Software protection system
Software security method using partial fabrication of proprietar
Solid state key for controlling access to computer software
Solid state key for controlling access to computer software
Space diversity system in PCM-TDMA telecommunication system usin
Squelch circuit for a digital system
Start and stop system
Start/stop teleprinter scrambler
Stereoscopically display three dimensional ultrasound imaging
Stream cipher operation using public key cryptosystem
Stream/block cipher crytographic system
Superposition recording apparatus
Switching arrangement for extending the receiver stop pulse leng
Switching arrangement for transmitting data in time division mul
Switching arrangement for transmitting synchronously and asynchr
Switching circuit for regulating the repetition rate of clock pu
Synchronization method for the recovery of binary signals
Synchronization of long codes of bounded time uncertainty
Synchronizer for frequency hopping receiver
Synchronizing circuit for modems in a data communications networ