School alert: Sonitrol.
www.sonitrol.com/safeschools, Hardware, $300-$500
This security system consists of fixed panic buttons that are
placed in common areas around school and wireless emergency buttons
carried by school administrators via lanyard or keychain (1) The password management system in the Mac. Introduced in Mac OS 8.6 to keep track of logins for multiple e-mail accounts, the Keychain was later enhanced to include passwords for networks, applications and the Internet, as well as for encryption keys and digital certificates. that can be
activated activated
a state of being more than usually active. In biological systems this is usually brought about by chemical or electrical means. Commonly said of pharmaceutical and chemical products. anywhere in the building. When pressed, the buttons activate
audio sensors - Thermocouple
- RTD - Resistance Temperature Detector or Resistance thermometer or Pt100
- Microphone
- Hydrophones
- Seismometers
- Photoresistor
- Phototransistor
- Infrared thermometer
- Multi-User Multimodal Tabletop Interaction
- Cationic Sensor
and/or video cameras. Monitoring personnel can hear or see
events occurring in real-time 1. real-time - Describes an application which requires a program to respond to stimuli within some small upper limit of response time (typically milli- or microseconds). Process control at a chemical plant is the classic example. . Other features include an integrated door
control system that allows schools to limit and control access to their
buildings, as well as theft-prone areas such as computer rooms, science
laboratories and administrative offices.
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