GPS INVENTOR

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GPS INVENTOR
GPS Related Patents
By
U.S. Naval Research Laboratory
Scientists and Engineers



PatentNumber DateIssued Inventor(s) Title
3122741 30-Mar-1961 Easton, Roger L. Device for Detecting Objects in Space
3406397 15-Oct-1968 Easton, R.L. and McCaskill, T.B. Satellite Angle and Altitude Measuring System
3490044 13-Jan-1970 Easton, Roger L. Communications System
3504367 31-Mar-1970 Easton, Roger L. Method of Ranging Compatible with Space Surveillancev
3560880 02-Feb-1971 Easton, R.L. and Bartholomew, C.A. Crystal Oscillator with Automatic Compensation for Frequency Drift Due to Aging
3600951 24-Aug-1971 Easton, Roger L. Arrangement to Measure and Compensate for Crystal Orientation
3603530 07-Sep-1971 Easton, R.L., Bartholomew, C.A., and Rovinski, R.S. Passive Temperature Control for Satellite
3668527 06-Jun-1972 Easton, R.L Crystal Oscillator for Satellite
3725924 03-Apr-1973 Easton, R.L Intermittent CW System for Satellite Surveillance
3763492 02-Oct-1973 Easton, Roger L. Apparatus and Method for Improving Sensitivity of Navigation System using Earth Satellites
3789409 01-29-1974 Easton, Roger L. Navigation System Using Satellites and Passive Ranging Techniques