The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 25, 1994
Filed:
Apr. 02, 1992
Takao Ohmi, Kamakura, JP;
Shigeru Takekado, Tokyo, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A magnetic disk apparatus is disclosed wherein the apparatus comprises a magnetic disk, magnetic heads for recording and reproducing information to and from the magnetic disk, a disk driving device for driving the magnetic disk, head driving device for driving the magnetic heads, a mechanical portion driving circuit for operating the disk driving device and the head driving device, a logical operation device for exchanging signals between the magnetic heads and the mechanical portion driving circuit, a first box for containing at least the magnetic disk, the magnetic heads, the disk driving device, and the head driving device, and a second box, detachably connected to the first box, for containing at least the logical operation device, wherein signals are exchanged between the first box and the second box. The first box and the second box are electrically connected and the second box contains at least the logical operation circuit.