Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 8106810 | Millimeter wave filters An electromagnetic radiation filter uses a plurality of dipole antennas to mitigate the transmission of electromagnetic radiation. The dipole antennas can form one or more arrays that scatter electromagnetic radiation. Examples of application include mitigating the ... | 01/31/2012 |
| 8072365 | Magnetic crystal for electromagnetic wave absorbing material and electromagnetic wave absorber Disclosed is a magnetic crystal for electromagnetic wave absorbing materials, having a structure of ε-MxFe2-xO3 with 0 | 12/06/2011 |
| 8031104 | Microwave absorber, especially for high temperature applications A microwave absorber, especially for high temperature applications, has at least one resistive sheet and at least one dielectric layer. The resistive sheet has a material of construction that is a MAX phase material. ... | 10/04/2011 |
| 8013776 | Radar camouflage fabric A radar camouflage fabric comprising a base fabric layer and a conductive garnish fabric layer attached to the base fabric layer. The conductive garnish fabric layer comprises a conductive polymer coating and a plurality of holes. The radar camouflage fabric has an ... | 09/06/2011 |
| 8013775 | Radio frequency absorber An exemplary embodiment of the present invention comprises a radio frequency absorber that is operative for absorbing electromagnetic energy, scattering electromagnetic signals, and/or attenuating electromagnetic signals. In accordance with certain aspects of the in... | 09/06/2011 |
| 8013777 | Electromagnetic wave absorber using resistive material An electromagnetic wave absorber includes a ground layer made of a metal conductor, a dielectric layer formed on the ground layer, and a unit cell pattern made of a resistive material, and formed on the dielectric layer. The unit cell pattern includes a fundamental ... | 09/06/2011 |
| 7948424 | Radio wave absorber and producing method thereof In order to provide a radio wave absorber that can be produced easily and has excellent radio wave absorption characteristics, a conductive surface 2 of a conductive paint 6 is formed on one surface 1a of a mat-shaped inorganic fiber bulk... | 05/24/2011 |
| 7864095 | Wave absorber and manufacturing method of wave absorber The problem of the present invention is to offer a wave absorber that has reflection attenuation capability sufficient to enable prevention of communication disturbances due to reflection and the like of EM waves, that enables greater thinness and lighter weight, an... | 01/04/2011 |
| 7834799 | System and method for fabricating composite laminate structures with co-laminated radar absorbing material Various embodiments provide systems and methods for fabricating composite laminate structures with co-laminated radar absorbing material. An example embodiment includes providing a component part fabricated from composite laminate and having an inside surface and an... | 11/16/2010 |
| 7777664 | Wave absorber A wave absorber of the present invention includes a sequentially laminated structure including an conductor layer (11) made of a conductive material; a first dielectric layer (polycarbonate substrate (12) and bismaleimide-triazine substrate (13)... | 08/17/2010 |
| 7688246 | Radio wave absorber, electromagnetic field measurement system and radiated immunity system A radio wave absorber for use in an electromagnetic field probe that measures an electromagnetic field by means of an antenna section provided therewith, the radio wave absorber including: a first end section; a second end section that is located at a position oppos... | 03/30/2010 |
| 7642948 | Reflective layer A reflective layer for attenuating electromagnetic radiation, the layer comprising at least one reflective component, the latter being selected from the group containing the following substances: carbon particles or fibers, in particular carbon black and/or graphite... | 01/05/2010 |
| 7589661 | Radio wave absorber A radio wave absorber that can be bonded securely to a flexible cable or a flexible printed circuit board eliminates the need for a release film. A radio wave absorber comprising a thermosetting adhesive sheet 1 that is cured into a flexible material, and a S... | 09/15/2009 |
| 7551117 | All-weather radio wave absorber having reflector and object into which such absorber is integrated The present invention provides an all-weather radio wave absorber having reflector capable of smoothly attenuating harmful microwave or millimeter wave from 400 MHz to 100 GHz generated from various electronic devices so that bad effects on human body or electronic ... | 06/23/2009 |
| 7511653 | Radar wave camouflage structure and method for fabricating the same A radar wave camouflage structure is disclosed. The radar wave camouflage structure comprises a substrate; a first layer on the substrate, comprising a first polymer matrix; magnetic nanoparticles dispersed in the first polymer matrix, wherein the magnetic nanoparti... | 03/31/2009 |
| 7479917 | Electromagnetic wave absorber, manufacturing method thereof and electromagnetic wave anechoic room An electromagnetic wave absorber has a configuration in which at least three hollow tetrahedrons, each having one open face, are connected to one another so that each surface opposite to a respective open face of the hollow tetrahedrons defines a respective side fac... | 01/20/2009 |
| 7427949 | System and method of using absorber-walls for mutual coupling reduction between microstrip antennas or brick wall antennas A multi-element antenna with sufficiently small return loss and mutual coupling signals to allow the simultaneous transmission of powerful radar signals and the reception of faint target return signals. The microstrip patch antenna has radio frequency absorbing mate... | 09/23/2008 |
| 7420500 | Electromagnetic radiation absorber An electromagnetic radiation absorber for absorbing radiation in the wavelength range λmin to λmax. The absorber has a conductor layer in contact with a dielectric layer. The conductor layer carries a plurality of apertures of sub-wavelength ... | 09/02/2008 |
| 7408500 | Automotive radar An automotive radar having a high level of azimuth accuracy and a broad detectable range by virtue of preventing leaks of unnecessary waves to receiving antennas is to be provided. A transmitting array antenna 1 and receiving array antennas 2a | 08/05/2008 |
| 7403152 | Method and arrangement for reducing the radar cross section of integrated antennas An antenna structure including an antenna 10 with an outer main surface 11, where said antenna 10 is integrated in a surface of a surrounding material 20. Further comprising a transition zone 30 arranged along the perimeter of the ... | 07/22/2008 |
| 7397414 | Electromagnetic wave absorption complex, and method of producing the same An electromagnetic wave absorber is formed by injection-molding a thermoplastic resin blended with approximately 20-60% by volume of soft magnetic material powder, and blended with a molding assistant and a kneading assistant. The electromagnetic wave absorber inclu... | 07/08/2008 |
| 7371471 | Electromagnetic noise suppressing thin film An electromagnetic noise suppressing thin film has a structure including an inorganic insulating matrix made of oxie, nitride, fluoride, or a mixture thereof and columnar-structured particles made of a pure metal of Fe, Co, or Ni or an alloy containing at least 20 w... | 05/13/2008 |
| 7365956 | Plasma driven, N-type semiconductor, thermoelectric power superoxide ion generator with critical bias conditions A plasma is generated inside a barrier enclosure made specifically of N-Type semiconductive material, said plasma thus generating a thermal gradient across said barrier which drives electrons through said barrier via the thermoelectric power of said N-Type semicondu... | 04/29/2008 |
| 7352929 | Rotary joint for data and power transfer A rotary joint is disclosed. The rotary joint comprise a power transfer interface for transferring power between a first portion having a first magnetic core and a second portion having a second magnetic core and rotatable relative to the first portion. The rotary j... | 04/01/2008 |
| 7350753 | RF shielding for aircraft windows Disclosed is an improved aircraft window having RF shielding. In one embodiment, a window shield comprises an electrically conductive, transparent, flexible film, which is applied by known processes to a window pane. This shield is grounded to the aircraft frame or ... | 04/01/2008 |
| 7345616 | Method and apparatus for reducing the infrared and radar signature of a vehicle A radar-absorbing panel (9) includes a honeycomb core (11) and a lower skin (13), where the lower skin (13) is attached to the bottom of the honeycomb core (11). The honeycomb core (11) is made up of individual cells (15 | 03/18/2008 |
| 7336215 | Electromagnetic radiation absorber based on magnetic microwires The invention relates to an electromagnetic radiation absorber for a preselected frequency range, comprising: an absorbent sheet (10) located such that said electromagnetic radiation falls on it, and a condu... | 02/26/2008 |
| 7324064 | Passive anti-jamming antenna system System and method for improving the interference resistance of an radio frequency (RF) antenna system through passive prescreening of the RF energy incident upon the antenna. The invention physically partitions the RF environment into two or more sectors with respec... | 01/29/2008 |
| 7311999 | Anode for a battery and a battery using an anode An anode and a battery using same as provided. The battery has a winding electrode body wherein a cathode and an anode are layered and wound with a separator and an electrolyte layer, which hold an electrolyte solution in a holding body therebetween. The anode has a... | 12/25/2007 |
| 7310059 | Transparent pane with radar-reflecting properties The panes (1) of a naval vessel or military vehicle are often coated with a radar-reflecting layer (20) for reduction of the radar signature of the vessel/vehicle. At the same time this layer increases an enemy's possibility of recognizing the vessel i... | 12/18/2007 |
| 7303441 | Electrical connector contact An electrical connector assembly including a housing, electrical contact terminals, a hood and a filter member. The housing is sized and shaped to be plugged into an electrical connector socket of an initiator of a gas generator. A first one of the terminals has a w... | 12/04/2007 |
| 7301493 | Meta-materials based upon surface coupling phenomena to achieve one-way mirror for various electro-magnetic signals A one-way reflective sensor shield with an increased bandwidth meta-materials coating is provided which substantially reduces or eliminates deleterious electronic signatures and backscattering. The one-way reflective sensor shield with meta-materials coating operate... | 11/27/2007 |
| 7282260 | Electrically conductive and electromagnetic radiation absorptive coating compositions and the like A coating composition having outstanding electrically conductive and electromagnetic radiation absorptive properties is disclosed with a water emulsion polymer binder. The binder is a blend of a first emulsion containing a conjugated diene as monomer or comonomer, a... | 10/16/2007 |
| 7280551 | Wireless packet communication method and wireless packet communication apparatus In a wireless packet communication method for transmitting a plurality of wireless packets simultaneously by using multiple wireless channels determined to be idle by carrier sense, a wireless channel determined to be idle and MIMO, or the multiple wireless channel ... | 10/09/2007 |
| 7276990 | Single-pole multi-throw switch having low parasitic reactance, and an antenna incorporating the same A switch arrangement comprises a plurality of MEMS switches arranged on a substrate about, and close to, a central point, each MEMS switch being disposed on a common imaginary circle centered on the central point. Additionally, and each MEMS switch is preferably spa... | 10/02/2007 |
| 7271759 | Apparatus for camouflaging specular reflecting cover surfaces A camouflage device for camouflaging specularly reflecting surfaces of an object is formed with function elements for influencing the reflection of radiation from an assumed radiation source. Each function element forms a part of an outer layer and has a pair of ind... | 09/18/2007 |
| 7256753 | Synthesis of metamaterial ferrites for RF applications using electromagnetic bandgap structures By configuring a high impedance frequency selective surface (HZ-FSS) structure for the appropriate values of surface impedance (surface resistance and surface reactance), a high frequency artificial ferrite metamaterial can be synthesized with almost any desired val... | 08/14/2007 |
| 7253699 | RF MEMS switch with integrated impedance matching structure An impedance matching structure for a RF MEMS switch having at least one closeable RF contact in an RF line, the impedance matching structure comprising a protuberance in the RF line immediately adjacent the RF contact that forms one element of a capacitor, the othe... | 08/07/2007 |
| 7250921 | Method and apparatus for multiband frequency distributed circuit with FSS A method and apparatus for a multiband frequency distributed circuit apparatus with FSS. The apparatus includes a circuit, a first dielectric layer, a first FSS layer, a second layer and a ground plane. The first dielectric layer is operatively coupled to the circui... | 07/31/2007 |
| 7241175 | Electrical connector contact An electrical connector assembly including a housing, electrical contact terminals, a hood and a filter member. The housing is sized and shaped to be plugged into an electrical connector socket of an initiator of a gas generator. A first one of the terminals has a w... | 07/10/2007 |
