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| Number | Title | Issue Date |
| 5121711 | Wireless control of animals In one embodiment of a wireless method of animal control, using animal borne wireless receivers and warning devices, the animal is warned to remain within a lobe of the transmitter station. The lobe is readily moved to facilitate herding and rotational gr... | 06/16/1992 |
| 5000817 | Batch method of making miniature structures assembled in wafer form A batch method for fabricating semiconductor capacitive force transducers is disclosed wherein a first wafer of silicon or fused silica is recessed by etching to define an array of force transducer structures, each including a deflectable portion supporte... | 03/19/1991 |
| 4930392 | Ballistic stream electrical stunning systems Electrical stunning systems are disclosed which employ one or more electrically conductive ballistic streams for contacting an unauthorized subject to complete an electrical circuit over which is administered the dose of stunning energy. Various sensors s... | 06/05/1990 |
| 4847851 | Butt-coupled single transverse mode diode pumped laser A solid state laser is optically pumped by a semiconductive diode. The output facet of the pumping diode is butt-coupled to the input facet of the laser gain medium. The laser gain medium has a short absorption length ( | 07/11/1989 |
| 4833682 | Moving slab laser A moving slab laser includes a slab carriage driven to-and-fro along a precise rectilinear reciprocal path by a liner motor under the control of a computer. The reciprocal motion of the slab is precisely guided by cross roller ways or ball bushing bearing... | 05/23/1989 |
| 4827485 | Diode pumped solid state laser A diode pumped Nd:YAG laser is disclosed wherein the YAG laser rod is supported from the envelope of the pumping diode by means of telescoping glass tubes bonded together by means of u.v. curing adhesive. The diode pumped laser is supported from a heat si... | 05/02/1989 |
| 4820370 | Particle shielded R. F. connector for a plasma enhanced chemical vapor processor boat The wafer processing boat of a plasma enhanced chemical vapor processor includes an R.F. connector at the inner end of its interleaved electrodes. The R.F. electrical connector includes slidably mated male and female portions for making R.F. electrical co... | 04/11/1989 |
| 4821279 | Gas laser In a gas ion laser of the type having a serial array of coaxially aligned axially spaced floating electrodes contained within an evacuable dielectric envelope for exciting a d.c. plasma laser pumping discharge, the electrodes and gas fill are cooled by a ... | 04/11/1989 |
| 4809291 | Diode pumped laser and doubling to obtain blue light A source of coherent blue light comprises a diode laser for pumping a Nd3+ doped member of lasant material disposed within an optical resonator for exciting the 4 F3/2 -4 I9/2 laser transition of a wa... | 02/28/1989 |
| 4797896 | Solid state optical ring resonator and laser using same In a monolithic optical ring resonator an optically transparent member is faceted so that the input and output beams of the resonator are coupled through a common facet at widely divergent angles in excess of 45 degrees and preferably 90 degrees. In this ... | 01/10/1989 |
| 4795977 | Interface system for interfacing a device tester to a device under test A device tester, such as a memory tester, is electrically interfaced to a device under test, such as a memory die, by means of an improved interface system. The interface system includes an array of coaxial cables for making electrical connection to the t... | 01/03/1989 |
| 4790181 | Thermal mass flow meter and method of making same A thermal mass flow meter includes a comb-shaped structure having a plurality closely spaced septa carried from a common spine and disposed within the flow stream to be measured for partitioning the flow therein into a plurality of generally parallel elon... | 12/13/1988 |
| 4787093 | Combinatorial coded telemetry A unipolar, RZ, constant width pulse telemetry is achieved in the combinatorial set, or any desired subset of pulse sequences thereof. Each input datum W is in one-to-one correspondence with a particular pulse sequence and the correspondence of datum with... | 11/22/1988 |
| 4784600 | Low NOx staged combustor with swirl suppression In a low NOx stage combustor, the hot fuel rich combustion gases exit the primary combustion chamber through a constriction including a throat portion and pass into a secondary combustion chamber wherein burning is completed by injection of sec... | 11/15/1988 |
| 4783237 | Solid state transducer and method of making same Folded cantilever structures and solid state force transducers using same are made by chemical etching of a semiconductive wafer. In the chemical etching process, an etch stop layer is provided on a wafer of semiconductive material. The etch stop layer is... | 11/08/1988 |
| 4764933 | Diode pumped low doped Nd 3+ glass laser A semiconductive diode pumped Nd:glass laser is disclosed in which standard low-loss Nd:glass is employed as the gain medium. In some embodiments, miniature optical resonators are employed for resonating the lasant radiation within the gain medium. One or... | 08/16/1988 |
| 4764673 | Electric electron energy analyzer In an electron spectrometer, electrons emanating from a source are collected and focused to a collimated stream by an electrostatic lens free of spherical aberration. The lens includes a pair of axially spaced concave grids approximating sections of conce... | 08/16/1988 |
| 4761301 | Electrical insulator for a plasma enhanced chemical vapor processor In a plasma enhanced chemical vapor processing apparatus first and second sets of electrodes are electrically insulated one from the other via the intermediary of a plurality of insulator bodies. Each of the insulator bodies includes a recessed portion fo... | 08/02/1988 |
| 4752931 | Pulse shaper for an electro-optically Q-switched seeded laser A seeded electro-optically Q-switches laser includes a pulser for pulsing the Q-switch within the seeded laser. The Q-switch pulser includes a pulse-shaping network having a saturable core inductor connected in series with the flow of current to the Q-swi... | 06/21/1988 |
| 4749842 | Ring laser and method of making same In a monolithic ring laser, the ring laser crystal is mounted in a monolithic heated support structure including a layer of solder which is readily softened by elevating the temperature of the heater to permit adjustment and readjustment of the optical al... | 06/07/1988 |
| 4739507 | Diode end pumped laser and harmonic generator using same A second harmonic, optical generator is disclosed in which a laser diode produces an output pumping beam which is focused by means of a graded, refractive index rod lens into a rod of lasant material, such as Nd:YAG, disposed within an optical resonator t... | 04/19/1988 |
| 4736373 | Memory tester having concurrent failure data readout and memory repair analysis A memory tester for testing a matrix of memory elements, such matrix having spare rows and columns of memory elements to be used for repair of the memory under test. The memory tester tests the memory matrix to derive failure data and stores the failure d... | 04/05/1988 |
| 4734912 | Laser diode end pumped Nd:YAG single mode laser A diode pumped Nd:YAG laser is disclosed. The YAG rod is coated on its ends to define an optical resonator containing the YAG rod. The YAG rod is made sufficiently short, i.e., 1 mm, so that it will support only two axial resonant (lasing) modes. The rod ... | 03/29/1988 |
| 4733559 | Thermal fluid flow sensing method and apparatus for sensing flow over a wide range of flow rates Miniature thermal fluid flow sensors of the airfoil type are made in batch form by forming the thermal fluid flow sensors on a thin sheet of material and bonding the sheet over an array of duct structures and dicing the individual sensors and duct structu... | 03/29/1988 |
| 4732647 | Batch method of making miniature capacitive force transducers assembled in wafer form A batch method for fabricating semiconductive capacitive force transducers is disclosed wherein a first wafer of silicon or fused silica is recessed by etching to define a array of force transducer structures, each including a deflectable portion supporte... | 03/22/1988 |
| 4731787 | Monolithic phasematched laser harmonic generator A monolithic phasematched harmonic generator is obtained by optically pumping an optically nonlinear lasant member having reflective faces defining the monolithic optical resonator. Phasematching is achieved, in one case, by inclining a totally internally... | 03/15/1988 |
| 4724008 | Method for restoring the sensing capacity of an electrical sensor A selected component of a fluid mixture, for example a reduced sulfur compound vapor in air, is detected by selectively adsorbing the component onto a conductive thin layer of material having a chemical affinity for such component and observing the result... | 02/09/1988 |
| 4718202 | Method and apparatus for rounding the edges of semiconductive wafers In an apparatus for rounding the edges of semiconductive wafers, the wafers are loaded onto two parallel counter rotating screws one having a right hand thread and the other having a left hand thread. The grooves of respective ones of said screw engage th... | 01/12/1988 |
| 4710708 | Method and apparatus employing received independent magnetic field components of a transmitted alternating magnetic field for determining location The location method uses relatively low frequency electromagnetic fields, e.g., 1-1000 Hz, for determining the relative position and/or orientation of a transmitting magnetic dipole antenna by using a vector field receiver. The transmitting antenna for su... | 12/01/1987 |
| 4709643 | Primary stage combustor lining A low NOx staged combustor for a TEOR steam generator includes a primary combustion chamber lined with an improved refractory lining. The refractory lining includes a first layer of low density ceramic fibrous thermal insulation as of 4" in thi... | 12/01/1987 |
| 4710625 | Charged particle energy analyzer based upon isentropic containment Charged particles (ions or electrons) are directed into a drift tube closed off at the upstream and downstream ends by electrical grid members and having an axial magnetic field therein with a substantial radial component. The grids are pulsed to trap the... | 12/01/1987 |
| 4710686 | Method and apparatus for control of current in a motor winding A current driver circuit for an inductive load, such as a motor winding, provides unidirectional, controlled current through the winding by use of two pulse width modulator switches on opposite sides of the winding or bidirectional current control by use ... | 12/01/1987 |
| 4706612 | Turbine exhaust fed low NOx staged combustor for TEOR power and steam generation with turbine exhaust bypass to the convection stage In a low NOx power and steam generator for thermally enhanced oil recover, a gas turbine fired with nitrogen-bearing crude oil and air produces power and hot turbine exhaust. A portion of the turbine exhaust is fed into the primary combustion c... | 11/17/1987 |
| 4707602 | Fourier transform time of flight mass spectrometer A time of flight mass spectrometer includes means for gating the flow of ions from the source to the detector with a modulation function, the frequency of which is swept. The detected ion current is obtained as a function of the ion current modulation fre... | 11/17/1987 |
| 4701928 | Diode laser pumped co-doped laser A miniature solid state near room temperature laser includes a laser crystal doped with a laser ion and an absorber ion. The absorber ion absorbs pumping radiation derived from the output of a laser diode and transfers the absorbed energy to the laser ion... | 10/20/1987 |
| 4691566 | Immersed thermal fluid flow sensor An immersion-type thermal fluid flow sensor is disclosed in which the temperature dependent sensing resistor means is carried from a flexible ribbon-shaped septum immersed in the flow and arranged in a spiral, meander or other geometrical configuration to... | 09/08/1987 |
| 4680467 | Electron spectroscopy system for chemical analysis of electrically isolated specimens An electron spectroscopy system is disclosed which is specially suited for chemical analysis of electrically isolated specimens. X-rays or other ionizing radiation is focused to a relatively small spot on the surface of the electrically isolated sample to... | 07/14/1987 |
| 4661033 | Apparatus for unloading wafers from a hot boat Wafers are unloaded from a hot wafer processing boat of the type having a plurality of elongated parallel electrodes defining elongated processing gaps therebetween with the wafers being serially spaced apart lengthwise of the gap. A wafer carrier, into w... | 04/28/1987 |
| 4633578 | Miniature thermal fluid flow sensors and batch methods of making same Miniature thermal fluid flow sensors of the airfoil type are made in batch form by forming the thermal fluid flow sensors on a thin sheet of material and bonding the sheet over an array of duct structures and dicing the individual sensors and duct structu... | 01/06/1987 |
| 4617669 | Method and apparatus for pumping lasant slabs In a slab laser, the optical pumping lamps extend transversely to the mean direction of the laser beam with the spatial period of the lamps being harmonically related to the spatial period of the zig-zag laser beam path within the slab, preferably with eq... | 10/14/1986 |