P. Kingston Duffie

Person

Palo Alto, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Smart cable for design of high density metallic cross connect systems
- Patent number 6,937,157
- Issue date Aug 30, 2005
- Turnstone Systems, Inc.
- Ramon C. W. Chea, Jr.
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Physical architecture for design of high density metallic cross con...
- Patent number 6,903,939
- Issue date Jun 7, 2005
- Turnstone Systems, Inc.
- Ramon C. W. Chea, Jr.
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Systems and methods for protecting vulnerable micro electro-mechani...
- Patent number 6,671,149
- Issue date Dec 30, 2003
- Turnstone Systems, Inc.
- Ramon C. W. Chea
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Splitter bypass architecture for testing multiple ports
- Patent number 6,594,343
- Issue date Jul 15, 2003
- Turnstone Systems, Inc.
- P. Kingston Duffie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice over DSL method and system for supporting a lifeline
- Patent number 6,574,313
- Issue date Jun 3, 2003
- Turnstone Systems, Inc.
- Ramon C. W. Chea
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Remotely actuated splittler bypass system and method
- Patent number 6,574,309
- Issue date Jun 3, 2003
- Turnstone Systems, Inc.
- Ramon C. W. Chea
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Enabling and powering of remotely actuated bypass splitters
- Patent number 6,553,105
- Issue date Apr 22, 2003
- Turnstone Systems, Inc.
- Ramon C. W. Chea
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for supporting a lifeline associated with voice o...
- Patent number 6,546,089
- Issue date Apr 8, 2003
- Turnstone Systems, Inc.
- Ramon C. W. Chea
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Structure and circuit topology for a remotely actuated bypass splitter
- Patent number 6,480,575
- Issue date Nov 12, 2002
- Turnstone Systems, Inc.
- Ramon C. W. Chea
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Stackable data cell switch architecture
- Patent number 5,651,003
- Issue date Jul 22, 1997
- Whitetree, Inc.
- Jonathan R. Pearce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for route processing asynchronous transfer mod...
- Patent number 5,528,592
- Issue date Jun 18, 1996
- DSC Communications Corporation
- Ross M. Schibler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for generating route information for asynchron...
- Patent number 5,453,979
- Issue date Sep 26, 1995
- DSC Communications Corporation
- Ross M. Schibler
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method of transmitting call information prior to esta...
- Patent number 5,452,293
- Issue date Sep 19, 1995
- DSC Communications Corporation
- I. C. Keith Wilkinson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Enabling and powering of remotely actuated bypass splitters
- Publication number 20020131568
- Publication date Sep 19, 2002
- Ramon C.W. Chea
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Structure and circuit topology for a remotely actuated bypass splitter
- Publication number 20020122539
- Publication date Sep 5, 2002
- Ramon C.W. Chea
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

P. Kingston Duffie

Person

Patents Grantslast 30 patents

Smart cable for design of high density metallic cross connect systems

Physical architecture for design of high density metallic cross con...

Systems and methods for protecting vulnerable micro electro-mechani...

Splitter bypass architecture for testing multiple ports

Voice over DSL method and system for supporting a lifeline

Remotely actuated splittler bypass system and method

Enabling and powering of remotely actuated bypass splitters

Method and system for supporting a lifeline associated with voice o...

Structure and circuit topology for a remotely actuated bypass splitter

Stackable data cell switch architecture

Method and apparatus for route processing asynchronous transfer mod...

Method and apparatus for generating route information for asynchron...

Apparatus and method of transmitting call information prior to esta...

Patents Applicationslast 30 patents

Enabling and powering of remotely actuated bypass splitters

Structure and circuit topology for a remotely actuated bypass splitter