Inventor

DAL FARRA DAVID

CA4 patents

⚠️ This page may combine multiple inventors who share the name “DAL FARRA DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NORTEL NETWORKS LTD

1 patent

US6201873B1Mar 13, 2001

Loudspeaker-dependent audio compression

NORTEL NETWORKS LTD127 citations94

NORTEL NETWORKS CORP

1 patent

US6178162B1Jan 23, 2001

Method and apparatus for inhibiting echo in a channel of a communication system

NORTEL NETWORKS CORP22 citations90

NORTHERN TELECOM LTD

1 patent

US5796818AAug 18, 1998

Dynamic optimization of handsfree microphone gain

NORTHERN TELECOM LTD17 citations82

FUJITSU LTD

1 patent

US10903931B1Jan 26, 2021

Transmit power equalization in a reconfigurable optical add-drop multiplexer

FUJITSU LTD2 citations69