Inventor
EKSTRAND JOHN P
US11 patents
⚠️ This page may combine multiple inventors who share the name “EKSTRAND JOHN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SPECTRA PHYSICS
9 patentsUS4000397ADec 28, 1976
Signal processor method and apparatus
SPECTRA PHYSICS156 citations97
US4988942AJan 29, 1991
Switched resistor regulator control when transfer function includes discontinuity
SPECTRA PHYSICS57 citations95
US5055743AOct 8, 1991
Induction heated cathode
SPECTRA PHYSICS33 citations92
US4953176AAug 28, 1990
Angular optical cavity alignment adjustment utilizing variable distribution cooling
SPECTRA PHYSICS37 citations92
US4719404AJan 12, 1988
Switched resistor regulator with linear dissipative regulator
SPECTRA PHYSICS27 citations92
US4982078AJan 1, 1991
Beam position sensor with time shared normalizing circuit
SPECTRA PHYSICS20 citations81
US5047609ASep 10, 1991
Crossed dot bar graph display for indication of position of a light beam, and an improved laser system with active laser cavity alignment using same
SPECTRA PHYSICS14 citations73
US5048032ASep 10, 1991
Air cooled RF induction excited ion laser
SPECTRA PHYSICS17 citations72
US4947102AAug 7, 1990
Feedback loop gain compensation for a switched resistor regulator
SPECTRA PHYSICS10 citations72