Bizarre Patents
A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Application No. | Application Title | Issue Date |
| 20110248782 | RF POWER AMPLIFIER A reduction is achieved in the primary-side input impedance of a transformer (voltage transformer) as an output matching circuit without involving a reduction in Q-factor. An RF power amplifier includes transistors, and a transformer as the output matching circuit. The ... | 10/13/2011 |
| 20110221530 | CLASS AB AMPLIFIERS A class AB amplifier includes a first inductor having a first terminal in communication with a voltage source terminal. A first transistor has a drain terminal in communication with a second terminal of the first inductor. A second transistor has a source terminal in co... | 09/15/2011 |
| 20110050342 | Push-pull amplifier circuit and operational amplifier circuit using the same A push-pull amplifier including first to third current paths. The first current path includes first transistor allowing first current to flow through the first current path according to input signal. The second current path includes second transistor allowing second cur... | 03/03/2011 |
| 20110012679 | HIGH EFFICIENCY MICROWAVE AMPLIFIER Disclosed is an apparatus and method for operating a microwave amplifier with improved efficiency and reduced harmonic emissions. The disclosed amplifier includes a variable rail voltage supply and a variable input drive stage. A controller continually monitors the ampl... | 01/20/2011 |
| 20100291881 | PUSH-PULL LOW-NOISE AMPLIFIER WITH AREA-EFFICIENT IMPLEMENTATION An amplifier integrated circuit (IC) includes a push-pull configuration including a push stage and a pull stage. A first loop of wire is configured to form a first degeneration inductance of the push stage. A second loop of wire is configured to form a first degeneratio... | 11/18/2010 |
| 20100001667 | CONTROL CIRCUIT OF A FULL-BRIDGE STAGE A control circuit for a full-bridge-stage to drive an electric load includes PWM generation circuitry for generating first and second PWM signals so that a difference between duty-cycles of the PWM signals represents an amplitude of a drive current. A logic XOR gate is ... | 01/07/2010 |
| 20090160555 | APPARATUS FOR POWER AMPLIFICATION BASED ON ENVELOPE ELIMINATION AND RESTORATION (EER) AND PUSH-PULL SWITCHING A power amplifying apparatus based on envelope elimination and restoration (EER) includes a voltage amplifier to amplify a high frequency component of an envelope signal, a switching amplifier to generate a low frequency component signal of a drain bias based on a first... | 06/25/2009 |
| 20090002071 | Distributed Circular Geometry Power Amplifier Architecture The present invention discloses a distributed power amplifier topology and device that efficiently and economically enhances the power output of an RF signal to be amplified. The power amplifier comprises a plurality of push-pull amplifiers interconnected in a novel cir... | 01/01/2009 |
| 20080074190 | Scheme for improving settling behavior of gain boosted fully differential operational amplifier Embodiments of the present invention disclose operational amplifiers which demonstrate good settling behavior with minimum over-shoot or ringing for improving settling behavior. The amplifiers include one or more amplification stages connected to form a symmetric struct... | 03/27/2008 |
| 20070024369 | Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection. A novel solution is presented by which better impedance matching and extended bandwidth providing improved gain at higher frequencies may be achieved at th... | 02/01/2007 |
| 20060012424 | Methods and apparatus for variable harmonic distortion Methods and apparatus for producing first and second drive signals from an input signal such that each drive signal is about 180 degrees out of phase with respect to the other; variably altering at least one of the first and second drive signals such that their respecti... | 01/19/2006 |
| 20050218988 | Power amplifier end stage In a push-pull power amplifier having an end stage (10) in which two power transistors (ML, MH) are connected in series, a dead time is normally used to ensure that the power transistors do not conduct simultaneously. The invention provides an end stage in which ... | 10/06/2005 |
