Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 5544199 | Non-adaptive phase-difference interference filter An interference suppression system utilizes a non-adaptive filter to suppress interference from bandspread communication signals. The filter is effective in the cancellation of interference from a bandspread communication signal when the interference domi... | 08/06/1996 |
| 5522561 | Fiber optic cable payout system An inside fiber optic payout system uses winding and packaging techniques th an inner stabilizing tube to ensure reliable cable payout. Stiff, elastic cable is rapidly non-precision wound onto a collapsible core spool at a preferred winding pitch. Stand-o... | 06/04/1996 |
| 5517531 | Kernel adaptive interference suppression system An interference suppression system utilizes an adaptive locally optimum detection algorithm derived from kernel estimation. By utilizing this algorithm in the processor of the invention, fewer receive samples are required to obtain useful estimates of req... | 05/14/1996 |
| 5510088 | Low temperature plasma film deposition using dielectric chamber as source material A chemical vapor deposition system utilizes a microwave carrying dielectric member and inner chamber that are both placed within a reaction chamber. The inner chamber is used as a semiconductor source material, which in one particular embodiment is reacti... | 04/23/1996 |
| 5509032 | Non-adaptive amplitude-difference interference filter An interference suppression system utilizes a non-adaptive filter to supps interference from bandspread communication signals. The filter is effective in the cancellation of interference from a bandspread communication signal whenever interference has a ... | 04/16/1996 |
| 5499399 | Two-dimensional kernel adaptive interference suppression system A two-dimensional interference suppression system utilizes adaptive locally optimum detection algorithms derived from kernel estimation. By using these algorithms in the process of the invention, fewer receive samples are required to obtain useful estimat... | 03/12/1996 |
| 5493540 | System for estimating far-field acoustic tonals A system and method for estimating a ship's far-field acoustic characteristics includes at least one reference hydrophone and at least one movable hydrophone, both of which are disposed in the water closely adjacent the ship. The movable hydrophone senses... | 02/20/1996 |
| 5441591 | Silicon to sapphire bond A method of bonding silicon to sapphire may be performed at room temperature and with no greater pressure than that due to one wafer resting on another. The method comprises the steps of polishing one side of a flat sapphire wafer to a mirror-like surface... | 08/15/1995 |
| 5432725 | Self-adapting filter The Self-Adapting Filter is an adaptive interference suppression device t can be used to extract bandspread communication signals from a received signal containing significant structured interference. The filter processes signal quantities consisting of ... | 07/11/1995 |
| 5391914 | Diamond multilayer multichip module substrate Diamond is used as a dielectric layer to separate the metalization layers multichip module substrates. The diamond has use for both electrical and thermal conduction. Such multichip module substrates may have a diamond base, or a base constructed from si... | 02/21/1995 |
| 5374567 | Operational amplifier using bipolar junction transistors in silicon-on-sapphire A method for fabricating low leakage current bipolar junction transistors of silicon-on-sapphire for efficient use in operational amplifiers utilizes all implant technology, improved silicon conditioning processing, and low temperature annealing.... | 12/20/1994 |
| 5329245 | Hybrid high power amplifier The invention provides a high power, low distortion, high efficiency ampler design incorporating a high efficiency switching amplifier used in conjunction with a linear difference amplifier. The high efficiency switching amplifier, typically of full or h... | 07/12/1994 |
| 5301219 | Uninterrupted, enhanced-rate event sequencer with mixed-speed counter modules The invention includes a data memory having sequentially stored N-bit words that are each a binary description of a time at which an event is to occur. Also stored is a K-bit word, associated with each N-bit word, that is a binary description of what the ... | 04/05/1994 |
| 5289194 | Combiner for two dimensional adaptive interference suppression system A multisignal combiner is provided for weighting the best performing signal of an amplitude transform signal and a phase difference transform signal produced by a processor which receives a two dimensional signal and has intermediate signals which are a v... | 02/22/1994 |
| 5272932 | Torsional device for remote control steering system A steering simulation device provides torsional resistance and a "center urn" function to a remote control steering mechanism experiencing bidirectional (clockwise or counterclockwise) rotational movement. A compact design is provided by utilizing a seri... | 12/28/1993 |
| 5223840 | Low cost radar target simulator for remote radar testing A moving target simulator is provided for testing a wide variety of radars ithout the need for a direct connection between the simulator and the radar under test. The simulator accurately replicates the pulse width and amplitude of transmitted radar signal... | 06/29/1993 |
| 5140560 | Pressure compensated transducer system with constrained diaphragm An acoustic source apparatus has a acoustic transducer that is enclosed in substantially rigid and watertight enclosure to resist the pressure of water on the transducer and to seal the transducer from the water. The enclosure has an opening through which... | 08/18/1992 |
| 5071088 | High lift aircraft A high lift vertical takeoff and landing aircraft has first and second fuselages connected by a central airfoil. Jet engines at the leading edge of the airfoil expel propulsive streams simultaneously over top and bottom surfaces of the foil. Extendable fl... | 12/10/1991 |
| 5068832 | Binaural ultrasound detector and imager A frequency translator converts inaudible sounds into audible sounds while reserving the phase relationship of the sounds. The translator mixes a local reference frequency with an inaudible receive signal to translate the receive signal to an audible frequ... | 11/26/1991 |
| 5063487 | Main and auxiliary transformer rectifier system for minimizing line harmonics A polyphase transformer design is presented in which transformer output pors are accurately constructed in both voltage magnitude and relative phase angle. The design incorporates both main and auxiliary transformers that are used in unison to produce th... | 11/05/1991 |
| 5057697 | DC uninterrupted power supply having instantaneous switching followed by low impedance switching An uniterruptible power supply is provided that incorporates switching ciitry permitting a path for instantaneous DC backup power to be supplied to a voltage-declining primary power supply bus. Once the instantaneous transition is made, battery power is ... | 10/15/1991 |
| 5039228 | Fixtureless environmental stress screening apparatus A fixtureless environmental screening device is provided for the testing of mechanical, electromechanical and electrical devices. The apparatus uses a relatively incompressible fluid having a high heat capacity and a high heat of vaporization to transfer ... | 08/13/1991 |
| 5023056 | Plasma generator utilizing dielectric member for carrying microwave energy A plasma generator utilizes a dielectric member for carrying microwave energy from a microwave source directly into the hot zone of a thermally heated semiconductor process reaction chamber. The member carries the microwave energy much like fiber optics c... | 06/11/1991 |
| 5018114 | Adjustable frequency diversity acoustic communications system An underwater acoustic communication system provides an operator with adjable frequency diversity so that data rates may be tailored to specific multipath environments. Transmitted messages are sent with precursor transmission/reception synchronization d... | 05/21/1991 |
| 4986708 | Self-sealing separation fastener for small confines A separable fastener includes a fastener body having a head end and a shank nd. The head end defines a generally cylindrical open ended cavity in which a cylindrical punch is disposed. The cavity is sealed and closed by a gas generator that develops an inc... | 01/22/1991 |
| 4951727 | Low storage-volume closure device for curved surface A flexible closure device takes a generally arcuate shape in a closed poson to conform to a curved surface when closing an opening in the surface. The device takes a generally planar shape when in an open position thereby occupying a low amount of storag... | 08/28/1990 |
| 4932039 | Pulse interference canceler of high power out-of-band pulse interference signals A pulse interference canceler cancels pulse interference signals by normaing the signals and comparing in time the normalized signals to each other. An overlap of the normalized signals indicates that both channels of the pulse receiver received transmis... | 06/05/1990 |
