MAGNETIC TAPE GUIDING CYLINDER OF MAGNETIC RECORDING AND REPRODUCING DEVICE
PURPOSE:To prevent a magnetic tape from being scratched without performing any special working on the corner section of a magnetic tape guiding cylinder, by setting the length of the opening of a notched part for fitting head in the cylinder rotating direction in a range of length, within which the...
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creator | MORIKAWA JIYUICHI SAKAI KAZUO TERAYAMA TAKAO |
description | PURPOSE:To prevent a magnetic tape from being scratched without performing any special working on the corner section of a magnetic tape guiding cylinder, by setting the length of the opening of a notched part for fitting head in the cylinder rotating direction in a range of length, within which the edge of the opening does not contact with the magnetic tape. CONSTITUTION:In order to prevent a magnetic head 2 provided on a supporting body 3 from contacting and interfering with a magnetic tape, a notched part 4 is provided in the end face 13 of a magnetic tape guiding cylinder 1. By means of this notched part 4, the length of an opening 5 formed in the outer peripheral surface 1A of the cylinder 1 along the peripheral surface 1A is set in such a degree that the corner 4A of the notched part 4 does not contact with a magnetic tape. If it is considered that the rigidity of a magnetic tape T is small, position of the tape T can be expressed by a straight line contacting with both magnetic head 2 and cylinder 1 and, when the length of the opening 5 is set to L |
format | Patent |
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CONSTITUTION:In order to prevent a magnetic head 2 provided on a supporting body 3 from contacting and interfering with a magnetic tape, a notched part 4 is provided in the end face 13 of a magnetic tape guiding cylinder 1. By means of this notched part 4, the length of an opening 5 formed in the outer peripheral surface 1A of the cylinder 1 along the peripheral surface 1A is set in such a degree that the corner 4A of the notched part 4 does not contact with a magnetic tape. If it is considered that the rigidity of a magnetic tape T is small, position of the tape T can be expressed by a straight line contacting with both magnetic head 2 and cylinder 1 and, when the length of the opening 5 is set to L<b, contact between the magnetic tape T and the corner 4A of the notched part 4 can be prevented. Therefore, the magnetic tape can be prevented from being scratched without performing any special working on the corner section of the cylinder.</description><language>eng</language><subject>INFORMATION STORAGE ; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER ; PHYSICS</subject><creationdate>1986</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=19860111&DB=EPODOC&CC=JP&NR=S615466A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19860111&DB=EPODOC&CC=JP&NR=S615466A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORIKAWA JIYUICHI</creatorcontrib><creatorcontrib>SAKAI KAZUO</creatorcontrib><creatorcontrib>TERAYAMA TAKAO</creatorcontrib><title>MAGNETIC TAPE GUIDING CYLINDER OF MAGNETIC RECORDING AND REPRODUCING DEVICE</title><description>PURPOSE:To prevent a magnetic tape from being scratched without performing any special working on the corner section of a magnetic tape guiding cylinder, by setting the length of the opening of a notched part for fitting head in the cylinder rotating direction in a range of length, within which the edge of the opening does not contact with the magnetic tape. CONSTITUTION:In order to prevent a magnetic head 2 provided on a supporting body 3 from contacting and interfering with a magnetic tape, a notched part 4 is provided in the end face 13 of a magnetic tape guiding cylinder 1. By means of this notched part 4, the length of an opening 5 formed in the outer peripheral surface 1A of the cylinder 1 along the peripheral surface 1A is set in such a degree that the corner 4A of the notched part 4 does not contact with a magnetic tape. If it is considered that the rigidity of a magnetic tape T is small, position of the tape T can be expressed by a straight line contacting with both magnetic head 2 and cylinder 1 and, when the length of the opening 5 is set to L<b, contact between the magnetic tape T and the corner 4A of the notched part 4 can be prevented. Therefore, the magnetic tape can be prevented from being scratched without performing any special working on the corner section of the cylinder.</description><subject>INFORMATION STORAGE</subject><subject>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1986</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPD2dXT3cw3xdFYIcQxwVXAP9XTx9HNXcI708fRzcQ1S8HdTgKsIcnX2DwJLO_q5AHkBQf4uoc4gvotrmKezKw8Da1piTnEqL5TmZpB3cw1x9tBNLciPTy0uSExOzUstifcKCDYzNDUxM3M0JqwCAMRkLPA</recordid><startdate>19860111</startdate><enddate>19860111</enddate><creator>MORIKAWA JIYUICHI</creator><creator>SAKAI KAZUO</creator><creator>TERAYAMA TAKAO</creator><scope>EVB</scope></search><sort><creationdate>19860111</creationdate><title>MAGNETIC TAPE GUIDING CYLINDER OF MAGNETIC RECORDING AND REPRODUCING DEVICE</title><author>MORIKAWA JIYUICHI ; SAKAI KAZUO ; TERAYAMA TAKAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS615466A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1986</creationdate><topic>INFORMATION STORAGE</topic><topic>INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>MORIKAWA JIYUICHI</creatorcontrib><creatorcontrib>SAKAI KAZUO</creatorcontrib><creatorcontrib>TERAYAMA TAKAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MORIKAWA JIYUICHI</au><au>SAKAI KAZUO</au><au>TERAYAMA TAKAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MAGNETIC TAPE GUIDING CYLINDER OF MAGNETIC RECORDING AND REPRODUCING DEVICE</title><date>1986-01-11</date><risdate>1986</risdate><abstract>PURPOSE:To prevent a magnetic tape from being scratched without performing any special working on the corner section of a magnetic tape guiding cylinder, by setting the length of the opening of a notched part for fitting head in the cylinder rotating direction in a range of length, within which the edge of the opening does not contact with the magnetic tape. CONSTITUTION:In order to prevent a magnetic head 2 provided on a supporting body 3 from contacting and interfering with a magnetic tape, a notched part 4 is provided in the end face 13 of a magnetic tape guiding cylinder 1. By means of this notched part 4, the length of an opening 5 formed in the outer peripheral surface 1A of the cylinder 1 along the peripheral surface 1A is set in such a degree that the corner 4A of the notched part 4 does not contact with a magnetic tape. If it is considered that the rigidity of a magnetic tape T is small, position of the tape T can be expressed by a straight line contacting with both magnetic head 2 and cylinder 1 and, when the length of the opening 5 is set to L<b, contact between the magnetic tape T and the corner 4A of the notched part 4 can be prevented. Therefore, the magnetic tape can be prevented from being scratched without performing any special working on the corner section of the cylinder.</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 | MAGNETIC TAPE GUIDING CYLINDER OF MAGNETIC RECORDING AND REPRODUCING DEVICE |
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