Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8059174 | CMOS imager system with interleaved readout for providing an image with increased dynamic range There is provided a CMOS imager system for providing a viewable image having increased dynamic range including an image sensor including a number of sets of pixels. Each set of pixels is configured to receive one of a number of exposures and to generate image data c... | 11/15/2011 |
| 8001172 | High speed filter An electronic filter operates as a correlator that provides a discrete approximation of an analog signal. The analog to digital conversion is integrated directly approximation calculation. An array of sample and hold circuits or single bit comparators provide output... | 08/16/2011 |
| 7953782 | Digital forced oscillation by direct digital synthesis An opportunity is apparent to develop alternative circuitry. Simplified circuitry without artifacts tied to the clock that drives a digital frequency generator (DFG) is useful in a variety of tunable electronic devices. The present invention relates to digital frequ... | 05/31/2011 |
| 7902877 | Digital sampling mixer with multiphase clocks A multiphase clock generates pulses at a rate much higher than the clock frequency. ... | 03/08/2011 |
| 7800145 | Method and apparatus for controlling charge transfer in CMOS sensors with a transfer gate work function An improved CMOS sensor integrated circuit is disclosed, along with methods of making the circuit and computer readable descriptions of the circuit. ... | 09/21/2010 |
| 7782129 | System and method to reduce audio artifacts from an audio signal by reducing the order of the control loop A system is provided for use in an audio signal processor to reduce the order of the loop to remove sound artifacts from an audio signal that includes an input for receiving an audio input signal a control loop of order greater than one configured to process the aud... | 08/24/2010 |
| 7755116 | Method and apparatus for controlling charge transfer in CMOS sensors with an implant by the transfer gate An improved CMOS sensor integrated circuit is disclosed, along with methods of making the circuit and computer readable descriptions of the circuit. ... | 07/13/2010 |
| 7745774 | Wide dynamic range image sensor An exemplary image sensor comprises a photodetector proximate to a pixel site, and a light meter proximate to the pixel site configured to approximate an initial charge acquired by the photodetector at the end of a first integration period of a frame exposure period... | 06/29/2010 |
| 7680173 | Spread spectrum clock generator having an adjustable delay line A system and method are provided for performing a spread spectrum clock generation, where the system includes self-adjusting delay line configured to spread the spectrum of a fixed circuit using a fixed clock frequency and a delay circuit configured to generate an a... | 03/16/2010 |
| 7635880 | Method and apparatus for proximate CMOS pixels An improved CMOS sensor integrated circuit is disclosed, along with methods of making the circuit and computer readable descriptions of the circuit. ... | 12/22/2009 |
| 7570693 | Low noise digital to pulse width modulated converter with audio applications The present invention relates to digital-to-analog conversion. In particular, it has application to conversion of pulse code modulated signals, such as used in CDs and DVDs, to a pulse width modulated or analog signal. ... | 08/04/2009 |
| 7551741 | System and method for 3D sound processing A system for 3D sound processing. The system includes a first processing section including a first left lattice filter and a first right lattice filter, respectively electrically connected to a second left lattice filter and a second right lattice filter, and includ... | 06/23/2009 |
| 7495274 | Method and apparatus for controlling charge transfer in CMOS sensors with a graded transfer-gate work-function An improved CMOS sensor integrated circuit is disclosed, along with methods of making the circuit and computer readable descriptions of the circuit. ... | 02/24/2009 |
| 7457836 | Bi-quad digital filter configured with a bit binary rate multiplier The invention is directed to a bi-quad filter circuit configured with sigma-delta devices that operate as binary rate multipliers (BRMs). Unlike conventional bi-quad filter circuits, the invention provides a bi-quad filter configured with a single-bit BRM. In anothe... | 11/25/2008 |
| 7436333 | Asynchronous sample rate converter Various embodiments perform sample rate conversion of a sample series at an input rate to an output rate. A version of the sample series is corrected with timing error information generated by a digital loop. The digital loop is locked to a first rate and clocked at... | 10/14/2008 |
| 7430020 | Separation of composite video signals using dot crawl detector The present invention relates to separation of composite video signals, such as NTSC or PAL signals. In particular, it relates to accurate decoding of chrominance and luminance components, which may reduce so-called dot crawl and false color artifacts of at least so... | 09/30/2008 |
| 7411169 | Wide dynamic range image sensor and method of use An exemplary image sensor comprises a photodetector proximate to a pixel site, and a light meter proximate to the pixel site configured to approximate an initial charge acquired by the photodetector at the end of a first integration period of a frame exposure period... | 08/12/2008 |
| 7385272 | Method and apparatus for removing electrons from CMOS sensor photodetectors An improved CMOS sensor integrated circuit is disclosed, along with methods of making the circuit and computer readable descriptions of the circuit. ... | 06/10/2008 |
| 7381936 | Self-calibrating anti-blooming circuit for CMOS image sensor having a spillover protection performance in response to a spillover condition A method and apparatus to provide blooming protection for a pixel in an array while extending dynamic range. ... | 06/03/2008 |
| 7379006 | Digital to analog converter calculating a difference between multiple indicators of a multi-bit input signal The present invention relates to multi-bit to pulse width modulated signal conversion, with extensions to digital-to-analog conversion. In particular, it has application to conversion of pulse code modulated signals, such as used in CDs and DVDs, to audio output. | 05/27/2008 |
| 7349491 | Frequency shaping stream signal processor A signal processor has a plurality of channels, each channel configured to receive an input signal stream, to reduce the signal to a direct current signal and to process the signal according to the stream signal. Each channel also has a plurality of low pass filters... | 03/25/2008 |
| 7334211 | Method for designing a CMOS sensor using parameters An improved CMOS sensor integrated circuit is disclosed, along with methods of making the circuit and computer readable descriptions of the circuit. ... | 02/19/2008 |
| 7330138 | Asynchronous sample rate correction by time domain interpolation A circuit is provided to correct a sample rate by way of time domain interpolation having a first circuit loop having an up/down counter configured to receive an input signal and a feedback signal and an adder configured to receive the output signal from the up/down... | 02/12/2008 |
| 7323671 | Method and apparatus for varying a CMOS sensor control voltage An improved CMOS sensor integrated circuit is disclosed, along with methods of making the circuit and computer readable descriptions of the circuit. ... | 01/29/2008 |
| 7321270 | Current-controlled CMOS ring oscillator circuit A ring oscillator having an odd number of active elements connected in series, where the signal output of one active element is connected to the signal input of the next active element to form a closed ring of active elements. Each active element has a power supply ... | 01/22/2008 |
| 7277491 | Data access arrangement using a high frequency transformer for electrical isolation An electrical isolation barrier for use in a Data Access Arrangement uses a high frequency (HF) transformer 24 to provide isolation. An input signal, which may be analog or digital, is connected to a modulator. The analog output of the modulator is connected to the ... | 10/02/2007 |
| 7259704 | System and method for compensating for error in a sigma delta circuit A system and method are provided for compensating for output error in a sigma delta circuit. The system includes an input for receiving an input signal and an output configured to output a output signal. The system further includes a summation component configured t... | 08/21/2007 |
| 7250665 | Method and apparatus for removing electrons from CMOS sensor photodetectors An improved CMOS sensor integrated circuit is disclosed, along with methods of making the circuit and computer readable descriptions of the circuit. ... | 07/31/2007 |
| 7203379 | Digital image cross talk correction An image processing system comprises a processing circuitry operable to receive a digital image and a line buffer circuitry communicatively coupled to the processing circuitry, the line buffer circuitry comprising a plurality of line buffers. The processing circuitr... | 04/10/2007 |
| 7199824 | Intelligent blemish control algorithm and apparatus An image processing method and apparatus is described for processing a signal from a monochrome or color sensor that may be subject to pixel defects or blemishes. Without prior knowledge of any pixel defects, the processing method examines each pixel value and its n... | 04/03/2007 |
| 7199654 | Multi-stage amplifier with switching circuitry Disclosed are a multi-stage amplifier circuit, a method of operating a multi-stage amplifier circuit, and a device with the multi-stage amplifier circuit. The amplifier circuit technology includes an operational amplifier shared among multiple stages and switching c... | 04/03/2007 |
| 7197522 | Bi-quad digital filter configured with a bit binary rate multiplier The invention is directed to a bi-quad filter circuit configured with sigma-delta devices that operate as binary rate multipliers (BRMs). Unlike conventional bi-quad filter circuits, the invention provides a bi-quad filter configured with a single-bit BRM. In anothe... | 03/27/2007 |
| 7194141 | Image resolution conversion using pixel dropping A system for generating image conversion data is provided. The system includes a numerator buffer storing numerator data of a conversion ratio, such as where the numerator of the ratio represents the relative current size of a set of image data and the denominator o... | 03/20/2007 |
| 7193552 | Flash analog-to-digital converter A differential input flash analog-to-digital converter in which an array of comparators is connected to compare reference signals within a parabolic distribution of such signals generated by the application of a differential input signal across an impedance network.... | 03/20/2007 |
| 7170555 | Cross-talk adjustment in electronic imaging devices An electronic imaging device includes a photosensor having a plurality of photodetectors in an array structure, and a processor in signal communication with the photodetectors. The processor is operable to cross-talk adjust a signal from a photodetector based upon t... | 01/30/2007 |
| 7151574 | Optimized structure for digital separation of composite video signals A device and method are provided for implementing digital baseband separation of composite video signals with reduced memory requirements. The method and device require that only the composite signal be stored in a large delay element. Multiple quadrature demodulato... | 12/19/2006 |
| 7138935 | Low noise digital to signal interval converter with audio applications The present invention relates to digital-to-analog conversion. In particular, it has application to conversion of pulse code modulated signals, such as used in CDs and DVDs, to a pulse width modulated or analog signal. ... | 11/21/2006 |
| 7127121 | Efficient implementation of a noise removal filter A method for noise removal filtering is provided. The method includes selecting a characteristic of a test pixel, such as brightness, and comparing the brightness of the test pixel to the brightness of an adjacent pixel. The noise removal filtering is terminated if ... | 10/24/2006 |
| 7120196 | Intra-prediction using intra-macroblock motion compensation To encode an unencoded block of a frame, a search window is defined within the frame. Each pixel disposed within the search window and disposed in the unencoded portion of the frame that is assigned a value. A difference is computed between the unencoded block and e... | 10/10/2006 |
| 7116257 | Low noise digital to analog converter with audio applications The present invention relates to multi-bit to pulse width modulated signal conversion, with extensions to digital-to-analog conversion. In particular, it has application to conversion of pulse code modulated signals, such as used in CDs and DVDs, to audio output. | 10/03/2006 |
