Inventor

HALL DAVID B

US83 patents

⚠️ This page may combine multiple inventors who share the name “HALL DAVID B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HALL DAVID B

LITTON SYSTEMS INC

Sensor with an optical interferometric pick-off

Laser stabilization

Apparatus and method for optical signal source stabilization

Optical method for the transduction of remote arrays of electromechanical sensors

Four step discrete phase shift demodulation method for fiber optic sensor arrays

Fabry-perot pressure sensing system with ratioed quadrature pulse detection

Polarization maintaining fiber interferometer and method for source stabilization

Noise suppression apparatus and method for time division multiplexed fiber optic sensor arrays

Method and apparatus for direct detection of signals from a differential delay heterodyne interferometric system

Two step discrete phase shift demodulation method for fiber optic sensor arrays

Apparatus and method for detecting rotation rate, Faraday bias and cavity length in a ring laser gyroscope

Apparatus and method for optical signal source stabilization

Unbalanced fiber optic Michelson interferometer as an optical pick-off

Unbalanced fiber optic Michelson interferometer as an optical pick-off

Normalization method for fiber optic sensor system

Unbalanced fiber optic Michelson interferometer as an optical pick-off

Multioscillator ring laser gyro beam combining optics

Remote sensor with waveguide optics telemetry

Multipole magnetic geometry for a ring laser gyroscope

Mirror transducer assembly for ring laser gyroscope

Bi-stable micro-actuator and optical switch

Method for determining the phase difference of light waves propagated over two paths

Ring laser gyroscope output optics detection system

GREGORY A PEARSON INC

Graphical user interface for a display screen of a computing device

Graphical user interface for a display screen of a computing device

Graphical user interface for a display screen of a computing device

Graphical user interface for a display screen of a computing device

Graphical user interface for a display screen of a computing device

Graphical user interface for a display screen of a computing device

Dynamic content delivery systems and methods for providing same

Graphical user interface for a display screen of a computing device

Dynamic content delivery systems and methods for providing same

Systems and methods for game-based modification of communications functionality

NORTHROP GRUMMAN CORP

Normalization method for acquiring interferometer phase shift from frequency division multiplexed fiber optic sensor arrays

Fiber optic acoustic sensor with specifically selected flexural disks

Fiber optic seismic sensor

Calculation of sensor array induced phase angle independent from demodulation phase offset of phase generated carrier

Filtered calculation of sensor array induced phase angle independent from demodulation phase offset of phase generated carrier

Sensor array induced phase angle calculation based on mixed signals

Method and system of using odd harmonics for phase generated carrier homodyne

NORTHROP GRUMMAN GUIDANCE AND ELECTRONIC CO INC

Self-calibrating laser semiconductor accelerometer

Small optics cell for miniature nuclear magnetic resonance gyroscope

PEARSON GREGORY A

Methods for interactively exchanging graphical objects between networked users

Dynamic content delivery systems and methods for providing same

(unassigned)

High efficiency polarization diversity receiver system

TDM array of optical non-acoustic pressure sensors

TRW INC

Guided wave acousto-optic device

Near infrared laser modulator

HALL DAVID B

Foundation support system and method

CHROMUX TECHNOLOGIES INC

Tap couplers for fiber optic arrays