Apparatus for remotely determining the angular orientation, spee

Apparatus for selectively displaying analogue quantities of plur

Apparatus for sensing and transmitting a pacemaker's stimulating

Apparatus for sensing variations in the heat exchange properties

Apparatus for the detection of breaks in moving threadlines

Apparatus for the detection of liquid components in gases for dr

Apparatus for the detection of vibration in rotating machinery

Apparatus for the optional detection of the movement of any indi

Apparatus for the transmission of information in a restaurant

Apparatus for transmitting and receiving a power line

Apparatus for transmitting information on an alternating current

Apparatus for transmitting instrumentation signals over power co

Apparatus for warning of the failure of a sump pump

Apparatus indicating an absent golf club

Apparatus, system, and method for indicating a level of...

Apparatus, systems, and methods to support service calls

Appliance adapted for power line communications

Appliance alarm device

Appliance control

Appliance control