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. 03, 2002
Filed:
Mar. 31, 1998
Applicant:
Inventors:
Atsushi Yusa, Tokyo, JP;
Mitsuya Ohie, Tokyo, JP;
Assignee:
Oki Electric Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/00 ;
U.S. Cl.
CPC ...
G06F 3/00 ;
Abstract
A serial communication circuit sends or receives a large amount of data speedily. A buffer is connected to a serial interface circuit and a buffer is connected to a serial interface circuit One end of a switch is connected to the serial interface circuit or the serial interface circuit and another end to a serial port Switching the switch sequentially to the serial interface circuit and to the serial interface circuit makes it possible to use the two buffers for sending data to, or receiving data from, one serial port