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 |
| 8063805 | Digital feedback technique for regulators A voltage regulator uses a digital feedback technique to regulate the voltage at an output of the regulator. The voltage level of an output signal is measured. The voltage level of the output signal is compared to a first reference voltage. A programmable digital co... | 11/22/2011 |
| 8022849 | Phase to digital converter in all digital phase locked loop A phase to digital converter, all digital phase locked loop, and apparatus having an all digital phase locked loop are described herein. The phase to digital converter includes a phase to frequency converter driving a time to digital converter. The time to digital c... | 09/20/2011 |
| 7978108 | Parallel data output control circuit and semiconductor device A CPU outputs digital data from a built-in RAM to a buffer in response to a request from the buffer. The buffer has a FIFO configured of a plurality of stages, each stage of the FIFO is capable of storing one unit (10 bits) of digital data, the buffer as a whole is ... | 07/12/2011 |
| 7978107 | Digital-to-analog converter to produce paired control signals in a power supply controller An example digital-to-analog converter (DAC) for a power supply controller includes a first node, a second node, a current source, and a switch. The first node is to be coupled to provide a first analog signal to a variable oscillator of the power supply controller.... | 07/12/2011 |
| 7903008 | Source-measure unit based on digital control loop A source-measure unit (SMU) may be implemented with a control loop configured in the digital domain. The output voltage and output current may be measured with dedicated ADCs (analog-to-digital converters). The readings obtained by the ADCs may be compared to a setp... | 03/08/2011 |
| 7868800 | Mixed-signal control apparatus of modulation system A mixed-signal control apparatus of a modulation system is provided. The mixed-signal control apparatus includes a digital-to-analog converter (DAC) unit, an analog-to-digital converter (ADC) unit, and a processing unit. When a quantization step of the ADC unit is q... | 01/11/2011 |
| 7773016 | Switching converters controlled via sigma delta modulation Low-cost switching converter systems are provided which combine analog generation of a current signal with digital generation of a loop error signal that is realized with a control loop that includes a high-resolution, low-bandwidth sigma-delta modulator and a low-r... | 08/10/2010 |
| 7764209 | Parallel data output control circuit and semiconductor device A CPU outputs digital data from a built-in RAM to a buffer in response to a request from the buffer. The buffer has a FIFO configured of a plurality of stages, each stage of the FIFO is capable of storing one unit (10 bits) of digital data, the buffer as a whole is ... | 07/27/2010 |
| 7696912 | Interrupt based multiplexed current limit circuit A switching voltage regulator includes, in part, N output stages, a loop ADC, a multiplexer, a current ADC, and an interrupt block. The loop analog-to-digital converter receives the N output voltages each of which is associated with one of N channels. The loop ADC i... | 04/13/2010 |
| 7675445 | Method and device for analog-digital conversion of a complex signal In order to convert a complex analog signal into a complex digital signal in an analog-digital conversion device having two channels, I and Q respectively, in quadrature, each comprising an input and an associated output, each output being fed back onto said associa... | 03/09/2010 |
| 7671772 | Method and apparatus for producing a linearized amplified continuous wave (CW) signal In one embodiment, at least one parameter set for at least one harmonic of a continuous wave (CW) signal is digitally generated in response to a parameter set for the CW signal. In response to the parameter set for the CW signal, the CW signal is synthesized; and in... | 03/02/2010 |
| 7663521 | Oversampling PID controller for integration with a delta-sigma analog-to-digital converter An embodiment of the invention relates to a controller that includes a delta-sigma modulator to produce a one-bit, oversampled signal representing a measured characteristic of a process, and a delta-sigma modulator to produce a one-bit, oversampled signal representi... | 02/16/2010 |
| 7652603 | ΔΣ-type AD converter, class-D amplifier, and DC-DC converter A ΔΣ-type AD converter includes a subtractor which receives an analogue input signal and a feedback signal and which outputs a signal pertaining to a difference between the signals, an integrator which integrates a signal output from the subtractor, a comparator w... | 01/26/2010 |
| 7605732 | Systems and methods for kickback reduction in an ADC Various systems and methods for analog to digital conversion are disclosed. For example, some embodiments of the present invention provide analog to digital conversion systems. The analog to digital conversion systems include a first integrator and a second integrat... | 10/20/2009 |
| 7541957 | Electronic filter device for the reception of TV signals An electronic filter device for the reception of TV-signals, comprising a plurality of frequency determining elements settable by means of an analog setting voltage, a memory (2) for storing digital values representative of the analog setting voltages and con... | 06/02/2009 |
| 7538702 | Quantizing circuits with variable parameters Systems, methods, and devices, such as a device including a floating-gate transistor, a quantizing circuit coupled to the floating-gate transistor, and a controller configured to vary a voltage of a gate of the floating-gate transistor when reading data from the flo... | 05/26/2009 |
| 7504975 | Method and apparatus for output current control This invention relates to a method and apparatus for output current control. The invention provides an output module slice for controlling an output current comprising: an output field interface controller for controlling an input voltage to a first field effect tra... | 03/17/2009 |
| 7446685 | Read signal processing circuit, read signal processing method, and optical disc drive The present invention provides a read channel and a drive capable of suppressing deterioration in performance of a PLL and a Viterbi decoder by using a DC component eliminating means capable of higher-speed operation than hitherto. The location of an edge is determi... | 11/04/2008 |
| 7443325 | Sigma-delta modulator An integrator circuit (110) is provided including an amplifier element (170) configured to receive an input signal at an input node, amplify the input signal, and provide an amplified input signal at an output node; a feedback capacitor element (175... | 10/28/2008 |
| 7443328 | Apparatus and method of using spread pulse modulation to increase the control resolution of an electronic device An apparatus and method are described to increase the control resolution of an electronic device. In one embodiment, the invention includes a spread pulse modulation module to generate a first set of bits based on a second set of bits that is larger than the first s... | 10/28/2008 |
| 7423564 | Optical signal processing device for A/D converter including optical encoders with nonlinear loop mirrors An optically sampling device optically samples an optical analog signal using a sampled signal having a predetermined sampling frequency, and outputs control light having a pulse train of an optically sampled optical analog signal. A signal generating device generat... | 09/09/2008 |
| 7405684 | Signal selecting circuit and recording medium having program recorded thereon A signal selecting circuit is disclosed which outputs a first and a second digital signals by converting a first and a second analog signals into digital signals, the first and the second analog signals being the same or different signals selected from a plurality o... | 07/29/2008 |
| 7365666 | Voltage conversion device having non-linear gain and changeable gain polarity A voltage conversion device having non-linear gain and changeable gain polarity includes a switch module, a gain decision module, a first voltage selection module, a second voltage selection module, a first switch unit, a second switch unit and a voltage output modu... | 04/29/2008 |
| 7352312 | Variable passive components with high resolution value selection and control The present system provides a method for varying the value of passive components in electronic circuits. Passive components can range from basic resistors, capacitors, and inductors to complex, structures such as transmission lines and resonant cavities. Value selec... | 04/01/2008 |
| 7315268 | Integrator current matching An integrator circuit (110) is provided including an amplifier element (170) configured to receive an input signal at an input node, amplify the input signal, and provide an amplified input signal at an output node; a feedback capacitor element (175... | 01/01/2008 |
| 7221300 | Digital-to-analog converter data rate reduction by interleaving and recombination through mixer switching A system and method implement very high data rate baseband DACs suitable for wireless applications related to new standards (e.g. Ultra-Wide Band) using CMOS processes allowing an integrated solution with the deep-submicron CMOS digital baseband. A single CMOS block... | 05/22/2007 |
| 7193551 | Reference voltage generator for use in display applications A multi-reference voltage generator includes an interface controller, a first bank of N m-bit registers and a second bank of N m-bit registers. A first multiplexer has inputs connected to outputs of the first and second bank of registers. An m-bit digital-to-analog ... | 03/20/2007 |
| 7173549 | Semiconductor integrated circuit in which voltage down converter output can be observed as digital value and voltage down converter output voltage is adjustable An output voltage of a VDC circuit is subjected to A/D conversion with an on-chip A/D converter. Accordingly, an output voltage VDCout of the VDC circuit can be observed as a digital value, which facilitates measurement. Reduction in the number of terminals leads to... | 02/06/2007 |
| 7170867 | Radio frequency data communications device A radio frequency identification device includes an integrated circuit including a receiver, a transmitter, and a microprocessor. The receiver and transmitter together define an active transponder. The integrated circuit is preferably a monolithic single die integra... | 01/30/2007 |
| 7158067 | Analog to digital converter using sawtooth voltage signals with differential comparator An analog to digital converter includes a resistor-divider network including a plurality of resistors, an arbel channel circuit configured to generate a voltage sawtooth signal as an output, a dc-offset disposed to couple a node of the resistor-divider network and t... | 01/02/2007 |
| 7112932 | System-on-chip for high voltage applications A system-on-a-chip (SOC) in CMOS technology capable to support high voltage applications has been achieved. The single chip system of the present invention comprises high-voltage circuitry, a complete micro-controller system including all timing control, interrupt l... | 09/26/2006 |
| 7079043 | Radio frequency data communications device A radio frequency identification device comprises an integrated circuit including a receiver, a transmitter, and a microprocessor. The receiver and transmitter together define an active transponder. The integrated circuit is preferably a monolithic single die integr... | 07/18/2006 |
| 7071863 | Low power analog to digital converter having reduced bias during an inactive phase A circuit with reduced power consumption comprises first and second circuits that each have periodic active and inactive phases and that switch between the periodic active and inactive phases during operation. When the first circuit is in the active phase, the secon... | 07/04/2006 |
| 7046177 | Servo system, apparatus comprising a servo system, sigma delta modulator, and integrated circuit comprising a sigma delta modulator A servo system comprising an analog sigma delta modulator for generating a normalized digital error correction signal from first and second analog control signals. The sigma delta modulator comprises an analog low-pass filter, a quantizer delivering the digital erro... | 05/16/2006 |
| 6967610 | Low power bit and one-half analog to digital converter A bit-and-one-half analog to digital converter comprises a switched capacitor circuit, including an opamp, that receives an analog input voltage and generates a residual analog output voltage. The switched capacitor circuit samples the analog input voltage during a ... | 11/22/2005 |
| 6956512 | Analog-to-digital converter for programmable logic Digital-to-analog and analog-to-digital conversion are implemented in or using programmable logic. The DAC and ADC circuits may be hardwired in a programmable logic integrated circuit or may be implemented using an intellectual property (IP) core. The IP core would ... | 10/18/2005 |
| 6636122 | Analog frequency locked loop with digital oversampling feedback control and filter A filter using analog to digital conversion, digital filtering and oversampling noise reshaping is disclosed. Application of such a filter to a frequency locked oscillator is disclosed. Application of such a filter to an oscillator having a capability to ... | 10/21/2003 |
| 6590372 | Method and integrated circuit for bandgap trimming An integrated circuit for generating a bandgap reference voltage (VBG) includes a first circuit and a second circuit. The first circuit includes an op-amp for equalizing emitter currents of a first bandgap transistor and a second bandgap transistor. The s... | 07/08/2003 |
| 6583746 | A/D converter with high speed input circuit An A/D converter includes a first DC bias circuit and a second DC bias circuit with the same configuration and characteristic, the first and second DC bias circuits generate first and second common voltages with the same voltage level independently in res... | 06/24/2003 |
| 6507301 | Sigma-delta modulator with an adjustable feedback factor In a sigma-delta modulator the feedback circuit (4, 5) has an adjustable feedback factor controlled by an adjusting member (6) for adjusting the feedback factor of the feedback circuit.... | 01/14/2003 |
