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Class Information
Number: 361/119
Name: Electricity: electrical systems and devices > Safety and protection of systems and devices > High voltage dissipation (e.g., lightning arrester) > Surge prevention (e.g., choke coil) > In communication systems
Description: Subject matter specifically for the protection of communication systems (e.g., radio, T.V., etc.).










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
8687329 Anti-lightning protection for telephone connection Apr. 1, 2014
8649149 Dual level surge protector circuit for telecommunication line Feb. 11, 2014
8634176 Overvoltage protector Jan. 21, 2014
8625247 Protective circuit for the input-side protection of an electronic device operating in the maximum frequency range Jan. 7, 2014
8619402 Data port transient protection apparatus and methods Dec. 31, 2013
8599528 DC and RF pass broadband surge suppressor Dec. 3, 2013
8582273 Surge absorbing circuit and electric device using the same Nov. 12, 2013
8576532 Power over ethernet transient voltage suppression patch panel Nov. 5, 2013
8570701 Rackmount I/O signal protector assembly for surge protection Oct. 29, 2013
8553386 Surge suppression device having one or more rings Oct. 8, 2013
8531805 Gated diode having at least one lightly-doped drain (LDD) implant blocked and circuits and methods employing same Sep. 10, 2013
8488747 Modified protector module with an integrated splitter Jul. 16, 2013
8488290 Protective device Jul. 16, 2013
8462479 Surge protection device with improved response time Jun. 11, 2013
8456791 RF coaxial surge protectors with non-linear protection devices Jun. 4, 2013
8456789 Tunable coaxial surge arrestor Jun. 4, 2013
8451576 SCR circuit for protecting central office end of telephone line May. 28, 2013
8446704 Timing device without neutral line May. 21, 2013
8441769 Power supplies May. 14, 2013
8437114 ESD Protection Device May. 7, 2013
8428277 Clipping protection in fixed-width audio mixing Apr. 23, 2013
8422190 Composite electronic device, manufacturing method thereof, and connection structure of composite electronic device Apr. 16, 2013
8411848 Telephone interface circuit for providing over-current and over-voltage protection Apr. 2, 2013
8390976 Lightning proof device for filter Mar. 5, 2013
8363844 Contextual audio switching for a USB controlled audio device Jan. 29, 2013
8358492 Surge protection systems and methods for ethernet communication equipment in outside plant environments Jan. 22, 2013
8358491 Over-voltage protection device Jan. 22, 2013
8351176 Intrinsically safe DSL circuit Jan. 8, 2013
8345401 Semiconductor device Jan. 1, 2013
8331073 Electromagnetic pulse protection circuit having wave filtering capability Dec. 11, 2012
8331108 Integrated power inserter Dec. 11, 2012
8320095 Transformer module with multiple protections Nov. 27, 2012
8320094 Surge protection module Nov. 27, 2012
8320093 Composite electronic device Nov. 27, 2012
8295494 Enhancing audio with remixing capability Oct. 23, 2012
8274774 Intrinsically safe communications circuit Sep. 25, 2012
8270134 Electrical circuit with incendive arc prevention Sep. 18, 2012
8259430 Surge protection device for isolating premise devices Sep. 4, 2012
8242901 ASI network for explosion-hazard areas Aug. 14, 2012
8243412 Surge protection systems and methods for outside plant ethernet Aug. 14, 2012
8238841 Wireless transceiver chip and calibration method thereof Aug. 7, 2012
8217750 3-electrode surge protective device Jul. 10, 2012
8213141 Power over Ethernet electrostatic discharge protection circuit Jul. 3, 2012
8179655 Surge protection apparatus and methods May. 15, 2012
8179656 Surge protection circuit for passing DC and RF signals May. 15, 2012
8174813 Protection patch panel May. 8, 2012
8174132 Folded surface capacitor in-line assembly May. 8, 2012
8169145 Spark-discharge gap for power system protection device May. 1, 2012
8164877 Coaxial in-line assembly Apr. 24, 2012
8164878 Power distribution unit Apr. 24, 2012

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