Inventor
PHILIP ALEXANDER S
GB12 patents
⚠️ This page may combine multiple inventors who share the name “PHILIP ALEXANDER S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PLESSEY CO PLC
7 patentsUS4425640AJan 10, 1984
Telecommunications switching network using digital switching modules
PLESSEY CO PLC118 citations95
US4648090AMar 3, 1987
Arrangement for controlling switched speech or data communication in a communications exchange
PLESSEY CO PLC9 citations73
US4535442AAug 13, 1985
Digital switching network for telecommunications exchange
PLESSEY CO PLC13 citations71
US4794644ADec 27, 1988
Method of secured communications in a telecommunications system
PLESSEY CO PLC18 citations69
US4365330ADec 21, 1982
Channel zero switching arrangements for digital telecommunication exchanges
PLESSEY CO PLC8 citations68
US4530089AJul 16, 1985
Telecommunications digital switchblock utilizing control switch state maps
PLESSEY CO PLC4 citations60
US4425641AJan 10, 1984
Time division multiplex telecommunication digital switching modules
PLESSEY CO PLC5 citations60
PLESSEY TELECOMM
3 patentsUS5109378AApr 28, 1992
Asynchronous time division switch with increased traffic handling capability
PLESSEY TELECOMM36 citations92
US5170391ADec 8, 1992
Fault detection and bandwidth monitoring means for a packet switching arrangement
PLESSEY TELECOMM26 citations91
US5493435AFeb 20, 1996
Optic switching
PLESSEY TELECOMM3 citations62