US Patent 7231646 Disk-drive device
Patent 7231646 was granted and assigned to Sony on June, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Hiroaki Mizuma0
Mitsuyoshi Kawaguchi0
Naoki Inoue0
Takuji Nakamura0
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Patent abstract
A disc drive unit capable of simply performing an opening and closing driving of shutters by rotation of an inner rotor of a disc cartridge using the inner rotor is provided. A disc drive unit is constituted so as to open and close shutters (9, 10) by rotationally driving a partial gear (27) of the inner rotor (4) by a rack portion (74) of a rack member (71) slidably driving it relative to a disc cartridge (1).
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US Patent 07231646 Disk-drive device US Patent 7231646 Disk-drive device
Infobox
Patent Number
072316460
Patent Number
72316460
Edits on 20 May, 2023
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Official Website
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
072316460
Date of Patent
June 12, 2007
0Patent Application Number
104330700
Date Filed
October 1, 2002
0Official Website
Patent Primary Examiner
Edits on 15 Jun, 2022
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US Patent 07231646 Disk-drive device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07231646
Date of patent
June 12, 2007
Patent application number
10433070
Date Filed
October 1, 2002
Patent primary examiner
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