Fast and slow neutron counter
Fast neutron detector having an open-structured hydrogenous...
Fast neutron spectroscopy using neutron-induced charged...
Fibrinogen monitor
Field effect transistor for ionization smoke detector
Fire alarm device
Fire and smoke detectors and the like
Fire detecting system
Fire detector
Fission chamber and neutron fluence measuring device using such
Flat scintillation gamma camera, with very high spatial...
Flat-panel detector utilizing electrically interconnecting...
Flexible liquid-filled radiation detector scintillator
Flexible radiation probe
Fluorescence detector for monitoring atmospheric pollutants
Fluorescent gas analyzer with calibration system
Focused multielement detector for x-ray exposure control
Foot board for tree choppers
Frequency meter