Inventor

CHANG DAVID B

US102 patents

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

CHANG DAVID B

HUGHES AIRCRAFT CO

Reduced noise fiber optic towed array and method of using same

Output steerable optical phased array

Wind power generator and velocimeter

Antibody coated crystal chemical sensor

Low index of refraction optical fiber with tubular core and/or cladding

Leak detector for natural gas pipelines

Selective thermal radiators

Low frequency acoustic fuel sensor

Adaptive optics using the electrooptic effect

Optical method and system for generating expansion coefficients for an image processing function

Selective emissivity coatings for interior temperature reduction of an enclosure

Optical fiber having internal partial mirrors and interferometer using same

Refrigerator or air conditioner based on a magnetic fluid

Plural wavelength fiber optic liquid level sensor for multiple liquids

Stratospheric Welsbach seeding for reduction of global warming

Thermal technique for simultaneous testing of circuit board solder joints

Fiber optic evanescent wave fuel gauge and leak detector using eccentric core fibers

Noncontact, on-line determination of phosphate layer thickness and composition of a phosphate coated surface

Enhanced electrostatic paint deposition method and apparatus

Electro-optical ifs finder

Variable acuity non-linear projection system

Infrared holographic defect detector

Upconversion pumped lasers

System of holographic optical elements for testing laser range finders

Fiber-optic interferometric chemical sensor

Evanescent wave liquid level sensor with density compensation

Automated evaluation of painted surface quality

Dynamically controlled mirror for reduction of projected image distortion

Method of providing continuous lasing operation

Acoustic adiabatic liquid quantity sensor

Optics approach to low side compliance simulation

Refrigerator of air conditioner based on a fluid of electric dipoles

Analog optical processing for the construction of fractal objects

Curing oven using Wellsbach conversion

Noncontact on-line measurement of the viscosity of liquid paint

Eye protection device against broadband high intensity light

System for accurately detecting changes in temperature and pressure

OJAI RETINAL TECH LLC

System for neuroprotective therapy for glaucoma

Process for neuroprotective therapy for glaucoma

System and process for neuroprotective therapy for glaucoma

Measuring RPE and choroid melanin levels with reflectometer

CHANG DAVID B

Radiation source

Display system for multiviewer training simulators

Intrawaveguide fiber optic beamsplitter/coupler

MAGNETUS LLC

Magneto-acoustic imaging

Electromagnetic-acoustic imaging

ENERNEXT LLC

Method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel

Storage device and method for sorption and desorption of molecular gas contained by storage sites of nano-filament laded reticulated aerogel

RAYTHEON CO

Constantly high sensitivity fiber optic interferometer sensor

SOUTHWEST RES INST

Dual-interferometer method for measuring bending of materials