RB

Ralph A. Bergh

Stanford University: 13 patents #206 of 5,197Top 4%
HO Honeywell: 9 patents #1,135 of 14,447Top 8%
📍 Lititz, PA: #14 of 269 inventorsTop 6%
🗺 Pennsylvania: #2,031 of 74,527 inventorsTop 3%
Overall (All Time): #139,249 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
9518827 Method and apparatus for multiplexing multiple Sagnac interferometers with single input for source light 2016-12-13
9103676 Interferometer employing a multi-waveguide optical loop path and fiber optic rotation rate sensor employing same 2015-08-11
8610995 Occasional calibration phase-difference modulation for sagnac interferometer 2013-12-17
8497994 Interferometer employing a multi-waveguide optical loop path and fiber optic rotation rate sensor employing same 2013-07-30
7505139 Signal processing for a Sagnac interferometer 2009-03-17
6046810 Kerr effect compensator for a fiber optic gyroscope Glen A. Sanders, James N. Blake 2000-04-04
5999304 Fiber optic gyroscope with deadband error reduction Glen A. Sanders, Rudy Dankwort, Lee K. Strandjord 1999-12-07
5946097 Vibration rectification error reducer for fiber optic gyroscope Glen A. Sanders, Rudolf C. Dankwort 1999-08-31
5854678 Three-axis fiber optic gyroscope having a single source and multi-coupler configuration Ren-Young Liu 1998-12-29
5781300 Backscatter error reducer for interferometric fiber optic gyroscope Lee K. Strandjord, Glen A. Sanders, Bogdan Szafraniec 1998-07-14
5602642 Magnetically insensitive fiber optic rotation sensor Bogdan Szafraniec 1997-02-11
5528715 Trimming of fiber optic winding and method of achieving same Randy P. Goettsche 1996-06-18
5506923 Apparatus and method for trimming of fiber optic winding Randy P. Goettsche 1996-04-09
5475774 Optical fiber sensor coil using reverse quadrupoles and method of winding same Randy P. Goettsche 1995-12-12
5153676 Apparatus and method for reducing phase errors in an interferometer 1992-10-06
5120130 Apparatus and method for reducing phase errors in an interferometer 1992-06-09
4869592 Method and apparatus for obtaining a digital measure of absolute rotation 1989-09-26
4773759 Interferometer with Kerr effect compensation Brian Culshaw, Herve Lefevre, Herbert J. Shaw, C. Chapin Cutler 1988-09-27
4733938 Magneto-optic rotator Herve Lefevre 1988-03-29
4671658 Fiber optic rotation sensor utilizing a magnetic shield and an optical isolator Herbert J. Shaw, Herve Lefevre 1987-06-09
4615582 Magneto-optic rotator for providing additive Faraday rotations in a loop of optical fiber Herve Lefevre 1986-10-07
4603940 Fiber optic dye amplifier Herbert J. Shaw, Michel J. F. Digonnet, Wayne V. Sorin, Brian H. Kolner 1986-08-05
4601541 Fiber optic directional coupler Herbert J. Shaw, George A. Kotler 1986-07-22
4560234 Fiber optic switchable coupler Herbert J. Shaw, Michel J. F. Digonnet 1985-12-24
4536058 Method of manufacturing a fiber optic directional coupler Herbert J. Shaw 1985-08-20