Category
page 1Warning systems
closed-circuit television
use of video cameras to transmit a signal to a specific place on a limited set of monitors

domestic canary
breed of domesticated bird
alarm device
type of device that alerts people to a dangerous condition by means of visual, audible or sensitive signals, using sensors or measurements already observed and sometimes imposed and controled
traffic collision avoidance system
aircraft collision avoidance system which actively interrogates other aircraft transponders
traffic warning sign
sign indicating potential hazards, obstacles or conditions requiring special attention
skull and crossbones
symbol of death
ground proximity warning system
aircraft system which detects when there is a danger of flying into terrain features and warns crew
radar warning receiver
systems that detect the radio emissions of radar systems
physical security
material security measures that are designed to deny unauthorized access to facilities, equipment and resources and to protect personnel and property from damage or harm

Mobileye
Mobileye Global Inc. is a United States-domiciled, Israel-headquartered autonomous driving company. It is developing self-driving technologies and advanced driver-assistance systems (ADAS) including cameras, computer chips, and software. Mobileye was acquired by Intel in 2017 and went public again in 2022.
thumb|right|A Mobileye EyeQ2 chip used in a Hyundai Lane Guidance camera module
tobacco packaging warning messages
labels on tobacco products warning of the negative impacts
lane departure warning system
mechanism designed to warn a driver when the vehicle begins to move out of its lane
Pacific Tsunami Warning Center
one of two tsunami warning centers that are operated by NOAA, located on Ford Island, Hawaii
tsunami warning system
system used to detect tsunamis and issue warnings, which typically is made up of two equally important components: a network of sensors to detect tsunamis and a communications infrastructure to issue timely evacuation alarms
early warning system
system providing early detection of problematic outcomes, typically using sensors, event detection and decision subsystems
counter-battery radar
radar that locates artillery pieces by tracking their projectiles
Automatic Warning System
system

remove before flight
safety warning

Byzantine beacon system
system of beacons stretching across Anatolia
Red Color
an early warning radar system installed by the Israel Defense Forces
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ARTHUR
ARTHUR (an acronym for "artillery hunting radar") is a counter-battery radar system originally developed jointly for and in close co-operation with the Norwegian and Swedish armed forces by Ericsson Microwave Systems in both Sweden and Norway. It is also used by the British Army, under the designation TAIPAN.

safety sign
type of sign
laser warning receiver
Military warning system
warning system
system of biological or technical nature deployed by an individual or group to inform of a future danger
FLARM
thumb|right|FLARM Logo
FLARM is a proprietary electronic system used to selectively alert pilots to potential collisions between aircraft. It is not formally an implementation of ADS-B, as it is optimized for the specific needs of light aircraft, not for long-range communication or ATC interaction. FLARM is a portmanteau of "flight" and "alarm". The installation of all physical FLARM devices is approved as a "Standard Change", and the PowerFLARM Core specifically as a "Minor Change" by the European Union Aviation Safety Agency; and in addition the Minor Change also approves the PowerFLARM Core
COBRA
counter-battery radar
airborne collision avoidance system
avionics system to identify and report the presence of nearby aircraft that present a collision risk
Convention on Early Notification of a Nuclear Accident
1986 international treaty
Indian Ocean Tsunami Warning System
tsunami in the Indian Ocean
tripwire
thumb|Simulated tripwire pipe bomb
acoustic mirror
technology for detecting incoming enemy aircraft, used before radar was developed
1L219 Zoopark-1
thumb|Zoopark-1
boxed warning
type of warning from FDA on the package insert for certain prescription drugs
Tsunami Warning
type of emergency alert issued in Japan
Balisor
thumb|right|300px|Photograph showing Balisor beacons in use on high voltage cables
Balisor is a system of illuminated beacons for high voltage power lines using a cold-cathode low-pressure neon lamp, used as an aircraft warning light.
precautionary statement
sentences providing information on potential hazards, and proper procedures
Emergency Broadcast System
defunct emergency warning system used in the United States by television and radio stations between 1963 and 1997
Vehicle Information and Communication System
traffic information technology used in Japan
CONELRAD
CONELRAD (Control of Electromagnetic Radiation) was a method of emergency broadcasting to the public of the United States in the event of enemy attack during the Cold War. It was intended to allow continuous broadcast of civil defense information to the public using radio stations, while rapidly switching the transmitter stations to make the broadcasts unsuitable for Soviet bombers that might attempt to home in on the signals (as was done during World War II, when German radio stations, based in or near cities, were used as beacons by bomber pilots).
Emergency Warning
Japanese Early Warning system
G-Book
right|thumb|300px|Lexus navigation system with G-Book/G-Link ('G'-icon button on touchscreen)
european hazard symbols
pictograms for labelling chemicals in the European Union
European Community Urgent Radiological Information Exchange
European early notification system in the event of a radiological or nuclear emergency
Minimum safe altitude warning
air traffic control warning system
Aistyonok
Aistyonok (, Little Stork; GRAU designation 1L271) is a portable counter-battery radar system developed and produced by the state-owned Almaz-Antey corporation for the Russian Armed Forces.