Inventor
DING HEPING
CA14 patents
⚠️ This page may combine multiple inventors who share the name “DING HEPING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
4 patentsUS6226380B1May 1, 2001
Method of distinguishing between echo path change and double talk conditions in an echo canceller
NORTEL NETWORKS LTD125 citations97
US6754340B1Jun 22, 2004
Stable adaptive filter and method
NORTEL NETWORKS LTD56 citations95
US6687723B1Feb 3, 2004
Tri-mode adaptive filter and method
NORTEL NETWORKS LTD67 citations95
US6788785B1Sep 7, 2004
Stable adaptive filter and method
NORTEL NETWORKS LTD15 citations83
NAT RES COUNCIL CANADA
4 patentsUS12348149B2Jul 1, 2025
Synchronous rectification to improve efficiency of electricity conversion for harvesting energy from low voltage sources
NAT RES COUNCIL CANADA0 citations47
US10476367B2Nov 12, 2019
Voltage and current triggered switch, and step-down DC-DC converters containing such a switch
NAT RES COUNCIL CANADA0 citations45
US10644044B2May 5, 2020
Methods of manufacturing printable photodetector array panels
NAT RES COUNCIL CANADA0 citations38
US10778104B2Sep 15, 2020
Efficient electricity conversion for harvesting energy from low voltage sources
NAT RES COUNCIL CANADA0 citations37