Inventor
David R Ingalls
Inventor
Corvallis, OR, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Bprimary
G03BApparatus or arrangements for taking photographs or for projecting or viewing them22%
H04MTelephonic communication22%
H04NPictorial communication, e.g. television22%
G08BSignalling systems, e.g. personal calling systems11%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers11%
H04SStereophonic systems11%
PatentTitleYear
8,223,959'Echo cancellation in which sound source signals are spatially distributed to all speaker devices'20128,208,645'System and method for harmonizing calibration of audio between networked conference rooms'20128,126,156'Calibrating at least one system microphone'20128,103,157'Camera adjustment'20127,801,430'Camera adjustment'20107,520,684'Camera mount'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2012Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (6)· patent assignee history
2009–2012Based in Corvallis, OR, US· patent location history
2012Patents assigned to GRASLEY SCOTT (4)· patent assignee history
2012Patents assigned to INGALLS DAVID R (4)· patent assignee history
2012Patents assigned to COOK LORI A (1)· patent assignee history
2012Patents assigned to CORBETT TIM (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HEWLETT PACKARD DEVELOPMENT CO | 6 | 2009–2012 |
| GRASLEY SCOTT | 4 | 2012 |
| INGALLS DAVID Rself | 4 | 2012 |
| COOK LORI A | 1 | 2012 |
| CORBETT TIM | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Corvallis, OR, US | 6 | 2009–2012 |