Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8106721 | Multilayer complementary-conducting-strip transmission line structure with plural interlaced signal lines and mesh ground planes A multilayer complementary-conducting-strip transmission line (CCS TL) structure is disclosed herein. The multilayer CCS TL structure includes a substrate, and n signal transmission lines being parallel and interlacing with n-1 mesh ground plane(s), therein a plural... | 01/31/2012 |
| 8058943 | Flat uniform transmission line having electromagnetic shielding function Disclosed herein is a flat uniform transmission line having an electromagnetic shielding function. The flat uniform transmission line includes a strip transmission line, an insulating layer, and electromagnetic shielding layers. The strip transmission line is formed... | 11/15/2011 |
| 8054142 | Plural rectangular waveguides having longer cross-sectional lengths based on shorter waveguide line lengths Long-side length a1 to a5 of rectangular waveguide tubes in a long-side direction (magnetic field direction) become greater, the shorter a line length is (the closer a rectangular waveguide tube is to the center). ai and Li are set such that line lengt... | 11/08/2011 |
| 8049573 | Bidirectional multiplexed RF isolator An isolator provides bidirectional data transfer for a plurality of communications channels. First and second dies are located on first and second sides of a voltage isolation barrier and have a first and second plurality of digital data input/output pins associated... | 11/01/2011 |
| 8040198 | Printed wiring board having wire grounding conductors with distances that are 1/n the width of the signal lines A microstrip line for a printed wiring board such as a flexible printed wiring board which includes a sandwiched thin insulating layer and cannot use a solid grounding conductor, the microstrip line being such that shape of grounding conductors relative to signal li... | 10/18/2011 |
| 7969255 | Printed circuit board having signal line isolation patterns for decreasing WWAN noise A printed circuit board (PCB) capable of decreasing wireless wide area network (WWAN) noise generated due to internal signal interference occurring in the PCB is disclosed. The PCB printed circuit board includes a first layer, a second layer, and at least one insula... | 06/28/2011 |
| 7961062 | Aggressor/victim transmission line pair having spaced time delay modules for providing cross-talk reduction A pair of signal transmission lines includes an aggressor line and a victim line parallel to the aggressor line. A plurality of time delay modules is linked in the aggressor line. A plurality of time delay modules is linked in the victim line. A total delay time of ... | 06/14/2011 |
| 7928814 | Apparatus and method for signal level control A set top box is described including multiple tuners and an apparatus and method for controlling signal level. The apparatus includes a signal splitter for splitting signal power of a signal between an input and at least two outputs, a controller coupled to an outpu... | 04/19/2011 |
| 7911287 | Multi-phase layout structure and method The present invention provides a multi-phase layout structure and method. The layout structure comprises: a first layout layer; a second layout layer substantially parallel to the first layout layer; a plurality of traces, each transmitting a signal, and the plurali... | 03/22/2011 |
| 7911288 | Non-uniform transmission line for reducing cross-talk from an agressor transmission line To reduce cross-talk, an integrated circuit may include a uniform signal trace for a first signal; and a pair of non-uniform signal traces forming a differential pair for a differential signal. The pair of non-uniform signal traces near the uniform signal trace.... | 03/22/2011 |
| 7898355 | Flat uniform transmission line having electromagnetic shielding function Disclosed herein is a flat uniform transmission line having an electromagnetic shielding function. The flat uniform transmission line includes a strip transmission line, an insulating layer, and electromagnetic shielding layers. The strip transmission line is formed... | 03/01/2011 |
| 7880555 | Interconnection system with a dielectric system having holes therein that run uninterrupted through the dielectric system Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of signal line, dielectric system with open trench or slot filled up with air or lower dielectric loss material, and the ground plane. The... | 02/01/2011 |
| 7880556 | Interconnection system with a dielectric system having holes therein that run uninterrupted through the dielectric system Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of signal line, dielectric system with open trench or slot filled up with air or lower dielectric loss material, and the ground plane. The... | 02/01/2011 |
| 7859356 | Transmission line system having high common mode impedance Systems having three coupled transmission lines designed in such a way that any two of which taken together can be used as a differential transmission line with a roughly equal differential mode characteristic impedance while achieving high level of common mode char... | 12/28/2010 |
| 7852169 | High speed interconnection system having a dielectric system with polygonal arrays of holes therein Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of signal line, dielectric system with open trench or slot filled up with air or lower dielectric loss material, and the ground plane. The... | 12/14/2010 |
| 7830221 | Coupling cancellation scheme Methods and apparatus are disclosed, such as those involving an interconnection layout for an integrated circuit (IC). One such layout includes a plurality of differential pairs of lines. Each differential pair has two lines including one or more parallel portions e... | 11/09/2010 |
| 7755445 | Multi-layered high-speed printed circuit boards comprised of stacked dielectric systems High speed printed circuit boards (PCBs) are disclosed comprising a dielectrics systems with the back-side trenches, prepregs, signal lines and ground-plans, wherein the signal line and ground-plan are located on the dielectrics. Using of the open trenches in the su... | 07/13/2010 |
| 7719379 | High speed electronics interconnect having a dielectric system with air holes of varying diameters and spans Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of signal line, dielectric system with open trench or slot filled up with air or lower dielectric loss material, and the ground plane. The... | 05/18/2010 |
| 7719378 | Flexible interconnect cable for an electronic assembly A high speed flexible interconnect cable for an electronic assembly includes a number of conductive layers and a number of dielectric layers. Conductive signal traces, located on the conductive layers, combine with the dielectric layers to form one or more high spee... | 05/18/2010 |
| 7705690 | Serpentine guard trace for reducing crosstalk of micro-strip line on printed circuit board A serpentine guard trace for reducing far-end crosstalk of a micro strip transmission line is provided. The serpentine guard trace reduces receiving-end crosstalk caused by an electromagnetic interference of a signal of a nearby transmission line when transmitting a... | 04/27/2010 |
| 7692508 | Spring loaded microwave interconnector A spring loaded microwave interconnector (SLMI). The SLMI includes a waveguide probe head having a first side and opposite thereto a second side, the sides transverse to a central axis. A spring loaded coax central conductor coupled to the probe head first side and ... | 04/06/2010 |
| 7659790 | High speed signal transmission line having reduced thickness regions Apparatus and associated systems and methods may include one or more features for high speed transmission line structures that may substantially reduce signal degradation due to effects, such as dielectric loss, parasitic capacitance, cross-talk, and/or reflections.... | 02/09/2010 |
| 7659791 | Double comb guard trace pattern for reducing the far-end cross-talk and printed circuit board including the pattern Provided is a guard trace pattern reducing far-end crosstalk and a printed circuit board having the guard trace pattern. The guard trace pattern includes a first guard trace pattern parallel with two signal lines and a plurality of second guard trace patterns perpen... | 02/09/2010 |
| 7642878 | Plural signal transmission line circuits having a reference plane with separation slots therein corresponding to the plural signal transmission lines A signal transmission circuit and method thereof are provided. The signal transmission circuit may include a plurality of signal transmission lines, each of the plurality of signal transmission lines configured to transfer data via signal currents and a reference tr... | 01/05/2010 |
| 7504904 | Printed-circuit impedance control using skewed reference mesh A printed circuit laminate is provided comprising at least one conductor trace for carrying forward electrical signals in a first direction of signal propagation. The printed circuit laminate also comprises a mesh reference plane, spaced from the at least one conduc... | 03/17/2009 |
| 7439821 | DC to DC transmission system A DC to DC transmission system includes at least three conductors between a source and a sink, a first switch which alternately connects each conductor to the source, a second switch which alternately connects each conductor to the sink. The switches are synchronize... | 10/21/2008 |
| 7436267 | Microstrip line dielectric overlay A printed circuit board has a dielectric constant different from the dielectric constant of free space, with at least two microstrip lines routed adjacent to one another on a surface of the printed circuit board. A dielectric coating is applied to at least one of th... | 10/14/2008 |
| 7432776 | Dielectric-filled transmission lines A printed circuit board transmission line has an outer conductive wall surrounding an inner dielectric core. The transmission line may be disposed inside a grounded shielding to provide a form of coaxial conductor that mitigates cross talk from adjacent transmission... | 10/07/2008 |
| 7432774 | Microstrip line dielectric overlay A printed circuit board has a dielectric constant different from the dielectric constant of free space, with at least two microstrip lines routed adjacent to one another on a surface of the printed circuit board. A dielectric coating is applied to at least one of th... | 10/07/2008 |
| 7432775 | High speed electronics interconnect having a dielectric system with cylindrical holes therein Fundamental interconnect systems for connecting high-speed electronics elements are provided. The interconnect systems consists of the signal line, dielectric system with opened trench or slot filled up with the air or lower dielectric loss material, and the ground ... | 10/07/2008 |
| 7405634 | Method for altering the delay properties of a transmission line using compensation tabs An improved method and apparatus for altering the effective electrical length of trace on a circuit board. In the present invention small tabs of etch are routed perpendicular to the trace in the unused areas between adjacent traces. In an embodiment of the inventio... | 07/29/2008 |
| 7397320 | Non-uniform transmission line for reducing cross-talk from an aggressor transmission line A non-uniform transmission line, including at least a first section with length L1, uniform width W1 and thickness h1, and a second section with length L2, uniform width W2 and thickness h2, joined together to form a composi... | 07/08/2008 |
| 7378919 | Planar microwave line having microstrip conductors with a directional change region including a gap having periodic foldings A planar microwave line is provided, having a dielectric substrate and a planar arrangement of a first microstrip conductor and at least one additional microstrip conductor, in which a gap between the first microstrip conductor and the additional microstrip conducto... | 05/27/2008 |
| 7372144 | High speed electronics interconnect and method of manufacture Fundamental interconnect systems for connecting high-speed electronics elements are provided. Interconnect system has the means, which could reduce the microwave loss by reducing the effective dielectric loss and dielectric constant of the interconnect system, and i... | 05/13/2008 |
| 7373528 | Increased power for power over Ethernet applications According to one embodiment of the invention, a method for supplying power over Ethernet includes determining whether a first port of power sourcing equipment is supplying current to a power over Ethernet device in a predetermined current range. The method also incl... | 05/13/2008 |
| 7366297 | Method and system for converting alternating current to ethernet in-line power According to one embodiment, a method for converting alternating current voltage signals to Ethernet in-line power includes converting an alternating current voltage signal to an approximate direct current voltage signal, adding at least one odd harmonic of the appr... | 04/29/2008 |
| 7362130 | Method and device for transmission with reduced crosstalk The invention relates to a method and a device for transmission with reduced crosstalk in interconnections used for sending a plurality of signals, such as the interconnections made with flat multiconductor cables, or with the tracks of a printed circuit board, or i... | 04/22/2008 |
| 7355125 | Printed circuit board and chip module The present invention relates to computer hardware design and in particular to a printed circuit board comprising wiring dedicated to supply electric board components such as integrated circuits with at least three different reference planes. In order to provide a p... | 04/08/2008 |
| 7352257 | Flexible print cable having alternating signal and ground conductors and connector for the same A flexible print cable includes signal lines and ground lines. The signal lines and the ground lines are disposed alternately on each of an upper surface and an under surface of a film. The positions of the signal lines on the upper surface correspond to the positio... | 04/01/2008 |
| 7351917 | Vents with signal image for signal return path A method, structure, and method of design relating an electrical structure that includes a metal voltage plane laminated to a dielectric substrate. A determination is made as to where to place an opening for venting gases generated during fabrication of the dielectr... | 04/01/2008 |
