Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 6377202 | Icing hazard avoidance system and method using dual-polarization airborne radar An icing hazard avoidance system and method utilizes a forward-looking, single frequency, dual-polarization pulse radar system as well as temperature sensing means to determine if supercooled liquid water (SLW) drops are present in an aircraft's flight pa... | 04/23/2002 |
| 4862114 | Crystal oscillators using negative voltage gain, single pole response amplifiers A simple and inexpensive crystal oscillator is provided which employs negative voltage gain, single pole response amplifiers. The amplifiers may include such configurations as gate inverters, operational amplifiers and conventional bipolar transistor ampl... | 08/29/1989 |
| 4843123 | Cellular thermosetting fluorodiepoxide polymers Thermosetting fluoropolymer foams are made by mixing fluid form thermosetting fluoropolymer components having a substantial fluorine content, placing the mixture in a pressure tight chamber, filling the chamber with a gas, at relatively low pressure, that... | 06/27/1989 |
| 4843440 | Microwave field effect transistor Electrodes of a high power, microwave field effect transistor are substantially matched to external input and output networks. The field effect transistor includes a metal ground plane layer, a dielectric layer on the ground plane layer, a gallium arsenid... | 06/27/1989 |
| 4777656 | Legislated emergency locating transmitters and emergency position indicating radio beacons An emergency locating transmitting (ELT) system comprising a legislated ELT modified with an interface unit and connected by a multiwire cable to a remote control monitor (RCM), typically located at the pilot position. The RCM can remotely (1) test the EL... | 10/11/1988 |
| 4765396 | Polymeric heat pipe wick A wick for use in a capillary loop pump heat pipe. The wick material is an essentially uniformly porous, permeable, open-cell, polyethylene thermoplastic foam having an ultra high average molecular weight of from approximately 1,000,000 to 5,000,000, and ... | 08/23/1988 |
| 4732353 | Three axis attitude control system A three axis attitude control system for an orbiting body, such as a spacecraft, comprises a motor driven flywheel supported by a torque producing active magnetic bearing. Free rotation of the flywheel is provided about its central axis and together with ... | 03/22/1988 |
| 4731211 | Cellular thermosetting fluoropolymers and process for making them Thermosetting fluorodiepoxide polymer foams are made by mixing fluid form thermosetting fluorodiepoxide polymer components having a substantial fluorine content, placing the mixture in a pressure tight chamber, filling the chamber with a gas, at relativel... | 03/15/1988 |
| 4644306 | Programmable electronic synthesized capacitance A predetermined and variable synthesized capacitance which may be incorporated into the resonant portion of an electronic oscillator for the purpose of tuning the oscillator comprises a programmable operational amplifier circuit. The operational amplifier... | 02/17/1987 |
| 4630289 | Emergency locator transmitter incident time correlator In an emergency locator transmitter of a type wherein a standard distress signal is transmitted following a distress incident, the distress signal is encoded with data identifying the absolute time of the incident or the amount of time that has elapsed si... | 12/16/1986 |
| 4603306 | Temperature sensitive oscillator An oscillator circuit for sensing and indicating temperature by changing oscillator frequency with temperature comprises a programmable operational amplifier which is operated on the roll-off portion of its gain versus frequency curve and has its output d... | 07/29/1986 |
| 4583860 | Optical multiple sample vacuum integrating sphere An integrating sphere (10) comprised of a uniform diffusely reflecting spherical cavity (24) having mutually transverse input and output ports (42, 46) and a linear sample transport mechanism (12) secured thereto so that the multiple samples (136) can be ... | 04/22/1986 |
| 4553110 | JFET Reflection oscillator A high frequency oscillator circuit is provided using a low cost junction type field effect transistor (T1) with a tuned circuit connected to its gate. The frequency of operation is determined by the tuned circuit and the capacitance reflected ... | 11/12/1985 |
| 4552784 | Method of coating a substrate with a rapidly solidified metal A method for coating a substrate with rapidly solidified metal which comprises spraying a mixture of rapidly solidified metal powder and small peening particles at high velocity against the substrate, said velocity being sufficient for the rapidly solidif... | 11/12/1985 |
| 4550292 | Automatic oscillator frequency control system A frequency control system is provided which makes an initial correction of the frequency (fCLK) of its own timing circuit (50, 52, 54, 56) after comparison against a frequency (fREF) of known accuracy and then sequentially checks an... | 10/29/1985 |
| 4521688 | Three-dimensional and tomographic imaging device for x-ray and gamma-ray emitting objects An instrument for obtaining quantitative, three-dimensional and tomographic information relating to x-ray and gamma-ray emitting objects and for the orthoscopic viewing of such objects includes a multiple-pinhole aperture plate (22) held spaced from an x-... | 06/04/1985 |
| 4518722 | Diffusely reflecting paints including polytetrafluoroethylene and method of manufacture A highly diffuse, reflective paint comprising an alcohol soluble binder, polytetrafluoroethylene (TFE) and an alcohol for coating a substrate and forming an optical reference with a superior Lambertian characteristic. A method for making the paint by firs... | 05/21/1985 |
| 4500265 | Magnetically actuated compressor A vibration free fluid compressor particularly adapted for Stirling cycle cryogenic refrigeration apparatus comprising a pair of identical opposing ferromagnetic pistons (10, 12) located in a housing (22) and between a gas spring including a sealed volume... | 02/19/1985 |
| 4483817 | Method and apparatus for mapping the distribution of chemical elements in an extended medium A neutron/gamma ray technique for mapping the distribution of contaminants in an extended medium such as the wall (10) of a building. A neutron excitation source (14) is located on one side of the wall (10) and a gamma ray spectrometer, including a gamma ... | 11/20/1984 |
| 4458554 | Apparatus for and method of compensating dynamic unbalance Compensation is provided for dynamic unbalance imparted to a fixed body by a rotating body that is connected to the fixed body by a shaft about which the rotating body rotates. Force components exerted on the fixed body by the rotating body in a plane at ... | 07/10/1984 |
| 4445118 | Navigation system and method In a global positioning system (GPS), such as the NAVSTAR/GPS system, wherein the position coordinates of user terminals (14) are obtained by processing multiple signals transmitted by a constellation of orbiting satellites (16), an acquisition-aiding sig... | 04/24/1984 |
| 4437069 | Low noise tuned amplifier A bandpass amplifier employing a field effect transistor amplifier first stage (10) with a resistive load (R2) either a.c. or directly coupled to the non-inverting input of an operational amplifier second stage (20) which is loaded in a Wien Br... | 03/13/1984 |
| 4395123 | Interferometric angle monitor Two mutually coherent light beams (50, 58) formed, for example, from a single monochromatic light source (32) are directed to a reflecting surface (20) of a rotatable object (18), such as a mirror, where they are reflected into imaging optical lens (10) h... | 07/26/1983 |
| 4389849 | Stirling cycle cryogenic cooler A long lifetime Stirling cycle cryogenic cooler particularly adapted for space applications comprised of a compressor section (10) centrally aligned end to end with an expansion section (12) and respectively including a reciprocating compressor piston (14... | 06/28/1983 |
| 4387935 | Linear magnetic bearing A linear magnetic bearing includes a stator member (16) stationary relative to x, y and z axes and having a longitudinal axis on the z axis as well as a member (15) longitudinally translatable relative to said axes. The translatable member (15) is control... | 06/14/1983 |
| 4386750 | Method of damping nutation motion with minimum spin axis attitude disturbance In a method of and apparatus for damping nutation of a spinning spacecraft (10), spin axis attitude disturbances are substantially reduced by controlling at least one nutation damping gas thruster (18) to fire with non-uniform gas pulses. During the begin... | 06/07/1983 |
| 4350410 | Multiprism collimator A special purpose optical collimator system which generates multiple collimated light beams, with precisely related angular separation of the beams. The system is comprised of a stack of relatively flat plate-like refracted prisms (101, 10... | 09/21/1982 |
| 4345153 | Low intensity X-ray and gamma-ray spectrometer A low intensity X-ray and gamma-ray spectrometer 10 is disclosed for imaging, counting, and energy resolving of single invisible radiation particles. Spectrometer 10 includes a converting device 20 for converting single invisible radiation particles to vi... | 08/17/1982 |
| 4343287 | Crystal cleaving machine A machine is disclosed for cleaving hard crystals (40), a typical example of which is lithium fluoride, with precision and uniformity and includes vertical axis positioning control means (12) for an adjustable spring tension guided hammer mechanism (17, 1... | 08/10/1982 |
| 4321572 | Non-contacting power transfer device A transformer (20) for coupling AC electrical energy from a stationary element (22) to a rotating element (24) without the use of sliding contacts. The transformer (20) is of the rotary type and includes a ferrite core (39) and two primary windings (70 an... | 03/23/1982 |
| 4308868 | Implantable electrical device A fully implantable and self-contained device is disclosed composed of a flexible electrode array 10 for surrounding damaged nerves and a signal generator 12 for driving the electrode array with periodic electrical impulses of nanoampere magnitude to indu... | 01/05/1982 |
| 4280141 | Time delay and integration detectors using charge transfer devices An imaging system comprising a multi-channel matrix array of CCD devices wherein a plurality of sensor cells (pixels) in each channel are subdivided and operated in discrete intercoupled groups or subarrays with a readout CCD shift register terminating ea... | 07/21/1981 |
| 4276553 | Apparatus and method for determining the position of a radiant energy source The position of a terrestrial RF source is determined from a geostationary, synchronous satellite by scanning the beam of a narrow beam width antenna in first and second orthogonal directions over a region including the source. The peak level of energy tr... | 06/30/1981 |
| 4155475 | Bonding of sapphire to sapphire by eutectic mixture of aluminum oxide and zirconium oxide Bonding of an element comprising sapphire, ruby or blue sapphire to another element of such material with a eutectic mixture of aluminum oxide and zirconium oxide. The bonding mixture may be applied in the form of a distilled water slurry or by electron b... | 05/22/1979 |
| 4069478 | Binary to binary coded decimal converter A binary coded input signal is converted to a binary coded decimal signal having N decades by employing N four bit shift registers. The bits of the input signal are sequentially supplied, in order, to the least significant position of the register for the... | 01/17/1978 |
| 4062650 | Thermoluminescent aerosol analysis A method for detecting and measuring trace amounts of aerosols when reacted with ozone in a gaseous environment wherein a sample aerosol is exposed to a fixed ozone concentration for a fixed period of time, a fluorescer added to the exposed sample and the... | 12/13/1977 |
| 3995789 | Reel safety brake A braking apparatus for a tape transport device including first and second, stacked coaxial reels includes first and second feelers respectively mounted in proximity to the first and second reels for respectively sensing the tape being fully wound on the ... | 12/07/1976 |
| 3957675 | Ultraviolet light reflective coating An ultraviolet light reflective coating is disclosed which exhibits high reflectance to ultraviolet light having wavelengths down to about 2,000 Angstrom units. The coating composition comprises a dispersion of barium sulphate in an aqueous solution of a ... | 05/18/1976 |
| 3931516 | Moving particle composition analyzer Mass spectrometry apparatus for analyzing the composition of moving microscopic particles includes a capacitor having a front electrode upon which the particles impinge, a back electrode, and a solid dielectric sandwiched between the front and back electr... | 01/06/1976 |
