Inventor
HEFLINGER DONALD G
US21 patents
⚠️ This page may combine multiple inventors who share the name “HEFLINGER DONALD G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRW INC
15 patentsUS6396605B1May 28, 2002
Apparatus and method for tuning an optical interferometer
TRW INC133 citations97
US6366356B1Apr 2, 2002
High average power fiber laser system with high-speed, parallel wavefront sensor
TRW INC112 citations97
US6545785B1Apr 8, 2003
Optical communication system with phase modulation
TRW INC44 citations92
US6512618B1Jan 28, 2003
Broadcast optical communication system employing waveguide having grating normal to sources and detectors
TRW INC25 citations92
US6469817B1Oct 22, 2002
Apparatus and method employing two optical signals for stabilizing an optical interferometer
TRW INC43 citations92
US6321001B1Nov 20, 2001
Wavelength division multiplexed optical communication system
TRW INC27 citations92
US6243168B1Jun 5, 2001
Dynamic optical micrometer
TRW INC25 citations92
US6243515B1Jun 5, 2001
Apparatus for optically pumping an optical fiber from the side
TRW INC29 citations92
US6229616B1May 8, 2001
Heterodyne wavefront sensor
TRW INC20 citations92
US6175320B1Jan 16, 2001
All optical analog-to-digital converter employing an improved stabilized optical interferometer
TRW INC40 citations92
US6064507AMay 16, 2000
High speed differential optoelectronic receiver
TRW INC44 citations91
US6353264B1Mar 5, 2002
Pseudomonolithic wafer scale module
TRW INC43 citations88
US6147755ANov 14, 2000
Dynamic optical phase state detector
TRW INC17 citations84
US6490068B1Dec 3, 2002
Linear analog optical communication system with two transmitted beams and phase modulation
TRW INC7 citations73
US6441938B1Aug 27, 2002
Optical communication system with a single polarized, phase modulated transmitted beam
TRW INC10 citations73
NORTHROP GRUMMAN SYSTEMS CORP
3 patentsUS11115734B1Sep 7, 2021
Spatial transmit/receive isolation apparatus and method for optical communication systems
NORTHROP GRUMMAN SYSTEMS CORP2 citations71
US11444691B2Sep 13, 2022
Optical free space communication apparatus using polarization
NORTHROP GRUMMAN SYSTEMS CORP2 citations68
US11646792B2May 9, 2023
Optical communications terminal
NORTHROP GRUMMAN SYSTEMS CORP0 citations57