Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813398 | Tunable electrooptic add-drop filter apparatus and method | Ohannes Eknoyan | 2004-11-02 |
| 6741763 | Optical data transmission apparatus and method | — | 2004-05-25 |
| 6721466 | Guided wave electrooptic and acoustooptic tunable filter apparatus and method | Ohannes Eknoyan | 2004-04-13 |
| 6678441 | Multireflector fiber optic filter apparatus and method | — | 2004-01-13 |
| 6288823 | Slow wave electrooptic light modulator apparatus and method | — | 2001-09-11 |
| 6281976 | Fiber optic fiber Fabry-Perot interferometer diaphragm sensor and method of measurement | Ta-Wei Kao, James H. Gardner, William N. Gibler, Robert A. Atkins, Chung Eun Lee +3 more | 2001-08-28 |
| 5714680 | Method and apparatus for measuring pressure with fiber optics | Robert A. Atkins, Chung Eun Lee, James H. Gardner, William N. Gibler, Matthew Spears +3 more | 1998-02-03 |
| 5557406 | Signal conditioning unit for fiber optic sensors | Roberto Sadkowski, Chung Eun Lee | 1996-09-17 |
| 5452087 | Method and apparatus for measuring pressure with embedded non-intrusive fiber optics | Robert A. Atkins, William N. Gibler, Chung Eun Lee, James McCoy, Matthew Spears +3 more | 1995-09-19 |
| 5283852 | Apparatus and method for embedding optical fibers in metal | William N. Gibler, Robert A. Atkins, Chung Eun Lee | 1994-02-01 |
| 5194847 | Apparatus and method for fiber optic intrusion sensing | Chung Eun Lee | 1993-03-16 |
| 5157457 | Calorimetric fiber optic chemical sensor | — | 1992-10-20 |
| 5140651 | Semiconductive guided-wave programmable optical delay lines using electrooptic fabry-perot elements | Richard A. Soref | 1992-08-18 |
| 5021748 | Circular ring resonator distributive electromagnetic signal processor | Kai-Lin Chang | 1991-06-04 |
| 4994791 | Progressively monitorable fire alarm system | — | 1991-02-19 |
| 4923273 | Method for producing reflective taps in optical fibers and applications thereof | — | 1990-05-08 |
| 4892388 | Method for producing reflective taps in optical fibers and applications thereof | — | 1990-01-09 |
| 4848999 | Method for producing reflective taps in optical fibers and applications thereof | — | 1989-07-18 |
| H474 | Optical transversal fiber with reflective taps | — | 1988-06-07 |
| 4725124 | Fiber optic microbend phase shifter and modulator | — | 1988-02-16 |
| H353 | Extended precision in video bandwidth analog to digital converter using | — | 1987-10-06 |
| 4686485 | Optical injection locking of laser diode arrays | Lew Goldberg, Joseph F. Weller | 1987-08-11 |
| 4666255 | Method and apparatus for acousto-optically shifting the frequency of a light signal propagating in a single-mode fiber | Scott C. Rashleigh, Joseph F. Weller, Kiyoshi Nosu | 1987-05-19 |
| 4635246 | Frequency multiplex system using injection locking of multiple laser diodes | Joseph F. Weller, Lew Goldberg | 1987-01-06 |
| 4630883 | Optical waveguide apparatus and method for manufacturing | George H. Sigel, Jr., Michael E. Gingerich | 1986-12-23 |