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| Number | Title | Issue Date |
| 7659928 | Apparatus and method for providing anti-eclipse operation for imaging sensors An anti-eclipse circuit of an image pixel includes an output line for receiving a reset output signal from a pixel and a circuit coupled to the output line for detecting when a pixel reset voltage at a pixel output is below a predetermined level, and, in response, f... | 02/09/2010 |
| 7655893 | Optimization of alignment between elements in an image sensor An image sensor is formed with shifts among the optical parts of the sensor and the photosensitive parts of the sensor. The optical parts of the sensor may include a color filter array and/or microlenses. The photosensitive part may include any photoreceptors such a... | 02/02/2010 |
| 7652704 | Pixel for boosting pixel reset voltage A pixel cell in which a capacitance is coupled between a storage node and a row select transistor. The pixel cell utilizes a readout timing sequence between operation of a reset transistor and a row select transistor to boost a reset voltage. ... | 01/26/2010 |
| 7652243 | Amplification with feedback capacitance for photodetector signals Signals from an imager pixel photodetector are received by an amplifier having capacitive feedback, such as a capacitive transimpedance amplifier (CTIA). The amplifier can be operated at a low or no power level during an integration period of a photodetector to redu... | 01/26/2010 |
| 7649558 | Charge mode active pixel sensor read-out circuit An apparatus such as an imager includes groups of sensors each of which includes subgroups of sensors. Subgroup select circuits are coupled to outputs from respective subgroups of sensors, and group select circuits are coupled to outputs from subgroup select circuit... | 01/19/2010 |
| 7642846 | Apparatuses and methods for providing offset compensation for operational amplifier Apparatuses and methods for providing offset compensation include a primary amplifier which includes a first output, a second output, a first load input, and a second load input, a first feedback loop connected to the primary amplifier and which includes a first swi... | 01/05/2010 |
| 7630011 | High-speed sampling of signals in active pixel sensors Techniques are disclosed for enhancing the speed at which pixel levels are read out and sampled for processing. A method of processing pixel levels includes clamping a pixel readout line to a voltage level less than a voltage corresponding to a signal sensed by an n... | 12/08/2009 |
| 7612813 | Auto exposure for digital imagers An apparatus and method for performing automatic exposure control based on current measured luminance of an image and dynamic/modifiable target luminance levels. Exposure adjustments and/or adjustments to the dynamic/modifiable target luminance windows are based on ... | 11/03/2009 |
| 7612701 | Sharing operational amplifier between two stages of pipelined ADC and/or two channels of signal processing circuitry A mechanism for discharging parasitic capacitance at an input of an operational amplifier, which is shared between two stages of a pipelined analog-to-digital converter and/or two channels of signal processing circuitry, before the amplifier configuration of the sta... | 11/03/2009 |
| 7605855 | Dual sensitivity image sensor A system of taking images of different sensitivities at the same time uses both an image sensor, and an auxiliary part to the image sensor. The image sensor element can be a photogate, and the auxiliary part can be the floating diffusion associated with the photogat... | 10/20/2009 |
| 7593248 | Method, apparatus and system providing a one-time programmable memory device Disclosed are apparatus, system and methods of programming and readout of a one-time programmable memory devise having an array of memory cells, where the cells include an anti-fuse element and an in-cell amplifier transistor. Circuitry configured for programming an... | 09/22/2009 |
| 7573334 | Bias control circuitry for amplifiers and related systems and methods of operation Embodiments of the invention comprise methods, apparatuses and systems for a dynamic bias control circuit configured to dynamically bias an amplifier. The dynamic bias control circuitry includes four branches. Each of the four branches includes a transistor operably... | 08/11/2009 |
| 7569803 | Biasing apparatus, systems, and methods Apparatus, methods, and systems for providing a uniform bias voltage in a biasing circuit to a plurality of pixels. The biasing circuit has a plurality of switches, including a first switch connected at a first end of a capacitor and a second end connected to a firs... | 08/04/2009 |
| 7561487 | Layout technique for address signal lines in decoders including stitched blocks A decoder block includes a number of generic blocks stitched together. The generic blocks have an address line layout that enables the decoders to be addressed with a reduced number of signal lines. ... | 07/14/2009 |
| 7554066 | Method and apparatus employing dynamic element matching for reduction of column-wise fixed pattern noise in a solid state imaging sensor An imager having a switching circuit that couples pixel columns to different sample and hold circuits to reduce the noticeability of column-wise fixed pattern noise. A controller randomly couples a pixel column to a sample and hold circuit, therefore fixed pattern n... | 06/30/2009 |
| 7486819 | Sampling images for color balance information Pixels from an image are sampled for auto white balance (AWB) statistics. To avoid the effects of monochromatic regions, only pixels located at or near edges between monochromatic regions and neighboring regions are sampled for computation of the AWB gains. A sampli... | 02/03/2009 |
