Ring-type networks with a headend

Industry

CPC
H04B10/2755

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Parent Industries

HELECTRICITY H04Electric communication H04BTRANSMISSION H04B10/00Transmission systems employing electromagnetic waves other than radio-waves

Current Industry

H04B10/2755Ring-type networks with a headend

Industries

Patents Grantslast 30 patents

Information Patent Grant
Optical communication system and master station
- Patent number 12,040,831
- Issue date Jul 16, 2024
- Nippon Telegraph and Telephone Corporation
- Hirotaka Ujikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
C and L band optical communications module link extender, and relat...
- Patent number 11,271,670
- Issue date Mar 8, 2022
- Cox Communications, Inc.
- Harjinder S. Ghuman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High availability cluster management of computing nodes
- Patent number 11,061,719
- Issue date Jul 13, 2021
- SAP SE
- Mandar Khadilkar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Relay method, relay system, recording medium, and method
- Patent number 10,193,617
- Issue date Jan 29, 2019
- Fujitsu Limited
- Seiji Meki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ring in ring passive optical network system for providing fiber to...
- Patent number 9,736,559
- Issue date Aug 15, 2017
- Cox Communications, Inc.
- Timothy Kai-Loh Chia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Relay method, relay system, recording medium, and method
- Patent number 9,509,398
- Issue date Nov 29, 2016
- Fujitsu Limited
- Seiji Meki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ring in ring passive optical network system for providing fiber to...
- Patent number 9,118,983
- Issue date Aug 25, 2015
- Cox Communications, Inc.
- Timothy Kai-Loh Chia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical broadcast with buses with shared optical interfaces
- Patent number 8,687,961
- Issue date Apr 1, 2014
- Hewlett-Packard Development Company, L.P.
- Michael Renne Ty Tan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for connecting electrical devices using fiber opt...
- Patent number 8,481,911
- Issue date Jul 9, 2013
- Electro Industries/Gauge Tech
- Joseph Spanier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber sensing system with self-detection mechanism
- Patent number 7,925,126
- Issue date Apr 12, 2011
- National Chiao Tung University
- Chi-Wai Chow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio and/or video system for a motor vehicle
- Patent number 7,926,077
- Issue date Apr 12, 2011
- Siemens Aktiengesellschaft
- Hermann Gollwitzer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for connecting electrical devices using fiber opt...
- Patent number 7,897,905
- Issue date Mar 1, 2011
- Joseph Spanier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio base station with multiple radio frequency heads
- Patent number 7,738,789
- Issue date Jun 15, 2010
- Evolium S.A.S.
- Uwe Sulzberger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Passive optical network system based on a wavelength protection and...
- Patent number 7,634,160
- Issue date Dec 15, 2009
- ZTE Corporation
- Mingsheng Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical double sideband modulation technique with increased spectra...
- Patent number 7,515,833
- Issue date Apr 7, 2009
- OpVista Incorporated
- Winston I. Way
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Node apparatus, optical wavelength division multiplexing network, a...
- Patent number 7,433,594
- Issue date Oct 7, 2008
- Nippon Telegraph and Telephone Corporation
- Noboru Takachio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for connecting electrical devices using fiber opt...
- Patent number 7,388,189
- Issue date Jun 17, 2008
- Electro Industries/Gauge Tech
- Joseph Spanier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical ring transmission network
- Patent number 7,389,047
- Issue date Jun 17, 2008
- Alcatel
- Thierry Zami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Node apparatus, optical wavelength division multiplexing network, a...
- Patent number 7,164,861
- Issue date Jan 16, 2007
- Nippon Telegraph and Telephone Corporation
- Noboru Takachio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadcast and select all optical network
- Patent number 7,120,359
- Issue date Oct 10, 2006
- OpVista Incorporated
- Winston Way
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network architecture
- Patent number 6,978,090
- Issue date Dec 20, 2005
- Nortel Networks Limited
- Duncan J Forbes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadband amplified WDM ring
- Patent number 6,785,472
- Issue date Aug 31, 2004
- Lucent Technologies Inc.
- Laura Ellen Adams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication link with non-intrusive expansion capability
- Patent number 6,757,493
- Issue date Jun 29, 2004
- Aurora Networks, Inc.
- Guy Sucharczuk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for checking a ring optical network line for data transmissi...
- Patent number 6,643,465
- Issue date Nov 4, 2003
- DaimlerChrysler AG
- Marcus Bösinger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Active equipment protection methods and apparatus
- Patent number 6,618,522
- Issue date Sep 9, 2003
- Aurora Networks, Inc.
- Guy Sucharczuk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Active equipment protection methods and apparatus communicatively d...
- Patent number 6,501,871
- Issue date Dec 31, 2002
- Aurora Networks, Inc.
- Guy Sucharczuk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and method using an optical carrier dro...
- Patent number 6,466,342
- Issue date Oct 15, 2002
- AT&T Corp.
- Nicholas J. Frigo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system
- Patent number 6,414,768
- Issue date Jul 2, 2002
- Fujitsu Limited
- Takashi Sakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hybrid analog/digital WDM access network with mini-digital optical...
- Patent number 6,147,786
- Issue date Nov 14, 2000
- Nokia Telecommunications, OY
- Jin-Yi Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network, optical division and insertion node and recovery s...
- Patent number 6,137,603
- Issue date Oct 24, 2000
- NEC Corporation
- Naoya Henmi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL ACCESS NETWORK
- Publication number 20240063911
- Publication date Feb 22, 2024
- Nippon Telegraph and Telephone Corporation
- Shingo ONO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM AND MASTER STATION
- Publication number 20230142562
- Publication date May 11, 2023
- Nippon Telegraph and Telephone Corporation
- Hirotaka UJIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RELAY METHOD, RELAY SYSTEM, RECORDING MEDIUM, AND METHOD
- Publication number 20170070284
- Publication date Mar 9, 2017
- Fujitsu Limited
- Seiji MEKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RING IN RING PASSIVE OPTICAL NETWORK SYSTEM FOR PROVIDING FIBER TO...
- Publication number 20150358701
- Publication date Dec 10, 2015
- Cox Communications, Inc.
- Timothy Kai-Loh Chia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSCEIVER AND OPTICAL COMMUNICATiON SYSTEM
- Publication number 20150200729
- Publication date Jul 16, 2015
- OE Solutions America, Inc.
- Wanseok SEO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FIBER OPTIC VEHICLE COMMUNICATION SYSTEM
- Publication number 20120143438
- Publication date Jun 7, 2012
- NISSAN NORTH AMERICA, INC.
- David HEIDEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RING IN RING PASSIVE OPTICAL NETWORK SYSTEM FOR PROVIDING FIBER TO...
- Publication number 20110299851
- Publication date Dec 8, 2011
- Cox Communications, Inc.
- Timothy Kai-Loh Chia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Broadcast With Buses With Shared Optical Interfaces
- Publication number 20110211843
- Publication date Sep 1, 2011
- Michael Renne Ty Tan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR CONNECTING ELECTRICAL DEVICES USING FIBER OPT...
- Publication number 20110153238
- Publication date Jun 23, 2011
- Electro Industries/Gauge Tech.
- Joseph Spanier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fiber sensing system with self-detection mechanism
- Publication number 20100183258
- Publication date Jul 22, 2010
- Chi-Wai Chow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLE INTERCONNECTED BROADCAST AND SELECT OPTICAL RING NETWORKS...
- Publication number 20100111520
- Publication date May 6, 2010
- VELLO SYSTEMS, INC.
- Winston I. Way
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Passive Optical Network System Based on a Wavelength Protection and...
- Publication number 20080267628
- Publication date Oct 30, 2008
- ZTE Corporation
- Mingsheng Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR CONNECTING ELECTRICAL DEVICES USING FIBER OPT...
- Publication number 20080246628
- Publication date Oct 9, 2008
- Electro Industries/Gauge Tech.
- Joseph Spanier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio and/or video system for a motor vehicle
- Publication number 20070061846
- Publication date Mar 15, 2007
- Hermann Gollwitzer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Node apparatus, optical wavelength division multiplexing network, a...
- Publication number 20070031146
- Publication date Feb 8, 2007
- Nippon Telegraph and Telephone Corporation
- Noboru Takachio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiple interconnected broadcast and select optical ring networks...
- Publication number 20060275035
- Publication date Dec 7, 2006
- Winston I. Way
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical double sideband modulation technique with increased spectra...
- Publication number 20060269295
- Publication date Nov 30, 2006
- OpVista Incorporated, a California corporation
- Winston I. Way
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for connecting electrical devices using fiber opt...
- Publication number 20060086893
- Publication date Apr 27, 2006
- Joseph Spanier
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system, communication apparatus and method for accomm...
- Publication number 20060039396
- Publication date Feb 23, 2006
- NEC Corporation
- Hirokazu Ozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transceivers for path-protected passive optical metro acces...
- Publication number 20050249499
- Publication date Nov 10, 2005
- ALCATEL
- Heinz-Georg Krimmel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical LAN device and state monitoring method for load devices
- Publication number 20050232632
- Publication date Oct 20, 2005
- Youichi Okubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for communicating traffic between optical rings
- Publication number 20050196169
- Publication date Sep 8, 2005
- FUJITSU LIMITED
- Cechan Tian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical ring transmission network
- Publication number 20050185960
- Publication date Aug 25, 2005
- ALCATEL
- Thierry Zami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio base station with multiple radio frequency heads
- Publication number 20050152695
- Publication date Jul 14, 2005
- EVOLIUM S.A.S.
- Uwe Sulzberger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methof for securing an optical telecommunication ring network and c...
- Publication number 20050123292
- Publication date Jun 9, 2005
- ALCATEL
- Arnaud Bisson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Active equipment protection methods and apparatus
- Publication number 20030035641
- Publication date Feb 20, 2003
- Guy Sucharczuk
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Broadcast and select all optical network
- Publication number 20030025961
- Publication date Feb 6, 2003
- Winston Way
- G02 - OPTICS
Information Patent Application
Failure protection switching in optical network
- Publication number 20020181037
- Publication date Dec 5, 2002
- Richard Lauder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Node apparatus, optical wavelength division multiplexing network, a...
- Publication number 20010017722
- Publication date Aug 30, 2001
- Noboru Takachio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Ring-type networks with a headend

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Optical communication system and master station

C and L band optical communications module link extender, and relat...

High availability cluster management of computing nodes

Relay method, relay system, recording medium, and method

Ring in ring passive optical network system for providing fiber to...

Relay method, relay system, recording medium, and method

Ring in ring passive optical network system for providing fiber to...

Optical broadcast with buses with shared optical interfaces

System and method for connecting electrical devices using fiber opt...

Fiber sensing system with self-detection mechanism

Audio and/or video system for a motor vehicle

System and method for connecting electrical devices using fiber opt...

Radio base station with multiple radio frequency heads

Passive optical network system based on a wavelength protection and...

Optical double sideband modulation technique with increased spectra...

Node apparatus, optical wavelength division multiplexing network, a...

System and method for connecting electrical devices using fiber opt...

Optical ring transmission network

Node apparatus, optical wavelength division multiplexing network, a...

Broadcast and select all optical network

Optical network architecture

Broadband amplified WDM ring

Communication link with non-intrusive expansion capability

Method for checking a ring optical network line for data transmissi...

Active equipment protection methods and apparatus

Active equipment protection methods and apparatus communicatively d...

Optical transmission system and method using an optical carrier dro...

Optical communication system

Hybrid analog/digital WDM access network with mini-digital optical...

Optical network, optical division and insertion node and recovery s...

Patents Applicationslast 30 patents

OPTICAL ACCESS NETWORK

OPTICAL COMMUNICATION SYSTEM AND MASTER STATION

RELAY METHOD, RELAY SYSTEM, RECORDING MEDIUM, AND METHOD

RING IN RING PASSIVE OPTICAL NETWORK SYSTEM FOR PROVIDING FIBER TO...

OPTICAL TRANSCEIVER AND OPTICAL COMMUNICATiON SYSTEM

FIBER OPTIC VEHICLE COMMUNICATION SYSTEM

RING IN RING PASSIVE OPTICAL NETWORK SYSTEM FOR PROVIDING FIBER TO...

Optical Broadcast With Buses With Shared Optical Interfaces

SYSTEM AND METHOD FOR CONNECTING ELECTRICAL DEVICES USING FIBER OPT...

Fiber sensing system with self-detection mechanism

MULTIPLE INTERCONNECTED BROADCAST AND SELECT OPTICAL RING NETWORKS...

Passive Optical Network System Based on a Wavelength Protection and...

SYSTEM AND METHOD FOR CONNECTING ELECTRICAL DEVICES USING FIBER OPT...

Audio and/or video system for a motor vehicle

Node apparatus, optical wavelength division multiplexing network, a...

Multiple interconnected broadcast and select optical ring networks...

Optical double sideband modulation technique with increased spectra...

System and method for connecting electrical devices using fiber opt...

Communication system, communication apparatus and method for accomm...

Optical transceivers for path-protected passive optical metro acces...

Optical LAN device and state monitoring method for load devices

System and method for communicating traffic between optical rings

Optical ring transmission network

Radio base station with multiple radio frequency heads

Methof for securing an optical telecommunication ring network and c...

Active equipment protection methods and apparatus

Broadcast and select all optical network

Failure protection switching in optical network

Node apparatus, optical wavelength division multiplexing network, a...