Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 8138741 | High voltage generator in semiconductor memory A voltage generator is provided. The voltage generator includes a voltage pump and a voltage controller. The voltage pump generates a target voltage using a clock signal. The voltage controller compares a temporary voltage input from the voltage pump with a referenc... | 03/20/2012 |
| 7940035 | Control circuit having an impedance modulation controlling power converter for saving power A standby circuit is provides to on/off a power converter for power saving. The standby circuit includes a comparison circuit. The comparison circuit is coupled to a feedback loop of the power converter to generate a mode signal when a feedback signal of the feedbac... | 05/10/2011 |
| 7321255 | Voltage generating circuit, data driver and display unit A voltage generating circuit outputs a generated voltage corresponding to (a+b+c)-bit digital data from a plurality of generated voltages. The voltage generating circuit includes a first selector of each conductive type and 2a pieces of second selectors o... | 01/22/2008 |
| 7292019 | Method for accurately setting parameters inside integrated circuits using inaccurate external components The control precision of one or more parameters of an integrated circuit (IC), for example the output voltage of a voltage regulator comprised in the IC, may be improved even when using inaccurate components external to the IC. Control of the output voltage, or any ... | 11/06/2007 |
| 7227337 | Battery charger with dual use microprocessor A battery charger with a discrete switched regulator provides relatively high efficiency and relatively low cost. Unlike known battery chargers which incorporate switched regulator ICs, the battery charger in accordance with the present invention utilizes the microp... | 06/05/2007 |
| 7202641 | DC-to-DC converter A DC-to-DC converter comprising an input inductor which is connected to an input terminal, an output inductor which is connected to an output terminal, a capacitor which is connected in series with and between the inductors, a switch element which is connected via a... | 04/10/2007 |
| 7202786 | Apparatus, a system and a method for securing and/or for monitoring a device An apparatus, a system and a method secures and/or monitors a device. Additionally, the apparatus, the system and the method attach and/or secure the device to a fixture. The device is connected to an alarm box, an alarm board and/or a power source. The alarm box an... | 04/10/2007 |
| 7196570 | Multiple-time programmable resistance circuit Fuse circuit designs and the use thereof are disclosed. In one example, a fuse circuit providing predictable total resistances for multiple rounds of programming comprises a predetermined number of fuse stages coupled in series. Each stage comprises a first and a se... | 03/27/2007 |
| 7145312 | Battery coupled to adapter and tip A system has an adapter/charger to receive power from a power source and output a first DC power signal. A universal battery receives the first DC power signal directly from the adapter/charger and to supplies a second DC power signal, and the universal battery incl... | 12/05/2006 |
| 7145787 | Programmable power supply A power supply system includes a power source and a control circuit. The power source provides DC power. A control circuit, which is remote to the power source, receives the DC power and provides a first DC power signal to an electronic device. The control circuit i... | 12/05/2006 |
| 7108528 | Power supply connector A power supply connector including a spring loaded member that allows a connector to engage various power receptacles. This engagement of the connector and the power receptacle may reduce a contact resistance between the two components and heat dissipation associate... | 09/19/2006 |
| 7071669 | Reference voltage generation circuit, display driver circuit, display device, and method of generating reference voltage A reference voltage generation circuit includes first to third resistance ladder circuits. The first resistance ladder circuit has at least one variable resistance circuit in which a resistance value between both ends is variable, and outputs multi-valued reference ... | 07/04/2006 |
| 7038523 | Voltage trimming circuit Methods and circuits for minimizing or eliminating the effect of trimming circuits in a voltage generating circuit are provided. In general, the effects of channel resistance of switches of the trimming circuit are reduced by utilizing switches in series with the ou... | 05/02/2006 |
| 7019996 | Power converter employing a planar transformer A power converter may employ a planar transformer to minimize winding conduction loss, and the switching devices of the power converter may be aligned in lines parallel to an edge of the planar transformer to minimize the termination leakage inductance. The windings... | 03/28/2006 |
| 7012555 | Digital potentiometer including at least one bulk impedance device Embodiments of a digital potentiometer are disclosed that require lesser numbers of components than conventional digital potentiometers. A first string of elemental impedance devices, and at least one bulk impedance device, are provided between first and second refe... | 03/14/2006 |
| 6922046 | Variable impedance network with coarse and fine controls An impedance network. The network includes a plurality of impedance elements, at least one end terminal, and a wiper terminal. The network also includes a first plurality of switching elements selectively providing tap positions to the at least one end terminal, sel... | 07/26/2005 |
| 6882136 | Variable impedance network for an integrated circuit potentiometer An impedance network, which includes at least one end terminal, a wiper terminal, a center impedance element, and a first plurality of impedance elements. The wiper terminal provides a tap position at a selected impedance value of the impedance network, selectable a... | 04/19/2005 |
| 6788042 | Variable impedance network for an integrated circuit potentiometer An impedance network, which includes at least one end terminal, a wiper terminal, a center impedance element, and a first plurality of impedance elements. The wiper terminal provides a tap position at a selected impedance value of the impedance network, selectable a... | 09/07/2004 |
| 6744244 | Variable impedance network with coarse and fine controls An impedance network. The network includes a plurality of impedance elements, at least one end terminal, and a wiper terminal. The network also includes a first plurality of switching elements selectively providing tap positions to the at least one end terminal, sel... | 06/01/2004 |
| 6707284 | Programmable power supply A progammable power supply for providing a regulated DC output power is disclosed. The power supply provides the output power to any one of a plurality of electronic devices adapted for receiving the output power at an operational voltage or an operational current. ... | 03/16/2004 |
| 6697060 | Liquid-crystal display, electronic device, and power supply circuit for driving liquid-crystal display A power supply circuit for generating potentials used to drive a liquid crystal, has first to fourth switches (101 to 104) connected in series between a high potential line (105) and a low potential line (106). The first to fourth switches are turned on a... | 02/24/2004 |
| 6693413 | Programmable power supply A progammable power supply for providing a regulated DC output power is disclosed. The power supply provides the output power to any one of a plurality of electronic devices adapted for receiving the output power at an operational voltage or an operationa... | 02/17/2004 |
| 6690149 | Power supply and display apparatus including thereof A power supply in accordance with the present invention includes: a resistance voltage-dividing circuit for generating an intermediate voltage, to which a targeted voltage value is allocated, from a supplied voltage; an N-type transistor which causes a cu... | 02/10/2004 |
| 6603280 | Motor controller A converter module which receives an AC voltage, converts the AC voltage to a DC voltage, and outputs the DC voltage to a circuit for driving a motor. The converter module includes a switching device, a diode, and a control circuit which controls the DC v... | 08/05/2003 |
| 6556000 | Fast edge generator with wide dynamic range The electronic calibration equipment for verifying the high frequency characteristics of electronic test equipment, including oscilloscopes arid time interval analyzers is provided. An electronic circuit (40) for generating an electronic fast edge wavefor... | 04/29/2003 |
| 6555996 | High-resolution, high-precision solid-state potentiometer Disclosed are solid-state potentiometers having high resolution and high accuracy. An exemplary potentiometer comprises a first main terminal, a second main terminal, a wiper terminal, and a resistor stack comprising a plurality M of resistors coupled in ... | 04/29/2003 |
| 6552519 | Variable impedance network for an integrated circuit A variable impedance network for the use in building potentiometers and digital-to-analog converters (DAC) is disclosed. The impedance network is constructed such that it reduces the overhead circuits associated with it compared to conventional approach. ... | 04/22/2003 |
| 6489759 | Standby voltage controller and voltage divider in a configuration for supplying voltages to an electronic circuit The voltage supply provides voltages to an electronic circuit requiring at least two different supply voltages. A plurality of standby supply voltages with different levels are obtained from the highest supply voltage with the aid of a voltage divider.... | 12/03/2002 |
| 6455952 | Adjustment circuit for voltage division An adjustable circuit for voltage division comprises a serial resistor Rn (n=1, 2 . . . n) symmetrically mapped, connected in series, and paired in parallel with a switch Sn or Sn ' apiece, wherein the switches Sn | 09/24/2002 |
| 6331768 | High-resolution, high-precision solid-state potentiometer Disclosed are solid-state potentiometers having high resolution and high accuracy. An exemplary potentiometer has a first main terminal, a second main terminal, a wiper terminal, and a resistor stack having a plurality M of resistors coupled in series to ... | 12/18/2001 |
| 5883506 | Power supply with voltage stabilizing control circuit An arbitrary input AC voltage is applied from an external power supply (1) to a rectifying circuit (2), and one rectifying output end of the rectifying circuit is connected to a switching element (4) through a coil (3), while the other rectifying output e... | 03/16/1999 |
| 5818210 | Reference voltage generating circuit A reference voltage generating circuit outputs a reference voltage (used for comparison of magnitude with an analog voltage) at a plurality of levels by using a differential amplifier to amplify voltages at nodes formed by mutually adjacent resisters amon... | 10/06/1998 |
| 5717323 | Resistance reference circuit The present invention describes a resistance reference circuit that includes a reference resistor that is substantially independent of temperature variations to which the resistance reference circuit is subjected. Also provided is a resistor network that ... | 02/10/1998 |
| 5321349 | Rechargeable/portable multi-voltage dc power supply A rechargeable/portable multi-voltage DC power supply includes an Ni-Cd rechargeable battery set connected to a switching power supply converting circuit, a pulse width modulation circuit, and a filter circuit for providing a regulated output voltage from... | 06/14/1994 |
| 5281908 | Loading device assembly A transportable loading device assembly includes a low-voltage small-capacity variable loading device having a load change-over element which enables the load to be applied to be incrementally variable, a transformer connected to the variable loading devi... | 01/25/1994 |
| 5216355 | Electronic volume controller A main ladder attenuator has a series of resistors and switches for connecting corresponding resistors to an output. The controller has an auxiliary ladder attenuator connected to the main ladder attenuator in series and having a series of resistors and s... | 06/01/1993 |
| 5164653 | Battery discharge control system Apparatus for controlling rate of battery current discharge, comprising, variable means applying resistance load to the battery output, comparator means connected for defining and communicating a targeted battery discharge current level set point, sensor ... | 11/17/1992 |
| 4853612 | RF power control circuit An RF power control circuit for dividing a DC voltage by a plurality of resistors, selecting one of the partial voltages, and using the selected voltage as a reference voltage, thereby obtaining a multilevel RF output, has first and second switching circu... | 08/01/1989 |
| 4816741 | Switched resistor regulator with diode-snubber for parasitic inductance in switched resistor There is disclosed a diode snubber for the voltage transients generated in the parasitic inductance of a switched resistor when current therethrough is interrupted. Also disclosed is the use of such a diode snubber in: a series switched resistor regulator... | 03/28/1989 |
| 4814966 | Shunt switched resistor regulator with diode snubber There is disclosed a diode snubber for the voltage transients generated in the parasitic inductance of a switched resistor when current therethrough is interrupted. Also disclosed is the use of such a diode snubber in: a series switched resistor regulator... | 03/21/1989 |
