Inventor
Daniel R. Phelps
Inventor
Peabody, MA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television50%
LOC1625%
G01DMeasuring not specially adapted for a specific variable13%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers13%
PatentTitleYear
7,593,031'Integrated desktop videoconferencing system'20097,471,320'Electronic pan tilt zoom video camera with adaptive edge sharpening filter'20086,614,474'Electronic pan tilt zoom video camera with adaptive edge sharpening filter'2003D0477622'Video camera system'2003D0476345'Video camera'20035,633,681'Electrically controlled camera positioning system'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Patents assigned to PICTURETEL CORP (1)· patent assignee history
1997Based in Lynn, MA, US· patent location history
2003–2009Patents assigned to POLYCOM INC (5)· patent assignee history
2003–2008Based in Peabody, MA, US· patent location history
2009Based in North Conway, NH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POLYCOM INC | 5 | 2003–2009 |
| PICTURETEL CORP | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Peabody, Massachusetts, US | 4 | 2003–2008 |
| North Conway, NH, US | 1 | 2009 |
| Lynn, Massachusetts, US | 1 | 1997 |