US Patent No: 5,574,249

Number of patents in Portfolio can not be more than 2000

High resistivity inner shields for cabinets housing electronic circuitry

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Importance

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Abstract

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In one embodiment of a cabinet for housing electronic circuitry, a high resistivity inner shield surrounds and is insulated from the enclosed electronic circuitry within the cabinet. The inner shield is surrounded by, and optionally insulated from, an outer, highly conductive shield. This approach may be thought of as shielding the enclosed electronic circuitry from the outside highly conductive metal shield. The inner shield attenuates the effects of fluctuating voltage gradients in the outer shield on the enclosed electronic circuitry.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
LINDSAY AUDIOPHILE INC.SUNNYVALE, CA1

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lindsay, David S Christiansburg, VA 10 58

Cited Art Landscape

Patent Info (Count) # Cites Year
 
BICC PUBLIC LIMITED COMPANY DEVONSHIRE HOUSE (1)
5,006,670 Electric power cable 10 1989
 
BURR-BROWN RESEARCH CORPORATION (1)
4,218,578 RF Shield for an electronic component 39 1978
 
CHASE MANHATTAN BANK, THE (1)
4,896,001 Anti-electric protection 13 1986
 
COOPER AUTOMOTIVE PRODUCTS, INC. (1)
4,757,297 Cable with high frequency suppresion 60 1986
 
Electric Power Research Institute, Inc. (1)
4,487,996 Shielded electrical cable 104 1982
 
FLAMBEAU AIRMOLD CORPORATION (1)
4,848,566 Antistatic/conductive container 19 1988
 
FUJIKURA LTD. (1)
4,626,618 DC electric power cable 98 1985
 
GENERAL ATOMICS (1)
4,686,127 Pellicular laminate means for shielding structures from electromagnetic radiation 8 1985
 
Kabelmetal Electro GmbH (1)
4,785,138 Electric cable for use as phase winding for linear motors 46 1986
 
MACDERMID ACUMEN, INC. (1)
4,831,210 Shields for electromagnetic radiation 20 1987
 
PRIEST, JAMES (1)
5,098,735 Shielding of houses and buildings from low and high frequency EMF radiation by organic based stabilized nickel conductive coatings 7 1990
 
The Curran Company (1)
5,286,318 Method of forming EMI shielded enclosures, EMI shielded enclosures and EMI shields 13 1991
 
Other [Check patent profile for assignment information] (1)
5,274,712 High resistivity inner shields for audio cables and circuits 14 1992

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
CARDIAC PACEMAKERS, INC. (18)
8,731,685 Implantable lead having a variable coil conductor pitch 0 2008
8,244,346 Lead with MRI compatible design features 16 2009
8,103,360 Medical lead coil conductor with spacer element 15 2009
7,986,999 RF rejecting lead 12 2009
8,332,050 Medical device lead including a unifilar coil with improved torque transmission capacity and reduced MRI heating 7 2010
8,335,572 Medical device lead including a flared conductive coil 7 2010
8,798,767 MRI conditionally safe lead with multi-layer conductor 0 2010
8,391,994 MRI conditionally safe lead with low-profile multi-layer conductor for longitudinal expansion 10 2010
8,170,688 RF rejecting lead 14 2011
8,825,181 Lead conductor with pitch and torque control for MRI conditionally safe use 0 2011
8,688,236 Medical lead coil conductor with spacer element 0 2011
8,401,671 RF rejecting lead 10 2012
8,666,508 Lead with MRI compatible design features 1 2012
8,666,512 Implantable medical device lead including inner coil reverse-wound relative to shocking coil 1 2012
8,744,600 Medical device lead including a unifilar coil with improved torque transmission capacity and reduced MRI heating 0 2012
8,676,351 MRI conditionally safe lead with low-profile multi-layer conductor for longitudinal expansion 0 2013
8,670,840 RF rejecting lead 0 2013
8,825,179 Implantable medical device lead including a unifilar coiled cable 0 2013
 
DAIDO TOKUSHUKO KABUSHIKI KAISHA (1)
6,225,556 Magnetic shield sheet and method for manufacturing thereof, and cable using the sheet 11 1997
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (1)
6,686,543 Radio frequency suppressing cable 2 2002
 
Other [Check patent profile for assignment information] (2)
6,455,770 Electromagnetic radiation shield for attenuating electromagnetic radiation from an active electronic device 11 2001
8,246,384 Variable capacitance audio cable 0 2009