Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 6916272 | Apparatus for preventing sudden acceleration of automobile fitted with automatic transmission The present invention relates to an apparatus for preventing sudden acceleration of an automobile fitted with an automatic transmission, including a first slider having one end thereof connected to a cable connected to an accelerator pedal, a second slider having on... | 07/12/2005 |
| 6858149 | Method for the treatment of tap water and drinking water A method is provided for the treatment of water so as to reduce or destroy micro-organisms therein as well as other causes of skin diseases or waterborne diseases in human beings and animals, wherein the water is passed through a magnetic field being presented by a ... | 02/22/2005 |
| 7364659 | Preparation of asymmetric polyethylene hollow fiber membrane A porous polyethylene hollow fiber membrane having a pore-size gradient across the inner and outer surfaces thereof is prepared by introducing, during the cooling step of a melt-spun polyethylene hollow fiber, a nitrogen flow and a solvent having a boiling point in ... | 04/29/2008 |
| D557700 | Transitional image for a portion of a display screen | 12/18/2007 |
| 7296934 | Optical transmission module and manufacturing method thereof An optical transmission module is disclosed that comprises an optical element having an optical path formed therein, optical connection parts respectively arranged on both sides of the optical element so as to connect the optical element to plural optical fibers, an... | 11/20/2007 |
| 7270753 | Surfactant-like polymer gel and a method for separating material using same The present invention relates to a polymer gel having a surfactant-like micelle structure obtained by polymerization or condensation polymerization of an ionic surfactant and an organic or inorganic compound having polymerizable moiety, which is capable of adsorbing... | 09/18/2007 |
| 7229827 | Method for differentiating mesenchymal stem cells into neural cells A method for differentiating mesenchymal stem cells of bone marrow into neural cells comprises culturing the mesenchymal stem cells in a medium containing epidermal growth factor(EGF), basic fibroblast growth factor(bFGF) and hepatocyte growth factor(HGF), and the n... | 06/12/2007 |
| 7225598 | Alert medication safety seal system and method The present invention provides for method and system in which a heat-shrinkable plastic cover is placed over an individual conventional medicine container. The cover is heat shrunk around the container to form a tight-fitting seal which covers the majority of the or... | 06/05/2007 |
| 7214363 | Method for preparing composite microparticles Composite microparticles having thin coating layers can be simply prepared by bringing a host particle precursor into contact with a flame generated in a burner movably mounted at the bottom of a coating apparatus, by introducing the precursor in the form of a vapor... | 05/08/2007 |
| 7189379 | Apparatus for methanol synthesis An object of the present invention is to provide a production process for methanol in which a distillation system is reduced in a size by removing efficiently heat generated in a methanol synthesis reaction and inhibiting by-products from being formed. The present i... | 03/13/2007 |
| 7189537 | Human protooncogene KG-20 and protein encoded therein A human protooncogene having a base sequence of SEQ ID: 1 or a fragment thereof is overexpressed in various cancer tissues and can be used in diagnosing various cancers and an antisense gene complementary thereto can be used in treating cancers. ... | 03/13/2007 |
| D536610 | Pop-up package assembly | 02/13/2007 |
| 7164848 | Audio disc of improved data structure and reproduction apparatus therefor An optical audio disc comprises the first pack (A Pack), the second pack (A-CONT Pack), the third pack (V Pack), and the fourth pack (CONT Pack) in which the A-CONT Pack is placed at the head of a data array and a plurality of the A and V Packs follow the A-CONT Pac... | 01/16/2007 |
| 7151890 | Audio disc of improved data structure and reproduction apparatus therefor An optical audio disc comprises the first pack (A Pack), the second pack (A-CONT Pack), the third pack (V Pack), and the fourth pack (CONT Pack) in which the A-(CONT Pack is placed at the head of a data array and a plurality of the A and V Packs follow the A-CONT Pa... | 12/19/2006 |
| 7143942 | Card processing apparatus and system, POS terminal for card processing, and credit card processing control method To reliably process a card such as a credit card to acquire accurate card information in accordance with the present invention without lowering job productivity, magnetic data is read from the card and in the same operation the front of the card is scanned to secure... | 12/05/2006 |
| 7120342 | Uv-curable and foamable resin composition A UV-curable and foamable resin composition comprising a photopolymerizable urethane acrylate oligomer, a photopolymerable monomer, a photo polymerization initiator, a photolytic foaming agent selected from an azo compound, a combination of sulonium salt and an inor... | 10/10/2006 |
| 7093268 | Flexible wiring plate and an electronic device for recording and/or playing back information using the flexible wiring plate A flexible wiring plate includes a first wiring plate connected to a connector of a member of a fixed side (chassis), a second wiring plate connected to a connector of a member of a movable side (slide), and a third wiring plate connecting the first wiring plate to ... | 08/15/2006 |
| 7058270 | Method for preparing plastic optical fiber preform The present invention relates to a method for preparing a GI (graded index) plastic optical fiber preform having a radial refractive index gradient, the refractive index increasing gradually from the outer periphery of the preform toward the center thereof, comprisi... | 06/06/2006 |
| 7030264 | Bis-β-hydroxyethyl terephthalate Bis-β-hydroxyethyl terephthalate having an optical density measured in a 10 wt % methanol solution at a measurement wavelength of 380 nm and a cell optical path length of 10 mm of 0.000 to 0.006. The present invention makes it clear that purified BHET having an opt... | 04/18/2006 |
| 7028317 | Optical disc device having an inclined guided member to control the direction of light An optical disk device performing data reproducing and/or data recording of a disk with the disk being clamped and rotated. The disk device has a simple structure in which light emitted from an optical pickup can be securely made incident on the disk at right angles... | 04/11/2006 |
| 7012144 | Quinolone carboxylic acid derivatives Quinolone carboxylic acid derivatives of formula (I) and pharmaceutically acceptable salts thereof have potent antibacterial activity: wherein, R1 is a C1-4 alkyl... | 03/14/2006 |
| D516586 | Reach stacker | 03/07/2006 |
| 6986268 | Method for the preparation of plate glass having low residual stress A flat glass plate having a low residual stress, suitable for use in preparing a display, can be prepared without an annealing or polishing process by way of controlling the horizontal temperature gradient of a molten glass plate to a specific range during cooling. | 01/17/2006 |
| 6974506 | Method of manufacturing a ferritic-martensitic, Oxide Dispersion Strengthened alloy This invention relates to a method of manufacturing an improved ferritic or martensitic alloy based on iron and chromium strengthened by a dispersion of oxides, commonly called an Oxide Dispersion Strengthened or ODS alloy, and, more particularly to a method of manu... | 12/13/2005 |
| D511154 | Combined digital audio disk player and radio receiver | 11/01/2005 |
| 6914488 | Broadband amplification apparatus for bandwidth expansion A broadband amplification apparatus for extending a bandwidth includes a first and a second amplifying unit for amplifying an input signal, a buffering unit and a first inductive buffer. The buffering unit disposed between the first and the second amplifying unit bu... | 07/05/2005 |
| 6861126 | Magnetic recording medium possessing a magnetic layer having plural oxygen-containing regions On a polymeric substrate 1, there is formed with a single magnetic layer 2 containing a ferromagnetic metal and oxygen. The magnetic layer 2 is divided into three regions equally in the depth direction from the polymeric substrate 1 to th... | 03/01/2005 |
| 6858251 | Lanthanum complex and process for the preparation of a BLT layer using same A lanthanum complex of formula (I) having a low evaporation temperature can be used as a useful precursor for MOCVD of a BLT thin layer on semiconductor devices. wherein A is pentamethyldiethylenetriamine(PMDT) or trie... | 02/22/2005 |
| 6818312 | Heat-shrinkable polyester film Disclosed in this invention is a heat-shrinkable polyester film comprising a polyester film support and a coat layer formed on one or both sides of the polyester film support, said coat layer comprising a quaternary ammonium sulfate and a polysiloxane resin. ... | 11/16/2004 |
| 6807135 | Tilt detection system, tilt detection method and tilt adjustment method A tilt detection system includes an optical disk having a series of data recorded therein, the series of data having a pulse width smaller than the minimum pulse width of data recorded in an ordinary optical disk; a reproducing part reproducing a signal from the opt... | 10/19/2004 |
| 6799322 | Disk loading device A disk loading device for loading a disk into a disk loading device frame and unloading the inserted disk from the disk loading device frame has a first arm having a contacting part for contacting an edge of the disk in a direction of insertion of the disk and movin... | 09/28/2004 |
| 6799230 | Peripheral device exchanging data with one of higher-order devices by switching interfaces A control unit of a peripheral device enables data to be exchanged between a unit of the peripheral device and one of a plurality of higher-order devices by using one of a plurality of interface units. Thus, the unit of the peripheral device is controlled by the hig... | 09/28/2004 |
| 6794088 | Method for preparing lithium ion polymer battery The lithium ion polymer battery having high capacity, capacity retention and cycling life is prepared by gelating a gel polymer electrolyte composition comprising an organic solvent, a lithium salt, and a gelling agent composed of a nitrogen-containing polymer and a... | 09/21/2004 |
| 6794922 | Signal processing circuit integrating pulse widths of an input pulse signal according to polarities A signal processing circuit outputs an output signal corresponding to a pulse width of an input pulse signal. This signal processing circuit comprises means for accumulating pulse widths of the input pulse signal for a predetermined period of time, and means for out... | 09/21/2004 |
| 6774199 | Polymer having switchable tackiness The present invention relates to a polymer of formula (I), which has a liquid crystalline side chain and exhibits switchable tackiness at a narrow temperature range around its isotropic transition temperature: wherein, | 08/10/2004 |
| 6765859 | Record and read apparatus A record and read apparatus, includes a head by which information is read from or written to a recording medium, a guide shaft guiding movements of the head, a base part supporting the guide shaft, a pressing member pressing the guide shaft, and a support member adj... | 07/20/2004 |
| 6763731 | Dynamic error correcting positive displacement piston flowmeter and method of measuring gas flow in a piston flowmeter A positive displacement flowmeter comprising a cylindrical enclosure and a piston movable within the enclosure between the opposite ends of the enclosure; with the piston having a diameter closely approximating the diameter of the enclosure to form a clearance seal;... | 07/20/2004 |
| 6763275 | METHOD FOR PROCESSING AND REPRODUCING AUDIO SIGNAL AT DESIRED SOUND QUALITY, REDUCED DATA VOLUME OR ADJUSTED OUTPUT LEVEL, APPARATUS FOR PROCESSING AUDIO SIGNAL WITH SOUND QUALITY CONTROL INFORMATION OR TEST TONE SIGNAL OR AT REDUCED DATA VOLUME, RECORDING MEDIUM FOR RECORDING AUDIO SIGNAL WITH SOUND QUALITY CONTROL INFORMATION OR TEST TONE SIGNAL OR AT REDUCED DATA VOLUME, AND APPARATUS FOR REPRODUCING AUDIO SIGNAL AT DESIRED SOUND QUALITY, REDUCED DATA VOLUME OR ADJUSTED OUTPUT LEVEL A digital audio signal obtained from an analog audio signal indicating a music, pieces of audio reproduction control information respectively indicating the adjustment of a sound quality of the music are added to the digital audio signal, and the digital audio signa... | 07/13/2004 |
