Abstract: A windshear guidance system for guiding an aircraft during a microburst windshear is provided. This system includes a time comparison subassembly, an airspeed comparison subassembly and a pitch command subassembly. The pitch command subassembly includes a calibrated air speed source, latch means connected to the calibrated air speed source, switch means connected to the latch means, and a pitch guidance command unit connected to the switch means.

Abstract: An ultrasonic device having a wire sheath for use in removing plaque from a human artery. This ultrasonic device has a wire for removing the plaque, a sheath around the wire for minimizing transverse displacement during cavitation; a handpiece having a portion joined to the wire at one end, and a transducer in the handpiece for vibrating the wire axially. It may also have a pips fitting having an opening for a syringe for fluid under pressure for a passageway between the wire and sheath.

Abstract: A vehicle wind screen light assembly for use on a vehicle disposed in the field of view of the driver. This assembly includes, an auxiliary support member, such as a wind screen or bug deflector, mounted on the vehicle. A plurality of light signal units are supported by the auxiliary support member in a spaced apart arrangement in the field of view of a driver. A wiring subassembly connects the light signal units to respective light signal circuits.

Abstract: A connector assembly having a signal post receptacle subassembly and a ground post receptacle subassembly. The signal post receptacle assembly has a connector shell which is mounted on an electrical assembly chassis, and has an electrical insulation board which is supported by the connector shell, and has a group of signal posts extending through and supported by the electrical insulation board, and having a retainer plate assembly fixedly attaching the electrical insulation board to the connector shell. The ground post receptacle subassembly has a ground post plate mounted on the retainer plate assembly, and has a group of ground posts with each ground post being fixedly connected at one end thereof to the ground post plate. An electrical grounding path extends from each ground post, through the ground post plate, retainer plate assembly, and connector shell, to the electrical assembly chassis.

Abstract: An ultrasonic fluid processing method is provided for cavitation and processing a first fluid with a second fluid in a sonication or cavitation zone. The method is useful for preparation of emulsions for chemical and pharmaceutical applications, to gasify liquids for purification, for chemical reactions, to accelerate chemical and physical reactions, and to suspend fine particles. The method includes the steps of, forming a vibration element having an axis and with an adjacent sonication or cavitation zone, enclosing the element and zone in a sealed cavity having a first fluid passage, forming a second fluid passage coaxially with the vibration element and disposed adjacent to the sonication zone, and forming a third fluid passage coaxially with the vibration element and disposed adjacent to the sonication zone. With this method, problems with the control of proportions and amounts and uniformity of parts of fluids being mixed or processed are avoided.

Abstract: An ultrasonic fluid processing system is provided for cavitation and processing a first fluid with a second fluid in a sonication or cavitation zone. The system, in a preferred embodiment, includes a converter with a power supply, a vibration means connected to the converter and defining at least in part a sonication or cavitation zone and a cell having walls forming a cavity. The cell also has a first inlet means with an inlet opening for providing a first fluid to the cavitaito zone. The cell also has a second inlet means with an inlet opening for simultaneously providing a second fluid to the cavitation zone. The cell has an outlet opening for exit of fluid after processing and cavitation.

Abstract: A multiple sensor system and method for computing position and velocity from data from three or more independent and similar inertial sensor units, which are connected to a computer unit, includes: resolving the data from each sensor unit into a common coordinate system for obtaining a unit position vector and a horizontal velocity vector for each of the three sensor units; comparing in a comparison test each unit position vector with a corresponding unit position vector of a selective prior reading thereof for each of the sensor units; comparing in the comparison test each velocity vector with a corresponding velocity vector of a selective prior reading for each of the sensor units; determining by using a selective comparison process which sensor units pass the comparison tests of the comparisons of each of the sensor units, and computing position and velocity using a first selective computing process if less than three sensor units pass their comparison tests, or computing position and velocity using a seco

Abstract: A lubricating film thickness measuring system and method includes a rolling element bearing having a relatively rotatable electrically insulated inner and outer races forming a raceway therebetween. Rolling elements are movably mounted in the raceway. Apparatus is provided for measuring capacitance across the bearing. The measuring apparatus includes an oscillator circuit and a phase detection circuit and is responsive to a phase angle shift between a first signal going from an oscillator circuit to the bearing and from the bearing to the phase detection circuit, and a second signal received by the phase detection circuit directly from the oscillator circuit. The method involves applying a predetermined electrical signal across the rolling elements and measuring the capacitance across the rolling elements thereby providing a measure of the lubricating film thickness.

Abstract: An in-circuit programming station for a computer and an adapter is provided. This station is used with many printed circuit boards of differing dimensions. This station acts as an interface between a printed circuit board and an in-circuit programming computer. This station also acts to download a program memory into some form of read only memory (ROM) attached to the printed circuit board. The station has an end wall, a platform wall, and an adjustable guide subassembly. The adapter has a connector array. The adjustable guide subassembly has an X-axis and a Y-axis and a Z-axis disposed in quadrature and includes a rail member, first and second adjustable brackets for adjustment parallel to the X-axis, first and second adjustable horizontal members for adjustment parallel to the Y-axis, and first and second adjustable vertical members for adjustment parallel to the Z-axis.

Abstract: An extender board connector is provided for connecting a circuit board card to a motherboard through an extender card for routing signals from the motherboard to the top of the extender for testing the circuit board card. The connector has first and second end portions, each having an integral mounting block with an octogonal slot. The connector also has first and second pins, each having an enlarged end portion and an octogonal middle portion and a grooved end portion with a ring groove. The octogonal middle portion of the pin is received in the octogonal slot of the connector for providing eight positions at each connector or a combination of eight-squared positions or 64 positions. The pin has a snap-on retaining ring received in the pin groove, and has a ring spacer disposed next to the snap-on retaining ring, and has a helical compression spring disposed between the ring spacer and the mounting block.

Abstract: A motor torque control assembly is provided which can automatically adjust the motor torque so that its reaction torque remains substantially constant, and so that the reaction torque is not changed by changes in motor internal variables, such as bearing drag, current loop tolerances, motor drag, speed change, and temperature change. Such assembly includes a motor subassembly and a feedback subassembly. The motor subassembly has torque input signal means, a summer unit, a compensator unit, a current loop unit, a motor unit, and a torque output means. The feedback subassembly has torque output sensing means connected to the torque output means for measuring the reaction torque value and connected to the summer unit for measuring the difference of the reaction torque value from a motor torque value of the torque input signal means.

Abstract: A self test avionics equipment is provided for use on an aircraft as part of a traffic collision avoidance system. The equipment has a radio frequency (RF) section and an integral test system. The RF section has an input/output unit, a transmitter and a receiver. The input/output unit has a local oscillator with a directional coupler, a two-way divider connected to the coupler, and an attenuator connected through a modulator to the coupler. The mixer and two-way divider each have an output coupling connector. The attenuator has an output pin switch connector. The transmitter has a modulator/amplifier portion, a spectrum filter connected to the modulator/amplifier portion, and a harmonic filter connected to the spectral filter. The harmonic filter has an ouput coupling connector. The test system comprises three dirctional coupler circuits and a pin switch circuit.

Abstract: A caging system is used in a magnetic platform which is mounted on a pointing system on a spacecraft. The magnetic platform supports a payload, and provides a frictionless support in all conditions. The caging system clamps the payload in a caged condition and provides a frictionless support in an uncaged condition. The caging system includes a plurality of caging actuators. Each caging actuator has an upper support structure which connects to a snubber member, and has a lower support structure which connects to a first ring and to a coaxial second ring for clamping the snubber member. A cylindrical cam member has a plurality of groove surfaces and the first and second rings respectively have a plurality of cam followers. Clockwise rotation of the cam member urges the rings together. Counterclockwise rotation urges the rings apart. A second, auxiliary caging actuator is provided.

Abstract: An ultrasonic device for applying cavitation force to an unwanted material is provided. The device is particularly useful for removing plaque from a human artery wherein a portion of the device can enter an artery and pass through the artery to the vicinity of the plaque. The device includes a solid wire of titanium material, a transducer, a generator for providing vibration energy via the transducer, and a handpiece enclosing the transducer and having a tapered end portion with an exponential surface of slightly concave profile. The tapered end portion is fixedly connected to an inner end of the wire. For human applications, the wire has an overall length in the range of about 5 inches to 40 inches and has a uniform outer diameter in the range of about from 0.015 inches to 0.040 inches. The device includes a catheter assembly having a catheter tube enclosing the wire and includes a container unit mounted on the tapered end portion of the handpiece.

Abstract: An overriding clutch having a housing, an outer body, and an inner body, wherein the outer body and inner body are rotatable about a clutch axis. The outer body includes a peripheral wall with a radially inner surface and includes an end wall connected to the peripheral wall and to a first shaft portion. The inner body includes an annular wall portion and a second shaft portion connected to the annular wall portion; and has a compression member with a pair of diametrically opposite roller members. The compression member has a center portion and has a pair of enlarged end portions, which are received in a pair of bearing holes in the annular wall portion. The enlarged end portions have a pair of radially outer sides with a respective pair of end bearing surfaces for urging the respective roller members against the radially inner surface by equal and opposite radial forces, for transmitting a torque from the inner body to the outer body.

Abstract: A wire bonding force calibration meter for measuring automatically a force applied thereto and for displaying the value of the force is provided. The meter is particularly useful, in combination with a wire bonding machine, which bonds wires to silicon dice and to hybrid substrate pads by applying a force on the wires. The meter automatically measures the static setup force applied by the machine on the wires, and automatically measures the dynamic bonding force applied by the machine on the wires. The machine is used particularly for bonding wires in a hybrid. The meter overcomes the problem of manual measurement of the static setup force and the problem of not being able to measure the dynamic bonding force.

Abstract: A rotating, conductive, heat transfer device is provided. The device includes an outer race having an axis, an inner race coaxial with the outer race, and a plurality of bearing balls disposed in a radial direction between the inner race and the outer race. The device also includes a plurality of separators disposed alternately in a peripheral direction between the bearing balls. The device has a first track and a second track, supported by the inner race, for supporting the separators. The inner race has a first, fixed, inner ring portion with a first bearing surface, and has a second, separable, inner ring portion with a second bearing surface. The outer race has a third bearing surface, disposed in a radial direction opposite to the first bearing surface. The outer race also has a fourth bearing surface, disposed in a radial direction opposite to the second bearing surface. The first and second and third and fourth bearing surfaces are in contact with a spherical surface of each bearing ball.

Abstract: A space vehicle booster has a lower section and an upper section forming a joint with a seal assembly enclosing a closed cavity. The seal assembly has an upper flange joined to the upper section, and has a lower flange joined to the lower section, and has a collar disposed between the flanges. The flanges are joined by bolts, which slightly compress the collar. The collar has a blind slot, which opens into the closed cavity and which separates an upper collar portion from a lower collar portion. The pressurized gas in the closed cavity urges the upper collar portion against the upper flange and urges the lower collar portion against the lower flange. The collar has an inner pair of "O" rings and an outer pair of "O" rings. Upper and lower chambers are disposed between the "O" rings. A passageway to the chambers has an exterior opening for evacuating the chambers for testing the integrity of the seals prior to launch.

Abstract: A two-degree of freedom, open loop, spring restrained rate gyro apparatus includes a motor mounted in a housing with a conductive device provided for conducting operating voltages into and out of the housing. A shaft is rotatably mounted in the housing and is connected to be driven by the motor. A ring, having a hub, is connected to the shaft. The ring and hub are interconnected by a torsion bar. A stop is connected to the shaft adjacent the ring so as to define an air gap between the ring and the stop. A pair of variable reluctance pickoffs are mounted in the housing adjacent the ring. The pickoffs also define an air gap between each of the pickoffs and the ring. An optical pickoff is also mounted adjacent the ring. A signal processor is connected to the pair of variable reluctance pickoffs and to the optical pickoff for measuring the rate of the gyro.

Abstract: A process of bonding crystalline quartz plates in a plate assembly of a quartz crystal resonator is provided. The plate assembly includes a base plate, a resonator plate, a cover plate, a first silver and indium alloy layer between the base plate and the resonator plate, and a second silver and indium alloy layer between the resonator plate and the cover plate. The process of bonding the plates in the plate assembly includes the steps of depositing in sequence on base plate face and on the cover plate face, a layer of chromium, a layer of silver, and a layer if indium, and also includes the steps of depositing in sequence on two opposite faces of the resonator plate, a layer of chromium, and a layer of silver, and also includes the steps in sequence of sandwiching the resonator plate between the base plate and the cover plate to form a plate assembly, then evacuating the plate assembly, compressing the plate assembly, and heating the plate assembly to about 310 degrees centigrade for several hours.