OPTRA patent abstracts, available in PDF format.
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Title
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Patent No.
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Date Issued
|
|
|
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Method for Making a Holographic Linear Positing Encoder
|
6,413,702
|
7/02/2002
|
Non-Contact Position Sensor (assigned to HP)
|
5,982,494
|
11/09/1999
|
Detector Array for Use in Interferometric Metrology Systems
|
5,530,543
|
6/25/1996
|
Metrology Using Interferometric Measurment Technology (license to HP)
|
5,098,190
|
3/24/1992
|
Non-Contact Lateral Displacement Sensor & Extensometer System
|
4,872,751
|
10/10/1989
|
Laser Stabilization Device
|
4,823,348
|
4/18/1989
|
Dynamic Mirror Alignment Control
|
4,711,573
|
12/08/1987
|
| Laser Stabilization Servo System
|
4,672,618 |
6/09/1987
|
| Mirror Scan Velocity Control |
4,655,587 |
4/07/1987 |
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