Inventor
David A. Langsam
Inventor
Sunnyvale, CA, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission50%
G02BOptical elements, systems or apparatus28%
G01MTesting static or dynamic balance of machines or structures22%
PatentTitleYear
10,884,198Optical block with textured surface202110,164,708Methods for determining receiver coupling efficiency, link margin, and link topology in active optical cables201810,116,386Methods for determining receiver coupling efficiency, link margin, and link topology in active optical cables20189,819,413'Methods for determining receiver coupling efficiency, link margin, and link topology in active optical cables'20179,638,874'Methods for determining receiver coupling efficiency, link margin, and link topology in active optical cables'20179,270,373'Transporting data and auxiliary signals over an optical link'20169,191,109'Transporting data and auxiliary signals over an optical link'20159,054,806'Transporting data and auxiliary signals over an optical link'20156,819,874'Alignment system and method for optical satellite communication'20046,577,421'Alignment system and method for optical satellite communication'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003Patents assigned to HUGHES ELECTRONICS CORP (1)· patent assignee history
2003–2004Based in Los Angeles, CA, US· patent location history
2004Patents assigned to DIRECTV GROUP INC (1)· patent assignee history
2015–2021Patents assigned to SAMTEC INC (8)· patent assignee history
2015–2021Based in Sunnyvale, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAMTEC INC | 8 | 2015–2021 |
| DIRECTV GROUP INC | 1 | 2004 |
| HUGHES ELECTRONICS CORP | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sunnyvale, California, US | 8 | 2015–2021 |
| Los Angeles, California, US | 2 | 2003–2004 |