Facilitating recovery in a coordinated timing network

Facilitating synchronization of servers in a coordinated...

Facsimile telegraph apparatus

Failure alarm arrangements in multi-channel carrier current...

Failure detecting apparatus

Fast frequency hopping spread spectrum for code division...

Fast reframing arrangement for digital transmission systems

Fast tunable channel dropping filter

Fault detection signal transmission system

Fault transmission system

Fault-detecting system for a multi-channel relay system

Fault-generated surge responsive fault locating system for...

Fdm inbound/tdm outbound communication system

Fdm-tdm transmultiplexing system

Fdm/tdm transmultiplexer

Feed forward spread spectrum signal processor

Feed-forward amplifier having arbitrary gain-frequency...

Feed-forward, error-correcting systems

Fft filter bank for simultaneous separation and demodulation...

Fiber optic data link system