Magnetic disc unit for electronic computers

Description

FIG. 1 is a front, top and right side perspective view of a magnetic disc unit for electronic computers showing my new design;

FIG. 2 is a front perspective view thereof with the covers opened;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view looking from the right of FIG. 3, the opposite side being a mirror image;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a rear elevational view thereof.

Referenced Cited
Other references
  • Datamation, 9-1977, p. 33, Polymorphic Systems System 8813 Computer. Datamation, 7-1980, p. 79, Perkin-Elmer Intelligent Terminal. North Star Computers Inc. Product Catalog, 5-1980, p. 6, Computer. Sykes Datatronics Inc. Comm-Stor II Catalog, .COPYRGT.1978, p. 2, Data Storage System. Mini Floppy Disk Unit shown in Catalogue of Fujitsu Micro 8, issued in Jul., 1981. Dual Mini Disk Unit PC-8031 shown in Catalogue of NEC Personal Computer, PC-8000 Series. Fujitsu Mini Floppy Disk Unit; "ASCII", Aug., 1981. Kohjinsha Mini Floppy Disk KD275; "ASCII", Aug., 1981.
Patent History
Patent number: D276524
Type: Grant
Filed: Mar 15, 1982
Date of Patent: Nov 27, 1984
Assignee: Tokyo Shibaura Denki Kabushiki Kaisha (Tokyo)
Inventor: Mikio Shibata (Yokohama)
Primary Examiner: Susan J. Lucas
Law Firm: Finnegan, Henderson, Farabow, Garrett & Dunner
Application Number: 6/357,859
Classifications
Current U.S. Class: D14/109