US Patent No: 7,176,786

Number of patents in Portfolio can not be more than 2000

Method of isolating data in a power line communications network

ALSO PUBLISHED AS: 20050007241

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention provides isolation between a power line local area network and another network such as a power line wide area network. In one embodiment of the present invention, a filter device is installed on the power line supplying power to a structure in which a power line local area network is present. The example filter device may comprise a controller configured to receive a control signal and to cause a switch to activate or deactivate a low pass filter for attenuating the data signals.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CURRENT TECHNOLOGIES, LLCGERMANTOWN, MD39

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Berkman, William H New York, NY 59 726
Kline, Paul A Gaithersburg, MD 68 1530

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
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2006/0034,330 Bandwidth management of virtual networks on a shared network 33 2005
 
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LUGH NETWORKS, INC. (1)
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AMBIENT CORPORATION (2)
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2004/0085,172 Filter for segmenting power lines for communications 4 2003
 
NOR.WEB DPL LIMITED (1)
2002/0075,097 FILTER 6 1999
 
Telkonet Communications, Inc. (1)
6,975,212 Method and apparatus for attaching power line communications to customer premises 13 2002
 
BROADBAND 21 LIMITED (1)
2002/0186,699 System and method for providing high-speed communications access over an electrical network 10 2001
 
TELKONET, INC. (2)
2004/0233,928 Network topology and packet routing method using low voltage power wiring 22 2003
2004/0227,623 Network topology and packet routing method using low voltage power wiring 11 2004
 
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THOMSON INC. (1)
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RAKUTEN, INC. (1)
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6,297,729 Method and apparatus for securing communications along ac power lines 48 1999
 
CONEXANT SYSTEMS, INC. (1)
* 6,373,377 Power supply with digital data coupling for power-line networking 74 2000
 
ADVANCED MICRO DEVICES, INC. (1)
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HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
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ADVANCED POWERLINE TECHNOLOGIES, INC. (1)
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OneLine AG (1)
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VENDOME GENNARO (1)
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MITSUBISHI DENKI KABUSHIKI KAISHA (1)
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NORWEB PLC (1)
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CURRENT TECHNOLOGIES, LLC (1)
6,977,578 Method of isolating data in a power line communications network 47 2001
 
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AMPERION, INC. (4)
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TDK CORPORATION (1)
6,667,685 Power line noise filter 34 2001
 
TELEAUTOTOGRAPH CORPORATION (1)
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FELLER AG., BERGSTRASSE 70, CH-8810 HORGEN, (1)
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Echelon Systems Corporation (1)
5,257,006 Method and apparatus for power line communications 159 1990
 
Eva Cogenics Inc Euaday Division (1)
5,870,016 Power line carrier data transmission systems having signal conditioning for the carrier data signal 89 1997
 
CURRENT COMMUNICATIONS INTERNATIONAL HOLDING GMBH (2)
6,952,159 Coupling device 12 2000
6,771,775 Arrangement for communicating messages via a low-voltage electricity supply system and adapter 14 2001
 
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Consultant's Choice Inc. (1)
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CONVERSANT INTELLECTUAL PROPERTY MANAGEMENT INC. (2)
6,842,459 Network combining wired and non-wired segments 115 2000
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GENERAL ELECTRIC COMPANY (1)
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L.L. CULMAT, L.P. (1)
6,335,672 Holder for ferrite noise suppressor 43 1999
 
CAP TECHNOLOGIES, LLC (1)
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ROCKSTAR CONSORTIUM US LP (2)
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6,590,493 System, device, and method for isolating signaling environments in a power line communication system 44 2000
 
ADC TELECOMMUNICATIONS, INC. (1)
6,151,480 System and method for distributing RF signals over power lines within a substantially closed environment 99 1997
 
Phoenix Corporation (1)
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Comcircuits (1)
6,417,762 Power line communication system using anti-resonance isolation and virtual earth ground signaling 72 2001
 
PHONEX HOLDINGS L.P. (1)
5,066,939 Method and means of operating a power line carrier communication system 139 1989
 
ABB POWER T&D COMPANY, INC., A DE CORP. (1)
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MATSUSHITA ELECTRIC WORKS, LTD. (1)
* 4,599,598 Data transmission system utilizing power line 85 1985
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
DYNAMIC RATINGS, INC. (1)
7,333,003 Power line coupler adapted for use with multiple electric power meters 2 2007
 
TEXAS INSTRUMENTS INCORPORATED (1)
* 7,822,890 Bidirectional data repeater switch 1 2008
 
CURRENT TECHNOLOGIES, LLC (1)
7,714,682 Power line data signal attenuation device and method 1 2007
 
Imaging Systems Technology (1)
* 8,536,985 Data isolation 0 2005
 
CONVERSANT INTELLECTUAL PROPERTY MANAGEMENT INC. (16)
7,876,767 Network combining wired and non-wired segments 3 2005
8,885,659 Local area network of serial intelligent cells 0 2005
7,715,534 Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets 4 2006
7,978,726 Local area network of serial intelligent cells 3 2006
8,908,673 Local area network of serial intelligent cells 0 2007
7,873,058 Outlet with analog signal adapter, a method for use thereof and a network using said outlet 7 2008
7,990,908 Addressable outlet, and a network using the same 6 2008
7,881,462 Outlet add-on module 4 2008
7,852,874 Local area network of serial intelligent cells 9 2008
8,363,797 Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets 3 2010
8,873,586 Network combining wired and non-wired segments 0 2010
8,867,506 Network combining wired and non-wired segments 0 2010
8,848,725 Network combining wired and non-wired segments 0 2012
8,867,523 Local area network of serial intelligent cells 0 2012
8,855,277 Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets 0 2013
8,885,660 Local area network of serial intelligent cells 0 2013
* Cited By Examiner

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11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 13, 2018
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