Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 8183926 | Electronic circuit output stage An electronic circuit including: a first branch, placed between two terminals of application of a D.C. voltage, including a series connection of a first constant current source, of a first diode-connected N-channel MOS transistor, of a first diode-connected P-channe... | 05/22/2012 |
| 8174320 | Current switching system A current switching system is described. This system includes first and second mirrored devices coupled to each other and a coupled terminal, and the first and second mirrored devices are coupled to an input terminal and an output terminal; a storage element in elem... | 05/08/2012 |
| 8093952 | Method and system for precise current matching in deep sub-micron technology Aspects of a method and system for precise current matching in deep sub-micron technology may include adjusting a current mirror to compensate for MOSFET gate leakage currents by using feedback circuits. The feedback circuits may be implemented from active component... | 01/10/2012 |
| 8022767 | High-speed, multi-stage class AB amplifiers A multi-stage Class AB amplifier system includes a first Class AB amplifier circuit configured to receive an input signal. A bias circuit is configured to receive an output of the first Class AB amplifier circuit. A second Class AB amplifier circuit is in communicat... | 09/20/2011 |
| 7999619 | Class AB output stage The present disclosure relates to a class AB amplifier output stage. ... | 08/16/2011 |
| 7994861 | System and method for pre-charging a current mirror A system for pre-charging a current mirror includes a controller configured to provide a first current and an additional current to a current mirror to rapidly charge a capacitance associated with the current mirror based on a reference voltage or control signals. A... | 08/09/2011 |
| 7948319 | Current-mirroring systems and methods One embodiment of the invention includes a current-mirror system. The system includes a current-mirror circuit configured to conduct an input current through a first current path that includes a first degeneration resistance device and to generate an output current ... | 05/24/2011 |
| 7876158 | High gain stacked cascade amplifier with current compensation to reduce gain compression A high gain stacked cascade amplifier includes a first amplifying element, a second amplifying element, a current mirror bias element, and a dynamic bias adjustment element. The first and second amplifying elements are coupled in series to form the high gain stacked... | 01/25/2011 |
| 7724092 | Dual-path current amplifier A dual-path current amplifier having a slow high-gain path and a fast low-gain path is described. In one design, the slow high-gain path is implemented with a positive feedback loop and has a gain of greater than one and a bandwidth determined by a pole. The fast lo... | 05/25/2010 |
| 7649419 | Device and method including current measurement and/or amplification A device and a method including current measurement and/or amplification is disclosed. One embodiment provides supplying a current to be measured to a current amplifier. The current is amplified by the current amplifier. The amplified current or a current generated ... | 01/19/2010 |
| 7642854 | Amplifier circuit having an output transistor for driving a complex load An amplifier circuit is disclosed having an output transistor for driving a complex load over a drive frequency range, wherein in the lower part of the range an inductive component of the load dominates and in the upper part the inductive component does not dominate... | 01/05/2010 |
| 7639081 | Biasing scheme for low-voltage MOS cascode current mirrors A circuit and a method for biasing a compound cascode current mirror (CCCM) that enables high-voltage swing at the output and accurate current mirroring is presented. The CCCM has mirror transistors and cascode transistors which may be of a different technology kind... | 12/29/2009 |
| 7636016 | Current mirror circuit An all-NPN bipolar junction current mirror circuit for mirroring an input reference current is disclosed. The circuit includes an input stage for providing an input reference current to the current mirror circuit, a reference stage for mirroring the input reference ... | 12/22/2009 |
| 7622993 | Current mirror circuit A current mirror circuit including: a first resistance element having one terminal connected to a first potential, and the other terminal connected to a second potential lower than the first potential; an operational amplifier having a high-potential input terminal ... | 11/24/2009 |
| 7589592 | System and method for pre-charging a current mirror A system for pre-charging a current mirror includes a controller configured to provide a first current and an additional current to a current mirror to rapidly charge a capacitance associated with the current mirror based on a reference voltage. ... | 09/15/2009 |
| 7522002 | Biasing current to speed up current mirror settling time A current mirror circuit includes a first current-mirror transistor coupled to a second current-mirror transistor. A load is coupled to the second current-mirror transistor. A first current source is coupled to the first current-mirror transistor to cause a bias cur... | 04/21/2009 |
| 7466202 | High-speed CMOS current mirror A CMOS current mirror is provided that includes a current input, an input transistor, whose conductivity path is located between the current input and a reference potential terminal, a current output, an output transistor, whose conductivity path is connected to the... | 12/16/2008 |
| 7459977 | Signal transfer circuit and circuit device using same A signal transfer circuit appropriate for use in realizing both high circuit stability and high current driving ability is disclosed. Signal transfer circuit A has current transfer circuit 3 that transfers a signal current via first reference current I1 | 12/02/2008 |
| 7449955 | Chain-chopping current mirror and method for stabilizing output currents A chain-chopping current mirror and a method for stabilizing output currents are disclosed. The current mirror includes multiple output nodes, a bias source unit, multiple current mirroring units and multiple switch components. The bias source unit provides a refere... | 11/11/2008 |
| 7439776 | Technique to increase the speed of a peak detector A peak detector can advantageously increase its bandwidth, i.e. its charging and discharging speed, while minimizing the ripple of its output signal by sensing the charging current of a storage device. In response to that charging current, the peak detector can cont... | 10/21/2008 |
| 7439806 | Bias control circuit and method of controlling bias of RF power amplifier A bias control circuit for an RF amplifier having an output device for providing an output signal to a load and a driver device for driving the output device includes a current mirror circuit for providing a driver device bias current to the driver device and an out... | 10/21/2008 |
| 7439796 | Current mirror with circuitry that allows for over voltage stress testing A current mirror circuit that allows for over voltage stress testing includes: a first transistor; a second transistor having a gate coupled to a gate of the first transistor; a switch coupled between the gate of the first transistor and the drain of the first trans... | 10/21/2008 |
| 7432765 | Variable gain amplifier, mixer and quadrature modulator using the same A variable gain amplifier includes a voltage-to-current converter for converting the input voltage to a current, a current amplifier for amplifying the current converted by the voltage-to-current converter, a current-to-voltage converter for converting the current a... | 10/07/2008 |
| 7425870 | Current mirror circuit There is disclosed a current mirror circuit comprising a first transistor having a first electrode connected to a first potential, a second electrode connected to a second potential lower than the first potential, and a third electrode connected to a third potential... | 09/16/2008 |
| 7420419 | Variable gain voltage/current converter circuit having current compensation circuit for compensating for change in DC current flowing into active element for performing voltage/current conversion A variable gain voltage/current converter circuit of the present invention has an input section active element having an input terminal, an output terminal, and a ground terminal for performing a voltage/current conversion, a potential control circuit for controllin... | 09/02/2008 |
| 7394308 | Circuit and method for implementing a low supply voltage current reference A circuit for generating a reference current, comprising a positive feedback loop, a negative feedback loop, and a floating current mirror coupled to the positive feedback loop. The negative feedback loop may operate to divert current directly from the floating mirr... | 07/01/2008 |
| 7391404 | Thin film transistor circuit and semiconductor display device using the same There is provided a thin film transistor circuit used for a driver circuit for providing a semiconductor display device without a picture blur and with high fineness/high resolution. In the thin film transistor circuit, a TFT having a large size (channel width) is n... | 06/24/2008 |
| 7365601 | Amplifier for amplifying a signal An amplifier for amplifying a signal which is applied to a signal input having a first pair of transistors (10), which is connected to the signal input and which contains two transistors (10-1, 10-2), currents flowing through the two tran... | 04/29/2008 |
| 7365604 | RF amplifier with a bias boosting scheme The present invention provides methods and apparatuses for an amplifier circuit for amplifying an input signal. An amplifier circuit for amplifying an input signal comprises an amplifying transistor circuit having a power transistor and a dc bias circuit having a pl... | 04/29/2008 |
| 7358817 | Linearized bias circuit with adaptation A linearized bias circuit with adaptation resolves the problem happening to the power amplifier with conventional bias circuit that the DC and AC characteristics of the power amplifier shift or even deteriorate due to a temperature variation. The linearized bias cir... | 04/15/2008 |
| 7356716 | System and method for automatic calibration of a reference voltage A system and system for automatic voltage calibration is presented. A voltage calibration system includes three main units, which are a voltage level trimming unit, a trim detection unit, and a trim control unit. The three units work in conjunction with each other d... | 04/08/2008 |
| 7352245 | Auto-range current mirror circuit An auto-range current mirror circuit has a current sensing circuit, a front and rear stage current mirrors each has an adjustable amplifying rate. The current sensing circuit presets a threshold current and has an input current of the front stage current mirror. The... | 04/01/2008 |
| 7348846 | Amplifier arrangement The present invention relates to an amplifier arrangement having a plurality of amplifier stages that form a series circuit. Each amplifier stage comprises a current mirror, the translation ratio of which defines the gain of the amplifier stage. Moreover, a current ... | 03/25/2008 |
| 7348850 | Electronic circuit for amplification of a bipolar signal Consistent with an example embodiment, there is an electronic circuit for amplification of bipolar symmetric current signals. The electronic circuit has a pair of complimentary current mirrors. Depending on the polarity of the bipolar current signal one or the curre... | 03/25/2008 |
| 7345529 | Chopper stabilized amplifier without DC output ripple The chopper stabilized amplifier circuit includes: an amplifier; a first current mirror coupled to an output of the amplifier through a first switch; a second current mirror coupled to the output of the amplifier through a second switch, wherein the first switch is ... | 03/18/2008 |
| 7336133 | Buffered cascode current mirror An embodiment to mirror current having a pair of current mirroring transistors and a pair of cascode transistors coupled to the current mirror transistors, and furthermore having an amplifier to provide an offset voltage between the drain of a cascode transistor and... | 02/26/2008 |
| 7333778 | System and method for current-mode amplitude modulation An amplifier circuit includes a power amplifier biased for saturated mode operation, and a controllable current source to provide supply current to the power amplifier. The controllable current source effects desired amplitude modulation of the output signal from th... | 02/19/2008 |
| 7332965 | Gate leakage insensitive current mirror circuit A gate leakage insensitive current mirror circuit including an input stage, an output stage, and a pair of complementary source followers. The pair of complementary source followers is connected between the input stage and the output stage. In operation, the input s... | 02/19/2008 |
| 7332968 | Amplifier circuit having an impedance-controllable bias-boosting circuit An amplifier circuit (1) includes an amplifying transistor (QØ) and an impedance-controllable dc bias circuit (2) for biasing the amplifier transistor (QØ) to obtain a conduction angle of at least about 180°. The dc bias circuit (2) includes ... | 02/19/2008 |
| 7327164 | Interface circuit An interface circuit includes a first and a second input terminal, a first output transistor, a second output transistor, a first output controller for implementing control according to a voltage supplied to the first and the second input terminal so that a predeter... | 02/05/2008 |
