Reduced current consumption circuit for LED devices
Redundantly coded visual indication system
Remaining battery energy indicating instrument
Remote control electronic display system
Remote control electronic display system
Remote control electronic display system
Remote control electronic display system
Remote controller for controlling playback of multimedia file
Remote lighting control device for lamp string
Remote monitoring of elevator cab lights
Remote-controlled message sign
Remotely activated trail marker system and its method of use
Replaceable LED modules
Replaceable led modules
Replaceable LED modules
Replacement led lamp assembly and modulated power intensity...
Replacement led lamp assembly and modulated power intensity...
Rescue beacon apparatus
Rescue guilding system
Rotary unit and illumination unit for a 3-side variable advertis