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"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 5712678 | Method and apparatus for scanning a terrain surface A method and apparatus are disclosed for scanning a surface of an object, transversely to a direction of motion. A scanner is provided for flying over the object at a flight altitude and flight velocity, having a system focal length, a scanning element ro... | 01/27/1998 |
| 5262587 | Clamping element for holding electronic cards The present invention pertains to a clamping element for holding electronic boards inserted in parallel to one another into an electronic rack. The arrangement removes waste heat from the electronic boards to the rack housing by heat conduction and via he... | 11/16/1993 |
| 5252294 | Micromechanical structure A micromechanical structure with cavities, containers, openings, canals, depressions, humps or the like for examinations of sample substances for possible changes of physical and/or chemical properties with targeted evaluation and documentation for the pu... | 10/12/1993 |
| 5251550 | Apparatus with rapid magnetic field compression The invention is directed to apparatus whose weapon efficiency is effected in cooperation via a highly compressed magnetic field, wherein the base magnetic field is maintained or increased beforehand by magnetohydrodynamic generator stages which are opera... | 10/12/1993 |
| 5249359 | Process for manufacturing finely structured bodies such as heat exchangers A method of producing a finely structured body which includes a plurality of stacked, cut sections of foil at least one of which is provided with grooves in a selected groove direction on at least one surface thereof, and which has a plurality of closely ... | 10/05/1993 |
| 5247296 | Device for determination of distances between close-range objects Device for determining distances in the close range (under 100 m), hereby characterized in that both light pulses and high-frequency pulses are transmitted and received and the correct distance is determined in an evaluating device in a simple way and wit... | 09/21/1993 |
| 5246759 | Heat insulating system A thermal insulation system 1, especially for low-temperature containers, formed of at least two multilayer mats 4 and 5, which are made from fiber mats 8 and are separated by a gas-tight film 6. The inner multilayer mat 4 arranged directly on the contain... | 09/21/1993 |
| 5235894 | Firing device A device for firing projectiles (9) through an electrically heated plasma including a combustion chamber (12) which is provided on the breech side and the muzzle side with an electrode each, between which an arc generating plasma burns. A cartridge (18), ... | 08/17/1993 |
| 5216632 | Memory arrangement with a read-out circuit for a static memory cell A memory arrangement that includes a static memory cell with two MOSFETs that are connected such that an input signal for setting the memory cell is applied to one MOSFET, and the output of the other MOSFET is connected to the input of the first MOSFET, s... | 06/01/1993 |
| 5183520 | Explosive charge A pressed explosive charge with high performance capacity and low sensitivity has a plastic binder with a Shore A hardness of less than 20.... | 02/02/1993 |
| 5173614 | Apparatus for triggering a passive safety device A crash sensor is constructed for triggering a passive safety device, such as an air bag or a seat belt tightening device. The crash sensor is capable to distinguish between different types of impacts such as front impacts, rear impacts, side impacts, and... | 12/22/1992 |
| 5157268 | Apparatus for triggering a passive safety device for protecting passengers in a vehicle A passive safety device (62) is triggered for protecting vehicle passengers in the event of a collision. The output signals of a signal acceleration sensor (1) are integrated to form a signal which triggers the deployment of the safety device when a thres... | 10/20/1992 |
| 5152060 | Process for manufacturing fine-structured bodies A method of producing a finely structured body comprised of a plurality of stacked, cut sections of foil at least one of which is provided with grooves. A machinable foil is wrapped around a cylindrical mandrel of a lathe to overlap opposing edges. The ov... | 10/06/1992 |
| 5146292 | Method for self-correction of a fiber gyroscope with a 3×3-coupler The damping of the fiber coil of a fiber gyroscope is automatically corrected or newly determined in a microprocessor by repeating a calculation program in which a previously known damping factor of the fiber coil is replaced by a more recently determined... | 09/08/1992 |
| 5144311 | Apparatus for converting analog signals into digital signals An analog-digital converter having an analog integrator which integrates the difference between the analog input signal and a signal from, for example, a digital-analog converter controlled by a microprocessor, whereby a high resolution and a very high op... | 09/01/1992 |
| 5139605 | Method and apparatus for crystallizing substances dissolved in a liquid at zero-gravity A method for crystallizing substances, which are dissolved in a liquid at zero-gravity. In order to limit the extent of lattice defects occurring in the crystallized monocrystals as much as possible, it is provided, that the liquid during the crystallizat... | 08/18/1992 |
| 5126606 | Electric drive motor, especially for control and regulation purposes Electric drive motor, especially for control and regulation purposes, with a pole and coil arrangement for generating a rotating or linearly advancing armature field, which contains pole-forming segments in a plurality of tracks, staggered over time in th... | 06/30/1992 |
| 5109446 | Opto-electronic correlator including a spiral light waveguide A device for recognizing useful signals, transmitted over a distance and comprising noisy electromagnetic, light signals containing information. A tapped delay line is used for this purpose, whereby a waveguide is manufactured in a spiral groove of a wafe... | 04/28/1992 |
| 5086540 | Support mechanism for room dividers A support mechanism for room dividers is constructed to support room divider curtain rods, for example, to divide an aircraft cabin into several cabin sections. For this purpose a carrier crossbeam is formed of two beam elements hinged to each other in sc... | 02/11/1992 |
| 5086342 | Image sensor with an avalanche diode forming an optical shutter A semiconductor image sensor having a CCD-structure, includes sensor elements arranged in a linear or in a two-dimensional array suitable for a parallel or serial read-out of information. An avalanche diode is arranged between a p-layer and a high resista... | 02/04/1992 |
| 5083724 | Device for controlling aerodynamic bodies A device for controlling aerodynamic bodies with at least one setting member for generating a transversal force on the aerodynamic body. To achieve a simple compact design, setting members are arranged on a rotor where the rotor extends forward from the t... | 01/28/1992 |
| 5080468 | Device for limiting maximum radiation intensity For limiting the maximum radiation intensity of a radiation source, in particular a laser, a transparent breakdown cell (4, 10, 17) with defined breakdown threshold value is placed within the ray path of the radiation source (2, 8, 15).... | 01/14/1992 |
| 5080488 | Method for evaluating signals of a fiber optical gyroscope or Sagnac interferometer A method and system for evaluating signals from a fiber optical gyro employs a 3×3-coupler which makes it possible to ascertain a precise Sagnac-Signal in spite of the fact that the fluctuations of the optical characteristics of the fiber coil are unknow... | 01/14/1992 |
| 5066860 | Optical sensor An optical sensor for detecting targets and determining the characteristic motion of a missile approaching a target. In order to have a simple designed sensor and to provide for a simple transformation of the coordinates of the missile and of the target t... | 11/19/1991 |
| 5065957 | Device for controlling aerodynamic bodies A device for controlling an aerodynamic body having a searching head, a sensor and setting members for exerting a transversal force on the aerodynamic body into a target due to the sensor signals. In order to make possible a simple design of this device w... | 11/19/1991 |
| 5059981 | Arrangement and method for coverting an analog voltage signal to a digital signal utilizing the absolute value of the analog signal An arrangement for integrating an analog voltage signal and for converting it into a corresponding digital signal, whereby during a measuring cycle, the analog signal is fed via a comparator to a counting circuit, which to provide the time-related control... | 10/22/1991 |
| 5052463 | Method for producing a pipe section with an internal heat insulation lining A pipe section, especially an elbow pipe section, is cast to have an internal heat insulation lining so that the pipe section can withstand temperatures up to about 2500° C. The internal heat insulation is first formed as a hollow casting core of carbon ... | 10/01/1991 |
| 5044084 | Angle sensor element A goniometric device for measuring an angle such as the angle of rotation of the steering wheel in a motor vehicle is useful for providing a backlash-free reduction ratio of the angular movement to be measured. For this purpose an elastic torque rod is us... | 09/03/1991 |
| 5042395 | Composite vehicle body having sandwich panels integrally formed with frame parts to form individual body modules which are connected to other body modules to form the vehicle body A rail vehicle body consisting of a support frame and sandwich parts attached thereto having an outer and an inner cover layer and supporting layer glued in between them, comprises, with a view to cost-effective fabrication and above all reduction of asse... | 08/27/1991 |
| 5042752 | Apparatus for controlling the attitude of and stabilizing an elastic body A device is disclosed for regulating a set value and/or for stabilizing elastic objects subject to spin and free to move around their axis of rotation, in particular aircraft and spacecraft. For that purpose, the regulating signals required to regulate th... | 08/27/1991 |
| 5037041 | Cockpit, especially for a helicopter In order to obtain in a cockpit for a helicopter which is provided with a support frame work consisting of hollow profile parts dimensionally stiffly connected to each other and defining the door and window cutouts of the cockpit and an outer covering and... | 08/06/1991 |
| 5037204 | Optical-fiber gyroscope An optical-fiber gyroscope of the Sagnac type having an optical fiber coil and a 3×3 coupler comprising three optically coupled fiber optic guides. A first fiber optic guide of the 3×3 coupler is coupled at one end to a first optical radiation source, w... | 08/06/1991 |
| 5029807 | Solenoid valve A valve for sealing a conduit under pressure has an armature (12) cooperating with two springs, a permanent magnet, and a solenoid coil. The force of the permanent magnet is used to cock a spring and thereby stored primarily as a spring force when the val... | 07/09/1991 |
| 5030518 | Multi-layer thermal insulation, especially for spacecraft A high temperature multi-layer thermal insulation is constructed especially for insulating spacecraft. For this purpose the insulation is formed of a plurality of porous material layers, such as ceramic fiber layers, separated from each other by highly re... | 07/09/1991 |
| 5028755 | Spark erosion machine tool A spark erosion machine tool is equipped with a drive head carrying, at an angle to its moving direction, a plurality of drive slides, with a stationary work piece holder, and with a plurality of movable spark erosion electrode mounting bucks. The drive s... | 07/02/1991 |
| 5028750 | Impact sensor A magnetic impact sensor for motor vehicles with a safety system such as an airbag or belt tensioner for an occupant restraint system, has a circuit breaker arranged in an electrical trigger circuit of the safety system for inflating the airbag or tighten... | 07/02/1991 |
| 5029276 | Circuit arrangement for forming the difference and the sum of two detected signals A circuit arrangement for forming the difference and the sum of two detector signals has two photodetectors connected in back-to-back fashion. The difference signal is provided by a first operational amplifier connected to the junction between the two bac... | 07/02/1991 |
| 5024395 | Stepping mechanism for rotary motions The invention relates to a stepping mechanism for rotary motions with a driven switching wheel (9) which comprises at least one wheel-side stop (10), with an escapement mechanism having at least one pawl (12) which cooperates with said wheel-side stop, an... | 06/18/1991 |
| 5025148 | Laser warning sensor with frequency-coded position information A laser warning sensor having a directional resolution capability based on a pulse frequency encoding of the directions at which laser light beams are received, is equipped with a plurality of light signal delay units. The directional or angular informati... | 06/18/1991 |
| 5023446 | Apparatus for measuring distances with a measuring element operating on an optical basis Distances are measured by a measuring element operating on an optical basis by sensing light reflections caused by the bending in unison of at least two parallel light conductors. The measuring element has two parallel photoconductors of different lengths... | 06/11/1991 |
