Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 8159198 | Power supply that adjusts a transformer turns ratio to operate efficiently at high and low line input An apparatus for efficient power supply operation variable input line voltages. The apparatus includes a detection module that senses the input line voltage to the power supply and determines whether it is high or low voltage. A turn module sets the turns ratio of t... | 04/17/2012 |
| 8102161 | Stable output in a switching power supply by smoothing the output of the secondary coil This switching power supply provides a stable output. In the switching power supply, at least pairs of secondary side coils are connected to each of the center tap rectifier circuits and the secondary side coils of each of the center tap rectifier circuits are dispo... | 01/24/2012 |
| 7800349 | Voltage dip and undervoltage compensator The present invention relates a system for compensating for a voltage dip and undervoltage containing a primary side and secondary side transformer, a voltage dip/swell detector, and a level detector/switch selector device, wherein the secondary side of the transfor... | 09/21/2010 |
| 7759913 | Apparatus and methods for controlling operation of a single-phase voltage regulator in a three-phase power system Provided are methods for controlling operation of a voltage regulator of a single-phase of a three-phase power system to regulate a measured voltage. One of the methods includes recording a first elapsed time between detecting a first excursion of the measured volta... | 07/20/2010 |
| 7535207 | Tapped converter A converter having a tapped inductor to facilitate controlling operating characteristics of the converter. The converter may be configured as a boost converter with tapping of the inductor at the voltage output and the converter may be configured as a buck converter... | 05/19/2009 |
| 7504806 | Apparatus and methods for controlling operation of a single-phase voltage regulator in a three-phase power system Provided are methods for controlling operation of a voltage regulator of a single-phase of a three-phase power system to regulate a measured voltage. One of the methods includes recording a first elapsed time between detecting a first excursion of the measured volta... | 03/17/2009 |
| 7405544 | Voltage regulating circuit for uninterruptible power supply A voltage regulating circuit has a first switch, a transformer and a second switch. The first switch has an input node, a first node and a second node. The transformer is connected to the switches has a first coil and a second coil. The first coil and the second coi... | 07/29/2008 |
| 7359219 | Power supply A power supply, including a step-up converter, a resonant converter, and control unit. The step-up converter is connected to the resonant converter; the step-up converter and the resonant converter are each connected to the primary control unit. ... | 04/15/2008 |
| 7355369 | On-load transformer tap changing system An on-load transformer tap changing system, for example for a power transformer, wherein the secondary or primary of a transformer includes at least one first tap and one second tap. A main connection circuit is used for permanent connection of the first tap or the ... | 04/08/2008 |
| 7339809 | Systems and methods for electrical power regulation and distribution in aircraft The present invention comprises systems and methods for electrical power regulation and distribution. In an embodiment, a system includes a modulator coupled to the source that receives an unregulated output waveform and is operable to produce a first composite wave... | 03/04/2008 |
| 7339808 | Method and apparatus for DC to AC power generator The dc to ac power generator has a DC power source which is connected at one pole to the primary of a conventional voltage transformer, and at its other pole to a relay controlled switching system. A mechanical switch of the relay is connected to the opposite pole o... | 03/04/2008 |
| 7330359 | Power supply unit The present invention is directed to a power supply unit that provides large power supply to the load. The voltage detector 51 generates a voltage detection signal by detecting the voltage generated at the output terminals 21, 22. The current detector ... | 02/12/2008 |
| 7298238 | Programmable microtransformer A programmable transformer incorporating windings embedded in a thin film substrate. The windings are flat wire traces embedded into the substrate, primary on one side and secondary on the other. The secondary windings may be planar or different coils spatially arra... | 11/20/2007 |
| 7274574 | Magnetically controlled transformer apparatus for controlling power delivered to a load with current transformer feedback A circuit with a magnetically variable transformer having primary and secondary windings wound on a magnetic core wherein the transformer core with associated windings is placed in close proximity to an independently wound control coil. The transformer core is place... | 09/25/2007 |
| 7271572 | Apparatus and methods for providing a voltage adjustment for single-phase voltage regulator operation in a three-phase power system Provided is an apparatus and method for providing a voltage reduction for single-phase voltage regulator operation in a three-phase power system. The voltage regulator includes a plurality of tap positions selectable to adjust a voltage at a load to an in-band area.... | 09/18/2007 |
| 7250743 | Voltage control system The present invention is directed at circuit for controlling a voltage applied to an output voltage terminal from a first voltage level supplied by an input voltage terminal comprising a first switch and a second switch connected in series between said input voltage... | 07/31/2007 |
| 7246273 | Method of, apparatus and graphical user interface for automatic diagnostics The present invention includes a method, apparatus and graphical user interface (GUI) that allows a simple, precise, thorough, automatic and interactive diagnostic system for electronic devices. The present invention fully automates every test item, as a memory devi... | 07/17/2007 |
| 7239091 | Discharge lamp lighting apparatus for lighting multiple discharge lamps A discharge lamp lighting apparatus is provided for lighting a plurality of discharge lamps including one reference lamp and at least one controllable lamp. First variable inductance element and lamp current detecting unit are connected to the reference lamp, second... | 07/03/2007 |
| 7193397 | Voltage converter A voltage converter includes a transformer circuit, a filter, and a controller. The transformer circuit is coupled to the filter, and the controller is coupled to the transformer circuit and the filter. The transformer circuit includes an input port and an autotrans... | 03/20/2007 |
| 7145321 | Current sensor with magnetic toroid A current sensor for sensing current in a primary source, including a primary conductor forming at least one winding on a first portion of a toroid formed from a magnetic material. A secondary source of electrical current from a signal forms a plurality of winding o... | 12/05/2006 |
| 7136293 | Full wave series resonant type DC to DC power converter with integrated magnetics A full wave DC/DC converter magnetically integrates into the transformer assembly the functions of the resonant inductor, magnetizing inductor and the output filter inductor. The primary and the secondary windings are assembled on a gapped center leg of an E-core, w... | 11/14/2006 |
| 7116011 | CPU surge reduction and protection Methods and systems of providing power to a central processing unit (CPU) provide for enhanced surge protection and increased battery life. In one approach, an integrated circuit as a power output stage with an output node, and a voltage regulator coupled to the pow... | 10/03/2006 |
| 7112946 | Transformer with selectable input to output phase angle relationship A three-input induction transformer in which the phase relationship of the power output relative to the power input is selectable/adjustable after the transformer is placed in operation in the field. The transformer includes a primary set of windings and a three-pol... | 09/26/2006 |
| 7109602 | Contactless power supply system and branch box used therefor An arrangement comprising a magnetic body (12) having a hole portion (11) for passage of a primary-side first induction line (2), a primary-side second induction line (5) for electrically feeding a load in a contact less manner, an added ... | 09/19/2006 |
| 7075280 | Pulse-skipping PFM DC-DC converter using a voltage mode control loop A pulse frequency modulation unit controls upper limit level and lower limit level for an output voltage of a DC-DC converter. A voltage mode control loop uses the upper and lower limit levels in a feedback loop to generate a control signal to enable and disable the... | 07/11/2006 |
| 7023193 | Elimination of potential transformer in ANSI Type A voltage regulator An ANSI Type A voltage regulator that eliminates the need for a potential transformer is disclosed. A control unit finds an output voltage by constantly monitoring the input voltage across the utility windings and the stored tap position. The value of the output vol... | 04/04/2006 |
| 6962435 | Condition diagnosing The present invention discloses a method and apparatus (5) for condition diagnosing of an inductive power device (1), such as a transformer or reactor, having power windings (2) immersed in a fluid (3) being cooled by cooling devices (... | 11/08/2005 |
| 6956748 | Switching power supply apparatus A switching power supply apparatus which has an input power source; a transformer having a primary winding, a secondary winding, an input winding and a magnetic flux canceling winding being connected to the secondary winding in series; a main switch for switching an... | 10/18/2005 |
| 6956359 | Synchronous rectification for low voltage motor drive An inductive load driven by power MOSFETs, such as in a low voltage motor drive, using synchronous rectification to reduce the voltage drop across a body diode of a power MOSFET. A comparative feed back circuit measures voltage across the power MOSFET to determine w... | 10/18/2005 |
| 6943534 | Multipurpose transforming device A multipurpose transforming device includes a power supply device that has a power import device and a power output device respectively connected with two side of the power supply device. The power import device and the power output device have connectors used for c... | 09/13/2005 |
| 6924631 | Limiting ring current in short circuit between adjacent partial wingings by increasing leakage impedance Apparatus for regulating an electric voltage in at least one of electric supply networks and consumer units. The apparatus includes a regulating transformer arranged between a network node and at least one end consumer. The regulating transformer utilizes a primary ... | 08/02/2005 |
| 6920571 | Steering circuit and method that gradually counts a voltage output code until matching a voltage input code A voltage regulation steering circuit reads a voltage input code from a device and detects a set of predetermined conditions for gradually counting an output voltage code. Depending upon the set of predetermined conditions, the steering circuit either gradually coun... | 07/19/2005 |
| 6919713 | Switching power supply unit Accumulation and emission of energy in and from a coil having an intermediate tap is controlled by switching a DC input voltage from a DC power source on and off. Controlled voltages generated at a plurality of terminals are rectified and smoothed to output a plural... | 07/19/2005 |
| 6784644 | Multiphase clamp coupled-buck converter and magnetic integration Voltage regulation, transient response and efficiency of a voltage regulator module (VRM) is improved where short duty cycles are necessitated by large differentials of input and output voltage by including at least one clamping of a tap of an inductance in series w... | 08/31/2004 |
| 6762594 | Limiting ring current in short circuits between adjacent partial windings by increasing leakage impedance The invention relates to a method for regulating the electrical voltage in electrical supply networks and/or consumer units and a device for carrying out said method. A regulating transformer (3) is inserted between a network node (1) in the supply net... | 07/13/2004 |
| 6741068 | Voltage stabilizer for electrical energy transportation and distribution applications Voltage stabiliser for electrical energy transportation and distribution applications, which consists of one or several electromagnetic devices of transformer type which, at discrete intervals, regulates the output voltage that reaches the consumer, taking the form ... | 05/25/2004 |
| 6680602 | Reactive power compensator When a voltage of a system is stabilized by connecting the system with two types of voltage regulators, i.e., a slow-response tap-changing transformer and a quick-response reactive power regulator, it is not always clear how characteristics of the reactiv... | 01/20/2004 |
| 6559562 | Voltage sag and over-voltage compensation device with pulse width modulated autotransformer A voltage sag and over-voltage compensation device for an AC electric power distribution system employing cascaded switching devices and a pulse width modulated autotransformer. The autotransformer typically includes lower, center, and upper poles or taps... | 05/06/2003 |
| 6486642 | Tapped-inductor step-down converter and method for clamping the tapped-inductor step-down converter A tapped-inductor step-down converter and method for clamping same with a clamping capacitor so that MOSFETs can be employed to improve circuit efficiency. The converter includes a tapped-inductor and clamping capacitor uniquely arranged to eliminate reso... | 11/26/2002 |
| 6483279 | Device for attenuating parasitic voltages A reactance coil (1) has an annular core (2) on which reactance coils are wound. Said reactance coils (3) are divided up into coil sectors 6 (4) that are separated from each other by means of gaps (5) in the windings. The gaps (5) in the windings reduce r... | 11/19/2002 |
