Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 7843287 | Active resonant circuit with resonant-frequency tunability The present invention is directed to provide a low-power-consumption wide-range RF signal processing unit having a small chip occupation area. A semiconductor integrated circuit has, on a semiconductor chip, a resonant circuit including a first capacitor having a ca... | 11/30/2010 |
| 7522023 | Gyrator with feedback resistors A gyrator includes a gyrator core and at least one common mode feedback circuit. The gyrator core includes four inverters mutually connected in a loop configuration between a pair of input ends and a pair of output ends. The common mode feedback circuit is provided ... | 04/21/2009 |
| 7342458 | Negative gain transductance amplifier circuit The invention proposes a negative gain transconductance amplifier circuit (1) for capacitive load that includes: an RC serial circuit connected between an input terminal (E) of the amplifier circuit and a intermediate terminal (A); an amplificat... | 03/11/2008 |
| 7323928 | High capacitance integrated circuits An integrated circuit providing high equivalent capacitance ranging from a few tens of picofarads to a few nanofarads is presented. The integrated circuit includes active integrated circuit components, requires no external capacitor, and is substantially insensitive... | 01/29/2008 |
| 7319850 | Low noise block downconverter converting received signal to intermediate frequency signal In a low noise block downconverter converting a right-hand (or horizontally) polarized wave signal and a left-hand (or vertically) polarized wave signal to intermediate frequency signals, one of two filters for removal of interference waves from the intermediate fre... | 01/15/2008 |
| 7310595 | Numerically modeling inductive circuit elements A method of determining electrical parameters of inductive elements includes a novel technique of inverting an impedance matrix representative of said inductive circuit element. The method reduces model simulation time by a factor of 3000. In one embodiment, simulat... | 12/18/2007 |
| 7292092 | Tunable poly-phase filter and method for calibration thereof A resonator circuit is shown that is fabricated with substantially identical elements disposed symmetrically along an axis such that the circuit has a linear response to bias current. The alignment of the circuit permits multiple characteristics of the circuit to be... | 11/06/2007 |
| 7274276 | Amplifier circuit, gyrator circuit, filter device and method for amplifying a signal An amplifier circuit comprising a transconductor device connected to a phase shifter section. The phase shifter section has an adjustable phase shift and an impedance at least partially dependent of the frequency of an input signal. In use, the adjustable phase shif... | 09/25/2007 |
| 7271648 | Ladder filter, analog equalizer and signal readout system A ladder filter includes multiple inductor sections, each including voltage-controlled current sources and capacitors. A second signal input terminal is provided for the filter separately from an ordinary signal input terminal and a signal, which has been input thro... | 09/18/2007 |
| 7253707 | Tunable active inductor An active inductor capable of tuning a self-resonant frequency, an inductance, a Q factor, and a peak Q frequency by applying a tunable feedback resistor to a cascode-grounded active inductor is disclosed. The tunable active inductor includes a first transistor havi... | 08/07/2007 |
| 7242334 | Wireless receiver circuit with merged ADC and filter A CMOS hybrid analog-digital receiver core where filtering and gain functions are implemented in the digital domain. The analog portion of the receiver core includes standard circuits such as a low noise amplifier for receiving an RF input signal, and a mixer circui... | 07/10/2007 |
| 7215227 | Gm-C filter compensation Compensation of effects derived from bandwidth limitations of an active frequency-selective circuit is effected by appropriately coupling a resistance to the frequency-selective circuit. In one embodiment, the resistance is designed to have a value that is inversely... | 05/08/2007 |
| 7199685 | Three-terminal, tunable active inductor The present invention provides an active inductor apparatus and system, having a variable frequency response through inductance adjustment. The active inductor apparatus comprises a variable resistive element and a variable gain element, and the system further compr... | 04/03/2007 |
| 7092981 | Non-reciprocal network element that produces an input impedance that is a function of the multiplication-division of its load impedances The Impedance Multiplication-Division Operators are made up of non-reciprocal network elements, each of which produces an input impedance that is related to the multiplication-division of its load impedances. The Impedance Multiplication-Division Operator can be imp... | 08/15/2006 |
| 7068130 | Active inductor An active inductor circuit (L) includes first (T1) and second (T2) terminals for coupling to respective external terminals (Hi,Lo), said first and second terminals being coupled to a first transconductance circuit (gm1), a second transconductanc... | 06/27/2006 |
| 7058382 | Method of eliminating a DC component and filtering device obtained by this method A radiotelephony device employing filters and methods for eliminating a DC component from an electronic signal provide for circuitry having a zero corresponding to a cut-off frequency, and circuitry for shifting the zero by an amount corresponding to the absolute va... | 06/06/2006 |
| 7042317 | High-frequency active inductor An active inductor circuit implemented in sub-micron CMOS semiconductor technology is usable at gigaHertz frequencies and includes an input node, a non-inverting transconductor circuit comprising a differential pair of NMOS transistors connected to the input node, a... | 05/09/2006 |
| 7042304 | Circuit device for realizing a non-linear reactive elements scale network The invention relates to a circuit device for realizing a non-linear reactive elements scale network, wherein the non-linear elements of the network are pairs of inductive and capacitive components cascade connected between a pair of input terminals and a pair of ou... | 05/09/2006 |
| 7019586 | High-speed Gm-C tuning A technique to achieve high-speed tuning of a Gm-C circuit, such as, for example, a Gm-C filter. In one embodiment, a master Gm-C time-constant circuit incorporates at least one element (either a transconductance or a capacitance) that is matched to a corresponding ... | 03/28/2006 |
| 7020676 | Non-reciprocal network element that produces an input impedance that is a product of its load impedances The Impedance Product Operator can be implemented in a number of embodiments to produce a new non-reciprocal (n+1)-port network element with the distinguishing property that if n 2-termial impedances, Z2, . . . Zn+1 are connected at ports 2, . ... | 03/28/2006 |
| 7012487 | Transconductance device employing native MOS transistors A system on chip such as a radio receiver has reduced suceptibility to voltages in the bulk silicon by using gyrator elements in the receiver with each gyrator element including a plurality of current sources interconnected to provide output transconductance voltage... | 03/14/2006 |
| 6975977 | Low-complexity, high accuracy model of a CPU anti-resonance system A low-complexity, high accuracy model of a CPU anti-resonance system has been developed. The model includes a simulated load model, a simulated transistor that simulates the performance of a high frequency capacitor, and a simulated capacitor that simulates the perf... | 12/13/2005 |
| 6946924 | Low noise voltage controlled oscillator A voltage controlled oscillator, comprising a pair of transistors connected to a tank circuit, said tank circuit including a plurality of tuning diodes connected in parallel with an inductor, said tuning diodes having cathodes connected to a common connection. ... | 09/20/2005 |
| 6737944 | Active inductor A transistor M1 has its drain connected to a source of a transistor M2 through a capacitor Cc3. A series connection of a resistor R and a capacitor Cc1 is provided between a source of the transistor M1 and a gate of the tra... | 05/18/2004 |
| 6577212 | Integrated circuit The invention relates to an integrated gyrator structure, in which each transistor in the gyrator core (preferably MOS devices) has series feedback associated therewith. This allows for compensation over a large bandwidth of the effects of channel delay i... | 06/10/2003 |
| 6545569 | Filtering device and method of eliminating a DC component by shifting the transfer function Filters and methods for eliminating a DC component from an electronic signal provide for circuitry having a zero corresponding to a cut-off frequency, and circuitry for shifting the zero by an amount corresponding to the absolute value of that cut-off fre... | 04/08/2003 |
| 6515560 | Active inductor An active inductor includes an MOSFET having a gate, a drain serving as an output terminal and a grounded source, the MOSFET having a transconductance gm1, and a capacitor having opposite ends, one of which is grounded and the other of which is connected ... | 02/04/2003 |
| 6404308 | Phase-compensated impedance converter Integrated circuits, for example, gyrator circuits include transistors that are preferably MOS devices and that are provided with series feedback networks, which compensate for the effects of channel delay in the MOS devices.... | 06/11/2002 |
| 6340916 | Ransimpedance amplifier circuit An innovated transimpedance amplifier circuit consists of a buffer circuit, a simulation resistance circuit, and an amplifier circuit. The buffer circuit for inputting a signal circuit is constituted by two FETs and a resistor, and has a high current inpu... | 01/22/2002 |
| 6327465 | Voltage tunable active inductorless filter A monolithic active frequency selection circuit includes an input presenting a frequency-dependent impedance and a first gain block configured to provide less than unity voltage gain, a high input impedance and a low output impedance. An output of the fir... | 12/04/2001 |
| 6317016 | Method and arrangement for gyration filtering with low power consumption An arrangement of differential amplifying-type gyrators is used to implement a signal-filtering circuit with significantly reduced power consumption. One specific example implementation is directed to a signal-filtering circuit arrangement that uses a gyr... | 11/13/2001 |
| 6107893 | Voltage tunable active inductorless oscillator An inductorless voltage controlled oscillator that may be fabricated using CMOS circuit elements. In one aspect, the present invention includes a synthetic inductance formed on a substrate and having first and second power supply terminals and a signal po... | 08/22/2000 |
| 6025765 | Gyrator with loop amplifiers connected to inductive elements A gyrator includes shunt or feedback nodal capacitors and shunt lossy inductors without shunt load resistors. The effective nodal capacitance is reduced by the introduction of the shunt lossy inductors. The inductors act to discriminate against injected p... | 02/15/2000 |
| 5825265 | Grounded inductance circuit using a gyrator circuit First and second transconductance amplifiers OTA 1, OTA 2, each having two input terminals, and two output terminals are constructed in such a manner that a first input terminal of the OTA 1 is connected with a second output terminal of the OTA 2, a first... | 10/20/1998 |
| 5793251 | Demodulator circuit using gyrator circuit A demodulator circuit includes a gyrator circuit forming a derived equivalent inductance which is used in a demodulating circuit. The gyrator circuit has a first operational transconductance amplifier and a second operational transconductance amplifier, w... | 08/11/1998 |
| 5635884 | Grounded inductance circuit using gyrator circuit The grounded inductance circuit utilizing a gyrator circuit includes a first operational transconductance amplifier, a second operational transconductance amplifier and a first capacitor. A first output terminal of the first operational transconductance a... | 06/03/1997 |
| 5635880 | CMOS microwave multiphase voltage controlled oscillator A microwave differential amplifier comprises a first and a second matched NMOS device, each connected with the source to a common bias node, the gate to an input port for receiving a differential input signal and with the drains to an output port for prov... | 06/03/1997 |
| 5371801 | Energy absorption apparatus Apparatus for absorbing acoustic energy directed toward a wall. The appars includes a piezoelectric layer intermediate the wall and the source of the acoustic energy. Circuitry attached to the output of the transducer compensates blocked and motional cap... | 12/06/1994 |
| 5343170 | Voltage controlled oscillator provided with negative feedback biasing A voltage controlled oscillator (VCO) including a negative feedback circuit operates in response to a negative feedback signal generated during active transistor region operation of transistors in transconductance amplifying stages coupled thereto. As a r... | 08/30/1994 |
| 5267027 | Comb filter-type Y/C separator circuit A Y/C separation circuit includes a glass delay line for delaying an input composite video signal. A luminance signal and a chrominance signal are separated from each other by an adding circuit and a subtracting circuit each of which receives the input si... | 11/30/1993 |
