Quotables
"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 |
| 5225876 | Range finding camera The camera includes two functionally equivalent line and field scanners, one for issuing a light pulse that will be returned by an object point, and identified by a particular line/field scanning position in both scanners; the second scanner being attuned... | 07/06/1993 |
| 5217553 | Method for making heat recoverable product Central is a nonstretchable, high strength thread that extends transverse to stretching, either of individual heat recoverable strands or of an embedding layer. The thread is either placed across plural heat recoverable strands, or plural threads are indi... | 06/08/1993 |
| 5198626 | Heat protective, sound permeable lining An aluminum lining in combination with a sound absorbing object such as a fleece and for protection against thermal load, has a double corrugated contour resulting in pyramids and being perforated in specific locations such as the peaks, along the edges o... | 03/30/1993 |
| 5195837 | Cooling device for an electric printer, particularly matrix printer A matrix printer includes a plurality of components, an outer casing and a frame. A flexible ribbon is provided which connects a component with either the frame or casing in order to conduct heat awau from the component; the ribbon is compressed at its po... | 03/23/1993 |
| 5183377 | Guiding a robot in an array A two-dimensional mounting structure for an industrial robot or robot manipulator on a carriage with a lifting post and a manipulator connected to the post, the mounting structure includes longitudinal rail carriers, transverse connectors and a movable ra... | 02/02/1993 |
| 5178136 | Lithotripter including a safety device A medical treatment station which includes a medical treatment device such as a lithotripter including a liquid filled rotational ellipsoid as shockwave focussing chamber with a circular periphery and boundary and a liquid filled cushion e.g. bellows for ... | 01/12/1993 |
| 5174157 | Pressure transducer A pressure transducer including a rotationally symmetrical pressure sensor made of a ceramic material and having a front face configured as a membrane, further having a housing for and containing the pressure sensor, the housing having a rotationally symm... | 12/29/1992 |
| 5174664 | Armature with angled bore for print needle fastening A matrix printhead having a plurality of electromagnetic drives arranged in a cluster including a plurality of drive elements further having a plurality of reciprocating print needles, wires or styli, includes additionally a fastening structure for each o... | 12/29/1992 |
| 5174280 | Shockwave source A shockwave source and generating device includes a ring shaped or cylindrical wave generator having a central axis for radiating shockwaves in an axial direction or radially towards a parabolic reflector so that any yet unreflected radiation from the gen... | 12/29/1992 |
| 5163601 | Making a measuring chamber A method for making a gas chamber for photometric measuring equipment comprises providing a metal frame with recesses on opposite sides establishing a web and at least one opening in the web and having solder surface areas; providing at least two calcium ... | 11/17/1992 |
| 5161923 | Clamping of workpieces A machine tool is received in a structure that is carried along with the tool and has a sleeve extension which will be received in a tapered element with radially spreadibly tongues having end beads which will lodge behind a shoulder in teplate thereby po... | 11/10/1992 |
| 5160151 | Self centering chuck A self-centering chuck includes a plurality of centering and clamping slides disposed for slide movement to or from a common center, drive slides are associated with the centering and clamping slides, the latter having parallel or slightly oblique orienta... | 11/03/1992 |
| 5158072 | Apparatus for coupling shock waves into the body for contactless comminution of concrements A liquid filled shock wave generator is coupled to the body of the patient by utilizing of an integral water filled cushion having a membrane which engages skin of the patient for purposes of contactless lithotripsy whereby a second separate cushion is pr... | 10/27/1992 |
| 5158308 | Device for clampingly centering A centering and clamping device is provided which comprises a plurality of rod elements, a plurality of clamping slides and reversing and non-reversing transmission elements between the rod elements and clamping slides to convert motion of the rod element... | 10/27/1992 |
| 5152289 | Transducer kinematics in lithotripters A lithotripter includes a therapeutic head provided with a source for focusing shockwaves in a focal point on a first axis; an ultrasonic transducer having an axis for imaging an area in a patient in which shockwaves are to be focussed is connected to the... | 10/06/1992 |
| 5146912 | Variable energy shock wave production An arrangement for the comminution of concrements of various kinds in the body of living being, uses an underwater or submerged arc gap with spark discharge, and an electrical energizing circuitry for that arc gap, a plurality of electrode assemblies from... | 09/15/1992 |
| 5144990 | Switch in overhung rail systems The switch is of universal construction to accomodate different rail patterns, and includes a parallelogram shaped turn over plate having three corners affixed to stationary rails and journalling rollers for a motor driven switch frame which carries a cur... | 09/08/1992 |
| 5142823 | Swinging-sliding door for vehicles A swinging-sliding door for vehicles, particularly for passenger vehicles, includes two door leaves positioned outside and within the wall of the vehicle in a closed state. For the door, a driving device for operating the door leaves includes pivotable, r... | 09/01/1992 |
| 5143696 | Selective gas sensor A sensor for selective determination of gases includes an electric capacitor having a gas permeable zeolite layer between 2 and 500 micrometer thick and being composed of a dielectric crystalline structure with a crystal size from 0.1 micrometer to 80 mic... | 09/01/1992 |
| 5141812 | Heat recoverable product Central is a nonstretchable, high strength thread that extends transverse to stretching, either of individual heat recoverable strands or of an embedding layer. The thread is either placed across plural heat recoverable strands, or plural threads are indi... | 08/25/1992 |
| 5138806 | Protection of wooden posts and masts A wooden post of mast which has been or is going to be sunk into the ground, is protected particularly in the transition zone between soil and outer atmosphere, by synthetic ribbon shrunken onto the wooden post carrying between it and the wood, upper and ... | 08/18/1992 |
| 5137014 | Coil for lithotripter A lithotripter for the contactless comminution of concrements in living beings includes a flat coil cooperating with a juxtaposed membrane which upon energization of the coil produces shockwaves in an adjacent liquid, the liquid being in contact with the ... | 08/11/1992 |
| 5138248 | Load independent current feeding circuit A circuit having a load connected to ground, a measuring resistor connected in series with the load; a current source feeding current into the load and the resistor, a different amplifier having one output connected to one end of the resistor and having i... | 08/11/1992 |
| 5136297 | Method for navigation and updating of navigation for aircraft A method of using a method for navigating and updating of navigation for aircract under utilization of sensor image processing and reference store data, for purposes of automatic or assisted landing is disclosed.... | 08/04/1992 |
| 5133338 | Medical lithotripsy work station A medical work station has a central post; a vertically adjustable and pivotable mount on the post; a multi part rest having a head portion which is mounted to the mount for the rest to extend in various horizontal positions from the post; an X-ray statio... | 07/28/1992 |
| 5129265 | Multidirectional force sensor A force sensor in the integral/monolithic comprises a monolithic block of elastic material which includes a first, second and third plate; a first pair of leaf spring integrally interconnecting the first and second plate, so that the first and second plat... | 07/14/1992 |
| 5125253 | Cold pilgrim rolling A method of making tubing includes cold pilgrim step rolling wherein particularly a frame moves back and fourth carrying tapering rolls which roll in alternating directions upon the stock to be rolled whereby in addition a cylindrical mandrel is provided ... | 06/30/1992 |
| 5119801 | Piezoelectric shock wave generator A piezoelectric shock wave generator for use in medical equipment includes a plurality of piezoelectric elements being electrically interconnected to operate in parallel and mounted on a common carrier of curved configuration; a coupler medium couples sho... | 06/09/1992 |
| 5113191 | Radar signal progessing A sensing circuit is assumed to produce in phase and quadrature Doppler signals. The relative phase of these signals is used to determine the passage of object such that correctly related zero passages in the two signals are counted, and the count state w... | 05/12/1992 |
| 5110406 | Manipulating liquid under condition of weightlessness Apparatus and method for handling liquid under conditions of weightlessness or near weightlessness includes a small tube being open at one end and closed at the other end except for a passage; normally the open end sits on an elastic nonwetting seal; the ... | 05/05/1992 |
| 5107750 | Feeding ammunition Device for feeding ammunition to an aircraft firing gun, without using belts includes an ammunition container having a plurality of partitions to establish a plurality of different levels; a pair of endless chains being interconnected and run over at leas... | 04/28/1992 |
| 5109459 | Fiber optic scanner A fiber optic scanner includes two fiber bundles, each transforming a linear array into a circular one. The circularly arranged bundle ends cooperate with synchronously rotating deflectors which, in conjunction with single line fiber optics couple a defle... | 04/28/1992 |
| 5109450 | Positioning optical waveguides and fiber optic elements Optical waveguide ends are mechanically fixedly positioned so that an end portion projects from the clamp; electrode structure is disposed in relation to that projecting end for deflecting it in one or two directions basically perpendicular to the axis of... | 04/28/1992 |
| 5106592 | Manipulating liquids for growing crystals in outer space The invention relates to the careful manipulation of liquids in outer space for purposes of growing crystals, particularly protein crystals. The invention is realized in the hanging drop method; the interface diffusion method and the dialysis method.... | 04/21/1992 |
| 5100081 | Aircraft control system An aircraft having a wing with trailing edge control flaps and with upwardly extending winglets at the outer wind ends, the winglets being provided with rudder surfaces, the craft has the usual control stick and left and right foot pedals, is improved by ... | 03/31/1992 |
| 5098209 | Driving a printhead carriage in a printer The drive includes a cable attached to opposite sides of the print head carrying carriage, looping on one side in several loops around a drive drum, and on the other side around a deflection pulley. The deflection pulley is mounted on a spring-biased pivo... | 03/24/1992 |
| 5092192 | Sound attenuation in wheels A device for attenuating sound in and of wheels, the wheel having a rim portion, a hub, and a web in between, there being a radially inwardly oriented flange surface, is improved by an attenuating layer on or in a groove of the flange surface, possibly wi... | 03/03/1992 |
| 5090288 | Enclosure for liquid jet cutter An enclosure for housing and operating liquid jet cutters includes concrete, U-shaped upside down positioned modules interconnected where needed and possibly having one end (or both) closed by concrete front plates that permitted the passage of work piece... | 02/25/1992 |
| 5088313 | Monitoring pressure interference in gas analyzers Apparatus for monitoring and correcting gas analyzers having a measuring chamber with an inlet and an outlet, and a pump for supplying a pressurized measuring gas, further includes a flow throttle for providing flow resistance and being connected to the o... | 02/18/1992 |
| 5085087 | Sampling corrosive fluid A sampling device for sampling a corrosive medium, is comprised of an inner tube with a flange and an outer tube with a flange, both made of a synthetic material; a metallic tube with flange is interposed between the inner and outer tubes to serve as armo... | 02/04/1992 |
