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:
Sep. 12, 1995
Filed:
Oct. 27, 1994
Applicant:
Inventor:
Hitoshi Matsushima, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395250 ; 395872 ; 395878 ; 3642391 ; 3642398 ; 364D / ;
Abstract
A data transfer system in a device control apparatus for controlling data transfer between a channel of a central processing unit and a device, comprising: a channel transfer circuit for transferring data to the channel and for receiving data from the channel; a device transfer circuit for transferring data to the device and for receiving data from the device, and an intermediate memory for temporarily storing transfer data from the channel or from the device transfer circuit only when the transfer rate determined by the channel is different from the transfer rate determined by the device.