"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 6121255 | Phloroglucide derivatives and their pharmceutical use A phloroglucide derivative having the following formula: ##STR1## wherein Q is halogen; X is CH2 or C.dbd.O; Y is cephalosporin having a formula of ##STR2## wherein Ph is phenyl, Ac is acetoxy, or pharmaceutically acceptable salts ... | 09/19/2000 |
| 6087276 | Method of making a TFT having an ion plated silicon dioxide capping layer A method of making a polysilicon thin-film transistor is presented. Device characteristics are improved when a silicon dioxide capping layer is formed by an ion plating method.... | 07/11/2000 |
| 6063661 | Method for forming a bottom polysilicon electrode of a stacked capacitor for DRAM A method for forming a bottom polysilicon electrode of a stacked capacitor for DRAMs makes use of a double-layered polysilicon structure and a phosphoric acid etching. When the double-layered polysilicon structure is etched with the phosphoric acid, the p... | 05/16/2000 |
| 6020941 | Stereographic liquid crystal display employing switchable liquid crystal materials of two polarities in separate channels A stereographic liquid crystal display (LCD) and various methods of manufacturing and operating such stereographic LCD. In one embodiment, the LCD includes: (1) first and second substrates having a cell wall structure located in an interstice therebetween... | 02/01/2000 |
| 5952878 | Second order differential highpass filter A second-order differential highpass filter constructed according to the present invention includes a difference amplifier and a feedback processing circuit. The difference amplifier includes an operational amplifier OP1, and four resistors R | 09/14/1999 |
| 5952885 | Current-to-voltage converter with highpass filter function A current-to-voltage converter with highpass filter function constructed according to the present invention contains two operational amplifiers OP1 and OP2, two resistors R1 and R2, and a capacitor C1. The noninverting (+)... | 09/14/1999 |
| 5949513 | Methods of manufacturing multi-color liquid crystal displays using in situ mixing techniques Methods of manufacturing a liquid crystal display ("LCD"); specifically, a multi-color LCD, e.g., a red-green-blue ("RGB") LCD. The methods include the steps of: (1) depositing a twist agent on a first substrate, the twist agent becoming an in situ twist ... | 09/07/1999 |
| 5948382 | Selective oxidation of hydrogen sulfide in the presence of mixed-oxide catalyst containing iron, molybdenum and antimony The present invention discloses a method of selectively oxidizing hydrogen sulfide to elemental sulfur, in which a H2 S-containing gas mixture contacts with an oxygen-containing gas at about 50-400° C. in the presence of an mixed-oxide catalys... | 09/07/1999 |
| 5932584 | Optically active 2,3-dihydroimidazo(1,2-C) quinazoline derivatives, the preparation and antihypertensive use thereof This invention relates to novel optically active 3-substituted methyl-5-methylthio-2,3-dihydroimidazo1,2-c!quinazoline (I) and 3-substituted methyl-2,3-dihydroimidazo1,2-c!quinazolin-5(6H)-one (II). This invention also relates to the therapeutical use... | 08/03/1999 |
| 5929051 | Aloe pectins Pectins from gel and rind cell wall fibers of Aloe vera are extracted, isolated and identified. Two classes of Aloe pectin are obtained: the high-molecular-weight (HMW) pectin and the low-molecular-weight (LMW) pectin. Aloe pectins have a low methoxyl (LM... | 07/27/1999 |
| 5926615 | Temperature compensation method for semiconductor wafers in rapid thermal processor using separated heat conducting rings as susceptors The "Temperature compensation method for semiconductor wafers in rapid thermal processor using properly designed heat conducting pads as susceptors" is a new temperature compensation concept suitable for rapid thermal processor without uniform temperature... | 07/20/1999 |
| 5907104 | Signal processing and field proving methods and circuits for a coriolis mass flow meter A signal processing apparatus and method for measuring a mass flow rate of a fluid flowing in conjunction with a surface of a Coriolis mass flow meter and a field-provable Coriolis mass flow meter. The apparatus includes: (1) a driver for creating a presc... | 05/25/1999 |
| 5893078 | System and method for determining optimal sweep threshold parameters for demand deposit accounts In a financial institution accounting system, a system for, and method of, determining an optimal sweep threshold parameter for a demand deposit account ("DDA"), the DDA having a sub-DDA contra-account and a sub-money market account ("sub-MMA") associated... | 04/06/1999 |
| 5860589 | Packing box A packing box made from a patterned cardboard having a bottom panel, a top panel, two side panels, a front panel, and a rear panel, wherein a rectangular bottom frame is extended from one long side of the bottom panel remote from the front panel, having t... | 01/19/1999 |
| 5827979 | Signal processing apparati and methods for attenuating shifts in zero intercept attributable to a changing boundary condition in a Coriolis mass flow meter In the field of Coriolis mass flow meters, determination of the true zero of the meter has always been problematic due to zero drift effects with changing boundary conditions and fluid parameters. Disclosed are apparatus and methods for determining the tr... | 10/27/1998 |
| 5825451 | Methods of manufacturing multi-color liquid crystal displays using in situ mixing techniques Methods of manufacturing a liquid crystal display ("LCD"); specifically, a multi-color LCD, e.g., a red-green-blue ("RGB") LCD. The methods include the steps of: (1) depositing a twist agent on a first substrate, the twist agent becoming an in situ twist ... | 10/20/1998 |
| 5819236 | System and method for providing advance notification of potential presentment returns due to account restrictions An electronic system and method for providing advance notification of a potential return that may occur when a presenting financial institution ("FI") eventually presents an item for payment to a paying FI in a subsequent paper-based presentment process. ... | 10/06/1998 |
| 5812132 | Windowed computer display A method of displaying graphical data on a display device of a computer system and a computer system employing the method. The method comprises the steps of: (1) forming a first window on the display device, the first window capable of displaying data ass... | 09/22/1998 |
| 5808572 | Method and apparatus for finite-length arithmetic coding In this invention, we introduce a connection indexing algorithm for realizing the arithmetic coding in finite wordlength processors. By determining the number of encoded information bits according to a difference between the finite wordlength and a residu... | 09/15/1998 |
| 5796454 | Cholesteric liquid crystal display employing circular polarizer and methods of operation and manufacture therefor A cholesteric liquid crystal display ("LCD") and methods of operating and manufacturing the LCD. The LCD includes: (1) a controllable cholesteric liquid crystal (CLC) located between first and second substrates, the controllable CLC selectively exhibiting... | 08/18/1998 |
| 5783808 | Electronic check presentment system having transaction level reconciliation capability Disclosed are an improved electronic check presentment ("ECP") system having a non-ECP exceptions notification system incorporated therein and a method of electronically communicating data pertaining to non-ECP exceptions. The method, for use by a present... | 07/21/1998 |
| 5784186 | Scanning optical delay device having a helicoid reflecting mirror A rapid and linear scanning optical delay line was attained by the use of a helicoid reflecting mirror which was spun by a DC servo motor for bringing about a periodic change in the optical path length of the reflected light beam. The double-pass scanning... | 07/21/1998 |
| 5776835 | Method of making a grooved gate structure of semiconductor device A method is capable of providing a semiconductor device with a gate having thereon a thicker silicide or metal layer and further having a lower interconnect resistance. The method is further capable of providing the semiconductor device with a polysilicon... | 07/07/1998 |
| 5773425 | Antineoplastic uses of aloe products Methods for the treatment of sarcoma, carcinoma and lymphoma in an animal by administering to the animal an effective amount of a polymeric acetylated mannan derivative.... | 06/30/1998 |
| 5766600 | Non-azo naphtalimide dyes and uses for same A class of predominantly hydrophobic non-azo N-substituted 1,8-naphthalimide compounds, each bearing, at its 3-position, a nucleofuge and, at its 4-position, a heteroatomic electron-releasing group. The heteroatomic electron-releasing group is being chara... | 06/16/1998 |
| 5760102 | Uses of denture adhesive containing aloe extract A method of adhering a denture, having a biocontact surface, to a gum or a roof of a mouth, containing the steps of: (1) Treating the biocontact surface of the denture with a denture adhesive composition containing a chemical substance derived from an alo... | 06/02/1998 |
| 5757301 | Instability recovery method for sigma-delta modulators A method for stabilize single-stage sigma-delta modulators is disclosed. The method of the present invention employs stability detectors to detect whether the modulator enters the unstable region or not. And internal signal paths that already exist in sta... | 05/26/1998 |
| 5753827 | Coriolis meteR having a geometry insensitive to changes in fluid pressure and density and method of operation thereof A method of compensating for at least one of pressure and density with a Coriolis meter, the meter having two modes of vibration impressed thereon, a fluid in the meter altering the modes of vibration to produce altered modes of vibration. The method incl... | 05/19/1998 |
| 5741382 | Method for preparing oriented discontinuous long fiber reinforced thermoplastic resin composite sheet product A method for preparing a thermoplastic resin composite sheet product reinforced by oriented and discontinuous long fibers comprises a first step in which a plurality of prepreg pieces of a fiber-reinforced thermoplastic resin composite are fed to a horizo... | 04/21/1998 |
| 5717431 | Ergonomic keyboard for a portable computer and methods of operation and manufacture therefor A portable computer and method of operation thereof. The portable computer includes: (1) a first chassis portion hingedly coupled to a second chassis portion by first and second bulkheads to allow relative rotation between a closed position and an open po... | 02/10/1998 |
| 5689579 | Rule-based circuit, method and system for performing item level reconciliation A reconciling circuit for, and method of, reconciling a first database with a second database, the first database containing first item data arranged in records and fields, the second database containing second item data arranged in records and fields. Th... | 11/18/1997 |
| 5664216 | Iconic audiovisual data editing environment An iconic data editing environment and a method of editing data in such an environment. The environment includes: (1) a working area capable of receiving icons and symbols thereon, (2) a first icon capable of being placed on the working surface and symbol... | 09/02/1997 |
| 5661533 | Ultra fast response, multistable reflective cholesteric liquid crystal displays Surfactant-containing multistable cholesteric liquid crystal displays exhibit ultra fast response times with both video speed and gray scale capability.... | 08/26/1997 |
| 5659542 | System and method for signalling and call processing for private and hybrid communications systems including multimedia systems A system and method for selectively establishing a user information path over an information transport network between first and second endpoints of first and second private network partitions, respectively. The system comprises: (1) signalling circuitry,... | 08/19/1997 |
| 5648128 | Method for enhancing the growth rate of a silicon dioxide layer grown by liquid phase deposition A liquid phase deposition method involves a reaction mixture composed of a hydrosilicofluoric acid aqueous solution supersaturated with silicon dioxide, and a semiconductor substrate disposed therein. The reaction mixture is treated with an ultrasonic osc... | 07/15/1997 |
| 5631874 | Telemetry transmission protocol for towed hydrophone streamer Disclosed is a protocol for transmitting data in a towed hydrophone streamer, including a transmission method and a data frame. The method comprises the steps of (1) receiving a portion of the data frame into a data transmission circuit within a particula... | 05/20/1997 |
| 5625477 | Zero field multistable cholesteric liquid crystal displays A light modulating apparatus containing cholesteric liquid crystals capable of indefinite zero field retention of optical images, including full color and complete gray scale capability, is described. This invention is predicated on establishment of zero ... | 04/29/1997 |
| 5625534 | Portable computer having a data card reader apparatus associated therewith The present invention provides a personal computer comprising a main chassis having an exterior wall forming, in part, an interior portion of the personal computer. The exterior wall has a data card slot formed therein and is configured to receive a data ... | 04/29/1997 |
| 5623869 | Laptop table for portable computers The present invention provides lap table for a portable computer. The lap table comprises a supple main body that has a top surface joined to a bottom surface and a sealed hollow interior for containing a filling material to give the main body a degree of... | 04/29/1997 |
| 5623263 | 4th-order sigma-delta modulator with leapfrog topology The invention relates to a high performance and absolute stable 4th-order sigma-delta modulator with leapfrog topology which contains the following key components: (a) four integrators for integrating the difference signal between the input and reconstruc... | 04/22/1997 |