Quotables
"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."
Carl Sagan
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.
| Number | Title | Issue Date |
| 7864090 | Analog-to-digital converting apparatus with lower temperature dependence In an A/D converting apparatus, a converting unit has an input terminal and an input-output characteristic. The input-output characteristic has temperature dependence, and the converting unit carries out a process of converting an input voltage signal to digital dat... | 01/04/2011 |
| 7796067 | Curvature correction methodology A method is provided to produce an error corrected digital output from a temperature measurement system that generates digital outputs representative of the output of one or more temperature sensors. In an embodiment of the invention the method comprises: storing in... | 09/14/2010 |
| 7696909 | Circuit for generating a temperature dependent current with high accuracy An apparatus for adjusting a first signal with respect to a second signal includes: (a) A first converter receiving the first signal and employing n first converting elements for digitally converting the first signal to at least one first signal element. (b) A secon... | 04/13/2010 |
| 7439884 | Sampling rate conversion device and method, and audio device A sampling rate converter able to obtain an amplitude characteristic that passes any frequency and able to achieve a high precision conversion without depending upon a cutoff frequency, having an up sampler 103 for inserting (U-1) zero points between s... | 10/21/2008 |
| 7432837 | System and method for correcting DC offset A system for correcting a DC offset includes a digital-to-analog (D/A) converter module (30), a summing circuit (40), an inphase-to-quadrature (I/Q) modulator (50), a spectrum analyzer module (60) and a DC offset correction module (70 | 10/07/2008 |
| 7405680 | Distortion compensator A distortion compensator updating and selecting a distortion compensation coefficient applied to a digital transmission signal so as to reduce the difference between the digital transmission signal and a digital feedback signal is disclosed. The distortion compensat... | 07/29/2008 |
| 7403140 | Receiver, digital-analog converter and tuning circuit An object of the present invention is to provide a receiver, a digital-analog converter and a tuning circuit in which temperature compensating components can be formed on a semiconductor substrate while reducing component costs. An FM receiver 100 is constitu... | 07/22/2008 |
| 7394413 | Reduced complexity nonlinear filters for analog-to-digital converter linearization A method of converting an input analog signal to a compensated digital signal comprises converting the input analog signal to an uncompensated digital signal, inputting the uncompensated digital signal to a distortion model, generating a modeled distortion signal ba... | 07/01/2008 |
| 7391348 | Reducing noise associated with local reference-potential fluctuations in mixed-signal integrated circuits An integrated circuit (IC) adapted to (i) measure a voltage differential between a ground potential external to the IC and a ground potential internal to the IC and (ii) based on the measurement result(s), adjust a signal referenced to the internal ground potential ... | 06/24/2008 |
| 7362248 | Temperature tamper detection circuit and method A sensing circuit determines whether an integrated circuit is currently exposed to one of a relatively low or a relatively high temperature. A selection circuit selects a measured voltage across the base-emitter of a bipolar transistor if the sensing circuit indicat... | 04/22/2008 |
| 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 |
| 7348910 | Reference module apparatus and method therefor A Root Mean Square (RMS) detector circuit includes a first differential pair circuit arranged to operate in a common mode. The detector circuit also includes a compensation circuit unit having a second differential pair circuit to duplicate an unwanted base current ... | 03/25/2008 |
| 7342518 | Digital rate converter A method and apparatus of converting a data signal in a digital rate converter including upsampling the input data signal at an input sampling rate to an intermediate data signal at an intermediate sampling rate, where the intermediate data signal sample values are ... | 03/11/2008 |
| 7333038 | Eliminating the effects of the temperature coefficients of series resistance on temperature sensors An embodiment of the present invention is directed to a method for reducing the effects of temperature coefficients of series resistance in a temperature sensing circuit having a temperature sensing element. The currents through the temperature sensing element are r... | 02/19/2008 |
| 7332959 | Modulated triangular wave amplifier The invention is a power amplifier circuit for providing a signal acceptable for use in audio amplifiers or similar applications without requiring a stable power supply free from fluctuation. An alternating current power supply signal rectified to a direct current s... | 02/19/2008 |
| 7324027 | Circuit and method for testing analog-digital converter A circuit for testing an analog-digital converter includes: a subtracter which receives a converted value having a plurality of bits outputted from the analog-digital converter and an expected value having a plurality of bits, the subtracter calculating a difference... | 01/29/2008 |
| 7325165 | Instruction sequence verification to protect secured data Intended for an information security application, particularly in networked information systems, the present invention includes two methods and systems for verifying a current performance of a command by a controller. A first cyclic redundancy check (CRC) for the co... | 01/29/2008 |
| 7313057 | Method for adjusting a control parameter and optical disc drive server system using the same A method for adjusting a control parameter is adopted in an optical disc drive server system, which has a compensator, a control loop and a parameter regulator. The control loop includes an optical pickup and outputs a first tracking error signal/focus error signal.... | 12/25/2007 |
| 7309157 | Apparatus and method for calibration of a temperature sensor A circuit for temperature sensing provides a bias current to a PN junction, and the PN junction provides a PN junction voltage in response to the bias current. Also, a parasitic resistance may be coupled in series with the PN junction. The circuit for temperature se... | 12/18/2007 |
| 7304484 | Method and device for the temperature compensation of a measuring bridge A method for the temperature compensation of a resistance measuring bridge, such as in particular a Wheatstone bridge, is characterized in that a capacitor positioned between the input circuit and a resistance switching circuit of the Wheatstone bridge is successive... | 12/04/2007 |
| 7288983 | Method and circuit for providing a temperature dependent current source A programmable temperature compensation circuit having a bandgap circuit for generating a first temperature-independent voltage reference signal, VREF and a second temperature-dependent voltage signal, VTEMP. A two-input buffer amplifier is cou... | 10/30/2007 |
| 7279953 | Current switch and method of driving the same A method and apparatus for driving a current switch with a differential drive signal monitors both the temperature of the switch and the current through the switch. The method and apparatus dynamically control the amplitude of the drive signal as a function of the s... | 10/09/2007 |
| 7268720 | Converter networks for generation of MDAC reference signals Reference network embodiments are disclosed that provide reference signals to, for example, switched-capacitor multiplying digital-to-analog converters (MDACs) in pipelined analog-to-digital converters (ADCs). These embodiments are configured to maintain accuracy of... | 09/11/2007 |
| 7259707 | Semiconductor device with A/D converter A semiconductor device includes a reference voltage generating section configured to generate a first reference voltage and a second reference voltage based on a voltage supplied from an external power supply, and an AD (analog/digital) conversion circuit operating ... | 08/21/2007 |
| 7236111 | Linearizing methods and structures for amplifiers Methods and structures are provided to enhance the linearity of amplifiers such as those which include a complementary common-collector amplifier stage. The methods and structures configure this stage so that each transistor of the stage drives an output port throug... | 06/26/2007 |
| 7230552 | Temperature compensation apparatus, systems, and methods In some embodiments, apparatus and systems, as well as methods, may include providing an analog temperature output responsive to a combination signal comprising a combination of an analog compensation output and a reference signal, and converting the analog temperat... | 06/12/2007 |
| 7215266 | Hybrid DC offset cancellation scheme for wireless receiver Systems and methods for canceling static and dynamic DC offsets by combining a digital DC offset correction scheme with an analog DC offset correction scheme. A feedback-based digital DC offset correction scheme provides different adjustment levels for a plurality o... | 05/08/2007 |
| 7199663 | Use of analog-valued floating-gate transistors for parallel and serial signal processing Analog-valued floating-gate transistors are used as trimmable circuit components for modifying and/or controlling the gain, phase, offset, frequency response, current consumption, and/or transfer function of signal pathways in parallel and/or serial processing circu... | 04/03/2007 |
| 7187237 | Use of analog-valued floating-gate transistors for parallel and serial signal processing Analog-valued floating-gate transistors are used as trimmable circuit components for modifying and/or controlling the gain, phase, offset, frequency response, current consumption, and/or transfer function of signal pathways in parallel and/or serial processing circu... | 03/06/2007 |
| 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 |
| 7173326 | Semiconductor integrated device The present invention provides a semiconductor integrated device which can suppress high-frequency noise and which can thus stabilize the output voltage and power supply voltage of the reference voltage generating circuit. This semiconductor integrated device compri... | 02/06/2007 |
| 7164259 | Apparatus and method for calibrating a bandgap reference voltage An apparatus and method for producing an output reference voltage is provided. A voltage divider is configured to provide the output reference voltage from a bandgap reference voltage. The bandgap reference voltage is applied across a biased portion of the voltage d... | 01/16/2007 |
| 7161513 | Apparatus and method for improving resolution of a current mode driver A method for improving resolution of a current mode driver. The current mode driver is operable to provide an output that falls within a predetermined range. An embodiment of the method includes sensing a condition, such as a process condition, a voltage condition a... | 01/09/2007 |
| 7157941 | Differential switching circuit and digital-to-analog converter A differential switching circuit has a first transistor connected between a first output node and a common node and a second transistor connected between a second output node and the common node. A switching driver generates first and second driving signals in respo... | 01/02/2007 |
| 7142254 | Self compensating video data amplifier and driver for broadcast data receiver The invention relates to improvements to the operation of a broadcast data receiver (BDR) and, in particular, to the provision of a video data amplifier and driver circuit for the processing of a received video data signal. The circuit includes a means for generatin... | 11/28/2006 |
| 7129867 | Apparatus and method for correcting DC offset of receiver in multiband-hopping communication system A DC offset correction apparatus and method of a receiver in a multiband-hopping communication system is provided. The DC offset correction apparatus of the receiver in the communication system which hops to a plurality of bands, includes a controller for generating... | 10/31/2006 |
| 7129874 | Method and apparatus for operating a pipelined ADC circuit An analog-to-digital converter (ADC) circuit that converts an analog input signal into a digital output circuit includes a noise shaping first stage cascaded with a pipelined second stage. The first stage includes a sample-and-hold circuit and a first order modulato... | 10/31/2006 |
| 7126509 | Micropower logarithmic analog to digital conversion system and method with offset and temperature compensation A logarithmic analog-to-digital converter system is disclosed. The system includes a transconductor for receiving an input signal and for producing a transconductor output signal at a transconductor output, a logarithmic circuit unit that is coupled to an input of t... | 10/24/2006 |
| 7114087 | Method to detect a temperature change by a thermal monitor and compensating for process, voltage, temperature effects caused by the temperature change According to one embodiment, computer system is disclosed. The computer system includes a central processing unit (CPU), a bus coupled to the CPU and a chipset coupled to the bus. The chipset includes compensation circuitry to compensate for process, voltage and tem... | 09/26/2006 |
| 7104684 | On-chip digital thermometer to sense and measure device temperatures A system and method for sensing the temperature of a device. This includes the establishment of a programmable current from an on-chip source, which in turn is used to produce a temperature dependent voltage from a temperature dependent resistive device. The tempera... | 09/12/2006 |
