TRANSMISSION, RECEIVING, GENERATION AND REGENERATION EQUIPMENT, AND PARTS THEREFOR, FOR USE IN THE COMMUNICATION AND TELEMETERING FIELDS, NAMELY, TIME DIVISION MULTIPLEXERS AND DEMULTIPLEXERS; EQUIPMENT FOR PRODUCING, TRANSMITTING, RECEIVING AND/OR PROCESSING TELECOMMUNICATIONS DATA AND/OR SIGNALS, NAMELY, ENCODERS, DECODERS, TERMINAL BUFFERS, TRANSMITTERS, RECEIVERS, TRANSCEIVERS, PROCESSORS, ANALOG-TO-DIGITAL CONVERTERS; EQUIPMENT FOR USE IN THE TELEPHONE INDUSTRY, NAMELY, CHANNEL BANKS, DI...

EQUIPMENT FOR PRODUCING, TRANSMITTING, RECEIVING AND/OR PROCESSING TELECOMMUNICATIONS DATA AND/OR SIGNALS-NAMELY, ENCODERS, DECODERS, TERMINAL BUFFERS, TRANSMITTERS, RECEIVERS, TRANSCEIVERS, PROCESSORS, CONTROLLERS FOR PROCESSOR PERIPHERAL EQUIPMENT, ANALOG-TO-DIGITAL CONVERTERS, [ VIDEO SWITCHES, ] MODEMS, FREQUENCY MULTIPLEXERS, DATA STORAGE REGISTERS, CARRIER DETECTOR MONITORS, CARRIER DATA QUALITY MONITORS, CODED SIGNAL TRANSLATORS; DATA TEST SETS; EQUIPMENT FOR USE IN THE TELEGRAPH INDUS...

TRANSMISSION, RECEIVING, GENERATION AND REGENERATION EQUIPMENT, AND PARTS THEREFOR, FOR USE IN THE COMMUNICATION AND TELEMETERING FIELDS-NAMELY, ENCODERS, DECODERS, RECEIVERS, TRANSMITTERS, AND TRANSCEIVERS; AND FOR TESTING, ANALYZING MONITORING, ALARMING AND SENDING EQUIPMENT, AND PARTS THEREFOR, FOR USE IN THE COMMUNICATION AND TELEMETERING FIELDS-NAMELY, TIME DIVISION MUTIPLEXERS AND DEMULTIPLEXERS, KEYING TONE, GENERATORS AND ANNUNCIATOR CIRCUITS

TRANSMISSION, RECEIVING, GENERATION AND REGENERATION EQUIPMENT, AND PARTS THEREFOR, FOR USE IN THE COMMUNICATION AND TELEMETERING FIELDS, AND ELECTROMECHANICAL AND SOLID-STATE ELECTRONIC DOOR-UNLATCHING DEVICES