Inventor

CAMPBELL WILLIAM NORMAN

CA4 patents

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

RUTLEDGE GLEN A

2 patents

US8168877B1May 1, 2012

Musical harmony generation from polyphonic audio signals

RUTLEDGE GLEN A50 citations93

US8618402B2Dec 31, 2013

Musical harmony generation from polyphonic audio signals

RUTLEDGE GLEN A4 citations58

LUPINI PETER R

1 patent

US8507781B2Aug 13, 2013

Rhythm recognition from an audio signal

LUPINI PETER R9 citations76

MACDONALD DETTWILER AND ASSOCI

1 patent

US5684727ANov 4, 1997

High-speed correlator

MACDONALD DETTWILER AND ASSOCI8 citations62