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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 5170795 | Oscillometric blood pressure monitor and method employing non-uniform pressure decrementing steps A blood pressure cuff is applied about a subject's artery, and inflated above the systolic level thus fully occluding the artery for a full heart cycle. The cuff pressure is thereafter reduced to permit an increasing flow through the progressively less oc... | 12/15/1992 |
| 5115394 | Dual energy computerized tomography system A dual energy method for CT scanning. Scanning is carried out at low and high energy levels, S2 and S1 respectively, each at a preselected dose level. Detected electronic signals (I2,I1) are digitized. A look up... | 05/19/1992 |
| 5052397 | Oscillometric blood pressure monitor employing non-uniform pressure decrementing steps The deflation of the inflatable and deflatable cuff worn by a subject during automatic sphygmomanometric measurement is accomplished in unequal size decrements and principally in larger steps than 7 Torr. Each step after detection of the initial oscillati... | 10/01/1991 |
| 4958280 | Apparatus and method for satisfying disposable contact lens prescriptions Systems and methods are provided for the accurate, ongoing filling of prescriptions for disposable contact lenses. In a preferred system, a central ordering/inventory computer is associated with satellite PCs at which attending eye care professionals can ... | 09/18/1990 |
| 4808826 | Smooth dot density spatial distortion correction in photon imaging devices In scintillation cameras, spatial or linearity correction is accomplished utilizing a weighted average of correction vectors in the region of the apparent location of scintillation events. Such vectors are developed in a calibration step using a pinhole o... | 02/28/1989 |
| 4754761 | Automated mean arterial blood pressure monitor with data enhancement A blood pressure cuff is applied about a subject's artery, and inflated above the systolic level thus fully occluding the artery for a full heart cycle. The cuff pressure is thereafter reduced to permit an increasing flow through the progressively less oc... | 07/05/1988 |
| 4688892 | Hollow waveguides having disparate dielectric overcoatings A hollow waveguide has a rectangular or square internal cross-section, with all internal surfaces coated with a reflecting metal such as silver. One pair of opposing surfaces is dielectric overcoated of a thickness less than half the quarter wave thicknes... | 08/25/1987 |
| 4688893 | Hollow waveguide having plural layer dielectric A hollow waveguide has an inner reflective layer such as silver, overcoated with plural layers of dielectric. Preferably three dielectric layers are used, with the inner two having quarter wave thickness, and the outer one having one half on one and one h... | 08/25/1987 |
| 4665553 | Methods and apparatus for analysis of particles and cells Samples are prepared and applied to a cuvette, and the cuvette is translated in a given direction. Laser light is coupled to the sample through a Bragg cell, which causes the beam to scan the sample transversely to the given direction. Select optical para... | 05/12/1987 |
| 4652083 | Hollow waveguide A flexible hollow waveguide has an optically smooth, rectangular cross section internal channel, in which reflecting metal is overcoated with a ThF4 or ZnSe dielectric approximately one-half of the quarter wave thickness. CO2 laser p... | 03/24/1987 |
| 4638810 | Automated diastolic blood pressure monitor with data enhancement A blood pressure cuff is applied about a subject's artery, and inflated above the systolic level thus fully occluding the artery for a full heart cycle. The cuff pressure is thereafter reduced to permit an increasing flow through the progressively less oc... | 01/27/1987 |
| 4627440 | Sphygmomanometric cuff pressurizing system An inflatable, deflatable cuff, worn by the subject, is coupled to an air reservoir which is at a predetermined pressure which is above systolic pressure. The pressure head is established by a pump mechanism preferably located within the reservoir. When t... | 12/09/1986 |
| 4596464 | Screening method for red cell abnormality Red cell samples are passed through a zone of focused illumination, and a scatter vs. time pulse is obtained for each. Each pulse is analyzed for pulse width, pulse area, and pulse shape. These parameters are respectively collected, and three coefficients... | 06/24/1986 |
| 4577964 | Apparatus and method for detecting platelets in whole blood A diluted whole blood sample is hydrodynamically focused to a given point. A light beam is transversely focused on the same point and the principles of dark field microscopy are utilized, detecting scattered light and thereby discriminating platelets from... | 03/25/1986 |
| 4577340 | High vacuum rotating anode X-ray tube An all metal and ceramic high vacuum rotary anode X-ray tube adapted for mounting on a gantry of a rotational type CT scanner. The evacuated region where X-rays are generated is maintained at about 10-7 Torr. Vacuum sealing about the rotating s... | 03/18/1986 |
| 4546778 | Moisture detector for respiratory monitoring systems A system for monitoring patient respiration include a disposable, convenient moisture detection device. The device is minimally intrusive to the laminar flow of gases and has minimal liquid collection volumes. It is characterized by high sensitivity at ra... | 10/15/1985 |
| 4546775 | Detection of blood pressure complexes in automated vital signs monitors A blood pressure cuff is applied to the patient, pumped to a pressure above systolic, and then is reduced in pressure decrements. At each decrement, complexes are detected by investigating the signal slope, and peaks of the complexes are measured and comp... | 10/15/1985 |
| 4543962 | Method of automated blood pressure detection A pressure cuff on the patient is inflated to a predetermined pressure above systolic, and then is deflated incrementally. At each decrement, oscillatory complexes are detected, and respective peaks are compared and evaluated as "true" complexes if they a... | 10/01/1985 |
| 4533456 | Oxygen sensor for rapid blood gas analysis In systems for rapid sequential analysis of fluid samples, such as blood samples, an electrochemical sensor is capable of equally rapid, sequential sample response by avoiding the need for equilibration during the measuring phase, and by substantially rep... | 08/06/1985 |
| 4501280 | Automatic identification of cuff size in automated blood pressure monitors Automated blood pressure monitors utilizing a pressurized cuff are adapted automatically to work with a variety of cuff sizes, including neonatal. An acoustical pressure pulse is generated at the monitor, propagated to and through the cuff, and back to a ... | 02/26/1985 |
| 4490439 | Superconductor with improved persistence characteristics In a multifilamentary superconductor, plural filaments are separated from one another by a ductile nonsuperconducting copper matrix. The niobium titanium filaments are arrayed through the copper, with one filament being substantially larger than the other... | 12/25/1984 |
| 4486292 | Support and anchoring mechanism for membranes in selectively responsive field effect devices In the formation of a chemically sensitive field effect device, prior to formation of the gate membrane, an aluminum pad is disposed over the gate, and a polyimide layer is disposed thereover. Photoresist and etching steps produce openings in the polyimid... | 12/04/1984 |
| 4466879 | Polarographic oxygen sensor A polarographic sensor for blood oxygen monitoring is defined by respective anode and cathode electrode wires fixedly maintained in conventional fashion. The end cross sections of the wires are carried on a surface, and overlying this surface is a capilla... | 08/21/1984 |
| 4464177 | Differential pressure device for accelerated catheter flashback A pair of compressible, hinged opposing arms enclose a bladder chamber, which in turn is coupled to the catheter. As the arms are compressed together, successive pivot fulcra close, in turn first pinching and closing, and then opening the bladder to creat... | 08/07/1984 |
| 4464123 | Arm simulator for an oscillometric blood pressure monitor A device for simulating the pressure readings obtained from the arm of a living subject whose blood pressure levels are being determined by an oscillometric blood pressure monitor, includes a pulse pressure chamber for generating pressure pulses at a rate... | 08/07/1984 |
| 4461266 | Adaptive incremental blood pressure monitor An adaptive monitor and method for rapidly determining blood pressure, selects an initial cuff pressure to be applied to an artery of the test subject and then measures the amplitude of pressure pulses caused by the pumping of blood by the subject's heart... | 07/24/1984 |
| 4456522 | Support and anchoring mechanism for membranes in selectively responsive field effect devices In the formation of a chemically sensitive field effect device, prior to formation of the gate membrane, an aluminum pad is disposed over the gate, and a polyimide layer is disposed thereover. Photoresist and etching steps produce openings in the polyimid... | 06/26/1984 |
| 4449011 | Method and apparatus for encapsulation of chemically sensitive field effect device Semiconductor chips carrying chemically sensitive field effect devices are encapsulated by tape automated bonding techniques, wherein one tape layer has a beam lead pattern disposed thereon which terminates in the chip bonding pad pattern over an opening ... | 05/15/1984 |
| 4407298 | Connector for thermodilution catheter A thermodilution catheter assembly for use in determining cardiac output includes a special connector for joining the catheter to the output computer. Catheter size indicator links housed in the connector automatically communicate the size of the catheter... | 10/04/1983 |
| 4403514 | Pneumotachograph with pitot-like tubes A pneumotachograph including a housing having first and second ports which, during the course of respiration, alternate as input and output ports and which provide a path for generally linear flow of the respiratory gases. A pair of pitot tubes are dispos... | 09/13/1983 |
| 4393130 | System for encapsulation of semiconductor chips A system for encapsulating semiconductor chips, such as chips carrying chemical sensitive field-effect devices, includes lamination of a sheet of dry film photoresist material onto the surface of the chip, placement of a photomask over the chip in a prede... | 07/12/1983 |
| 4381787 | Ultrasound imaging system combining static B-scan and real-time sector scanning capability A standard articulated B-scan arm provides positional and directional information for a transducer at its end, based on relative angular displacements of the separate arm segments. A real time scanner, preferably one having a fixed transducer and a fixed ... | 05/03/1983 |
| 4360029 | Automatic mean blood pressure reading device An apparatus for producing information indicative of the mean blood pressure of a living creature through indirect measurement comprising an inflatable cuff, a pump connected to the cuff, a deflating valve connected to the cuff, measuring apparatus connec... | 11/23/1982 |
| 4349034 | Automatic mean blood pressure reading device A method for producing information indicative of the mean blood pressure of a living creature through indirect measurement, practiced in a system comprising an inflatable cuff, a pump connected to the cuff, a deflating valve connected to the cuff, measuri... | 09/14/1982 |
| 4345847 | Automatic brake sequencing for overhead support arm assemblies A roller-switch and cam, located at an intermediary joint of a plural arm overhead assembly, delays the unlocking of a brake at a next adjacent joint until the joint at which the cam and switch are located has diverged a predetermined angle from alignment... | 08/24/1982 |
| 4338951 | Magnetically coupled isolation interface circuit A pair of toroidally wound cores are maintained in a generally parallel, vertical, spaced apart relationship by a tubular insulating member passing through the toroid centers. The tubular member insulates the windings from a coupling loop which passes thr... | 07/13/1982 |
| 4338174 | Electrochemical sensor with temperature compensation means A disposable gas sensor, such as for monitoring pO2 in blood or administered gases, includes a housing, a passageway therein for blood or gas, a membrane-anode-cathode polarographic assembly, and a temperature sensing element. The temperature s... | 07/06/1982 |
| 4331157 | Mutually noninterfering transcutaneous nerve stimulation and patient monitoring Transcutaneous electrical nerve stimulation is applied to the patient, as though electrocardiograph monitoring is not being practiced. The EKG signals are preprocessed through a selective sample and hold module, which performs amplification, comparison wi... | 05/25/1982 |
| 4330874 | Mechanical sector scanner head and power train A curved faced, disc shaped transducer and an oppositely facing, circular angularly disposed mirror form the transmission and reception path of a mechanical sector scan imaging system. The transducer and mirror are mounted on a common axis, and a shaft up... | 05/18/1982 |
| 4325706 | Automated detection of platelets and reticulocytes in whole blood A sample of whole blood is stained with an acridine orange reagent, and is analyzed rapidly, a cell at a time, in a flow cytometry system having a sample stream dimension in the range of expected red cell dimensions. Red florescence and forward scatter da... | 04/20/1982 |
