOTTFRIED
description A magnetic field can be detected by moving magnetized areas past a magnetoresistor, which responds to the changing magnetic field. The sensitivity to magnetic fields is limited by the width of the magnetoresistors used. To optimize the sensitivity, two spaced-apart ferromagnetic pole pieces (6, 7) are so disposed between the magnetoresistor and the magnetized areas that their ends (8, 9) at the magnetoresistor (4) form a first gap (10) having a width (11) on the order of the width (12) of the magnetoresistor (4), and that their ends (13, 14) at the magnetized areas form a second, considerably narrower gap (16).
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To optimize the sensitivity, two spaced-apart ferromagnetic pole pieces (6, 7) are so disposed between the magnetoresistor and the magnetized areas that their ends (8, 9) at the magnetoresistor (4) form a first gap (10) having a width (11) on the order of the width (12) of the magnetoresistor (4), and that their ends (13, 14) at the magnetized areas form a second, considerably narrower gap (16).</description><edition>4</edition><language>eng ; ger</language><subject>CALCULATING ; COMPUTING ; COUNTING ; HANDLING RECORD CARRIERS ; MEASURING ; MEASURING ELECTRIC VARIABLES ; MEASURING MAGNETIC VARIABLES ; PHYSICS ; PRESENTATION OF DATA ; RECOGNITION OF DATA ; RECORD CARRIERS ; TESTING</subject><creationdate>1992</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19920304&amp;DB=EPODOC&amp;CC=EP&amp;NR=0331135A3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=19920304&amp;DB=EPODOC&amp;CC=EP&amp;NR=0331135A3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BECKER, HELMUT</creatorcontrib><creatorcontrib>KIESSLING, ARMIN GOTTFRIED</creatorcontrib><title>APPARATUS FOR THE DETERMINATION OF MAGNETIC DOMAINS</title><description>A magnetic field can be detected by moving magnetized areas past a magnetoresistor, which responds to the changing magnetic field. 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subjects CALCULATING
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
TESTING
title APPARATUS FOR THE DETERMINATION OF MAGNETIC DOMAINS
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