garage door openers
Remote entry devices
Garage door openers are motorized devices that automatically raise and lower garage doors, typically operated by remote control or wall-mounted button.
The term covers both the mechanism itself and the handheld remotes: I keep a garage door opener clipped to my visor.
Most use radio frequencies, making them a common example when explaining wireless technology or security vulnerabilities.
- remoteDistant or controller
- motorEnergy-to-motion converter
- chain driveLinked-loop power transmission
- automationSelf-operating system design
- convenienceEase of use
belt · trolley · sensor · chain · belt drive · weatherstripping · button · keypad · safety inspections · security · smart locks · springs · accessibility · backup battery · power outage · receivers · tracks · WiFi