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:
Nov. 17, 2009
Filed:
Oct. 07, 2004
Daniel Biederman, San Jose, CA (US);
Kenneth Coley, Campbell, CA (US);
Frederick R. Schindler, Sunnyvale, CA (US);
Daniel Biederman, San Jose, CA (US);
Kenneth Coley, Campbell, CA (US);
Frederick R. Schindler, Sunnyvale, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A method and apparatus for redundant power and data over a wired data telecommunications network permits power to be received at a local powered device (PD) from remote power sourcing equipment (PSE) via at least one conductor at a first time and power and/or data to be obtained by the local device from another port of the remote device or another remote device at a second different time. Power levels obtained may be adjusted from time to time in response to circumstances.