System for recognizing authorization to use a vehicle

System for remote computer control using message broadcasting sy

System for remote control of identical devices

System for remote data collecting, method implemented in this sy

System for remote data collection

System for remote operation of a personal hygiene or...

System for remotely adjusting a parameter of an electrical circu

System for resolving collision in local network

System for selectively transmitting messages to passers-by

System for setting ambient parameters

System for supplying various departments of large self-service s

System for synchronizing signals on a two-wire line

System for synchronous measurement in a digital computer network

System for the contactless exchange of data

System for the electrical transmission of an angular position

System for the locking and/or unlocking of a security device

System for the remote acquisition of the electric energy...

System for the remote data acquisition and control of...

System for transmitting heading information from a compass to se

System for utility meter communications using a single RF freque