Carrier wave reproducer device for use in the reception of a mul
Carrier-modulated coherency monitoring system
Character writing system
Checker and automatic synchronizer for coding equipment
Checker and automatic synchronizer for coding equipment
Cipher apparatus for multiplex pulse code modulation systems
Cipher computer and cryptographic system
Circuit arrangement for communication facilities wherein transmi
Circuit arrangement for controlling of amplification devices in
Circuit arrangement for lengthening a stop element at the receiv
Circuit arrangement for synchronizing a type carrier in a printe
Circuit arrangement for the control of a crypto operation in the
Circuit arrangement for the control of semi-duplex data transmis
Circuit arrangement for the time division multiplex transmission
Circuit arrangement for two-wire full duplex data transmission
Circuit for preventing errors in decoding information from disto
Circuit for producing a pulse succession
Circuit for producing noise generation for sound masking
Circuit for separating a composite stream of data and clock puls
Circuit for simulating the scrambling of an electromechanical ro