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"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 |
| 5204959 | System for determining image size ratio of data for presentation of proper size on displays or printers from optical storage An image information processing apparatus for retrieving image information from an optical memory. This apparatus has a buffer memory for storing the retrieved image information, a size converting (enlarge/reduction) circuit for converting the size of the... | 04/20/1993 |
| 5177590 | Semiconductor device having bonding wires In a semiconductor device, a semiconductor element is electrically connected to an inner lead portion by means of a bonding wire having almost regularly repeated concaves and convexes on its outer peripheral surface. Thus, the contact area between the bon... | 01/05/1993 |
| 5166171 | 6-phenoxymethyl-4-hydroxytetrahydropyran-2-ones and 6-thiphenoxymethyl-4-hydroxytetrahydropyran-2-ones and the corresponding dihydroxycarboxylic acid derivatives, salts and esters, and in treating hypercholesterolemia 6-Phenoxymethyl-4-hydroxytetrahydropyran-2-ones and 6-thiophenoxymethyl-4-hydroxytetrahydropyran-2-ones and the corresponding dihydroxycarboxylic acid derivatives, salts and esters, processes for the preparation of these compounds, their use as pharmaceut... | 11/24/1992 |
| 5166539 | Neural network circuit A neural network circuit, in which a number n of weight coefficients (Wl-wn) corresponding to a number n of inputs are provided, subtraction circuits determine the difference between inputs and the weight coefficients in each input terminal, the result th... | 11/24/1992 |
| 5164814 | Semiconductor device with customized wiring A semiconductor device has a semiconductor substrate, MOS transistors formed in the semiconductor substrate, a wiring pattern formed on the semiconductor substrate, for wiring the MOS transistors, and a passivation layer covering the wiring pattern. In th... | 11/17/1992 |
| 5164801 | A P channel MIS type semiconductor device A P channel MIS type semiconductor device have P type source and drain regions formed in a N type semiconductor substrate. Each source and drain regions are constructed the low and high impurity concentration layers. Channel side edges of the low concentr... | 11/17/1992 |
| 5164246 | Highly thermoconductive ceramic A highly thermoconductive ceramic substrate, which is characterized by having formed on a ceramic substrate an electroconductive coating of a mixture of tungsten and/or molybdenum with the nitride of a transition metal belonging to Group IVa of the Period... | 11/17/1992 |
| 5162943 | Image reading apparatus with a diffraction grating An image reading apparatus including a diffraction grating element including a transparent plate shaped in the form of consecutive steps to separate a light reflected from a document into a zero order light, -1 order light, and +1 order light. The transpa... | 11/10/1992 |
| 5163127 | Three dimensional graphic processing apparatus A three-dimensional graphic processing apparatus includes n arithmetic ICs (Integrated Circuits) for performing linear interpolation calculations for each scan line of a triangle polygon to obtain intensity values and depth coordinate values of pixels, an... | 11/10/1992 |
| 5153845 | Time base conversion circuit A time base conversion circuit including a data interpolating circuit for converting a digital signal of sampling frequency fs into a digital signal having M (M is a positive integer) samples per N/fs (N is another positive integer) cycle without loosing ... | 10/06/1992 |
| 5149716 | Insulin derivatives, process for their preparation, their use and a pharmaceutical preparation containing them The invention relates to insulin derivatives of the formula III ##STR1## in which R30 and R31 together are OH, or R30 is a radical of a neutral, genetically encodable L-amino acid and R31 is OH or a physiol... | 09/22/1992 |
| 5148050 | Variable frequency-dividing circuit One output signal of a D flip-flop circuit FF2 is fed via a wiring W1 back to an input terminal of a D flip-flop circuit FF1, while one output signal of a D flip-flop circuit FF3 is fed via a wiring W2 back to another input terminal of the D flip-flop cir... | 09/15/1992 |
| 5148294 | Image processing apparatus and method for painting a memory with plural colors An apparatus and method for editing an entire image, including closed areas surrounded by other closed areas, contained within a framed area is disclosed. Image data obtained through a prescan is first written into a bit map memory, in the form of first d... | 09/15/1992 |
| 5148263 | Semiconductor device having a multi-layer interconnect structure A semiconductor device has a multi-layer structure comprising three or more interconnect layers formed over a substrate, one of these interconnect layers being a first power supply line and another metal interconnect layer being a second power supply line... | 09/15/1992 |
| 5146332 | Video signal delay circuit having self adjusting gain A pedestal clamp circuit fixes the pedestal level of an input video signal to a predetermined voltage. A pulse signal inserting circuit inserts a pulse signal, having a predetermined peak value, in part of the video signal partially corresponding to the b... | 09/08/1992 |
| 5146348 | Store-and-forward switching system A method of controlling a store-and-forward switching system comprising a store-and-forward switching central unit and a plurality of terminal units comprising the steps of detecting a call from a terminal unit through a communication control unit for con... | 09/08/1992 |
| 5140693 | Display configuration setting system and method for preferentially setting extension display card In a computer system having an extension slot capable of detachably receiving a display adapter board and display hardware controllers for plasma and CRT displays, respectively, the display hardware controllers are disabled in initialization processing up... | 08/18/1992 |
| 5102119 | Exercise hoop An exercise device using a fiber reinforced plastic matrix hoop as a resilient member with telescoping rigid members each connected at respective diametrically opposed locations on the hoop. A handle and foot support are coupled to one of the telescoping ... | 04/07/1992 |
| 5042307 | Amplifying compensation circuit for semiconductor A pressure sensor circuit has a bridge circuit of strain gauges formed on a silicon diaphragm with two output terminals. The difference in the voltage between the two output terminals is dependent on the pressure applied to the strain gauges. A differenti... | 08/27/1991 |
| 4886082 | Cleaning apparatus A cleaning apparatus which includes an ultrasonic cleaning tank, a rinse cleaning tank, a vapor cleaning tank and a distilling tank. The distilling tank has, at its inner lower portion, a heater. Means are provided for directing the flow of the cleaning l... | 12/12/1989 |
| 4883980 | Semiconductor IC (integrated circuit) device A semiconductor integrated circuit device is disclosed which comprises a plurality of cell rows each including a plurality of standard cells, signal connection cells provided one at each of the cell rows and located on one straight line across that cell r... | 11/28/1989 |
| 4884113 | Double-diffused, insulated-gate, field effect transistor A double-diffused insulated-gate field effect transistor is disclosed having impurity regions each acting as a channel base region and depletion layer preventing regions having a high concentration impurity and being of a conductivity type opposite to tha... | 11/28/1989 |
| 4812855 | Dipole antenna with parasitic elements A dipole antenna system includes a driven dipole element and two parallel parasitic dipole elements equally spaced from the driven dipole element. Dual polarization can also be achieved by using two such systems arranged orthogonally.... | 03/14/1989 |
| 4800640 | Automated assembly system and method of assembly An automated assembly system comprising a pair of spaced supporting frames on which a corresponding pair of guide rails extend transversely in a direction perpendicular to the direction of conveyance of a workpiece. Two movable arm units, each having tool... | 01/31/1989 |
| 4795919 | Zero signal state detecting circuit This invention provides a zero signal state detecting circuit for detecting zero signal state of the signal in an optical receiver or optical repeater. The zero signal state detecting circuit in accordance with the present invention comprises a level shif... | 01/03/1989 |
| 4791601 | Parallel multiplier with a modified booth algorithm A parallel multiplicator including adder circuits based on Booth's algorithm is disclosed. All of the adders of a plurality of rows are constructed based on the carry save system. When the negative partial-product signal is input, the "2's complement" gen... | 12/13/1988 |
| 4790202 | Drive apparatus for power seats An apparatus for driving a power seat in an automotive vehicle includes a worm threadedly engaged with a worm wheel accommodated in a housing and receiving driving power, a plug supporting one end of the worm, a screw threadedly engaged with the housing f... | 12/13/1988 |
| 4789223 | Matrix-addressed liquid crystal display device with compensation for potential shift of pixel electrodes A matrix-addressed liquid crystal display device is constructed of a pair of substrates facing each other with liquid crystal cells arranged in n rows and m columns on one of the substrates. Switches included in each cell comprise field effect transistors... | 12/06/1988 |
| 4789892 | Color adjusting device including matrix-masking circuitry Color adjustment factors are set according to the color separation signals of an original picture and factors for each separation signal set equal to the absolute value of the sum of the factors corresponding to the other separation signals but of opposit... | 12/06/1988 |
| 4788508 | Pop noise suppression circuit for audio amplifier In an audio amplifier, a ripple removing filter capacitor is connected to a ripple terminal, and a negative feedback capacitor is connected to a negative feedback terminal. A pop noise suppression circuit of the amplifier has a forcible discharging circui... | 11/29/1988 |
| 4785523 | Method of manufacturing a composite member of metal plates and synthetic resin A method of manufacturing a composite member composed of metal plates and synthetic resin, and more particularly to a method of manufacturing such a member in which bending and drawing can be carried out on the member simultaneously.... | 11/22/1988 |
| 4783795 | X-ray generator system An X-ray generator system has first and second switching devices such as transistors which are complementarily turned on and off to intermittently apply a DC voltage to the primary winding of a transformer for thereby inducing a high voltage across second... | 11/08/1988 |
| 4782486 | Self-testing memory A self-testing memory simultaneously writes test patterns into the memory banks of the memory, simultaneously compares the contents of one of the memory banks with the contents of the other of the banks, and records errors when the contents of the one mem... | 11/01/1988 |
| 4782030 | Method of manufacturing bipolar semiconductor device A laminated film made of a first insulating film and a second insulating film having a selectivity of etching condition to the first insulating film is selectively formed on a first conductivity type semiconductor substrate to use the substrate under the ... | 11/01/1988 |
| 4779261 | Loop network The present invention relates to a loop network arranged by loop-connecting a control station and a number of substations through a main transmission path where at least one of the substations comprises a branch station inserting and coupling another stat... | 10/18/1988 |
| 4779014 | BiCMOS logic circuit with additional drive to the pull-down bipolar output transistor A logic circuit comprises at least one signal input terminal, an output terminal, an output circuit including a first bipolar transistor coupled between the output terminal and a reference potential terminal, to discharge the output terminal, and an MOS t... | 10/18/1988 |
| 4778817 | Naphthyl imidazolyl compounds and pharmaceutical compositions Compounds of the formula I ##STR1## in which R1, R2 and Y have the indicated meanings, their physiologically tolerated acid addition salts, and a process for the preparation of these compounds are described. The compounds inhibi... | 10/18/1988 |
| 4778743 | Method for processing light-sensitive silver halide color photographic material using a washing solution substitute Disclosed is a method for processing a light-sensitive silver halide color photographic material, which comprises including at least the step of color developing, the step of processing with a liquor having fixing ability and the step of processing with a... | 10/18/1988 |
| 4777536 | Thermal printing device A printing device in which pulses corresponding in number to gradations to be visibly expressed are applied to the heat generating elements of a thermal had in such a manner that the heat generating elements are controlled in heat generation time. Image d... | 10/11/1988 |
| 4776120 | Display device for telephone or a similar electric appliance In a display device employable for telephone or the like electric appliance, a light permeable member with information carried thereon includes a first reflective portion at which a light beam emitted from a light source is reflected in the light permeabl... | 10/11/1988 |
