Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 5341389 | Ytterbium- and neodymium-doped vanadate laser hose crystals having the apatite crystal structure Yb3+ and Nd3+ doped Sr5 (VO4)3 F crystals serve as useful infrared laser media that exhibit low thresholds of oscillation and high slope efficiencies, and can be grown with high optical quality. The... | 08/23/1994 |
| 5341017 | Semiconductor switch geometry with electric field shaping An optoelectric switch is disclosed that utilizes a cylindrically shaped and contoured GaAs medium or other optically active semiconductor medium to couple two cylindrically shaped metal conductors with flat and flared termination points each having an ov... | 08/23/1994 |
| 5338115 | Mixing device for materials with large density differences An auger-tube pump mixing device for mixing materials with large density differences while maintaining low stirring RPM and low power consumption. The mixing device minimizes the formation of vortexes and minimizes the incorporation of small bubbles in th... | 08/16/1994 |
| 5336520 | High density-high purity graphite prepared by hot isostatic pressing in refractory metal containers Porous graphite in solid form is hot isostatically pressed in a refractory metal container to produce a solid graphite monolith with a bulk density greater than or equal to 2.10 g/cc. The refractory metal container is formed of tantalum, niobium, tungsten... | 08/09/1994 |
| 5335237 | Parasitic oscillation suppression in solid state lasers using absorbing thin films A thin absorbing film is bonded onto at least certain surfaces of a solid state laser gain medium. An absorbing metal-dielectric multilayer film is optimized for a broad range of incidence angles, and is resistant to the corrosive/erosive effects of a coo... | 08/02/1994 |
| 5331234 | Solid state switch A solid state switch, with reverse conducting thyristors, is designed to operate at 20 kV hold-off voltage, 1500 A peak, 1.0 μs pulsewidth, and 4500 pps, to replace thyratrons. The solid state switch is more reliable, more economical, and more easily rep... | 07/19/1994 |
| 5325918 | Optimal joule heating of the subsurface A method for simultaneously heating the subsurface and imaging the effects of the heating. This method combines the use of tomographic imaging (electrical resistance tomography or ERT) to image electrical resistivity distribution underground, with joule h... | 07/05/1994 |
| 5315611 | High average power magnetic modulator for metal vapor lasers A three-stage magnetic modulator utilizing magnetic pulse compression designed to provide a 60 kV pulse to a copper vapor laser at a 4.5 kHz repetition rate is disclosed. This modulator operates at 34 kW input power. The circuit includes a step up auto tr... | 05/24/1994 |
| 5312186 | High temperature probe A high temperature probe for sampling, for example, smokestack fumes, and is able to withstand temperatures of 3000° F. The probe is constructed so as to prevent leakage via the seal by placing the seal inside the water jacket whereby the seal is not exp... | 05/17/1994 |
| 5311485 | Fiber optic hydrophone A miniature fiber optic hydrophone based on the principles of a Fabry-Perot interferometer. The hydrophone, in one embodiment, includes a body having a shaped flexible bladder at one end which defines a volume containing air or suitable gas, and including... | 05/10/1994 |
| 5307430 | Lensing duct A lensing duct to condense (intensify) light using a combination of front surface lensing and reflective waveguiding. The duct tapers down from a wide input side to a narrow output side, with the input side being lens-shaped and coated with an antireflect... | 04/26/1994 |
| 5305345 | Zigzag laser with reduced optical distortion The architecture of the present invention has been driven by the need to solve the beam quality problems inherent in Brewster's angle tipped slab lasers. The entrance and exit faces of a solid state slab laser are cut perpendicular with respect to the pum... | 04/19/1994 |
| 5296125 | Electrochemical sensor/detector system and method An electrochemical detection system is described comprising in combination: (a) a multielement, microelectrode array detector containing means for acquiring a plurality of signals; (b) electronic means for receiving said signals and converting said signals int... | 03/22/1994 |
| 5282944 | Ion source based on the cathodic arc A cylindrically symmetric arc source to produce a ring of ions which leave the surface of the arc target radially and are reflected by electrostatic fields present in the source to a point of use, such as a part to be coated. An array of electrically isol... | 02/01/1994 |
| 5280492 | Yb:FAP and related materials, laser gain medium comprising same, and laser systems using same An ytterbium doped laser material remarkably superior to all others, including Yb:YAG, comprises Ytterbium doped apatite (Yb:Ca5 (PO4)3 F) or Yb:FAP, or ytterbium doped crystals that are structurally related to FAP. The ne... | 01/18/1994 |
| 5279723 | Filtered cathodic arc source A continuous, cathodic arc ion source coupled to a macro-particle filter capable of separation or elimination of macro-particles from the ion flux produced by cathodic arc discharge. The ion source employs an axial magnetic field on a cathode (target) hav... | 01/18/1994 |
| 5275106 | Insensitive fuze train for high explosives A generic insensitive fuze train to initiate insensitive high explosives, such as PBXW-124. The insensitive fuze train uses a slapper foil to initiate sub-gram quantities of an explosive, such as HNS-IV or PETN. This small amount of explosive drives a lar... | 01/04/1994 |
| 5275083 | Skirted projectiles for railguns A single skirt projectile (20) having an insulating skirt (22) at its rear, or a dual trailing skirt projectile (30, 40, 50, 60) having an insulating skirt (32, 42, 52, 62) succeeded by an arc extinguishing skirt (34, 44, 54, 64), is accelerated by a rail... | 01/04/1994 |
| 5271283 | Ballistic impulse gauge A gauge for detecting the impulse generated in sample materials by X-rays or other impulse producing mechanisms utilizes a pair of flat annular springs to support a plunger relative to a housing which may itself be supported by a pair of flat annular spri... | 12/21/1993 |
| 5264959 | Temperature-insensitive phase-matched optical harmonic conversion crystal Temperature-insensitive, phase-matched harmomic frequency conversion of laser light at a preferred wavelength of 1.064 microns can be achieved by use of a crystal of deuterated l-arginine phosphate. The crystal is cut and oriented so that the laser light ... | 11/23/1993 |
| 5257132 | Broadband diffractive lens or imaging element A broadband diffractive lens or imaging element produces a sharp focus and/or a high resolution image with broad bandwidth illuminating radiation. The diffractive lens is sectored or segmented into regions, each of which focuses or images a distinct narro... | 10/26/1993 |
| 5256565 | Electrochemical planarization In a process for fabricating planarized thin film metal interconnects for integrated circuit structures, a planarized metal layer is etched back to the underlying dielectric layer by electropolishing, ion milling or other procedure. Electropolishing reduc... | 10/26/1993 |
| 5252545 | Dense high temperature ceramic oxide superconductors Dense superconducting ceramic oxide articles of manufacture and methods for producing these articles are described. Generally these articles are produced by first processing these superconducting oxides by ceramic processing techniques to optimize materia... | 10/12/1993 |
| 5245648 | X-ray tomographic image magnification process, system and apparatus therefor A computerized three-dimensional x-ray tomographic microscopy system is disclosed, comprising: a) source means for providing a source of parallel x-ray beams, b) staging means for staging and sequentially rotating a sample to be positioned in the path of the c... | 09/14/1993 |
| 5241557 | Laser focus compensating sensing and imaging device A laser focus compensating sensing and imaging device permits the focus of a single focal point of different frequency laser beams emanating from the same source point. In particular it allows the focusing of laser beam originating from the same laser dev... | 08/31/1993 |
| 5241450 | Three dimensional, multi-chip module A plurality of multi-chip modules are stacked and bonded around the perimeter by sold-bump bonds to adjacent modules on, for instance, three sides of the perimeter. The fourth side can be used for coolant distribution, for more interconnect structures, or... | 08/31/1993 |
| 5234183 | Plasma plume MHD power generator and method Highly-conducting plasma plumes are ejected across the interplanetary magnetic field from a situs that is moving relative to the solar wind, such as a spacecraft or an astral body, such as the moon, having no magnetosphere that excludes the solar wind. Di... | 08/10/1993 |
| 5232772 | Low density carbonized composite foams A carbonized composite foam having a density less than about 50 mg/cm3 and individual cell sizes no greater than about 1 μm in diameter is described, and the process of making it.... | 08/03/1993 |
| 5227239 | Production of hollow aerogel microspheres A method is described for making hollow aerogel microspheres of 800-1200 μ diameter and 100-300 μ wall thickness by forming hollow alcogel microspheres during the sol/gel process in a catalytic atmosphere and capturing them on a foam surface containing ... | 07/13/1993 |
| 5224200 | Coherence delay augmented laser beam homogenizer The geometrical restrictions on a laser beam homogenizer are relaxed by ug a coherence delay line to separate a coherent input beam into several components each having a path length difference equal to a multiple of the coherence length with respect to t... | 06/29/1993 |
| 5222873 | Fluid-driven reciprocating apparatus and valving for controlling same A control valve assembly for alternately actuating a pair of fluid-driven free-piston devices by using fluid pressure communication therebetween. Each control valve is switched by a pressure signal depending on the state of its counterpart's piston. The c... | 06/29/1993 |
| 5221211 | Electrical receptacle The invention is a receptacle for a three prong electrical plug which has either a tubular or U-shaped grounding prong. The inventive receptacle has a grounding prong socket which is sufficiently spacious to prevent the socket from significantly stretchin... | 06/22/1993 |
| 5218515 | Microchannel cooling of face down bonded chips Microchannel cooling is applied to flip-chip bonded integrated circuits, in a manner which maintains the advantages of flip-chip bonds, while overcoming the difficulties encountered in cooling the chips. The technique is suited to either multichip integra... | 06/08/1993 |
| 5214235 | Shock destruction armor system A shock destruction armor system is constructed and arranged to destroy the force of impact of a projectile by shock hydrodynamics. The armor system is designed to comprise a plurality of superimposed armor plates each preferably having a thickness less t... | 05/25/1993 |
| 5213444 | Oil/gas collector/separator for underwater oil leaks An oil/gas collector/separator for recovery of oil leaking, for example, from an offshore or underwater oil well. The separator is floated over the point of the leak and tethered in place so as to receive oil/gas floating, or forced under pressure, toward... | 05/25/1993 |
| 5202741 | Active imaging system with Faraday filter An active imaging system has a low to medium powered laser transmitter and receiver wherein the receiver includes a Faraday filter with an ultranarrow optical bandpass and a bare (nonintensified) CCD camera. The laser is locked in the vicinity of the pass... | 04/13/1993 |
| 5198188 | Combustion synthesis method and products Disclosed is a method of producing dense refractory products, comprising: (a) obtaining a quantity of exoergic material in powder form capable of sustaining a combustion synthesis reaction; (b) removing absorbed water vapor therefrom; (c) cold-pressing said materia... | 03/30/1993 |
| 5196814 | High power, high frequency, vacuum flange An improved waveguide flange is disclosed for high power operation that helps prevent arcs from being initiated at the junctions between waveguide sections. The flanges at the end of the waveguide sections have counterbores surrounding the waveguide tubes... | 03/23/1993 |
| 5194913 | Fiber-optic apparatus and method for measurement of luminescence and raman scattering A dual fiber forward scattering optrode for Raman spectroscopy with the remote ends of the fibers in opposed, spaced relationship to each other to form a analyte sampling space therebetween and the method of measuring Raman spectra utilizing same. One opt... | 03/16/1993 |
| 5191164 | Hybrid armature projectile A projectile for a railgun that uses a hybrid armature and provides a seed block around part of the outer surface of the projectile to seed the hybrid plasma brush. In addition, the hybrid armature is continuously vaporized to replenish plasma in a plasma... | 03/02/1993 |
