Bizarre Patents
Method and apparatus for making a drink hop along a bar or counter
A method for generating a drink which appears to hop from a remote spot on the bar or counter and take one or more leaps, before landing in a patron's glass.
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| Number | Title | Issue Date |
| 8106709 | Pre and post filter automatic gain control with bounded pre-filter gain control An electronic circuit includes a first variable gain amplifier for amplifying a signal at an input to provide a first amplified signal; a filter receiving the first amplified signal to provide a filtered signal; a second variable gain amplifier for receiving and amp... | 01/31/2012 |
| 8085090 | Method and system for polar modulating QAM signals with discontinuous phase Aspects of a method and system for polar modulating QAM signals with discontinuous phase may include amplifying a signal via a plurality of amplifiers such that a combined gain of the plurality of amplifiers comprises a coarse amplitude gain and an amplitude offset ... | 12/27/2011 |
| 7889000 | Method and system for polar modulating OFDM signals with discontinuous phase Aspects of a method and system for polar modulating OFDM signals with discontinuous phase may include amplifying a normalized OFDM signal via a plurality of amplifiers such that a combined gain of the plurality of amplifiers comprises a coarse amplitude gain and an ... | 02/15/2011 |
| 7859335 | Method and system for polar modulating QAM signals with discontinuous phase Aspects of a method and system for polar modulating QAM signals with discontinuous phase may include amplifying a signal via a plurality of amplifiers such that a combined gain of the plurality of amplifiers comprises a coarse amplitude gain and an amplitude offset ... | 12/28/2010 |
| 7852153 | High efficiency linear microwave power amplifier A post-distortion method for cascading amplifier stages in a two-stage microwave power amplifier and a dynamic biasing method using back-end processing for correcting nonlinearity in the power amplifier output. A first or driver stage biased in a near-A region with ... | 12/14/2010 |
| 7834687 | Method and system for polar modulation with discontinuous phase for RF transmitters with power control Aspects of a method and system for polar modulation with discontinuous phase for RF Transmitters with power control may include performing by one or more circuits comprising a plurality of amplifiers, configuring one or more of the plurality of amplifiers to provide... | 11/16/2010 |
| 7782133 | Power amplifier with output power control This disclosure relates systems and methods for a power amplifier with output power control. The power amplifier can include multiple stages of amplification. An RF signal is fed to the power amplifier with output control that amplifies the power of the RF signal to... | 08/24/2010 |
| 7768345 | Amplifier The present invention provides compensation for distortions in a multi-stage amplifier having a gain expansion characteristic. The present invention also provides an approach for using an amplification stage biased in a state close to B-class, which exhibits high po... | 08/03/2010 |
| 7741904 | Efficient integrated linear amplifier module A linear amplifier circuit includes a first matching circuit that receives a first signal and to produce a first impedance matched signal, a first power amplifier that produces a first amplified signal in response to the first impedance matched signal under the cont... | 06/22/2010 |
| 7688137 | Low power consuming mixed mode power amplifier A low power consuming mixed mode power amplifier which includes: a low output amplifier circuit generating a power amplified result having high efficiency in a low output mode that is most frequently used; a high output amplifier circuit generating an amplified resu... | 03/30/2010 |
| 7683712 | Wireless frequency power amplifier, semiconductor device, and wireless frequency power amplification method A differential amplifier circuit is connected to the input node and the output node of the final amplification stage through detection circuits. The signal level difference output from the differential amplifier circuit does not change even if the input power varies... | 03/23/2010 |
| 7659779 | Method and system for polar modulating OFDM signals with discontinuous phase Aspects of a method and system for polar modulating OFDM signals with discontinuous phase may include amplifying an OFDM signal via a plurality of amplifiers such that a combined gain of the plurality of amplifiers comprises a coarse amplitude gain and an amplitude ... | 02/09/2010 |
| 7605651 | Multimode amplifier for operation in linear and saturated modes According to an exemplary embodiment, a multimode power amplifier configured to receive an RF input signal and provide an RF output signal in linear and saturated operating modes includes an output stage configured to receive a fixed supply voltage and to provide th... | 10/20/2009 |
| 7602242 | Method and system for polar modulating QAM signals with discontinuous phase Aspects of a method and system for polar modulating QAM signals with discontinuous phase may include amplifying a signal via a plurality of amplifiers such that a combined gain of the plurality of amplifiers comprises a coarse amplitude gain and an amplitude offset ... | 10/13/2009 |
| 7554395 | Automatic low battery compensation scaling across multiple power amplifier stages An amplification circuit and scaling method are configured to apply optimum biasing characteristics such that a multistage power amplifier operates according to defined performance characteristics. The operating conditions of the multistage amplifier are optimized b... | 06/30/2009 |
| 7551025 | High-voltage transconductance circuit The invention is a high-power transconductance circuit (HVTC) comprising three direct-coupled stages which can be substituted for a final-stage power-amplifying vacuum tube in an audio amplifier. The HVTC consists of an input stage, a driver stage, an output stage, ... | 06/23/2009 |
| 7551026 | Method and system for polar modulation with discontinuous phase for RF transmitters with power control Aspects of a method and system for polar modulation with discontinuous phase for RF Transmitters with power control may include amplifying a signal via a plurality of amplifiers such that a combined gain of the plurality of amplifiers comprises a coarse amplitude ga... | 06/23/2009 |
| 7482868 | Dual mode power amplifier A power amplifier is configured to operate in a first gain mode and a second gain mode. A first power amplifier input stage has an input and an output. A second power amplifier input stage has an input and an output, where the output of the second power amplifier in... | 01/27/2009 |
| 7477102 | High efficiency linear microwave power amplifier A post-distortion method for cascading amplifier stages in a two-stage microwave power amplifier and a dynamic biasing method using back-end processing for correcting nonlinearity in the power amplifier output. A first or driver stage biased in a near-A region with ... | 01/13/2009 |
| 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 |
| 7439809 | Radio frequency power amplifier There are provided an RF power amplifier transistor (2), a bias supply circuit (51) which supplies a bias current to the base of the RF power amplifier transistor and a bias control circuit (52) connected between the base of the RF power amplifi... | 10/21/2008 |
| 7395036 | Semiconductor integrated circuit for high frequency power amplifier and electric components with the semiconductor integrated circuit In a high frequency power amplifier circuit in which bias voltages are applied to the transistors for amplification by current mirroring, The power amplifier includes a detection circuit including a transistor for detection which receives the AC component of an inpu... | 07/01/2008 |
| 7394318 | Amplifier control system An amplifier control system for regulating the gain of a controlled amplifier. The control system comprises a first signal source for generating a first reference signal. A replica amplifier representative of the controlled amplifier generates an output signal in de... | 07/01/2008 |
| 7382296 | System for mixed analog-digital automatic gain control Aspects of the invention provide a system for a mixed analog-digital automatic gain control. The received analog signal is amplified by the analog amplifier and then converted to a digital value by an ADC. A clamp reference level of the converted signal is removed p... | 06/03/2008 |
| 7378909 | Radio-frequency power amplifier apparatus and method of adjusting output power thereof By using a radio-frequency power amplifier which turns off an Nth stage radio-frequency amplifying transistor when the level of radio-frequency output power falls below a predetermined value, it is possible to improve the linearity when the level of the radio-freque... | 05/27/2008 |
| 7375584 | Gain adjustment method, gain adjustment circuit, and optical disc device having same gain adjustment circuit A gain adjustment circuit includes a gain varying device for varying the gain of an input signal; and a detection device for detecting a variable output signal of the gain varying device, wherein the detection output signal of the detection device is fed back to the... | 05/20/2008 |
| 7372392 | Charge balancing method in a current input ADC A method for charge balancing in a current input ADC including maintaining a low capacitance value at the integrator output node where the capacitance value is independent of the integrator output voltage and operating conditions, generating a first voltage pedestal... | 05/13/2008 |
| 7368981 | Limit circuit A limit circuit capable of providing high gain. The limit circuit included in an FM receiver comprises, for example, seven amplifiers (11 to 17), and a BPF (18) inserted substantially in the middle thereof. Each of the amplifiers (11 to | 05/06/2008 |
| 7369822 | Segmented switching power amplifier A novel transmitter circuit is disclosed for receiving of an input signal and for providing of an amplitude increased RF output signal. Pluralities of switching power amplifiers are disposed along two signal propagating circuit branches and utilized for increasing a... | 05/06/2008 |
| 7368988 | High-frequency power amplifier In a base-bias-control-type high-frequency power amplifier with a plural stage configuration, a rising voltage of a base bias current supplied to an initial stage transistor is made lower than a rising voltage of a base bias current supplied to a second stage transi... | 05/06/2008 |
| 7369819 | Digital amplitude modulation transmitter with pulse width modulating RF drive A digital amplitude modulation (AM) transmitter with pulse width modulating RF drive is presented. A plurality of RF amplifiers, each, when turned on, amplifies an applied RF drive signal by the same amount to provide a unit step RF output. An encoder supplies turn-... | 05/06/2008 |
| 7366482 | Transmission device, transmission output control method, and radio communications device Either linear operating mode or saturation operating mode is set as the operating mode of a high-frequency power amplifier on the basis of an operating mode set signal. The gain of a variable gain amplifier provided in front of the high-frequency power amplifier and... | 04/29/2008 |
| 7362172 | Variable gain circuit Low distortion is implemented even in a high input level, and a smooth change in gain is maintained. A first amplifier (10) with high gain and low noise that can be gain-controlled by a first gain control signal, and a second amplifier (20) with low ga... | 04/22/2008 |
| 7361851 | Weighing apparatus and system A weighing apparatus comprises a plurality of load cells and a load platform, supported by the load cells. The apparatus includes means associated with each load cell to supply a digital representation of the load on each load cell. The load cells are connected toge... | 04/22/2008 |
| 7358807 | Protection of output stage transistor of an RF power amplifier A protection method may prevent a load-mismatch-induced failure in solid-state power amplifiers. In an RF power amplifier, the load voltage standing-wave ratio results in very high voltage peaks at the collector of the final stage and may eventually lead to permanen... | 04/15/2008 |
| 7355480 | Bias circuit A bias circuit includes a voltage stabilizer connected between a control voltage input terminal through a current limit resistor and a ground, a bias supply emitter follower with a base connected to a node between the current limit resistor and the voltage stabilize... | 04/08/2008 |
| 7352086 | Switching circuit, switching module and method of controlling the switching circuit A switching circuit includes switching transistors connected to one of an input terminal and an output terminal of the switching circuit, and a control bias supply circuit that supplies a control bias for cutting off all the switching transistors to the switching tr... | 04/01/2008 |
| 7353010 | Techniques for fast automatic gain control An automatic gain control (AGC) technique can quickly sense signal size over a large dynamic range by using a peak detector block in the analog portion of the receiver. The peak detector block can compare a received signal to predetermined thresholds (chosen to divi... | 04/01/2008 |
| 7345537 | Linear power amplifier with multiple output power levels A power amplifier stage has a first amplifier subsection and a second amplifier subsection coupled in a parallel configuration. The first amplifier subsection receives a signal to be amplified and the second amplifier subsection receives the signal to be amplified v... | 03/18/2008 |
| 7342454 | Analog multistage amplification circuit in the field of sensor An analog multistage amplification circuit for keeping the total gain of analog amplifiers constant while automatically controlling gain of the amplifiers in accordance with an input signal level and improving the S/N ratio of the output signal. The amplification ci... | 03/11/2008 |
