...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7432784 | Noise filter and mounted structure of noise filter A noise filter has an element body, first to fourth terminal electrodes, and a connection conductor. The first to fourth terminal electrodes are disposed on the exterior of the element body. The connection conductor is also disposed on the exterior of the element bo... | 10/07/2008 |
| 7355493 | Filter element A filter element includes a coil part formed in an overall tubular shape by layering a pair of signal transmitting belt-shaped conductors and a grounding belt-shaped conductor with a belt-shaped insulator in between and winding so that the grounding belt-shaped cond... | 04/08/2008 |
| 7336144 | Compact multilayer band-pass filter and method using interdigital capacitor A compact multilayer band-pass filter using an interdigital capacitor which can be integrated into a compact form in a relatively low frequency band. The band-pass filter filters only a signal of a predetermined frequency band from a signal applied through an input ... | 02/26/2008 |
| 7315226 | Strip line device, printed wiring board mounting member, circuit board, semiconductor package, and method of forming same Electromagnetic waves leaking from a power distribution circuit provided on a printed wiring substrate or in a semiconductor package are suppressed, and degradation of the waveform of a signal generated by a high-speed digital circuit. A strip line device comprises ... | 01/01/2008 |
| 7309497 | Injectable pharmaceutical composition for systematic administration of pharmacologically active ingredients The invention relates to novel pharmaceutical compositions for the systemic administration of pharmacologically active ingredients. The invention relates in particular to an injectable pharmaceutical composition comprising (a) a pharmacologically active ingredient i... | 12/18/2007 |
| 7307495 | Electrical filter assembly having IDC connection An electrical filter assembly including a housing; at least one electrical wire extending into the housing; and a filter subassembly on the housing, the filter subassembly comprising a lead frame and a filter circuit connected to the lead frame. The filter circuit h... | 12/11/2007 |
| 7288417 | On-chip signal transformer for ground noise isolation A mixed-signal chip having a signal transformer located between analog circuitry and digital circuitry. The signal transformer includes a primary winding electrically coupled to the analog circuitry and a secondary winding electrically coupled to the digital circuit... | 10/30/2007 |
| 7283032 | Static electricity countermeasure component It is possible to realize an electrostatic discharge protection component having a very small electrostatic capacity suited to a high-frequency equipment and comprising a ceramic insulating substrate, a varistor unit composed of a varistor layer and an internal elec... | 10/16/2007 |
| 7277270 | Multilayer filter An objective is to provide a multilayer filter capable of preventing an electric current rapidly flowing by virtue of varistor effect, from passing as noise, upon application of noise of a high voltage over a varistor voltage to its input. A multilayer filter has an... | 10/02/2007 |
| 7262674 | Bandpass filter having first and second serially coupled collection of filter components for providing upper and lower rejection notches A bandpass filter having a transmission coefficient—frequency spectrum characteristic curve with a notch on each side of the passband is disclosed. ... | 08/28/2007 |
| 7262675 | Laminated filter with improved stop band attenuation Disclosed herein is a laminated filter with improved stop band attenuation, which is adopted in devices using a radio frequency, such as communication systems and/or broadcasting systems. The laminated filter forms cross capacitive coupling as feeding lines of input... | 08/28/2007 |
| 7201817 | Magnetoelectric multilayer composites for field conversion Magnetoelectric multilayer composites comprising alternate layers of a bimetal ferrite wherein one of the metals is zinc and a piezoelectric material for facilitating conversion of an electric field into a magnetic field or vice versa. The preferred composites inclu... | 04/10/2007 |
| 7182644 | Filtering electromagnetic interference from low frequency transmission lines at a device enclosure An electrical device having an enclosure in which noise is parasitically induced in a wire located in the interior of the enclosure is disclosed. The electrical device has an entry connector for mating the wire with an external connector at which a transmission line... | 02/27/2007 |
| 7154374 | Plated terminations Improved termination features for multilayer electronic components are disclosed. Monolithic components are provided with plated terminations whereby the need for typical thick-film termination stripes is eliminated or greatly simplified. Such termination technology... | 12/26/2006 |
| 7148768 | Filter element A filter element includes a coil part formed in an overall tube-like shape by layering a signal transmitting belt-like conductor and a grounding belt-like conductor with a belt-like insulator in between and winding so that the grounding belt-like conductor is outsid... | 12/12/2006 |
| 7110235 | Arrangement for energy conditioning Circuit arrangement embodiments that use relative groupings of energy pathways that include shielding circuit arrangements that can sustain and condition electrically complementary energy confluences. ... | 09/19/2006 |
| 7109825 | Passive devices and modules for transceiver A passive device and a module for a transceiver are provided. The passive device for a transceiver includes a semiconductor substrate or a dielectric substrate, at least one capacitor, a dielectric layer, at least one inductor, a via hole, a metal electrode, radio f... | 09/19/2006 |
| 7097287 | Ink jet device, ink jet ink, and method of manufacturing electronic component using the device and the ink Here disclosed is an ink jet apparatus having an ink-circulating/dispersing function. The apparatus provides ink with dispersion as required, and circulates the ink through a tube to an ink-collecting tank. During this circulation, a required amount of the ink is fe... | 08/29/2006 |
| 7099645 | Multilayer LC filter A multilayer LC filter includes a terminal layer, and a plurality of capacitor electrode layers laminated together on the terminal layer. An inductor layer is disposed above the capacitor electrode layers to thereby form a laminated body. First and second strip-shap... | 08/29/2006 |
| 7091800 | Noise filter A noise filter in which the resonance of noise can be prevented, which is small in size and inexpensive, and is useful especially in an electronic device of which the signal frequency exceeds 100 MHz. In the noise filter, ground conductors are arranged on the outerm... | 08/15/2006 |
| 7088202 | Methods and apparatus for an improved discrete LC filter A discrete inductive-capacitive (LC) filter selects between at least two inductor banks to tune the LC filter. The filter receives an input signal that includes one or more bands of frequencies. A control signal selects a band of frequencies for processing. A first ... | 08/08/2006 |
| 7085118 | Electrostatic discharge protection component On the surface of a ceramic sinter, at least an external electrode for input, an external electrode for output, and external electrodes for grounding are disposed, and the ceramic sinter includes an inductor electrically connected to the external electrode for input... | 08/01/2006 |
| 7078999 | Inductor and method for producing the same A lamination ceramic chip inductor includes at least one pair of insulation layers; and at least one conductive pattern which is interposed between the at least one pair of insulation layers and forming a conductive coil. At least one conductive pattern includes a c... | 07/18/2006 |
| 7064623 | Coaxial line type components with low characteristic impedance Transmission line type components (1, 1′), which form coaxial lines having a very low characteristic impedance by coaxially installing a cylindrical outer conductor made of a conductive material being larger in diameter than an inner conductor so as to cove... | 06/20/2006 |
| 7061772 | Electronic circuit with transmission line type noise filter In an electronic circuit having an integrated circuit (110) having a power supply terminal, a noise filter disposed adjacent to the integrated circuit, and a printed board (101) having a pattern for supplying a power supply to the power supply terminal... | 06/13/2006 |
| 7049926 | Single and multi layer variable voltage protection devices and method of making same Disclosed is a variable voltage protection device for electronic devices which in one aspect comprises a thin layer of neat dielectric polymer or glass positioned between a ground plane and an electrical conductor for overvoltage protection, wherein the neat polymer... | 05/23/2006 |
| 7042703 | Energy conditioning structure An energy conditioning structure comprised of any combination of multilayer or monolithic energy conditioners with operable conductors, all selectively arranged and shielded for attachment to at least a conductive substrate. ... | 05/09/2006 |
| 7014507 | Filtered connector that blocks high frequency noise A filtered connector is provided of the type that includes an inductor (40) and capacitors (51, 52) connected in a pi filter arrangement to each contact (20) of the connector to attenuate high frequency noise, is enhanced to better block very hi... | 03/21/2006 |
| 7012486 | Miniature wideband bias tee A miniature wideband bias tee that has a small package size. The bias tee has a low temperature co-fired ceramic substrate with a top surface and a bottom surface. A first inductor is located within the substrate. A second inductor is attached to the top surface and... | 03/14/2006 |
| 7005944 | Transmission line type noise filter with reduced heat generation even when large DC current flows therein A transmission line type noise filter, which is connectable between a direct current power supply and an electrical load component to pass a coming DC current while attenuating a coming AC current, includes a first conductor, a dielectric layer, a second conductor a... | 02/28/2006 |
| 7002074 | Self-leaded surface mount component holder A self-leaded, surface mountable component package is provided for holding a wide variety of electrical components having widely variant conductor wire sizes in a manner achieving standardized conductor contact positioning. The general box-like configuration provide... | 02/21/2006 |
| 6998938 | Lumped-element low-pass filter in multi-layered substrate A lumped-element low-pass filter is formed in a multi-layered substrate. A negative mutual inductance between two inductors is adjusted to a designed value and utilized to improve the rejection in the stopband of the low-pass filter. The two inductors are spiral in ... | 02/14/2006 |
| 6963255 | Power splitter A power splitter that has a small package size and repeatable electrical characteristics. The power splitter includes a low temperature co-fired ceramic (LTCC) substrate with several layers. Electrical components such as resistors and capacitors are integrated withi... | 11/08/2005 |
| 6930584 | Microminiature power converter A microminiature power converter includes a semiconductor substrate on which a semiconductor integrated circuit is formed, a thin film magnetic induction element, and a capacitor. The thin film magnetic induction element includes a magnetic insulating substrate, and... | 08/16/2005 |
| 6919788 | Low profile high current multiple gap inductor assembly An inductor assembly includes a coil or coils of insulated conductor material defining an inside volume, an inner core of magnetic core material located within the inside volume, and an outer core of magnetic core material including structure overlying the coil and ... | 07/19/2005 |
| 6917095 | Integrated radio frequency circuits A plurality of devices, such as devices that are utilized for implementing radio frequency applications, can be formed in the same substrate. Each of these devices may be formed over a triple well that includes at least one well capable of being biased. Each of the ... | 07/12/2005 |
| 6911880 | Transmission line type noise filter with small size and simple structure, having excellent noise removing characteristic over wide band including high frequency band A noise filter (1) has a first impedance element (2) having an impedance value Z1, a second impedance element (3) having an impedance value Z2, a third impedance element (4) having an impedance value Z3, a first anode... | 06/28/2005 |
| 6911888 | Inductor and method for producing the same A lamination ceramic chip inductor includes at least one pair of insulation layers; and at least one conductive pattern which is interposed between the at least one pair of insulation layers and forming a conductive coil. At least one conductive pattern includes a c... | 06/28/2005 |
| 6911887 | Inductor and method for producing the same A lamination ceramic chip inductor includes at least one pair of insulation layers; and at least one conductive pattern which is interposed between the at least one pair of insulation layers and forming a conductive coil. At least one conductive pattern includes a c... | 06/28/2005 |
| 6906610 | Inductor element An inductor element 100 capable of functioning properly on a substrate includes two similarly shaped conductors such as spiral conductors 120, 122 formed on the surface of a semiconductor substrate 110. The upper conductor 120 and the low... | 06/14/2005 |