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 |
| 7268618 | Power amplifiers A method of controlling output power in a power amplifier having a driver stage and an output stage. The driver current is measured and the output stage biased in dependence upon the measured driver current. ... | 09/11/2007 |
| 7173484 | System and method of carrier reinjection in a feedforward amplifier A dual loop feedforward power amplifier. A dual loop feedforward power amplifier, comprising an input that provides a multicarrier signal; a first feedforward power amplifier; and a second feedforward power amplifier, wherein the first feedforward power amplifier se... | 02/06/2007 |
| 7164320 | Current threshold circuit A current threshold circuit includes a series impedance, a reference voltage source, and a comparison module. The series impedance couples an output of a current source to a load, wherein impedance of the series impedance is substantially less than impedance of the ... | 01/16/2007 |
| 7071781 | High speed, high resolution amplifier topology An amplifier. The novel amplifier includes a first circuit for receiving and amplifying an input signal and outputting an output signal, and a second circuit for supplying power to the first circuit, wherein the power supplied varies in accordance with variations in... | 07/04/2006 |
| 6992713 | Fully integrated solid state imager and camera display There is shown an single chip CMOS device for capturing a video image. The device includes an APS imager containing an array of pixels for providing a signal representing a scene, a row of extended dynamic range sample and hold circuits for receiving a signal from t... | 01/31/2006 |
| 6975172 | Smart voltage rail reduction audio amplifier An audio amplifier is provided that adjusts the supply voltage rails communicated to a power amplifier circuit according to the circuit's output. The amplifier compares the output voltage from the power amplifier to a predetermined voltage range to determine if the ... | 12/13/2005 |
| 6961553 | Bidirectional distributed amplifier A bidirectional amplifier circuit includes first and second input ports, first and second output ports, a power amplifier, and first, second, third, and fourth filter circuits. The power amplifier includes at least first and second input terminals and first and seco... | 11/01/2005 |
| 6958647 | Dual loop feedforward power amplifier A feedforward amplifier. The present invention therefore provides a feedforward amplifier, comprising: a pilot reference generator that generates a pilot signal; a first carrier cancellation loop; a first error amplifier loop including a first error amplifier, where... | 10/25/2005 |
| 6946906 | System and method of pilot tone reuse in a feedforward amplifier A system and method of pilot tone reuse. The present invention therefore provides a feedforward amplifier, comprising: an input that accepts a radio frequency signal having multiple carriers; a first control loop including a main amplifier block and a detector, wher... | 09/20/2005 |
| 6947567 | Audio boost circuit An audio boost circuit having an input buffer responsive to a program input signal for providing a buffered program signal, An all pass phase inverter having an input coupled to receive the buffered program signal and an output providing an inverted buffered program... | 09/20/2005 |
| 6927626 | Thermal protection system for an output stage of an amplifier Disclosed is a thermal protection circuit for an amplifier generating an amplified AC output signal. The thermal protection circuit may be powered by an amplifier power supply used to power the output stage. The amplifier power supply may be referenced to ground. Th... | 08/09/2005 |
| 6489843 | Power amplifier and communication unit A power amplifier including: a first amplifier PA2 having an input terminal and an output terminal; a passive circuit PC3 having an input terminal and an output terminal; and a first switch SW2 having a single-pole terminal and two multi-throw terminals, ... | 12/03/2002 |
| 5909145 | Variable control of electronic power supplies Sag of a power signal delivered to of an amplifier is controlled. The maximum amount of sag is limited to limit crossover distortion. A measuring circuit monitors an observed signal to generate a measured signal. A sag control circuit receives the measure... | 06/01/1999 |
| 5635872 | Variable control of electronic power supplies A regulated power supply control system with adjustable operating point and adjustable dynamic behavior for use with electronic power supply circuits, such as musical instrument amplifiers. The control system includes a measurement circuit (20) that gener... | 06/03/1997 |
| 5091700 | Amplifier with mains voltage reduction A method enables a musician to reduce the voltage level between a nominal level which is supplied to power an audio power amplifier including at least one vacuum tube power output device and a reduced level, by controlling AC input voltage level of an AC ... | 02/25/1992 |
| 4442407 | Two loop automatic level control for power amplifier The power supply potential applied to the final stage of an RF amplifier is odulated by means of an adaptive power supply. The power supply potential applied to the final RF amplifier is controlled by a first control loop in accordance with an error signal... | 04/10/1984 |
| 4441086 | Audio system with orderly shutdown sequence An audio system including audio processing circuit means interposed between a source of audio signals and a power amplifier. Power control circuitry including time delay means which respond to an on/off power switch for applying and removing power to the ... | 04/03/1984 |
| 4286492 | Control for electronic amplifiers A circuit which allows for the simultaneous control of the bias voltages applied to the screen grids and control grids of output tubes while maintaining the ratio of said voltages, thereby providing a method for selectively varying a single plate characte... | 09/01/1981 |
| 4277755 | Circuit arrangement for driving nonlinear threshold devices A nonlinear signal transducer U, such as a light-emitting diode or a semiconductive laser, is maintained at a suitable operating point by a constant biasing current and receives an electrical input signal by way of a series resistor R from a main amplifie... | 07/07/1981 |
| 4196392 | Method and apparatus for monitoring and controlling the anode dissipation of transmitters A method and apparatus for monitoring and controlling the anode power dissipation of transmitters. First and second signals proportional to the anode power input and anode power output are produced and subtracted from each other, thus resulting in a third... | 04/01/1980 |
| 4053848 | Circuit arrangement for combining high frequency power components A circuit arrangement for combining high frequency power components with the same frequency which come from amplifiers or generators and are fed to a 90° parallel circuit bridge having two substantially decoupled inputs with the input resistance values o... | 10/11/1977 |
