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. 19, 2000
Filed:
Dec. 18, 1998
Applicant:
Inventors:
Yu-Chuan Chang, Taipei, TW;
Xue-Ning Ren, Shanghai, CN;
Assignee:
Inventec Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
714 25 ; 714735 ;
Abstract
The present invention provides a method and apparatus for testing the communication performance of the pins of a serial port. It reads the states of several group of pins to check the existence of the port and the correctness of communication address. Moreover, it checks the working condition of the pins with interruption signals in order to prove the function and communication quality of the serial port.