Multiple magnetic head assembly
1,045,006. Shielding magnetic heads. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Feb. 22, 1965 [Feb. 25, 1964], No. 7545/65. Heading G5R. To reduce pick-up at the read gap 10 of a write/read head due to the field from the record gap 7, a plate 16, of magnetizable poor conductor, preferably f...
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| creator | WALTHER GEORGE LUDWIG GEURST JAN ALBERT |
| description | 1,045,006. Shielding magnetic heads. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Feb. 22, 1965 [Feb. 25, 1964], No. 7545/65. Heading G5R. To reduce pick-up at the read gap 10 of a write/read head due to the field from the record gap 7, a plate 16, of magnetizable poor conductor, preferably ferrite, is arranged asymmetrically with respect to the centre distance between the gaps 7, 10 on the opposite side of a magnetic tape (not shown) from the gaps and preferably some 0À1 to 0À5 mm. away from them. The member is adjusted such that any field due to the gap 7 at the gap 10 is in a vertical direction as drawn. The member 16 may be inclined to the tapepath, Fig. 3, and may be associated with a non-magnetic conductor 17 which also reduces adjacent-track cross-talk in a multiple-track assembly (Fig. 1, not shown). A number of possible positions for the member 16 are given (Figs. 2b, 2c, 2d, not shown). |
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To reduce pick-up at the read gap 10 of a write/read head due to the field from the record gap 7, a plate 16, of magnetizable poor conductor, preferably ferrite, is arranged asymmetrically with respect to the centre distance between the gaps 7, 10 on the opposite side of a magnetic tape (not shown) from the gaps and preferably some 0À1 to 0À5 mm. away from them. The member is adjusted such that any field due to the gap 7 at the gap 10 is in a vertical direction as drawn. The member 16 may be inclined to the tapepath, Fig. 3, and may be associated with a non-magnetic conductor 17 which also reduces adjacent-track cross-talk in a multiple-track assembly (Fig. 1, not shown). A number of possible positions for the member 16 are given (Figs. 2b, 2c, 2d, not shown).</description><language>eng</language><subject>INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; PHYSICS</subject><creationdate>1968</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&date=19680312&DB=EPODOC&CC=US&NR=3373416A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19680312&DB=EPODOC&CC=US&NR=3373416A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WALTHER GEORGE LUDWIG</creatorcontrib><creatorcontrib>GEURST JAN ALBERT</creatorcontrib><title>Multiple magnetic head assembly</title><description>1,045,006. 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Shielding magnetic heads. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. Feb. 22, 1965 [Feb. 25, 1964], No. 7545/65. Heading G5R. To reduce pick-up at the read gap 10 of a write/read head due to the field from the record gap 7, a plate 16, of magnetizable poor conductor, preferably ferrite, is arranged asymmetrically with respect to the centre distance between the gaps 7, 10 on the opposite side of a magnetic tape (not shown) from the gaps and preferably some 0À1 to 0À5 mm. away from them. The member is adjusted such that any field due to the gap 7 at the gap 10 is in a vertical direction as drawn. The member 16 may be inclined to the tapepath, Fig. 3, and may be associated with a non-magnetic conductor 17 which also reduces adjacent-track cross-talk in a multiple-track assembly (Fig. 1, not shown). A number of possible positions for the member 16 are given (Figs. 2b, 2c, 2d, not shown).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS |
| title | Multiple magnetic head assembly |
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