Cable with high frequency suppresion

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4757297
SERIAL NO

06932184

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An ignition cable which applies ignition current from a power source to a spark plug of a spark ignited internal combustion engine while attenuating radio frequency currents. An inner elongated electrically conductive metallic core made of a high permeability material has an electrically semiconductive layer disposed thereabout and in intimate contact therewith. Insulation surrounds the semiconductive layer. Direct current is effectively and preferentially conducted by the inner core to provide ignition current, while high frequency currents are crowded by the skin effect into the semiconductive layer, where they are damped by the resistance thereof.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
COOPER AUTOMOTIVE PRODUCTS, INC.HOUSTON, TX23

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frawley, Lanny J St. Charles, IL 5 114

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Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
PPC BROADBAND, INC. (66)
7828595 Connector having conductive member and method of use thereof 108 2009
7845976 Connector having conductive member and method of use thereof 107 2009
7833053 Connector having conductive member and method of use thereof 101 2009
8029315 Coaxial cable connector with improved physical and RF sealing 89 2009
8287320 Coaxial cable connector having electrical continuity member 59 2009
7892005 Click-tight coaxial cable continuity connector 119 2010
8152551 Port seizing cable connector nut and assembly 46 2010
8079860 Cable connector having threaded locking collet and nut 82 2010
8113879 One-piece compression connector body for coaxial cable connector 33 2010
8313345 Coaxial cable continuity connector 58 2010
8167636 Connector having a continuity member 71 2010
8323053 Connector having a constant contact nut 43 2010
8167635 Dielectric sealing member and method of use thereof 65 2010
8167646 Connector having electrical continuity about an inner dielectric and method of use thereof 44 2010
8075338 Connector having a constant contact post 89 2010
7950958 Connector having conductive member and method of use thereof 101 2010
8414322 Push-on CATV port terminator 19 2010
8337229 Connector having a nut-body continuity element and method of use thereof 57 2011
8398421 Connector having a dielectric seal and method of use thereof 41 2011
8192237 Coaxial cable connector having electrical continuity member 103 2011
8444445 Coaxial cable connector having electrical continuity member 23 2011
8342879 Coaxial cable connector 11 2011
8366481 Continuity maintaining biasing member 52 2011
8388377 Slide actuated coaxial cable connector 7 2011
8348697 Coaxial cable connector having slotted post member 23 2011
8157589 Connector having a conductively coated member and method of use thereof 44 2011
8591244 Cable connector 26 2011
8465322 Coaxial cable connector 28 2011
8506325 Cable connector having a biasing element 50 2011
9312611 Connector having a conductively coated member and method of use thereof 1 2012
9172155 Connector having a conductively coated member and method of use thereof 0 2012
8313353 Coaxial cable connector having electrical continuity member 57 2012
8573996 Coaxial cable connector having electrical continuity member 4 2012
8382517 Dielectric sealing member and method of use thereof 16 2012
9203167 Coaxial cable connector with conductive seal 6 2012
8323060 Coaxial cable connector having electrical continuity member 61 2012
8647136 Coaxial cable connector having electrical continuity member 27 2012
8597041 Coaxial cable connector having electrical continuity member 17 2012
8562366 Coaxial cable connector having electrical continuity member 17 2012
8506326 Coaxial cable continuity connector 1 2012
9147955 Continuity providing port 6 2012
8920192 Connector having a coupler-body continuity member 26 2012
8529279 Connector having a nut-body continuity element and method of use thereof 48 2012
8485845 Continuity maintaining biasing member 36 2012
8480430 Continuity maintaining biasing member 41 2012
8480431 Continuity maintaining biasing member 37 2012
8475205 Continuity maintaining biasing member 37 2012
8469740 Continuity maintaining biasing member 36 2012
9017101 Continuity maintaining biasing member 19 2013
9153917 Coaxial cable connector 2 2013
8550835 Connector having a nut-body continuity element and method of use thereof 30 2013
9608345 Continuity maintaining biasing member 0 2013
8753147 Connector having a coupling member for locking onto a port and maintaining electrical continuity 9 2013
8801448 Coaxial cable connector having electrical continuity structure 10 2013
8920182 Connector having a coupler-body continuity member 2 2013
8915754 Connector having a coupler-body continuity member 2 2013
8858251 Connector having a coupler-body continuity member 26 2013
9496661 Coaxial cable connector having electrical continuity member 0 2013
9419389 Coaxial cable connector having electrical continuity member 0 2013
9660398 Coaxial cable connector having electrical continuity member 0 2013
9570845 Connector having a continuity member operable in a radial direction 0 2014
9660360 Connector producing a biasing force 0 2014
9595776 Connector producing a biasing force 0 2014
9130281 Post assembly for coaxial cable connectors 7 2014
9537232 Continuity providing port 0 2015
9711917 Band spring continuity member for coaxial cable connector 0 2015
 
Other [Check patent profile for assignment information] (2)
* 5274712 High resistivity inner shields for audio cables and circuits 14 1992
* 2005/0178,578 High voltage cable 5 2005
 
GENERAL ELECTRIC COMPANY (1)
* 5166477 Cable and termination for high voltage and high frequency applications 129 1991
 
HISCOCK & BARCLAY, LLP (1)
8758050 Connector having a coupling member for locking onto a port and maintaining electrical continuity 18 2011
 
SONY/TEKTRONIX CORPORATION (1)
* 5596309 Reduced inductance coaxial resistor 3 1994
 
CORNING OPTICAL COMMUNICATIONS LLC (1)
9548557 Connector assemblies and methods of manufacture 0 2013
 
Leda Logarithmic Electrical Devices for Automation S.r.l. (2)
* 4876419 Two-dimensional electric conductor designed to function as an electric switch 28 1988
* 4876420 Continuous flexible electric conductor capable of functioning as an electric switch 17 1988
 
CORNING OPTICAL COMMUNICATIONS RF LLC (26)
8272893 Integrally conductive and shielded coaxial cable connector 33 2010
9166348 Coaxial connector with inhibited ingress and improved grounding 19 2011
8172612 Electrical connector with grounding member 98 2011
8888526 Coaxial cable connector with radio frequency interference and grounding shield 38 2011
8287310 Coaxial connector with dual-grip nut 21 2011
9071019 Push-on cable connector with a coupler and retention and release mechanism 10 2011
8690603 Electrical connector with grounding member 32 2012
9190744 Coaxial cable connector with radio frequency interference and grounding shield 6 2012
9407016 Coaxial cable connector with integral continuity contacting portion 6 2012
9287659 Coaxial cable connector with integral RFI protection 9 2012
9136654 Quick mount connector for a coaxial cable 6 2013
9147963 Hardline coaxial connector with a locking ferrule 5 2013
9153911 Coaxial cable continuity connector 19 2013
9172154 Coaxial cable connector with integral RFI protection 18 2013
9048599 Coaxial cable connector having a gripping member with a notch and disposed inside a shell 19 2013
9590287 Surge protected coaxial termination 0 2015
9484645 Quick mount connector for a coaxial cable 0 2015
9762008 Coaxial cable connector with integral RFI protection 0 2015
9905959 Coaxial connector with inhibited ingress and improved grounding 0 2015
9548572 Coaxial cable connector having a coupler and a post with a contacting portion and a shoulder 0 2015
9525220 Coaxial cable connector 0 2015
9722363 Coaxial cable connector with integral RFI protection 1 2016
9859631 Coaxial cable connector with integral radio frequency interference and grounding shield 0 2016
9768565 Quick mount connector for a coaxial cable 0 2016
9882320 Coaxial cable connector 0 2016
9912105 Coaxial cable connector with integral RFI protection 0 2017
 
BRP US INC. (1)
* 6481426 Low signature EMI/RFI engine 0 2000
 
KONGSBERG AUTOMOTIVE AB (1)
* 2003/0000,942 Device for heating a component in a vehicle 0 2002
 
Specialty Cable Corp. (1)
* 5206485 Low electromagnetic and electrostatic field radiating heater cable 15 1990
 
BELDEN INC. (1)
8469739 Cable connector with biasing element 31 2012
 
Lindsay Audiophile Inc. (1)
* 5574249 High resistivity inner shields for cabinets housing electronic circuitry 35 1994
* Cited By Examiner