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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 |
| 7787265 | Self-coupled driver used in dual-switch forward power converter A dual-switch forward power converter, and a method of operating the same, employs a self-coupled driver to achieve among other advantages higher efficiency, lower part count and component cost. In one aspect of the present invention, a power converter comprises a t... | 08/31/2010 |
| 7760521 | Half-bridge resonant converter A half-bridge resonant converter includes: a primary winding; a secondary winding having a first and a second end and a central point; a first electronic switch; a second electronic switch; a first power-storage element; a second power-storage element; and a load ha... | 07/20/2010 |
| 7746674 | Self-oscillating power converter A push-pull type self-oscillating power converter uses a main power transformer connected to a current transformer in series in such a way that a secondary current flowing through secondary sides of the two transformers is feedback to the primary side of the current... | 06/29/2010 |
| 7423890 | Push-pull converter, in particular for driving cold-cathode fluorescent lamps A push-pull converter has a transformer provided with a primary winding and a secondary winding. A capacitive element is connected between the input terminals of the primary winding, and two switch elements are arranged between a respective input terminal of the pri... | 09/09/2008 |
| 7362594 | Adaptive resonant switching power system A resonant switching power system operates with two resonant frequencies. A first frequency depends on the secondary leakage inductance of an output transformer and capacitor. The first frequency varies with changes in the load because load changes alter the leakage... | 04/22/2008 |
| 7315133 | Discharge lamp lighting apparatus A discharge lamp lighting apparatus is provided which includes: a high-voltage transformer; a switching circuit to drive the primary side of the transformer; a frequency changing means to change an operating frequency of the switching circuit according to lighting c... | 01/01/2008 |
| 7292463 | DC-AC converter and controller IC therefor A semiconductor switch circuit is connected to a primary winding of a transformer having a secondary winding connected to a load. The semiconductor switch circuit has switches controlled by PWM to provide a controlled constant current. In the inventive inverter, con... | 11/06/2007 |
| 7288923 | Voltage-limited electric machine An electric alternator having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits around different portions of the winding which may be configured relative to one another... | 10/30/2007 |
| 7272022 | DC-AC converter and method of supplying AC power A dc-ac converter capable of supplying a finely regulated ac drive voltage to a load is provided. For this purpose, the converter includes, in a primary winding of a transformer, a full-bridge or half-bridge type semiconductor switch circuit whose switches can be co... | 09/18/2007 |
| 7263388 | Charging system for portable equipment A wall (103 in FIG. 1) is erected perpendicularly to a floor (101), and a charger body (105) in which a primary side coil (201) and a power feed portion (203) are included is mounted on the wall (103). An induction co... | 08/28/2007 |
| 7254938 | Power supply and transformer A circuit for providing a potential difference across a gap between two electrodes of a fuel reformer, oxides of nitrogen trap or soot filter regenerator for an internal combustion engine or the like. The circuit includes a power source, a transformer including a pr... | 08/14/2007 |
| 7253565 | Apparatus for supplying power, backlight assembly and liquid crystal display apparatus having the same Disclosed are a power supplying apparatus, a backlight assembly and an LCD apparatus having the same. A control section outputs a switching signal so as to control an output of a constant current supplied to a lamp unit in response to on and/or off signals and a dim... | 08/07/2007 |
| 7239498 | Mining solenoid The invention relates to a mining electromagnet for the switching of hydraulic pilot valves or main control valves used in underground mining operations, with a coil which can be connected to an intrinsically-safe power unit, with an armature which can be displaced ... | 07/03/2007 |
| 7196915 | Integrated transformer based step-up converter A step-up converter based on an integrated transformer, comprising a self-resonating oscillator circuit that has inductive elements constituted by primary and secondary windings of at least one first transformer, the self-resonating oscillator circuit being powered ... | 03/27/2007 |
| 7193866 | Half-bridge LLC resonant converter with a synchronous rectification function The invention discloses a half-bridge LLC resonant converter with a synchronous rectification function that includes a first switch; a second switch; a first transformer; a first synchronous rectifier; a second synchronous rectifier; a controller; and a second trans... | 03/20/2007 |
| 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 |
| 7180503 | Inductive power source for peripheral devices A system for providing power to a computer peripheral device during the normal operation of the device is disclosed. A base is provided that includes a winding of a coil. The winding is driven to make a constantly changing magnetic field. The peripheral device also ... | 02/20/2007 |
| 7180248 | Inductively coupled ballast circuit A ballast circuit is disclosed for inductively providing power to a load. The ballast circuit includes an oscillator, a driver, a switching circuit, a resonant tank circuit and a current sensing circuit. The current sensing circuit provides a current feedback signal... | 02/20/2007 |
| 7162655 | Method and system for information handling system power control Power supply response to variations in power demand by a microprocessor is improved with a compensation loops that estimate changes in load current with improved speed. The load current estimate is performed in part with a capacitance feed forward compensation loop ... | 01/09/2007 |
| 7153178 | Method of manufacturing a lamp assembly A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connected in series with the lamp an... | 12/26/2006 |
| 7133298 | High frequency voltage regulating transformer based converter A switching regulator and method of fabricating a switching regulator is disclosed. In one embodiment a switching regulator comprises a transformer having a primary winding and a secondary winding, an inductor (L) connected to an input of the primary winding, and a ... | 11/07/2006 |
| 7133299 | Zero voltage switching power conversion circuit A switching power conversion circuit comprises a saturable load assembly, a first switching inductance coil assembly and a second switching inductance coil assembly. The saturable load assembly is composed of a load and a saturable reactor. The first switching induc... | 11/07/2006 |
| 7119611 | On-chip calibrated source termination for voltage mode driver and method of calibration thereof On-chip calibrated source termination for voltage mode driver. An amplifier is disclosed having an internal amplifier with a first output and a second output, the first output interfaced to a non-inverting input through an interface. The second output is coupled to ... | 10/10/2006 |
| 7112952 | Inspection system, inspection method, and method for manufacturing semiconductor device The present invention provides an inspection system of ID chips that can supply a signal or power supply voltage to an ID chip without contact, and can increase throughput of an inspection process and an inspection method using the inspection system. The inspection ... | 09/26/2006 |
| 7105365 | Method of manufacturing a semiconductor device The present invention supplies a manufacturing method of a semiconductor device, which includes a non-contact inspection process capable of confirming if a circuit or circuit element formed on an array substrate is normally performed and can decrease a manufacturing... | 09/12/2006 |
| 7099168 | DC-AC converter and controller IC therefor A semiconductor switch circuit is connected to a primary winding of a transformer having a secondary winding connected to a load. The semiconductor switch circuit has switches controlled by PWM to provide a controlled constant current. In the inventive inverter, con... | 08/29/2006 |
| 7095632 | Dc/ac conversion device and ac power supply method A dc-ac converter capable of supplying a finely regulated ac drive voltage to a load is provided. For this purpose, the converter includes, in a primary winding of a transformer, a full-bridge or half-bridge type semiconductor switch circuit whose switches can be co... | 08/22/2006 |
| 7076206 | System for wireless transmission of electrical power, a garment, a system of garments and method for the transmission of signals and/or electrical energy The invention describes a system for electrical transmission in the field of garments and a corresponding transmitter for this. Electrical circuits in garments are coupled, preferably inductively in a wireless manner with electrical devices and/or electrical circuit... | 07/11/2006 |
| 7072190 | High efficiency power converter A power converter nearly losslessly delivers energy and recovers energy from capacitors associated with controlled rectifiers in a secondary winding circuit, each controlled rectifier having a parallel uncontrolled rectifier. First and second primary switches in ser... | 07/04/2006 |
| 7061266 | Methods and apparatus for improving impedance tolerance of on-die termination elements An impedance calibration circuit in an integrated circuit includes a master current source to force a master current to flow through a first load that is external to the integrated circuit. The master current source includes a stabilized current source to provide a ... | 06/13/2006 |
| 7049833 | Method for optimizing the accuracy of an electronic circuit The present invention provides an apparatus and method for improving the accuracy of circuits. The apparatus includes a replicate circuit and a trim determination circuit. The trim determination circuit includes a measurable circuit element and determines the state ... | 05/23/2006 |
| 7045970 | Electronic ballast for a lamp to be operated with iterative voltage pulses The invention relates to an electronic ballast for a dielectrically impeded discharge lamp (L), which ballast has an inductor (W1, W2, W3) with a winding (W2) that can be short-circuited. ... | 05/16/2006 |
| 7042740 | Soft-switching half-bridge inverter power supply system An inverter power supply system includes a half-bridge inverter circuit which includes a first switching element, a second switching element, a first auxiliary capacitor and a second auxiliary capacitor for converting a DC voltage from a DC power supply circuit to a... | 05/09/2006 |
| 7016209 | Single stage AC/DC converter with piezo transformer A single stage AC/DC converter with piezo transformer is provided. The AC/DC converter is suitable for converting an AC power into a DC power and is comprised of a rectification module, a switching module, a driving module, a piezo transformer, and an output rectifi... | 03/21/2006 |
| 6965839 | Proactive automated calibration of integrated circuit interface An integrated circuit device and system of devices in which a device interface incorporates dynamic, elastic calibration facilities. The interface includes a calibration manager and circuitry for monitoring the interface signals to detect the presence of signal skew... | 11/15/2005 |
| 6960900 | Method and apparatus for starting a gas turbine using a polyphase electric power generator A method to start a combined unit gas turbine and electrical unit having a static start drive including the steps of: applying a variable frequency voltage from the static start drive to a winding of the generator to accelerate the combined unit to a turbine self-su... | 11/01/2005 |
| 6961252 | Switching power supply An AC/DC switching power supply that realizes a high power factor and has little voltage stress on a smoothing capacitor is provided. Also a switching power supply that has little voltage stress on a switch and is suitable for reduction in loss and miniaturization i... | 11/01/2005 |
| 6917163 | Inductively powered lamp assembly A lamp assembly configured to inductively receive power from a primary coil. The inductively powered lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connected in ser... | 07/12/2005 |
| 6917528 | Switching power transmission device A switching power transmission device includes a transformer having primary and secondary windings, and two driving windings, the transformer being connected with an inductance and a capacitor. First and second switch circuits are connected to input power and the tr... | 07/12/2005 |
| 6903914 | DC-DC converter having active transient response compensation circuit employing flyback inductor A DC-DC converter has an output bus coupled to power a load. A voltage transient compensation circuit has a first switch between a voltage input bus and the output bus, and a second switch between the output bus and a flyback transformer coupled to a reference volta... | 06/07/2005 |
