electric eyes
Beam-triggered security sensors
Electric eyes are photoelectric sensors that detect when a beam of light is interrupted, triggering automatic responses—opening doors, counting objects on assembly lines, or sounding alarms.
The term evokes the idea of a mechanical eye that "sees" without human attention.
Figuratively, electric eyes suggests surveillance or being watched: I felt electric eyes on me everywhere I went.
- photocellsDevices converting light to electricity
- light sensorDevice detecting luminosity
- detectorsDevices that discover presence
- motion detectorDevice sensing nearby movement
- sensorsDevices that detect input
infrared · circuits · proximity · automatic doors · automatic flush · motion · optical · barcode scanners · burglar alarms · security system · David Bowie · laser diode · photodetector · automations · light beam · beam · technology · security cameras
electric eyesdoorman
Building entrance attendant
naked eye · watchman · security guard · night watchman · visual inspection
electric eyespersonal attention
Focused care for one
naked eye · direct observation · eyewitness · blind trust · privacy
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