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 |
| 8247925 | Power source stabilization circuit, electronic device and testing apparatus A power source stabilization circuit provided within a chip of an electronic device is provided. The power source stabilization circuit stabilizes a power source voltage supplied to an operational circuit of the electronic device. The power source stabilization circ... | 08/21/2012 |
| 8164221 | Controlled series compensator and method A control apparatus for a controlled series compensator including a plurality of reactance elements each having a rapid switch for connecting and disconnecting the reactance in series with an electric power transmission line. The apparatus also includes a steady sta... | 04/24/2012 |
| 8134255 | Noise cancellation circuit, analog signal processing circuit, and electronic instrument A cancellation signal generation section generates a cancellation signal which cancels an alternating-current component of a power supply terminal voltage of a digital signal processing circuit section, and a synthesis section synthesizes the generated cancellation ... | 03/13/2012 |
| 8022575 | Damping electromagnetic oscillations in power systems Exemplary embodiments of the present disclosure provide a method and controller for damping multimode electromagnetic oscillations in electric power systems which interconnect a plurality of generators and consumers. The controller for damping such oscillations incl... | 09/20/2011 |
| 7839027 | Frequency responsive charge sustaining control of electricity storage systems for ancillary services on an electrical power grid Systems, apparatus, and methods are provided for maintaining the state of charge of energy storage devices such as batteries, flywheel, capacitors, or other technologies that are energetically coupled with the electricity grid to support ancillary services. To relia... | 11/23/2010 |
| 7622826 | Flicker improvement effect evaluating system A flicker improvement effect evaluating system evaluates an effect of improvement of voltage flicker in a power system to which a static reactive power compensator is to be introduced. A system voltage operating unit operates a compensation current and a system impe... | 11/24/2009 |
| 7535124 | Voltage stabilizer The voltage stabilizer for stabilizing a voltage of a circuit includes a first resistor, a second resistor, a voltage controller, and a current supply unit. The voltage controller keeps a voltage of the first resistor constant. The current supply unit supplies a fir... | 05/19/2009 |
| 7321834 | Method for calculating power flow solution of a power transmission network that includes interline power flow controller (IPFC) Power flow models of Interline Power Flow Controllers (IPFC) for large-scale power systems are studied, in details. Mathematical models of the IPFC, using the d-q axis decompositions of control parameters are derived. In this framework, for each IPFC, only two contr... | 01/22/2008 |
| 7180206 | System for voltage stabilization of power supply lines The invention relates to a voltage stabilization system for power supply lines, comprising a variable inductance, an autotransformer and a system for controlling the variable inductance to automatically compensating for voltage variations of the power supply lines. ... | 02/20/2007 |
| 7091632 | Stabilization circuit for compensating fluctuations in a voltage at a user A stabilization circuit wherein voltages of the secondary winding of a transformer are stabilized with respect to mains voltage fluctuations and load fluctuations, an auxiliary voltage is derived either from a secondary winding of the transformer or an auxiliary tra... | 08/15/2006 |
| 7091703 | Dynamic reactive compensation system and method The invention features a system for connection to a utility power network. The system includes a reactive power compensation device coupled to the network and configured to transfer reactive power between the utility power network and the reactive power compensation... | 08/15/2006 |
| 7043379 | Method for quantifying I/O chip/package resonance A method for quantifying effects of resonance in an integrated circuit's power distribution network is provided. The power distribution network includes a first power supply line and a second power supply line to provide power to the integrated circuit. Test ranges ... | 05/09/2006 |
| 6909203 | I/O interface anti-resonance passband shunting technique A method and apparatus for regulating resonance in a computer system I/O interface is provided. A shunting impedance/resistance is arranged across a power supply of the I/O interface. The shunting impedance/resistance is controlled by circuitry that is arranged to d... | 06/21/2005 |
| 6906434 | Electric utility system with superconducting magnetic energy storage a voltage recovery device is configured to provide real and reactive power to a utility power network at a sufficient level and for a sufficient duration to recover the voltage on the utility power network within a predetermined proportion of the nominal voltage, fo... | 06/14/2005 |
| 6879061 | Current adjusting apparatus and current adjusting method A direction and a magnitude of a current flowing between an external alternating current power source (20) and a load (30) are detected by a current transformer (11). A voltage generated to a secondary winding (11B) of the current transfo... | 04/12/2005 |
| 6590302 | Method for reducing natural system oscillations to ground potential in an electrical drive having a voltage intermediate circuit A method for reduction of natural system oscillations in an electric motor which is operated using a converter with a voltage intermediate circuit, by periodically decoupling the voltage intermediate circuit (UZK) from the supply mains system (... | 07/08/2003 |
| 6559561 | Method and a device for damping power oscillations in transmission lines In a method for damping power oscillations in a transmission line, at least one first angular-frequency signal is generated, representing a first angular frequency which is given by a prior knowledge of oscillation frequencies expected in the power system... | 05/06/2003 |
| 6476521 | Power oscillation protection The present invention discloses a system protection scheme comprising of at least two system protection terminals (18), introduced at suitable locations in an electric power system (1). The system protection terminals (18) are interconnected by a communic... | 11/05/2002 |
| 6181113 | Harmonic resonance control and protection system for switched power factor control capacitor devices A method and system for preventing sustained resonance conditions in a power system involves measuring voltage and current samples on a conductor to which a plurality of controlled capacitors are operatively coupled. The measured voltage and/or current is... | 01/30/2001 |
| 6178076 | Power-electronic circuit arrangement for compensating for mains system disturbances and mains voltage reductions In a power-electronic circuit arrangement for compensating for mains system voltage reductions and mains system disturbances, a second auxiliary voltage source is provided, whose voltage is chosen to be less than that of the first auxiliary voltage source... | 01/23/2001 |
| 5969624 | Battery charge control system for a hybrid vehicle driven by an electric motor and an internal combustion engine A hybrid vehicle comprises a motor driving the vehicle's wheels, multiple batteries supplying electric power to the motor, and a generator driven by an internal combustion engine to generate electric power for charging the batteries. Battery sensors detec... | 10/19/1999 |
| 5825162 | Electric power flow controller An electric power flow controller for controlling an electric power flow of a power system includes a semiconductor switch for controlling a series reactance of the power system. The electric power flow controller includes a first winding having at least ... | 10/20/1998 |
| 5801459 | Control equipment for a series capacitor connected into an electric power line Control equipment (CE) for a series capacitor (1) connected into an electric power line (2) has a semiconductor valve (3), which is controllable in both directions, for connection in parallel with the capacitor. An inductor (4) is adapted to form, togethe... | 09/01/1998 |
| 5745368 | Method for voltage stability analysis of power systems A method for Voltage Stability Analysis of a bulk power supply system is taught. Briefly stated, a computationally efficient method is disclosed which is appropriate for low and high voltage applications as well as differing types of loads and load change... | 04/28/1998 |
| 5729191 | Vehicle security system having enhanced control features A vehicle security system includes a controller for performing a function responsive to receipt of a corresponding command signal, and a remote transmitter for sending a command signal from a plurality of banks of command signals. More particularly, the r... | 03/17/1998 |
| 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 |
| 5625277 | Dynamic mechanically switched damping system and method for damping power oscillations using the same A dynamic mechanically-switched damping (DMSD) system is described which utilizes one or more mechanical switches and appropriate controls to switch series or shunt reactive impedances in order to provide power oscillation damping in power systems. The DM... | 04/29/1997 |
| 5621305 | Overload management system An overload management system is provided, including a method and an apparatus, for controlling the operation of electrical equipment in a short-term overload region above the equipment's continuous capability operation curve, without suffering significan... | 04/15/1997 |
| 5604656 | Electromechanical relays A device for preventing welding of the switch contacts of a heavy duty electromechanical relay comprises means (15, 16 and 17) adapted in use for monitoring the voltage supply to the relay coil (2) and detecting low voltage excursions therein. A counter (... | 02/18/1997 |
| 5574320 | Load drive circuit The invention relates to a load drive circuit which is able to detect an "on" fault of a switch element for controlling power to a load, and reliably interrupt the load current. A monitoring sensor is provided which generates an output when energy is supp... | 11/12/1996 |
| 5566085 | Stability transfer limit calculation in a power transmission network A transient or voltage stability transfer limit is calculated for a power network having at least two independent AC generators supplying a common load via separate AC transmission lines having at least one bus. Steady state values for variable characteri... | 10/15/1996 |
| 5424627 | Modular thyristor controlled series capacitor control system A modular thyristor controlled series capacitor (TCSC) system, including a method and apparatus, uses phase controlled firing based on monitored capacitor voltage and line current. For vernier operation, the TCSC system predicts an upcoming firing angle f... | 06/13/1995 |
| 5374853 | Transient damping thyristor controlled series capacitor system A thyristor controlled series capacitor (TCSC) system, including a method and apparatus, uses phase controlled firing based on monitored capacitor voltage and line current. For vernier operation, the TCSC system predicts an upcoming firing angle for switc... | 12/20/1994 |
| 5329222 | Apparatus and method for dynamic voltage restoration of utility distribution networks A system and method is provided compensating utility distribution line transients such as voltage sags in a dynamic manner, by inserting a voltage signal in series with the distribution signal having a magnitude and phase to effectively cancel out the vol... | 07/12/1994 |
| 5309346 | Transmission line fault current dynamic inverter control A fault current surge bypassing and transitional impedance compensation system for preventing subsynchronous currents on electrical power lines, with parallel lines being protected from the clearing of transient faults. Capacitor banks serve as only a par... | 05/03/1994 |
| 5262677 | Reactor subsynchronous tuning scheme A scheme for counteracting subsynchronous resonance in an AC power system that comprises a passive device in combination with a line inductive shunt reactor (L10). The device is connected from the neutral end (N) of the reactor (L10) to ground and compris... | 11/16/1993 |
| 5256919 | Method for preventing the oscillation of an RF power module The invention relates to a method and a circuit arrangement for preventing the oscillation of a radio frequency power module (IC1). According to the method of the invention a coupling element (Q7), preferably a bipolar transistor, which is made conductive... | 10/26/1993 |
| 5235503 | Process and device for eliminating or reducing harmonics and/or resonance oscillations An a.c. machine (7) with, connected in parallel thereto, a capacitor bank (CR, CS, CT), which are fed by a converter (1-4) with a d.c. intermediate circuit, form a resonant system which is excited by the rectangular current of an inverter (4) of the conve... | 08/10/1993 |
| 5227713 | Vernier control system for subsynchronous resonance mitigation A subsynchronous resonance mitigation system, including a method and apparatus, for damping undesirable subsynchronous resonance oscillations in a generator, which, if left unchecked, may damage the shafts of a turbine-generator set. A remote coupling app... | 07/13/1993 |
| 5202583 | Thyristor controlled series capacitor vernier control system A firing control scheme, including a method and apparatus, for secure vernier operation of a thyristor controlled series capacitor (TCSC) in series with a transmission line uses phase controlled firing based on monitored capacitor voltage and line current... | 04/13/1993 |
