Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 6286517 | Fingernail and toenail decoration using ink jets Inkjet printing technology is used to apply selected designs on fingernails or toenails. The nail-printing device applies highly detailed, customized, multicolored designs that are scaled to precisely fit within the boundary of each individual nail. The d... | 09/11/2001 |
| 6226996 | Device for controlled cooling of a surface A device is described that uniformly cools a surface to a specified temperature using a mist of cryogenic fluid. The device comprises a cryogenic fluid reservoir, a valve for controllably releasing the fluid through an atomizing nozzle, a non-contact temp... | 05/08/2001 |
| 6060791 | Ultra-compact Marx-type high-voltage generator An ultra-compact Marx-type high-voltage generator includes individual high-performance components that are closely coupled and integrated into an extremely compact assembly. In one embodiment, a repetitively-switched, ultra-compact Marx generator includes... | 05/09/2000 |
| 6047013 | Low-phonon-frequency chalcogenide crystalline hosts for rare earth lasers operating beyond three microns The invention comprises a RE-doped MA2 X4 crystalline gain medium, where M includes a divalent ion such as Mg, Ca, Sr, Ba, Pb, Eu, or Yb; A is selected from trivalent ions including Al, Ga, and In; X is one of the chalcogenide ions S... | 04/04/2000 |
| 6037565 | Laser illuminator and optical system for disk patterning Magnetic recording media are textured over areas designated for contact in order to minimize friction with data transducing heads. In fabricating a hard disk, an aluminum nickel-phosphorous substrate is polished to a specular finish. A mechanical means is... | 03/14/2000 |
| 6029079 | Evaluated teletherapy source library The Evaluated Teletherapy Source Library (ETSL) is a system of hardware and software that provides for maintenance of a library of useful phase space descriptions (PSDs) of teletherapy sources used in radiation therapy for cancer treatment. The PSDs are d... | 02/22/2000 |
| 6018389 | Cone penetrometer fiber optic raman spectroscopy probe assembly A chemically and mechanically robust optical Raman spectroscopy probe assembly that can be incorporated in a cone penetrometer (CPT) for subsurface deployment. This assembly consists of an optical Raman probe and a penetrometer compatible optical probe ho... | 01/25/2000 |
| 6017125 | Bar coded retroreflective target This small, inexpensive, non-contact laser sensor can detect the location of a retroreflective target in a relatively large volume and up to six degrees of position. The tracker's laser beam is formed into a plane of light which is swept across the space ... | 01/25/2000 |
| 6012840 | Single-fiber multi-color pyrometry This invention is a fiber-based multi-color pyrometry set-up for real-time non-contact temperature and emissivity measurement. The system includes a single optical fiber to collect radiation emitted by a target, a reflective rotating chopper to split the ... | 01/11/2000 |
| 6010600 | Maskless deposition technique for the physical vapor deposition of thin film and multilayer coatings with subnanometer precision and accuracy The invention is a method for the production of axially symmetric, graded and ungraded thickness thin film and multilayer coatings that avoids the use of apertures or masks to tailor the deposition profile. A motional averaging scheme permits the depositi... | 01/04/2000 |
| 6006175 | Methods and apparatus for non-acoustic speech characterization and recognition By simultaneously recording EM wave reflections and acoustic speech information, the positions and velocities of the speech organs as speech is articulated can be defined for each acoustic speech unit. Well defined time frames and feature vectors describi... | 12/21/1999 |
| 5986234 | High removal rate laser-based coating removal system A compact laser system that removes surface coatings (such as paint, dirt, etc.) at a removal rate as high as 1000 ft2 /hr or more without damaging the surface. A high repetition rate laser with multiple amplification passes propagating through... | 11/16/1999 |
| 5960016 | Aberration-free, all-reflective laser pulse stretcher An all-reflective pulse stretcher for laser systems employing chirped-pulse amplification enables on-axis use of the focusing mirror which results in ease of use, significantly decreased sensitivity to alignment and near aberration-free performance. By us... | 09/28/1999 |
| 5955221 | Method and apparatus for fabrication of high gradient insulators with parallel surface conductors spaced less than one millimeter apart Optical patterns and lithographic techniques are used as part of a process to embed parallel and evenly spaced conductors in the non-planar surfaces of an insulator to produce high gradient insulators. The approach extends the size that high gradient insu... | 09/21/1999 |
| 5944687 | Opto-acoustic transducer for medical applications This invention is an optically activated transducer for generating acoustic vibrations in a biological medium. The transducer is located at the end of a fiber optic which may be located within a catheter. Energy for operating the transducer is provided op... | 08/31/1999 |
| 5945037 | Optical polarizer material Several crystals have been identified which can be grown using standard single crystals growth techniques and which have a high birefringence. The identified crystals include Li2 CO3, LiNaCO3, LiKCO3, LiRbCO | 08/31/1999 |
| 5943132 | Multichannel heterodyning for wideband interferometry, correlation and signal processing A method of signal processing a high bandwidth signal by coherently subdividing it into many narrow bandwidth channels which are individually processed at lower frequencies in a parallel manner. Autocorrelation and correlations can be performed using refe... | 08/24/1999 |
| 5938595 | Fiber optic D dimer biosensor A fiber optic sensor for D dimer (a fibrinolytic product) can be used in vivo (e.g., in catheter-based procedures) for the diagnosis and treatment of stroke-related conditions in humans. Stroke is the third leading cause of death in the United States. It ... | 08/17/1999 |
| 5933236 | Phase shifting interferometer An interferometer which has the capability of measuring optical elements and systems with an accuracy of λ/1000 where λ is the wavelength of visible light. Whereas current interferometers employ a reference surface, which inherently limits the accuracy ... | 08/03/1999 |
| 5923481 | Microlens frames for laser diode arrays Monolithic microlens frames enable the fabrication of monolithic laser diode arrays and are manufactured inexpensively with high registration, and with inherent focal length compensation for any lens diameter variation. A monolithic substrate is used to f... | 07/13/1999 |
| 5910839 | White light velocity interferometer The invention is a technique that allows the use of broadband and incoherent illumination. Although denoted white light velocimetry, this principle can be applied to any wave phenomenon. For the first time, powerful, compact or inexpensive sources can be ... | 06/08/1999 |
| 5909458 | Low-cost laser diode array A substrate is used to fabricate a low-cost laser diode array. A substrate is machined from an electrically insulative material that is thermally conductive, or two substrates can be bonded together in which the top substrate is electrically as well as th... | 06/01/1999 |
| 5906748 | Separation of toxic metal ions, hydrophilic hydrocarbons, hydrophobic fuel and halogenated hydrocarbons and recovery of ethanol from a process stream This invention provides a process to tremendously reduce the bulk volume of contaminants obtained from an effluent stream produced subsurface remediation. The chemicals used for the subsurface remediation are reclaimed for recycling to the remediation pro... | 05/25/1999 |
| 5907436 | Multilayer dielectric diffraction gratings The design and fabrication of dielectric grating structures with high diffraction efficiency used in reflection or transmission is described. By forming a multilayer structure of alternating index dielectric materials and placing a grating structure on to... | 05/25/1999 |
| 5883803 | Six degree of freedom sensor This small, non-contact optical sensor increases the capability and flexibility of computer controlled machines by detecting its relative position to a workpiece in all six degrees of freedom (DOF). At a fraction of the cost, it is over 200 times faster a... | 03/16/1999 |
| 5883499 | Method for leveling the power output of an electromechanical battery as a function of speed The invention is a method of leveling the power output of an electromechanical battery during its discharge, while at the same time maximizing its power output into a given load. The method employs the concept of series resonance, employing a capacitor th... | 03/16/1999 |
| 5880873 | All solid-state SBS phase conjugate mirror A stimulated Brillouin scattering (SBS) phase conjugate laser mirror uses a solid-state nonlinear gain medium instead of the conventional liquid or high pressure gas medium. The concept has been effectively demonstrated using common optical-grade fused si... | 03/09/1999 |
| 5872628 | Noise pair velocity and range echo location system An echo-location method for microwaves, sound and light capable of using incoherent and arbitrary waveforms of wide bandwidth to measure velocity and range (and target size) simultaneously to high resolution. Two interferometers having very long and nearl... | 02/16/1999 |
| 5870697 | Calculation of radiation therapy dose using all particle Monte Carlo transport The actual radiation dose absorbed in the body is calculated using three-dimensional Monte Carlo transport. Neutrons, protons, deuterons, tritons, helium-3, alpha particles, photons, electrons, and positrons are transported in a completely coupled manner,... | 02/09/1999 |
| 5861690 | Fail safe controllable output improved version of the Electromechanical battery Mechanical means are provided to control the voltages induced in the windings of a generator/motor. In one embodiment, a lever is used to withdraw or insert the entire stator windings from the cavity where the rotating field exists. In another embodiment,... | 01/19/1999 |
| 5857047 | Automated fiber pigtailing machine The Automated Fiber Pigtailing Machine (AFPM) aligns and attaches optical fibers to optoelectonic (OE) devices such as laser diodes, photodiodes, and waveguide devices without operator intervention. The so-called pigtailing process is completed with sub-m... | 01/05/1999 |
| 5841570 | Frequency agile optical parametric oscillator The frequency agile OPO device converts a fixed wavelength pump laser beam to arbitrary wavelengths within a specified range with pulse to pulse agility, at a rate limited only by the repetition rate of the pump laser. Uses of this invention include Laser... | 11/24/1998 |
| 5828683 | High density, optically corrected, micro-channel cooled, v-groove monolithic laser diode array An optically corrected, micro-channel cooled, high density laser diode array achieves stacking pitches to 33 bars/cm by mounting laser diodes into V-shaped grooves. This design will deliver>4kW/cm2 of directional pulsed laser power. This optically correct... | 10/27/1998 |
| 5828491 | Phase plate technology for laser marking of magnetic discs An advanced design for a phase plate enables the distribution of spots in arbitrarily shaped patterns with very high uniformity and with a continuously or near-continuously varying phase pattern. A continuous phase pattern eliminates large phase jumps typ... | 10/27/1998 |
| 5821543 | Transverse-structure electrostatic charged particle beam lens Electrostatic particle-beam lenses using a concentric co-planar array of independently biased rings can be advantageous for some applications. Traditional electrostatic lenses often consist of axial series of biased rings, apertures, or tubes. The science... | 10/13/1998 |
| 5783885 | Self-adjusting magnetic bearing systems A self-adjusting magnetic bearing automatically adjusts the parameters of an axially unstable magnetic bearing such that its force balance is maintained near the point of metastable equilibrium. Complete stabilization can be obtained with the application ... | 07/21/1998 |
| 5640777 | Golf club with optical alignment system An alignment system and method of use provide significant improvement in the accuracy of a golf stroke or putt. The alignment system may be incorporated into or attached to the head or shaft of a golf club such as a putter or a chipper. One component of t... | 06/24/1997 |
