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Inventor

Donald Gee

Inventor
Chandler, AZ, US

Overview

2→
Patents
1999–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H03Fprimary
H03FAmplifiers20%
H03GControl of amplification20%
H03HImpedance networks, e.g. resonant circuits20%
H04BTransmission20%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers20%
PatentTitleYear
10,218,312Dynamic volume management in audio amplifiers20195,856,970'Multi-channel echo cancellation method and apparatus'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to MOTOROLA INC (1)· patent assignee history
1999–2019Based in Chandler, AZ, US· patent location history
2019Patents assigned to QUALCOMM INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOTOROLA INC11999
QUALCOMM INC12019
Locations
LocationPatentsSpan
Chandler, AZ, US21999–2019