Stefan Dahlfort

Person

Santa Clara, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Thermally resistant remote radio unit
- Patent number 12,044,891
- Issue date Jul 23, 2024
- Telefonaktiebolaget LM Ericsson (publ)
- Stefan Dahlfort
- G02 - OPTICS
Information Patent Grant
Method and devices for automatic tuning in WDM-PON
- Patent number 9,660,754
- Issue date May 23, 2017
- Telefonaktiebolaget LM Ericsson (publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for split spectrum signalling in an optical network
- Patent number 9,660,756
- Issue date May 23, 2017
- Telefonaktiebolaget LM Ericsson (publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Service edge hub device and methods in an optical network node
- Patent number 9,331,807
- Issue date May 3, 2016
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for routing and spectrum assignment
- Patent number 9,252,912
- Issue date Feb 2, 2016
- Telefonaktiebolaget L M Ericsson (Publ)
- Ming Xia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Configurable single-fiber or dual-fiber optical transceiver
- Patent number 9,209,901
- Issue date Dec 8, 2015
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Node and method for iterative improvement of spectral use
- Patent number 9,191,103
- Issue date Nov 17, 2015
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for communicating a plurality of antenna signals at diffe...
- Patent number 9,184,842
- Issue date Nov 10, 2015
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time-based link fault localization
- Patent number 9,178,755
- Issue date Nov 3, 2015
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automated fault localization in pipelines and electrical power tran...
- Patent number 9,164,065
- Issue date Oct 20, 2015
- Telefonaktiebolaget L M Ericsson (Publ)
- David Hood
- G01 - MEASURING TESTING
Information Patent Grant
Overhead adjustment scheme for passive optical networks
- Patent number 9,066,164
- Issue date Jun 23, 2015
- TELEFONAKTIEBOLAGET LM ERISSON (PUBL)
- Einar In De Betou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for fault discovery in a passive optical netwo...
- Patent number 9,042,723
- Issue date May 26, 2015
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for fast wavelength division multiplexing (WDM) passive opti...
- Patent number 9,031,408
- Issue date May 12, 2015
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical-layer multipath protection for optical network
- Patent number 9,002,194
- Issue date Apr 7, 2015
- Telefonaktiebolaget L M Ericsson (Publ)
- Ming Xia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sequence-based link fault localization
- Patent number 9,002,197
- Issue date Apr 7, 2015
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Resilience in an access subnetwork ring
- Patent number 8,929,738
- Issue date Jan 6, 2015
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selectable multiple-wavelength access for optical network units in...
- Patent number 8,855,492
- Issue date Oct 7, 2014
- Telefonaktiebolaget LM Ericsson (publ)
- David Hood
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications network apparatus and line coding method
- Patent number 8,817,589
- Issue date Aug 26, 2014
- Telefonaktiebolaget L M Ericsson (Publ)
- Fabio Cavaliere
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical port discovery in a WDM optical network
- Patent number 8,811,820
- Issue date Aug 19, 2014
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System, laser-on-CMOS chip, and method for setting a wavelength to...
- Patent number 8,687,971
- Issue date Apr 1, 2014
- Telefonaktiebolaget LM Ericsson (publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device, system and method for optical fiber networks
- Patent number 8,616,786
- Issue date Dec 31, 2013
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- G02 - OPTICS
Information Patent Grant
Transmitter disabling device
- Patent number 8,463,139
- Issue date Jun 11, 2013
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for fiber access physical layer unbundling using...
- Patent number 8,442,401
- Issue date May 14, 2013
- Telefonaktiebolaget L M Ericsson (Publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
THERMALLY RESISTANT REMOTE RADIO UNIT
- Publication number 20220244476
- Publication date Aug 4, 2022
- Telefonaktiebolaget LM Ericsson (publ)
- Stefan Dahlfort
- G02 - OPTICS
Information Patent Application
Arrangement in a Mobile Network
- Publication number 20150086209
- Publication date Mar 26, 2015
- TELEFONAKTIEBOLAGET L M ERICSSON (publ)
- Kim Laraqui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTOMATED FAULT LOCALIZATION IN PIPELINES AND ELECTRICAL POWER TRAN...
- Publication number 20140260638
- Publication date Sep 18, 2014
- TELEFONAKTIEBOLAGET L M ERICSSON (publ)
- DAVID HOOD
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR SPLIT SPECTRUM SIGNALLING IN AN OPTICAL NETWORK
- Publication number 20140205296
- Publication date Jul 24, 2014
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Node and Method For Iterative Improvement of Spectral Use
- Publication number 20140193148
- Publication date Jul 10, 2014
- TELEFONAKTIEBOLAGET I. M. ERICSSON (PUBL)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PORT DISCOVERY IN A WDM OPTICAL NETWORK
- Publication number 20140186037
- Publication date Jul 3, 2014
- TELEFONAKTIEBOLAGET L M ERICSSON (publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONFIGURABLE SINGLE-FIBER OR DUAL-FIBER OPTICAL TRANSCEIVER
- Publication number 20140140689
- Publication date May 22, 2014
- TELEFONAKTIEBOLAGET L M ERICSSON (publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SEQUENCE-BASED LINK FAULT LOCALIZATION
- Publication number 20140133844
- Publication date May 15, 2014
- STEFAN DAHLFORT
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TIME-BASED LINK FAULT LOCALIZATION
- Publication number 20140133845
- Publication date May 15, 2014
- STEFAN DAHLFORT
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Service Edge Hub Device and Methods in an Optical Network Node
- Publication number 20140105600
- Publication date Apr 17, 2014
- TELEFONAKTIEBOLAGET L M ERICSSON (publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RESILIENCE IN AN ACCESS SUBNETWORK RING
- Publication number 20130322883
- Publication date Dec 5, 2013
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL-LAYER MULTIPATH PROTECTION FOR OPTICAL NETWORK
- Publication number 20130266305
- Publication date Oct 10, 2013
- Ming Xia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR ROUTING AND SPECTRUM ASSIGNMENT
- Publication number 20130266316
- Publication date Oct 10, 2013
- Ming Xia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK ARCHITECTURE FOR TRANSPORTING WDM TRAFFIC
- Publication number 20130243416
- Publication date Sep 19, 2013
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SELECTABLE MULTIPLE-WAVELENGTH ACCESS FOR OPTICAL NETWORK UNITS IN...
- Publication number 20130183039
- Publication date Jul 18, 2013
- TELEFONAKTIEBOLAGET L M ERICSSON (publ)
- David Hood
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS FOR COMMUNICATING A PLURALITY OF ANTENNA SIGNALS AT DIFFE...
- Publication number 20130089336
- Publication date Apr 11, 2013
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATIONS NETWORK APPARATUS AND LINE CODING METHOD
- Publication number 20130071118
- Publication date Mar 21, 2013
- Fabio CAVALIERE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR FAST WAVELENGTH DIVISION MULTIPLEXING (WDM) PASSIVE OPTI...
- Publication number 20120315040
- Publication date Dec 13, 2012
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OVERHEAD ADJUSTMENT SCHEME FOR PASSIVE OPTICAL NETWORKS
- Publication number 20120230678
- Publication date Sep 13, 2012
- Telefonaktiebolaget LM Ericsson (publ)
- Einar In De Betou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR FIBER ACCESS PHYSICAL LAYER UNBUNDLING USING...
- Publication number 20120201542
- Publication date Aug 9, 2012
- Stefan DAHLFORT
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM, LASER-ON-CMOS CHIP, AND METHOD FOR SETTING A WAVELENGTH TO...
- Publication number 20120195599
- Publication date Aug 2, 2012
- Stefan DAHLFORT
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Apparatus for Fault Discovery in a Passive Optical Netwo...
- Publication number 20120039598
- Publication date Feb 16, 2012
- TELEFONAKTIEBOLAGET L M ERICSSON (publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICES FOR AUTOMATIC TUNING IN WDP-PON
- Publication number 20120008958
- Publication date Jan 12, 2012
- Telefonaktiebolaget LM Ericsson (publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmitter Disabling Device
- Publication number 20110129217
- Publication date Jun 2, 2011
- TELEFONAKTIEBOLAGET L M ERICSSON (publ)
- Stefan Dahlfort
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Device, System and Method for Optical Fiber Networks
- Publication number 20110091153
- Publication date Apr 21, 2011
- Stefan Dahlfort
- G02 - OPTICS

Stefan Dahlfort

Person

Patents Grantslast 30 patents

Thermally resistant remote radio unit

Method and devices for automatic tuning in WDM-PON

Method for split spectrum signalling in an optical network

Service edge hub device and methods in an optical network node

Method for routing and spectrum assignment

Configurable single-fiber or dual-fiber optical transceiver

Node and method for iterative improvement of spectral use

Apparatus for communicating a plurality of antenna signals at diffe...

Time-based link fault localization

Automated fault localization in pipelines and electrical power tran...

Overhead adjustment scheme for passive optical networks

Method and apparatus for fault discovery in a passive optical netwo...

Method for fast wavelength division multiplexing (WDM) passive opti...

Optical-layer multipath protection for optical network

Sequence-based link fault localization

Resilience in an access subnetwork ring

Selectable multiple-wavelength access for optical network units in...

Communications network apparatus and line coding method

Optical port discovery in a WDM optical network

System, laser-on-CMOS chip, and method for setting a wavelength to...

Device, system and method for optical fiber networks

Transmitter disabling device

Method and device for fiber access physical layer unbundling using...

Patents Applicationslast 30 patents

THERMALLY RESISTANT REMOTE RADIO UNIT

Arrangement in a Mobile Network

AUTOMATED FAULT LOCALIZATION IN PIPELINES AND ELECTRICAL POWER TRAN...

METHOD FOR SPLIT SPECTRUM SIGNALLING IN AN OPTICAL NETWORK

Node and Method For Iterative Improvement of Spectral Use

OPTICAL PORT DISCOVERY IN A WDM OPTICAL NETWORK

CONFIGURABLE SINGLE-FIBER OR DUAL-FIBER OPTICAL TRANSCEIVER

SEQUENCE-BASED LINK FAULT LOCALIZATION

TIME-BASED LINK FAULT LOCALIZATION

Service Edge Hub Device and Methods in an Optical Network Node

RESILIENCE IN AN ACCESS SUBNETWORK RING

OPTICAL-LAYER MULTIPATH PROTECTION FOR OPTICAL NETWORK

METHOD FOR ROUTING AND SPECTRUM ASSIGNMENT

OPTICAL NETWORK ARCHITECTURE FOR TRANSPORTING WDM TRAFFIC

SELECTABLE MULTIPLE-WAVELENGTH ACCESS FOR OPTICAL NETWORK UNITS IN...

APPARATUS FOR COMMUNICATING A PLURALITY OF ANTENNA SIGNALS AT DIFFE...

COMMUNICATIONS NETWORK APPARATUS AND LINE CODING METHOD

METHOD FOR FAST WAVELENGTH DIVISION MULTIPLEXING (WDM) PASSIVE OPTI...

OVERHEAD ADJUSTMENT SCHEME FOR PASSIVE OPTICAL NETWORKS

METHOD AND DEVICE FOR FIBER ACCESS PHYSICAL LAYER UNBUNDLING USING...

SYSTEM, LASER-ON-CMOS CHIP, AND METHOD FOR SETTING A WAVELENGTH TO...

Method and Apparatus for Fault Discovery in a Passive Optical Netwo...

METHOD AND DEVICES FOR AUTOMATIC TUNING IN WDP-PON

Transmitter Disabling Device

Device, System and Method for Optical Fiber Networks