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. 30, 2002
Filed:
Sep. 04, 1998
Applicant:
Inventors:
William Patrick Hann, Round Rock, TX (US);
Matthew G. Irvin, Austin, TX (US);
Richard L. House, Round Rock, TX (US);
William Keith Brewer, Austin, TX (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 1/226 ;
U.S. Cl.
CPC ...
H04L 1/226 ;
Abstract
A method and apparatus are provided for generating parity for communication between a physical layer device and an ATM layer device is provided. A data bus is monitored for data comprising an ATM cell transmitted from a physical layer device to an ATM layer device. The header error check of the ATM cell is verified and parity for the ATM cell is generated. Parity is provided to the ATM layer device if the header error check is correct.