Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 5898732 | Data service channel provision for an AM compatible broadcast system A service channel is provided for concurrent communication with an amplitude modulated compatible digital broadcast signal. A transmitter receives input program information and input data service and combines the program information and data service to pr... | 04/27/1999 |
| 5828705 | Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio The carrier tracking loop technique and apparatus provides smooth, accurate frequency tracking, fast reacquisition and doppler tracking over a wide dynamic range. The loop parameters of the carrier tracking loop are varied as a function of mode, i.e. flyw... | 10/27/1998 |
| 5828957 | Satellite beam acquisition/crossover for a mobile terminal An improved satellite beam acquisition and crossover technique for finding an appropriate satellite beam by searching for and acquiring a strongest pilot channel, searching for signalling channels on the acquired strongest pilot channel and monitoring the... | 10/27/1998 |
| 5814912 | Electrical lead bushing for a turbine generator A main electrical lead of an electrical generator has an electrical conductor or main lead bushing which transmits electrical current produced by the generator to electrical loads external to the generator. The electrical conductor and the main electrical... | 09/29/1998 |
| 5721557 | Non-squinting end-fed quadrifilar helical antenna A nonsquinting end-fed quadrifilar helical antenna is provided. Each conductor of the antenna is fed with a successively delayed phase representation of the input signal to optimize transmission characteristics. Each of the conductors is separated into a ... | 02/24/1998 |
| 5704764 | Turbine inter-disk cavity cooling air compressor The inter-disk cavity between turbine rotor disks is used to pressurize cooling air. A plurality of ridges extend radially outwardly over the face of the rotor disks. When the rotor disks are rotated, the ridges cause the inter-disk cavity to compress air... | 01/06/1998 |
| 5698969 | Apparatus and method for interline power flow control An apparatus and method are disclosed for controlling the power flow in an electric transmission system including at least two transmission lines, each transmission line having two ends and carrying alternating current at a selected transmission line volt... | 12/16/1997 |
| 5684718 | Method and apparatus for monitoring the operation of an electric generator A method and apparatus are provided for monitoring the operating conditions of an electric generator by producing a signal representative of vibration amplitude in end turns of stator windings of the generator; producing a signal representative of an elec... | 11/04/1997 |
| 5642007 | Series compensator inserting real and reactive impedance into electric power system for damping power oscillations A series compensator for damping power oscillations in an electric power transmission system includes a switching power converter which injects a voltage into the transmission line having a phase angle relative to transmission line current which is contro... | 06/24/1997 |
| 5633477 | Electrically conductive prepreg for suppressing corona discharge in high voltage devices A resin-rich electrically conductive felt material is described. The described conductive felt can be used to suppress corona discharge in high voltage generator coils. The conductive felt is prepared by treatment with electrically conducting polymers, su... | 05/27/1997 |
| 5341136 | Bandpass sigma-delta modulator for analog-to-digital converters A bandpass sigma-delta modulator for an analog-to-digital converter is provided in which an RLC circuit connected to the input analog signal is resonant at an intermediate frequency. A Josephson junction connected to the RLC circuit receives the current f... | 08/23/1994 |
| 5327130 | Spur-free sigma-delta modulator and multiple flux quanta feedback generator A spur-free sigma delta modulator analog-to-digital converter for converting an analog input signal to a digital output signal is provided. A race Josephson junction is provided between the pulse generator and the integrating inductor. The race Josephson ... | 07/05/1994 |
| 5325207 | Facsimile machine using thin film electroluminescent device for spot scanning An improved facsimile machine having at least one edge emitting thin film electroluminescent line array, each array having a plurality of pixels wherein the pixels are selectively activated. A light beam from each pixel is directed to a known point along ... | 06/28/1994 |
| 5319534 | Series-parallel active power line conditioner utilizing reduced-turns-ratio transformer for enhanced peak voltage regulation capability The present invention provides an improved active power line conditioner which achieves a significant improvement in peak voltage regulation capability when compared with a similarly-sized device of the prior art. Enhanced peak voltage regulation capabili... | 06/07/1994 |
| 5309353 | Multiple reference frame controller for active filters and power line conditioners An electrical control system includes multiple frames of reference in the error path of a controller. In each such frame, a particular chosen component of the error vector appears as a constant vector and is passed through a pure integrator thus acquiring... | 05/03/1994 |
| 5304957 | Low jitter phase locked loop for single phase applications A circuit for producing an output signal representative of the phase angle of a single phase input signal includes a phase shift generator for receiving a single phase input signal and for generating a quadrature signal and a direct signal in response to ... | 04/19/1994 |
| 5263191 | Method and circuit for processing and filtering signals A method for processing electrical signals includes the steps of: storing a plurality of first digital data signals each representative of an instantaneous amplitude of a first input signal in a memory; selecting one of the first digital data signals in r... | 11/16/1993 |
| 5258690 | TFEL edge emitter module with hermetically-sealed and refractive index-matched solid covering over light-emitting face A TFEL edge emitter assembly has a TFEL edge emitter module composed of a substrate and an EL stack supported on the substrate and having a light-emitting front edge, and a covering of solid material overlying the EL stack and attached to the substrate. T... | 11/02/1993 |
| 5233242 | Superconducting push-pull flux quantum gate array cells Push-pull flux quantum gate array cells synchronously process a pair of polarized data signals. These polarized data signals can be derived from dual polarity data signals by separating the input signals into positive polarity data signals and negative po... | 08/03/1993 |
| 5233243 | Superconducting push-pull flux quantum logic circuits Push-pull flux quantum superconducting digital logic circuits are provided with a circuit branch having a pair of Josephson junctions electrically connected in series with each other. This circuit branch is connected between positive and negative bias vol... | 08/03/1993 |
| 5202700 | Array fed reflector antenna for transmitting & receiving multiple beams An array fed reflector antenna includes a reflector and a distributed feed array. The reflector has a portion with a dual parabolic shape. The distributed feed array transmits and receives a plurality of electromagnetic energy beams simultaneously, and is... | 04/13/1993 |
| 5200643 | Parallel electric power supplies with current sharing and redundancy An electric power system having power supplies connected in parallel to a common bus includes a voltage feedback and current feedback loop for each supply. A voltage feedback signal and a current feedback signal are combined with a reference signal to pro... | 04/06/1993 |
| 5198815 | Two loop superconducting sigma-delta analog-to-digital converters A two-loop superconducting sigma-delta analog-to-digital converter includes a first superconducting inductor to which the analog signal is applied. A resistor converts to current in the first inductor to a voltage which is applied to a second superconduct... | 03/30/1993 |
| 5194816 | Method and apparatus for locating electrical shorts between concealed conductive objects A method for determining the spacial relationship between concealed elongated conductors wherein a test signal is coupled to a first concealed conductor and conductively coupled to a second adjacent concealed conductor. The relative direction of the curre... | 03/16/1993 |
| 5170080 | Superconducting push-pull flux quantum digital logic circuits Superconducting digital logic circuits constructed in accordance with this invention include a circuit branch having first and second Josephson junctions electrically connected in series with each other, with a junction point between the first and second ... | 12/08/1992 |
| 5164618 | Superconducting gate array cells Superconducting timed gate array cells for use in single-rail logic circuits are provided by adding inputs to modified variable threshold logic (MVTL) timed inverter circuits. Data signals which are inphase with a first phase of a power source are coupled... | 11/17/1992 |
| 5146198 | Segmented core inductor A multiple phase inductor includes a magnetic core having two end pieces and a plurality of legs extending between the end pieces to form flux paths which pass through the end pieces and the legs. Each leg includes a stack of "I" shaped laminations which ... | 09/08/1992 |
| 5144247 | Method and apparatus for reducing IR error in cathodic protection measurements An apparatus for measuring cathodic protection voltage levels on a concealed conductive structure, includes a probe having a standard half cell reference electrode, a working electrode and an auxiliary electrode mounted in a fixed spacial relationship to ... | 09/01/1992 |
| 5140324 | Superconducting sigma-delta analog-to-digital converter A superconducting sigma-delta analog-to-digital converter utilizes a superconducting inductor as the integrator and a Josephson junction connected in series between the inductor and ground as the quantizer. A SQUID generates sampling pulses at a selected ... | 08/18/1992 |
| 5140245 | PMG-based position sensor and synchronous drive incorporating same A multiphased permanent magnet generator (PMG) driven by a rotating shaft, generates a multiphase output which is integrated and applied as the input to a high resolution phase locked loop having a binary counter with an output phase locked to the PMG mul... | 08/18/1992 |
| 5139055 | Liquid cooled electric generating apparatus and method for filling a liquid circulation system therein A liquid cooled electric generating apparatus is provided with a liquid circulation system that is divided into two portions. One of the portions includes a rotor mounted in a rotor cavity such that rotation of the rotor expels liquid from that portion of... | 08/18/1992 |
| 5121341 | Method and apparatus for automatically reoiling an electric generator A method for automatically replenishing oil in a coolant system of an electric generator produces a first signal representative of the speed of the generator and a second signal representative of the pressure of oil in the coolant system of the generator.... | 06/09/1992 |
| 5117174 | Electric power system with line drop compensation An electric power system having line drop compensation includes a controllable electric power source having an output for supplying voltage to a power bus, a local voltage regulator for monitoring the output voltage of the power source and for producing a... | 05/26/1992 |
| 5113125 | AC drive with optimized torque Apparatus to extend the speed range and maximize torque of an ac drive by optimizing the torque angle as a function of speed. Using the back-emf of the machine, or the voltage from a permanent magnet generator mounted on the mtor shaft for reference, a no... | 05/12/1992 |
| 5073724 | Programmable inverse time delay circuit An inverse time delay circuit includes an integrator for receiving a signal representative of a voltage or current in an external circuit and a reference signal. The integrator produces a control signal representative of the integral of the difference bet... | 12/17/1991 |
| 5069748 | Method for forming refractory resistors with etch stop for superconductor integrated circuits This is a structure of, and method for preparation of, molybdenum resistors in a superconductor integrated circuit. It utilizes a pattern superconductor film; applying a titanium film on the patterned superconductor film; and then applying a molybdenum fi... | 12/03/1991 |
| 5048065 | Method and circuit for controlling the frequency of an electronic inverter A method for modifying the frequency of a clock signal includes the steps of producing a clock signal having voltage pulses which occur at a first frequency and producing a control signal having voltage pulses which occur at a lower frequency. The frequen... | 09/10/1991 |
| 5047915 | Unrestricted frequency converter for unbalanced loads A current fed unrestricted frequency converter (UFC) for supplying power with balanced voltages to a three-phase unbalanced load generates two sets of existence functions for controlling the switching matrices of the UFC to generate positive and negative ... | 09/10/1991 |
| 5047890 | Differential current protection circuits A differential protection circuit includes a pair of current transformers each having a secondary winding and each being inductively coupled to a power conductor at a different location. The secondary windings of these transformers are electrically connec... | 09/10/1991 |
| 5027002 | Redundant power bus arrangement for electronic circuits A redundant power bus arrangement for electronic circuits controls the application of voltage from a power source to an active circuit card and a standby circuit card. Current limited switches are used to connect the power source to the active or standby ... | 06/25/1991 |
