apparatus for transmission of communication, excluding communication software that facilitates collaboration among individuals and organizations; oscillator; radio receivers and transmitters; digital-to-analog converter; analog-to-digital converter; frequency synthesizer; communication modem; integrated circuits chips used for wireless and wireline digital communication; integrated circuits; electronic circuits; semiconductor chips; very large-scale semiconductor integrated circuits (VLSI)

Battery charger multiplexer

quadrupole mass spectrometers with a system for linking power supplies to a PC host for simultaneous data acquisition from multiple sensors

multiple transceiver apparatus coupled to a single antenna and an antenna, for coupling to multiple transceiver apparatus for cellular telephone equipment

Micocomputer Expansion Boards for Enabling One Type of Microcomputer to Use Software Intended for Another Type of Microcomputer