- (ionization).
Detectors may use one or both
sensing methods.
Sensitive alarms can be used to
detect and
deter smoking in
banned areas.
Smoke detectors in large...
- mechanisms, and demodulators.
Phase detectors for phase-locked loop
circuits may be
classified in two types. A Type I
detector is
designed to be
driven by analog...
- A
metal detector is an
instrument that
detects the
nearby presence of metal.
Metal detectors are
useful for
finding metal objects on the surface, underground...
- An
infrared detector is a
detector that
reacts to
infrared (IR) radiation. The two main
types of
detectors are
thermal and
photonic (photodetectors). The...
-
Semiconductor detectors find
broad application for
radiation protection,
gamma and X-ray spectrometry, and as
particle detectors. In
semiconductor detectors, ionizing...
- humidity, air pollution, fire, health,
security and lighting. MOS gas
detector sensors are used to
detect carbon monoxide,
sulfur dioxide,
hydrogen sulfide...
- conditions. The use of
defect detectors has
since spread overseas to
other railroad systems.
Before the
advent of
automated detectors, on-board
train crew and...
-
detector-
detectors use a
similar superheterodyne receiver, many
early "stealth"
radar detectors were
equipped with a radar-
detector-
detector-
detector...
- Many of the
detectors invented and used so far are
ionization detectors (of
which gaseous ionization detectors and
semiconductor detectors are most typical)...
-
neutrino detectors must be very
large to
detect a
significant number of neutrinos.
Neutrino detectors are
often built underground, to
isolate the
detector from...
