wireless multiline telephone systems comprising handsets and key systems units (KSU); and proximal area wireless communication systems for transmission of voice, data and video, comprising two or more proximally located transceivers

Telecommunication machines and apparatus; Wire communication machines and apparatus; Radio communication machines and apparatus; Electronic machines, apparatus and their parts; Computer programs; Computer programs for operation and management of communication network systems; Computer programs for communication network systems; Computer programs for managing information from telecommunication machines and apparatus; Computer programs for controlling telecommunication machines and apparatus; P...

AC variable frequency drives that are used to control small and medium-sized motors in applications such as HVAC and pumps

base station transfer subsystem within the CDMA (code division multi access) PCS (personal communication system) network, intercommunication apparatus, intercoms; multiplexers, telecommunication switching apparatus, portable communication apparatus and electronic signal transmitters