Operation of a system using a remote control
Operation state display apparatus for shuttle switch and display
Operationally secure communication assembly
Operator control logging device for an electrical device
Operator intent based passive keyless vehicle control system
Operator interactive device verification system
Operator interface for plant component control system
Optical anti-theft system
Optical card-key data connector
Optical encoder
Optical encoder with integral flexible coupler
Optical port multiplexer for electric metering equipment
Optical selector switch and display apparatus
Optical sensor for utility meter
Optical service tool apparatus
Optical telemetric transceiver
Optically coupled gas meter
Optically readable and human readable dial
Optional apparatus connectable to other apparatus
Orally Mounted wireless transcriber device