Circuit for handling conversation data in a distributed processi
Communications system input-output converter
Control device of a teletypewriter to be used by invalids
Control system for functional sequences
Conversational video system
Conversion circuit arrangement and method for switching digital
Data storage systems
Dialing system for teleprinter
Digital autostart circuit
Direct current telegraphy systems
Distributed processing telex exchange
Editing arrangement for videotex system with public terminals
Facsimile and radio teletype broadcast signal decoder
High speed digital switch
Imaging and scanning system
Interface between personal computer and telex communication syst
Interface unit for a modular telecommunication system
Keyboard-printer terminal interface for data processing
Laser computer output microfilmer with electrical misalignment c
Low speed terminal interface for all-digital PABX