Inventor
Joseph Rothweiler
Inventor
Ellicott City, MD, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis67%
H03HImpedance networks, e.g. resonant circuits17%
H03MCoding17%
PatentTitleYear
5,668,925'Low data rate speech encoder with mixed excitation'19975,649,051'Constant data rate speech encoder for limited bandwidth path'19975,012,518'Low-bit-rate speech coder using LPC data reduction processing'19914,975,956'Low-bit-rate speech coder using LPC data reduction processing'19904,691,292'System for digital multiband filtering'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to RCA CORP (1)· patent assignee history
1987Based in Bloomfield, NJ, US· patent location history
1990–1991Patents assigned to ITT (2)· patent assignee history
1990–1991Based in Cranford, NJ, US· patent location history
1997Patents assigned to MARTIN MARIETTA CORP (1)· patent assignee history
1997Based in Ellicott City, MD, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ITT | 2 | 1990–1991 |
| MARTIN MARIETTA CORP | 1 | 1997 |
| RCA CORP | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ellicott City, Maryland, US | 2 | 1997 |
| Cranford, New Jersey, US | 2 | 1990–1991 |
| Bloomfield, New Jersey, US | 1 | 1987 |