| Patent Number |
Title Of Patent |
Date Issued |
| 5163065 |
Be coated cathode with high concentration of BeO |
November 10, 1992 |
| A cathode for a laser generator consists of a monolithic body consisting essentially of beryllium and beryllium oxide where the beryllium oxide has a concentration greater than 4%. The monolithic substrate may be comprised of a conductive or nonconductive material. A thin film of berylli |
| 5163049 |
Method for assuring data-string-consistency independent of software |
November 10, 1992 |
| An improved distributed processing system for controlling the transfer of data between a terminal controller and a subsystem is described where the improvement insures wordstring consistency in a manner which is completely transparent to the subscriber subsystem. In particular, data is |
| 5162931 |
Method of manufacturing flat panel backplanes including redundant gate lines and displays made t |
November 10, 1992 |
| Flat panel displays are provided with overlying interconnected and hence redundant bus lines to reduce fatal defects. The redundant, generally row lines are interconnected at least at two locations on a line and can be connected at each pixel to further reduce defects. The redundant row |
| 5162870 |
Substrate for ring laser gyro with nonuniform outer rim |
November 10, 1992 |
| A mirror transducer substrate apparatus for mounting a light reflecting apparatus has outer walls of nonuniform thickness. The substrate apparatus has a mirror side and a driver side, the mirror side includes an optical surface. The optical surface includes a first trepan formed therein |
| 5161729 |
Package to semiconductor chip active interconnect site method |
November 10, 1992 |
| Disclosed is a composition and method for providing conductive electronic component high strength bonding. The composition comprises an effective amount of material which is less than 3% by weight of tin and greater than 97% by weight of lead. The method invention comprises providing a |
| 5161013 |
Data projection system with compensation for nonplanar screen |
November 3, 1992 |
| A data projection system in which a data projector having a data display memory associated therewith projects images to a viewing screen. The system includes a curved or nonplanar viewing screen and computer software effective to provide viewing fidelity by compensating for inaccuracies |
| 5160933 |
Radar altimeter with self-calibration feature |
November 3, 1992 |
| A radar altimeter incorporates circuitry for automatically adjusting altitude readings for variations caused by altitude and temperature changes. Normal target tracking of the radar is intermittently interrupted and a calibration sequence is interjected. The current altitude and rece |
| 5160853 |
Electronic timer switch with time tracker |
November 3, 1992 |
| A programmable timer for turning a light on and off in response to changing sunset, daylight savings time, and other programmable conditions. The programmable timer includes an input device, a microprocessor, and a switch. The input device provides calendar, geographical, and daylight |
| 5159268 |
Rotational position sensor with a Hall effect device and shaped magnet |
October 27, 1992 |
| A Hall Effect device is provided for use as a rotary position sensor in cooperation with a shaped magnet that imposes a magnetic field on the Hall Effect device which is generally linear and proportional to the angular position of the shaped magnet. Two alternative embodiments are descri |
| 5156647 |
Snap-together wedgelock |
October 20, 1992 |
| An improved wedgelock assembly for retaining printed wiring boards in a device. The snap-together wedgelock assembly is made up of a screw assembly and a main wedge. The main wedge having fingers for retaining the screw assembly in place. |
| 5156052 |
Ribbed and bossed pressure transducer |
October 20, 1992 |
| A pressure transducer having means for improving the linearity and sensitivity of an output signal from the pressure transducer. Ribs and bosses are introduced in the diaphragm region to collect the moments caused by a difference in pressure on the two sides of the diaphragm and thus |
| 5155469 |
Wireless alarm system |
October 13, 1992 |
| In a wireless alarm system an arrangement for increasing the reliability that messages will be received is provided. Each transmitter transmits an alarm message a plurality of times with delays between the messages. Successive delay times are of different duration to increase the lik |
| 5155308 |
Inclination sensitive switch |
October 13, 1992 |
| An inclination sensitive switch is provided which incorporates a support member that has a device attached to it which can serve as a fulcrum point. A lever is supported by the support member at the fulcrum point in such a way that the lever can operate as a pivotal beam which is rotatab |
| 5154226 |
Automatic changeover thermostat with single bi-metal and common set lever having individual heat |
October 13, 1992 |
| A single bimetal automatic changeover thermostat has heating, cooling and changeover switches mounted to the bimetal. A single control point adjustment lever for rotating the bimetal has separate shaped heat and cool set point indicators which are movable along a temperature scale. |
| 5153532 |
Noise generator using combined outputs of two pseudo-random sequence generators |
October 6, 1992 |
| The pseudo-random-bit sequence generators are clocked by separate clock signals of different frequency. The two pseudo-random-bit sequence generator outputs are logically combined by an exclusive-or gate to provide a pseudo-random-bit sequence generator which, when converted to analo |
| 5151854 |
Integrated low voltage detect and watchdog circuit |
September 29, 1992 |
| A low voltage monitor and microcontroller output monitoring circuit for insuring proper operation of a microcontroller in a furnace control system. A switch connected to a reset port of the microcontroller is capable of putting either a high or low voltage signal at the reset port. A |
| 5151591 |
Asynchronous signal interrogation circuit for an detection apparatus |
September 29, 1992 |
| An asynchronous photodetector circuit is provided to interrogate incoming signals and determine whether the frequency of those incoming signal pulses is acceptable. The circuitry of the present invention permits a series of incoming pulses to be interrogated to determine whether the |
| 5150235 |
Apparatus for improving the angle of view in a liquid crystal display |
September 22, 1992 |
| In a polychromatic liquid crystal display, apparatus and method for improving the off-axis viewing characteristics are described. The angle of view can be expanded by appropriate selection of the thickness and the birefringence parameter of the liquid crystal material as a function of |
| 5150125 |
High Doppler rate, high altitude capability coherent pulse Doppler radar altimeter |
September 22, 1992 |
| A pulse Doppler radar altimeter designed to resolve the ambiguous range problem associated with the use of a pulse repetition interval, which is less than the aircraft altitude, includes a radar transmitter configured to transmit first and second series of pulses where the first series h |
| 5148508 |
Optical coupler housing |
September 15, 1992 |
| The present invention relates to a housing for an optical coupler. The housing includes a primary protective body having a receiving space therein, wherein the coupled portion of the coupler is positioned. A support material at least partially about the coupled portion of the coupler |
| 5148303 |
Delay line fiber optic sensor |
September 15, 1992 |
| A fiber optic sensing apparatus is provided to measure the relative reflections of two temporarily displaced signals. One of the signals is a reference signal and the other signal represents the magnitude of a sensed variable. A reference mirror is disposed at a preselected position alon |
| 5148236 |
Demodulation reference signal source |
September 15, 1992 |
| An information retrieval system for extracting information from a pair of substantially coherent electromagnetic waves represented by phase differences therebetween each of which is incident on a photodetector, and having a demodulator which receives the photodetector output signal and |
| 5148076 |
Apparatus for thermal tuning of path length control drivers |
September 15, 1992 |
| A path length control driver apparatus includes a base plate having a first central member having first and second opposite ends, a first outer rim membr and a first flexible annular diaphragm area having first and second opposite sides. The first flexible annular diaphragm area is betwe |
| 5147739 |
High energy electrochemical cell having composite solid-state anode |
September 15, 1992 |
| Composite anodes are disclosed which consist of composites comprising lithium or lithium anode substrate in combination with one or more lithium insertion compounds consisting of transition metal chalcogenides or oxides as a coating or dispersion. Both primary and secondary cells utilizi |
| 5146401 |
Apparatus for providing a universal interface in a process control system |
September 8, 1992 |
| A plant control system includes a plant control network for performing the overall supervision of a process being controlled. The plant control network has at least one external bus for operatively connecting a corresponding interface apparatus to the plant control network. Further, |
| 5146304 |
Self-aligned semiconductor device |
September 8, 1992 |
| A method of forming a self-aligned contact to a transistor component located on a semiconductor substrate comprising forming a transistor component opening in a masking layer overlying a semiconductor substrate and using epitaxial lateral overgrowth to form a self-aligned contact, the |
| 5144685 |
Landmark recognition for autonomous mobile robots |
September 1, 1992 |
| A dynamic model matching for landmark recognition wherein the model generation and matching process changes as a function of range to the landmark and of perspective as sensed from a mobile platform. |
| 5144468 |
Mixing interferometer used as a communications link |
September 1, 1992 |
| An interferometer, such as a fiberoptic Mach-Zehnder type, is equipped at a transmission end of the system with a phase modulator driven by a data-input signal to be transmitted; and at a reception end with another phase modulator driven by a large reference signal. Nonlinear dependence |
| 5144309 |
Analog-to-digital converter to be used along with a resistive sensor |
September 1, 1992 |
| An analog to digital converter used along with a variable resistive sensing means utilizes the capabilities of a microprocessor to charge and discharge a capacitor. The time required for this capacitor to discharge is dependent upon the value of the variable resistive sensing means. |
| 5142931 |
3 degree of freedom hand controller |
September 1, 1992 |
| A hand controller which includes a hand grip having therein a gimble mechanism for allowing rotatory motion about three axes which intersect in the interior of the hand grip and from which motion transmitting members allow the motions about the three axes to be transmitted to remote pick |
| 5142912 |
Semiconductor pressure sensor |
September 1, 1992 |
| Pressure sensor having a silicon diaphragm chip. The diaphragm in the chip is less than 200 mils in diameter and has an ultrasonic resonant frequency that varies with pressure exerted on it. The chip has resistors with values that change with fluctuation of the chip. The changing resisto |
| 5142470 |
Method of maintaining synchronization of a free-running secondary processor |
August 25, 1992 |
| Data bases of a first and second input output processor (IOP), which are primary and secondary slave IOPs, respectively, are sychronized, and communications by a master controller is made only to the first IOP. Each IOP is executing the same tasks utilizing their own clocking systems. A |
| 5141816 |
Composite structure of a first heat curable rubber polymer material and a second heat curable ru |
August 25, 1992 |
| A method of molding articles having layers or sections of varying hardness in which the interface between the diverse hardness consists of a permanent homogeneous intermaterial crosslink and therefore continuous chemical bond. The invention contemplates using combinations of selected |
| 5140549 |
Inductively sensed magnetic memory |
August 18, 1992 |
| A magnetic thin-film memory in a monolithic integrated circuit using inductive sensing of the memory states occurring therein. |
| 5140530 |
Genetic algorithm synthesis of neural networks |
August 18, 1992 |
| The disclosure relates to the use of genetic learning techniques to evolve neural network architectures for specific applications in which a general representation of neural network architecture is linked with a genetic learning strategy to create a very flexible environment for the |
| 5140496 |
Direct microcircuit decoupling |
August 18, 1992 |
| A decoupling apparatus for a microcircuit provides for a custom capacitor to be placed directly on the passivated upper surface of the integrated circuit or alternatively to be placed directly under the integrated circuit.In another alternative, multiple standard chip capacitors are plac |
| 5140262 |
Geartooth sensor with a centerline in nonintersecting relation with a center of rotation of a ro |
August 18, 1992 |
| An off axis geartooth sensor is provided with a center line of the sensor disposed along a line which is not coincident with the center of rotation of the rotatable member to be sensed. Instead, the center line of the housing in which a Hall Effect element is disposed is positioned at a |
| 5139610 |
Method of making a surface etched shadow mask |
August 18, 1992 |
| A scratch reducing shadow mask for providing vapor deposition patterns of bonding metals onto a surface of a die. The shadow mask comprises a top surface and a bottom surface which define a plurality of vias for permitting vaporized bonding metals to pass through the mask. Mask bottom |
| 5138842 |
Air handling system utilizing direct expansion cooling |
August 18, 1992 |
| A system for controlling the operation of an HVAC system which includes a direct expansion coil, a condenser, a pre-cool coil, and a control system. The control system includes a controller and sensors. The controller receives signals indicative of air flow through the direct expansion c |
| 5138299 |
Showcase alarm system |
August 11, 1992 |
| An alarm system for use in store showcases. The alarm system includes a door switch, a timer, a user actuable shunt switch, a lock switch and door alarm logic. Prior to opening a showcase door, the shunt switch is actuated causing the time to produce a signal which disables the door |
| 5137360 |
Fiber optic gyro with a source at a first wavelength and a fiber optic loop designed for single |
August 11, 1992 |
| A low cost fiber optic gyro includes a Sagnac interferometer configured in a minimum reciprocal configuration and modified to use a 0.8 micron wavelength laser diode as the interferometer light source and 1.3 micron, single-mode fiber for the sensing coil. |
| 5137357 |
Interferometric signal analysis with modulation switching |
August 11, 1992 |
| In a fiber optic rotation sensor, two phase modulators are symmetrically offset with respect to the center of an optical fiber loop and alternately excited by a waveform whose frequency alters the differential phase between counter-propagating light waves in the loop to maintain a fixed |
| 5136498 |
Method for enacting failover of a 1:1 redundant pair of slave processors |
August 4, 1992 |
| A primary slave IOP, upon detecting an error, verifies the availability of a secondary slave IOP, and then sets an output control signal to indicate backup is requested. The primary slave IOP then takes itself out of being the primary. A secondary slave IOP, sensing that the output contr |
| 5136424 |
Binary optical element for an optical disk read/write head |
August 4, 1992 |
| A ultra-compact optical readout device utilizing a binary optical element that provides a wide separation between diffraction efficiency peaks of different polarization modes so that sending and returning light can take distinct paths at the light source and detector, respectively, and a |
| 5136132 |
Alternate action mechanism |
August 4, 1992 |
| An alternate action mechanism in which a rocker makes rolling contact with a surface on a frame, and a plunger is positioned to exert a force toward the surface at a location on the rocker separated from the rolling contact, the force at least initially being along an axis which intersec |
| 5136127 |
Tilt actuated switch |
August 4, 1992 |
| A tilt switch is provided which incorporates first and second conductive end caps that are disposed apart by a predetermined amount to define a gap between the inwardly directed end faces of the end caps. A nonconducting member is used to provide the appropriate spacing of the first and |
| 5136126 |
Tilt switch |
August 4, 1992 |
| A tilt switch is provided which comprises a plurality of rails which are connectable in electrical communication with circuit points of an electrical circuit. The preferred embodiment of the present invention comprises first, second and third rails which are associated in preselected |
| 5133656 |
Fuel burner valve operator circuit with intermittent ignition |
July 28, 1992 |
| A burner control system conditions opening of the fuel control valve on proper operation of a hot surface igniter for igniting the fuel. Current flow through and voltage across the hot surface igniter is constantly monitored, and if either is not proper, the valve closes. A pair of diode |
| 5133215 |
Pressure transmitter assembly having sensor isolation mounting |
July 28, 1992 |
| The apparatus for sensing pressure comprises a header, having at least one input port for receiving a substance under pressure. A substrate, having a wafer-like shape with a relatively large surface area in comparision to its thickness, includes at least one internal passage to couple th |
| 5133193 |
Air handling system utilizing direct expansion cooling |
July 28, 1992 |
| A system for controlling the operation of an HVAC system which includes a direct expansion coil, a condenser, a pre-cool coil, and a control system. The control system includes a controller and sensors. The controller receives signals indicative of air flow through the direct expansion c |
