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:
Apr. 08, 2003
Filed:
Dec. 08, 2000
Applicant:
Inventors:
Mark Steven Boggs, Johnson City, TN (US);
Temple L. Fulton, Elizabethton, TN (US);
Steve Hausman, Johnson City, TN (US);
Gary McNabb, Unicoi, TN (US);
Alan McNutt, Johnson City, TN (US);
Steven W. Stimmel, Johnson City, TN (US);
Assignee:
Siemens Energy & Automation, Alpharetta, GA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/100 ; G01R 3/128 ;
U.S. Cl.
CPC ...
G06F 1/100 ; G01R 3/128 ;
Abstract
In a programmable logic controller with enhanced and extended the capabilities and including a modem. The PLC includes a built-in protocol. An n-bit modem protocol ensures data integrity without use of a parity type data integrity system.