BREATH SENSOR AND BREATH MEASUREMENT METHOD

OPTICAL GAS SENSOR DEVICE, GAS DETECTION METHOD, AND STORAGE MEDIUM STORING PROGRAM

Electrically modulated light source, non-dispersive infrared spectrum detection system and method for detecting gas using the same

Infrared device

Infrared radiation source

Oil sensor for a compressor

Environment sensor system

Light emitter devices, photoacoustic gas sensors and methods for forming light emitter devices

Pulse width modulation of continuum sources for determination of chemical composition

Infrared detection device

Infrared radiator arrangement for a gas analysis device

Fluid film indicator

Reference Light Source Device

Infrared radiation sources, sensors and source combinations, and methods of manufacture

Breath analyzer

METHOD AND APPARATUS FOR DRIVING A RADIATION SOURCE

Infrared radiation sources, sensors and source combinations, and methods of manufacture

Compact analyzer for dry biochemical analysis of blood samples

Method and apparatus for a downhole spectrometer based on tunable optical filters

Portable forensic lighting device

Blood monitoring system