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An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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| Number | Title | Issue Date |
| 7463473 | Resonance field discharge A field discharge circuit may rapidly reduce the field current of a generator, thereby avoiding an overvoltage condition. The field discharge circuit of the present invention may use another storage device, such as a capacitor, to quickly transfer the field current ... | 12/09/2008 |
| 7369391 | Drive circuit of direct-current voltage-driven magnetic contactor and power converter In a direct-current voltage-driven magnetic contactor, a main contact is in an open circuit condition in an attraction period of an initial period of excitation by an operating coil, and in a closed circuit condition in a subsequent holding period, and a drive circu... | 05/06/2008 |
| 7349192 | Method of operating a device for controlling electric actuators with optimum actuation current distribution There is described a method of operating a device (1) controlling electric actuators (3), and having a pair of input terminals (4, 5) connected to an electric energy source (6, 10); a number of pairs of output terminals (7, 8), bet... | 03/25/2008 |
| 7349193 | Solenoid driver with high-voltage boost and reverse current capability Prior to the operation of a solenoid type of fuel injector, a DC voltage is applied across the injector to create a current through the injector that is below the activation current of the injector. A capacitor is then placed in series with the injector and the flyb... | 03/25/2008 |
| 7233478 | Method and apparatus for protecting a solenoid and its driving circuit in an electronic device A circuit for protecting a solenoid and/or receipt printer in an electronic device, such as a point-of-sale terminal, includes a resistance and a capacitance. The resistance is electrically coupled in parallel with the capacitance, and the parallel network of resist... | 06/19/2007 |
| 7203609 | Magnetic field generating apparatus and magnetic field controlling method When a sine wave is supplied from a sine wave oscillator through a resonant capacitor selection circuit, an alternating electric and magnetic field is generated on a loop coil. A magnetic intensity detection coil supplies an electromagnetic field signal to a control... | 04/10/2007 |
| 7190102 | Apparatus and method for charging and discharging a capacitor to a predetermined setpoint An apparatus using electrically-stimulated smart material requires a power source to stimulate the material. This power source has three main functions, (1) to apply a known voltage potential across the smart material, (2) to convert from the control voltage to a le... | 03/13/2007 |
| 7161787 | Low power solenoid driver circuit The present invention provides a system and method for controlling a solenoid that ensures accurate timing between the enabling of the driving circuit and the activation of the solenoid, while simultaneously providing a two energy level driving scheme to reduce powe... | 01/09/2007 |
| 7154729 | Solenoid drive apparatus In a solenoid driving device of the type in which energy stored in a capacitor is used for re-driving of the solenoid, the generation of heat in a current back-flow preventing circuit preventing the back-flow of current to a power supply terminal is suppressed, and ... | 12/26/2006 |
| 7051913 | Safety control circuit for direct current electromotive nail driver A safety control circuit for a direct current electromotive nail driver comprises: a direct current power source for supplying power to the circuit; a control and protecting unit having a security switch, a trigger switch and a stop switch; and a motor for driving a... | 05/30/2006 |
| 7011379 | Control circuit for a controlled electro-magnetic valve of an automotive braking system A control circuit for a controllable electric solenoid valve of a brake system of a motor vehicle is described, in which the actual values of a controlled variable (f(t)), e.g., the vehicle deceleration, a wheel slip, a driving speed, an angle of rotation or the lik... | 03/14/2006 |
| 6930611 | Water activated release triggering mechanism A water activated release triggering mechanism is removably held to an exterior surface of a buckle housing and includes at least two probes and at least two batteries distributed between independent paths, for firing a squib. The distribution of batteries between i... | 08/16/2005 |
| 6917506 | Control apparatus for master/slave outlets A control apparatus for master/slave outlets having a current sensor, a driver, a large current switch component and a direct-bucking type power supply such that the working power source required by the master/slave equipment can be supplied stably. Further, the con... | 07/12/2005 |
| 6900973 | Electromagnetic load drive apparatus A drive apparatus supplies electric power to a solenoid of an inductive load from a battery and a capacitor to improve response of the load. The drive apparatus comprises switches for switching between a first state where a negative side of the battery is connected ... | 05/31/2005 |
| 6850139 | System for writing magnetic scales The invention relates to a system for pulse magnetizing high-precision magnetic scales. The system comprises a shaped current conductor (1) and a pulse current source (2) that is composed of a capacitor bank (3), a transfer switch (4) and... | 02/01/2005 |
| 6785111 | Electric charge detector Electrostatic discharge can damage electronic equipment. It has been known to start a fire when it occurs when a motor vehicle's gasoline tank is being filled. A device for detecting, alarming, and/or neutralizing an electrostatic charge can help avoid these problem... | 08/31/2004 |
| 6721158 | Method for providing current by means of an inductive component There is suggested a simple and cost-economical circuit arrangement for specifying the current through an inductive component, in which the inductive component is acted on by the supply voltage through a switching element. To ensure a rapid and reliable increase of ... | 04/13/2004 |
| 6714398 | Bulk degausser with fixed arrays of magnetic poles configured for thick and small form factor, high coercivity media A bulk degaussing apparatus and method for erasing magnetic media of various sizes. A media passage track is provided such that media passing therethrough is uniformly exposed to the magnetic fields provided through the gap. The bulk degaussing apparatus has fixed m... | 03/30/2004 |
| 6639781 | Electromagnetic dent remover power supply A power supply for an electromagnetic force system comprising a slow current pulse system in parallel with a dumping circuit feeding a blocking inductor in parallel with a series of diodes; a fast current pulse system of opposing polarity and parallel to ... | 10/28/2003 |
| 6587325 | Equipment load safety circuit A safety circuit according to the invention controls operation of an equipment load. A manual control switch of the safety circuit is connected in series with the equipment load for controlling the flow of electrical current to the equipment load. The equ... | 07/01/2003 |
| 6504699 | Method and device for driving a solenoid valve A method and a device are proposed for driving a solenoid valve that has stroke ranges of a stable equilibrium of forces and stroke ranges of an unstable equilibrium of forces. For setting the predetermined differential pressure across the solenoid valve,... | 01/07/2003 |
| 6407593 | Electromagnetic load control apparatus having variable drive-starting energy supply In an electromagnetic injector control apparatus for an engine, a capacitor is connected to a power supply and a solenoid of an injector for accumulating electric charge at a voltage higher than that of the power supply. A driving circuit controls transis... | 06/18/2002 |
| 6360725 | Method and device for controlling an electro-magnetic load A method and device for driving at least one electromagnetic load, in particular a solenoid valve, for controlling an injection of fuel into an internal combustion engine, using a drive circuit equipped with an electronic switching device and at least one... | 03/26/2002 |
| 6236554 | Electroactuator control device and method for controlling this control device The control device comprises a piloting circuit for the electroactuators and a timing circuit which generates timing signals supplied to the piloting circuit for control of the electroactuators. The piloting circuit has a first and a second input terminal... | 05/22/2001 |
| 6166896 | Method of increasing the cast-off speed of the armature in an electromagnetic actuator A method of increasing a cast-off speed of an armature from a pole of an electromagnet of an electromagnetic actuator, includes the following steps: holding the armature at the pole against a force of a resetting device by maintaining an electric holding ... | 12/26/2000 |
| 6142124 | Method and device for controlling a load A method and a device for controlling a load, in particular a solenoid valve for controlling the quantity of fuel to be injected. The load receives a bias current value before being activated. This bias current value is adapted.... | 11/07/2000 |
| 6123058 | Injector drive circuit An injector drive circuit capable of driving an injector of an internal combustion engine without using a DC-DC converter expensive. The injector drive circuit includes a power circuit for converting a voltage outputted from a magneto mounted on the engin... | 09/26/2000 |
| 6123092 | Electromagnetic solenoid valve drive circuit A circuit for driving an electromagnetic solenoid valve, used as a fuel injector in an internal combustion engine, having a needle valve biased in a closing direction by a spring and a solenoid which moves the needle valve in an opening direction when ene... | 09/26/2000 |
| 6061226 | Relay circuit with cyclical controlled capacitor There is proposed a circuit for operation of at least one relay having an OFF-position and an ON-position, wherein the relay assumes the OFF-position in the event of a component failure of any element of the circuit. In the ON-position of the relay a capa... | 05/09/2000 |
| 6021038 | Control circuit for an electric door strike using a latching solenoid A control circuit for a latching solenoid incorporated in an electric door strike, the latching solenoid permitting the use of low power control pulses and the control circuit insuring reliable fail safe or fail secure operation with ready conversion betw... | 02/01/2000 |
| 5938172 | Solenoid valve drive system A solenoid valve drive system includes a step-up circuit that produces a first high voltage by using a switching device to on/off control supply of current from a battery to a step-up coil and stores the first high voltage in a first capacitor as a high v... | 08/17/1999 |
| 5940262 | Control circuit for an electromagnetic device for controlling an electromagnetic fuel control valve A control circuit for an electromagnetically operable fuel control valve of a vehicle engine includes a tank capacitor which upon closure of first and second controllable switches supplies current to the winding of the valve to achieve a high rate of rise... | 08/17/1999 |
| 5936827 | Device for controlling at least one electromagnetic load A device for controlling at least one electromagnetic load, which includes a first switching device arranged between a first terminal of a supply voltage and a first terminal of at least one load, and a second switching device arranged between a first ter... | 08/10/1999 |
| 5907465 | Circuit for energizing EAS marker deactivation device with DC pulses of alternating polarity A device for deactivating magnetomechanical EAS markers includes a storage capacitor and a coil for generating a deactivation field. A bridge arrangement of four switches interconnects the coil with the storage capacitor and with circuit ground. The switc... | 05/25/1999 |
| 5889645 | Energy preservation and transfer mechanism An arrangement for driving actuator coils for two or more driven devices employs a microprocessor or similar controller and an actuator driver circuit. The actuator driver circuit controls two or more relay actuator coils from a single microprocessor outp... | 03/30/1999 |
| 5877931 | Device for controlling inductive loads, in particular of injectors of an internal combustion engine injection system The control device has a drive circuit, in turn having a number of modular circuits--one for each inductor--activated selectively and receiving timing signals, and a common circuit connected to the modular circuits and cooperating with the activated modul... | 03/02/1999 |
| 5796223 | Method and apparatus for high-speed driving of electromagnetic load An apparatus for driving an electromagnetic load by applying a high voltage at the initial driving stage and thereafter applying a constant hold current is provided with a switch for supplying high-voltage energy to the electromagnetic load from a capacit... | 08/18/1998 |
| 5781111 | Apparatus for deactivation of electronic article surveillance tags In accordance with the present invention there is provided an apparatus for deactivating electronic article surveillance tags comprising a deactivation coil, a capacitor, charging means for charging the capacitor to a predetermined level, and an electroni... | 07/14/1998 |
| 5717562 | Solenoid injector driver circuit A solenoid driver circuit is controlled by an electronic control module ("ECM") and eliminates many components required for a high voltage power supply required by the prior art. The solenoid driver circuit includes a high voltage select switch, a select ... | 02/10/1998 |
| 5652691 | Electrically operated control device and system for an appliance and method of operating the same An electrically operated control device and system for an appliance and method of operating the same are provided, the system comprising a power source of alternating electrical current that has a repeating voltage wave cycle and a repeating current wave ... | 07/29/1997 |
