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Alexander S. Philip
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Dorset, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Line communication systems incorporating mains electricity conducto...
Patent number
5,745,552
Issue date
Apr 28, 1998
GPT Limited
Gordon William Chambers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optic switching
Patent number
5,493,435
Issue date
Feb 20, 1996
GPT Limited
Alexander S. Philip
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High performance asynchronous transfer mode switch
Patent number
5,303,232
Issue date
Apr 12, 1994
GPT Limited
Richard J. Proctor
G02 - OPTICS
Information
Patent Grant
Fault detection and bandwidth monitoring means for a packet switchi...
Patent number
5,170,391
Issue date
Dec 8, 1992
GEC Plessey Telecommunications Limited
John S. Arnold
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Asynchronous time division switch with increased traffic handling c...
Patent number
5,109,378
Issue date
Apr 28, 1992
GEC Plessey Telecommunications Limited
Richard J. Proctor
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of secured communications in a telecommunications system
Patent number
4,794,644
Issue date
Dec 27, 1988
The Plessey Company, plc
Alexander S. Philip
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Arrangement for controlling switched speech or data communication i...
Patent number
4,648,090
Issue date
Mar 3, 1987
The Plessey Company plc
Thomas S. Maddern
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital switching network for telecommunications exchange
Patent number
4,535,442
Issue date
Aug 13, 1985
The Plessey Company plc
Thomas S. Maddern
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telecommunications digital switchblock utilizing control switch sta...
Patent number
4,530,089
Issue date
Jul 16, 1985
The Plessey Company plc
John W. Ansell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time division multiplex telecommunication digital switching modules
Patent number
4,425,641
Issue date
Jan 10, 1984
The Plessey Company plc
Joseph A. French
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telecommunications switching network using digital switching modules
Patent number
4,425,640
Issue date
Jan 10, 1984
The Plessey Company plc
Alexander S. Philip
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Channel zero switching arrangements for digital telecommunication e...
Patent number
4,365,330
Issue date
Dec 21, 1982
The Plessey Company plc
Geoffrey Chopping
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital switching arrangements for stored program control telecommu...
Patent number
4,300,230
Issue date
Nov 10, 1981
The Plessey Company Limited
Alexander S. Philip
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital telecommunication switching systems
Patent number
4,197,523
Issue date
Apr 8, 1980
The Plessey Company Limited
Alexander S. Philip
H04 - ELECTRIC COMMUNICATION TECHNIQUE