High resistivity inner shields for cabinets housing electronic circuitry

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5574249
SERIAL NO

08276741

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ATTORNEY / AGENT: (SPONSORED)

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, CA0

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lindsay, David S Sunnyvale, CA 9 76

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 5274712 High resistivity inner shields for audio cables and circuits 14 1992
 
BICC PUBLIC LIMITED COMPANY DEVONSHIRE HOUSE (1)
* 5006670 Electric power cable 12 1989
 
GENERAL ATOMICS (1)
* 4686127 Pellicular laminate means for shielding structures from electromagnetic radiation 8 1985
 
ELECTRIC POWER RESEARCH INSTITUTE, INC. (1)
* 4487996 Shielded electrical cable 108 1982
 
The Curran Company (1)
* 5286318 Method of forming EMI shielded enclosures, EMI shielded enclosures and EMI shields 14 1991
 
FUJIKURA LTD. (1)
* 4626618 DC electric power cable 99 1985
 
FLAMBEAU AIRMOLD CORPORATION (1)
* 4848566 Antistatic/conductive container 19 1988
 
PRIEST, JAMES (1)
* 5098735 Shielding of houses and buildings from low and high frequency EMF radiation by organic based stabilized nickel conductive coatings 7 1990
 
KABELMETAL ELECTRO GMBH, KABELKAMP 20, 3000 HANNOVER 1, GERMANY (1)
* 4785138 Electric cable for use as phase winding for linear motors 47 1986
 
COOPER AUTOMOTIVE PRODUCTS, INC. (1)
* 4757297 Cable with high frequency suppresion 99 1986
 
MACDERMID ACUMEN, INC. (1)
* 4831210 Shields for electromagnetic radiation 21 1987
 
CHASE MANHATTAN BANK USA, NATIONAL ASSOCIATION (1)
* 4896001 Anti-electric protection 14 1986
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (3)
6455770 Electromagnetic radiation shield for attenuating electromagnetic radiation from an active electronic device 12 2001
* 8246384 Variable capacitance audio cable 2 2009
* 2011/0238,146 RF REJECTING LEAD 29 2011
 
Cardiac Pacemakers, Inc. (36)
8731685 Implantable lead having a variable coil conductor pitch 9 2008
* 2009/0149,933 IMPLANTABLE LEAD HAVING A VARIABLE COIL CONDUCTOR PITCH 43 2008
8244346 Lead with MRI compatible design features 29 2009
8103360 Medical lead coil conductor with spacer element 49 2009
7986999 RF rejecting lead 24 2009
9084883 Thin profile conductor assembly for medical device leads 0 2010
8332050 Medical device lead including a unifilar coil with improved torque transmission capacity and reduced MRI heating 15 2010
8335572 Medical device lead including a flared conductive coil 16 2010
* 2011/0087,299 MEDICAL DEVICE LEAD INCLUDING A FLARED CONDUCTIVE COIL 31 2010
9254380 MRI compatible tachycardia lead 4 2010
* 2011/0093,054 MRI COMPATIBLE TACHYCARDIA LEAD 29 2010
9750944 MRI-conditionally safe medical device lead 0 2010
* 2011/0160,818 MRI-CONDITIONALLY SAFE MEDICAL DEVICE LEAD 23 2010
8798767 MRI conditionally safe lead with multi-layer conductor 9 2010
8391994 MRI conditionally safe lead with low-profile multi-layer conductor for longitudinal expansion 22 2010
* 2011/0160,829 MRI CONDITIONALLY SAFE LEAD WITH MULTI-LAYER CONDUCTOR 34 2010
* 2011/0160,828 MRI CONDITIONALLY SAFE LEAD WITH LOW-PROFILE MULTI-LAYER CONDUCTOR FOR LONGITUDINAL EXPANSION 24 2010
8170688 RF rejecting lead 25 2011
8825181 Lead conductor with pitch and torque control for MRI conditionally safe use 7 2011
8688236 Medical lead coil conductor with spacer element 9 2011
8401671 RF rejecting lead 22 2012
8666508 Lead with MRI compatible design features 13 2012
8666512 Implantable medical device lead including inner coil reverse-wound relative to shocking coil 12 2012
8744600 Medical device lead including a unifilar coil with improved torque transmission capacity and reduced MRI heating 8 2012
8676351 MRI conditionally safe lead with low-profile multi-layer conductor for longitudinal expansion 9 2013
8670840 RF rejecting lead 9 2013
8954168 Implantable device lead including a distal electrode assembly with a coiled component 3 2013
8825179 Implantable medical device lead including a unifilar coiled cable 7 2013
8958889 MRI compatible lead coil 1 2013
8983623 Inductive element for providing MRI compatibility in an implantable medical device lead 5 2013
9050457 MRI conditionally safe lead with low-profile conductor for longitudinal expansion 3 2014
9199077 MRI conditionally safe lead with multi-layer conductor 3 2014
9333344 Implantable device lead including a distal electrode assembly with a coiled component 0 2014
9504821 Construction of an MRI-safe tachycardia lead 0 2015
9504822 Inductive element for providing MRI compatibility in an implantable medical device lead 1 2015
9682231 Construction of an MRI-safe tachycardia lead 0 2016
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (1)
* 6686543 Radio frequency suppressing cable 2 2002
 
Daido Tokushuko Kabushiki Kaisha (1)
* 6225556 Magnetic shield sheet and method for manufacturing thereof, and cable using the sheet 13 1997
* Cited By Examiner