William S. Duckwall

Person

Santa Cruz, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for the addition and removal of nodes from a c...
- Patent number 8,407,330
- Issue date Mar 26, 2013
- Apple Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fly-by serial bus arbitration
- Patent number 8,155,112
- Issue date Apr 10, 2012
- Apple Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fly-by and ack-accelerated arbitration for broadcast packets
- Patent number 7,995,606
- Issue date Aug 9, 2011
- Apple Inc.
- Jerrold V. Hauck
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for the addition and removal of nodes from a c...
- Patent number 7,334,030
- Issue date Feb 19, 2008
- Apple Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for accelerating detection of serial bus devic...
- Patent number 7,096,302
- Issue date Aug 22, 2006
- Apple Computer, Inc.
- William S. Duckwall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for the addition and removal of nodes from a c...
- Patent number 6,954,787
- Issue date Oct 11, 2005
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fly-by serial bus arbitration
- Patent number 6,904,044
- Issue date Jun 7, 2005
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for accelerating detection of serial bus devic...
- Patent number 6,839,791
- Issue date Jan 4, 2005
- Apple Computer, Inc.
- William S. Duckwall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fly-by serial bus arbitration
- Patent number 6,763,414
- Issue date Jul 13, 2004
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fly-by serial bus arbitration
- Patent number 6,721,330
- Issue date Apr 13, 2004
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fly-by serial bus arbitration
- Patent number 6,711,173
- Issue date Mar 23, 2004
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for accelerating detection of serial bus devic...
- Patent number 6,457,086
- Issue date Sep 24, 2002
- Apple Computers, Inc.
- William S. Duckwall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fly-by serial bus arbitration
- Patent number 6,385,679
- Issue date May 7, 2002
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for the addition and removal of nodes from a c...
- Patent number 6,314,461
- Issue date Nov 6, 2001
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for optimizing acknowledge packet rate
- Patent number 6,266,334
- Issue date Jul 24, 2001
- Zayante, Inc.
- William Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for the addition and removal of nodes from a c...
- Patent number 6,199,119
- Issue date Mar 6, 2001
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Incremental bus reconfiguration without bus resets
- Patent number 5,935,208
- Issue date Aug 10, 1999
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for the addition and removal of nodes from a c...
- Patent number 5,875,301
- Issue date Feb 23, 1999
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for accelerating arbitration in a serial bus b...
- Patent number 5,802,048
- Issue date Sep 1, 1998
- Apple Computer, Inc.
- William S. Duckwall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Fly-by serial bus arbitration
- Patent number 5,802,057
- Issue date Sep 1, 1998
- Apple Computer, Inc.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Token style arbitration on a serial bus by passing an unrequested b...
- Patent number 5,784,648
- Issue date Jul 21, 1998
- Apple Computer, Inc.
- William S. Duckwall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for accelerating arbitration in a serial bus b...
- Patent number 5,495,481
- Issue date Feb 27, 1996
- Apple Computer, Inc.
- William S. Duckwall
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
FLY-BY AND ACK-ACCELERATED ARBITRATION FOR BROADCAST PACKETS
- Publication number 20110292944
- Publication date Dec 1, 2011
- Jerrold V. Hauck
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND APPARATUS FOR THE ADDITION AND REMOVAL OF NODES FROM A C...
- Publication number 20080140864
- Publication date Jun 12, 2008
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for the addition and removal of nodes from a c...
- Publication number 20050251601
- Publication date Nov 10, 2005
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for accelerating detection of serial bus devic...
- Publication number 20050114582
- Publication date May 26, 2005
- APPLE COMPUTER, INC.
- William S. Duckwall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Fly-by serial bus arbitration
- Publication number 20040246959
- Publication date Dec 9, 2004
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fly-by serial bus arbitration
- Publication number 20030055999
- Publication date Mar 20, 2003
- APPLE COMPUTER, INC.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fly-by serial bus arbitration
- Publication number 20030037161
- Publication date Feb 20, 2003
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for accelerating detection of serial bus devic...
- Publication number 20020188780
- Publication date Dec 12, 2002
- Zayante
- William S. Duckwall
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Fly-by serial bus arbitration
- Publication number 20020188783
- Publication date Dec 12, 2002
- APPLE COMPUTER, INC.
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fly-by serial bus arbitration
- Publication number 20020103947
- Publication date Aug 1, 2002
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for the addition and removal of nodes from a c...
- Publication number 20010024423
- Publication date Sep 27, 2001
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for the addition and removal of nodes from a c...
- Publication number 20010001151
- Publication date May 10, 2001
- William S. Duckwall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

William S. Duckwall

Person

Patents Grantslast 30 patents

Method and apparatus for the addition and removal of nodes from a c...

Fly-by serial bus arbitration

Fly-by and ack-accelerated arbitration for broadcast packets

Method and apparatus for the addition and removal of nodes from a c...

Method and apparatus for accelerating detection of serial bus devic...

Method and apparatus for the addition and removal of nodes from a c...

Fly-by serial bus arbitration

Method and apparatus for accelerating detection of serial bus devic...

Fly-by serial bus arbitration

Fly-by serial bus arbitration

Fly-by serial bus arbitration

Method and apparatus for accelerating detection of serial bus devic...

Fly-by serial bus arbitration

Method and apparatus for the addition and removal of nodes from a c...

Method for optimizing acknowledge packet rate

Method and apparatus for the addition and removal of nodes from a c...

Incremental bus reconfiguration without bus resets

Method and apparatus for the addition and removal of nodes from a c...

Method and apparatus for accelerating arbitration in a serial bus b...

Fly-by serial bus arbitration

Token style arbitration on a serial bus by passing an unrequested b...

Method and apparatus for accelerating arbitration in a serial bus b...

Patents Applicationslast 30 patents

FLY-BY AND ACK-ACCELERATED ARBITRATION FOR BROADCAST PACKETS

METHOD AND APPARATUS FOR THE ADDITION AND REMOVAL OF NODES FROM A C...

Method and apparatus for the addition and removal of nodes from a c...

Method and apparatus for accelerating detection of serial bus devic...

Fly-by serial bus arbitration

Fly-by serial bus arbitration

Fly-by serial bus arbitration

Method and apparatus for accelerating detection of serial bus devic...

Fly-by serial bus arbitration

Fly-by serial bus arbitration

Method and apparatus for the addition and removal of nodes from a c...

Method and apparatus for the addition and removal of nodes from a c...