Patent application number | Description | Published |
20120314110 | IMAGING APPARATUS AND IMAGING SYSTEM - Because a conventionally known imaging apparatus includes a buffer element for each signal processing circuit, the number of buffer elements increases in proportion to the number of signal processing circuits. The delayed supply of a drive signal within a group of a plurality of signal processing circuits may require the operation timing margin to be set longer. In other words, the operational speed is hard to increase. First buffer circuits connected in series and second buffer circuits connected in parallel with the first buffer circuits are provided, and one second buffer circuit supplies a drive signal to a plurality of signal processing units. | 12-13-2012 |
20130176470 | SOLID-STATE IMAGING APPARATUS AND IMAGING SYSTEM - A solid-state imaging apparatus having a pixel array is provided. The apparatus includes one or more ground lines and one or more power supply lines for supplying power to the pixels. Each of the pixels includes an photoelectric conversion element and an A/D converter for converting an analog signal corresponding to a charge generated by the photoelectric conversion element into a digital signal. At least one of the plurality of pixels includes at least a portion of a capacitance element having a first electrode connected to one of the one or more power supply lines, and a second electrode connected to one of the one or more ground lines. | 07-11-2013 |
20130214127 | PHOTOELECTRIC CONVERSION APPARATUS, METHOD FOR DRIVING THE SAME, AND PHOTOELECTRIC CONVERSION SYSTEM - A photoelectric conversion apparatus includes a pixel array configured to include a first analog-to-digital conversion unit and a second analog-to-digital conversion unit, a first electrical signal supply unit configured to supply an electrical signal to the first analog-to-digital conversion unit, and a second electrical signal supply unit configured to supply an electrical signal to the second analog-to-digital conversion unit. | 08-22-2013 |
20130215286 | PHOTOELECTRIC CONVERSION APPARATUS AND IMAGE PICKUP SYSTEM - Provided is a photoelectric conversion apparatus including a plurality of pixels and a control unit, wherein each of the pixels includes a photoelectric conversion unit and a digital-signal output unit configured to output a digital signal based on the output of the photoelectric conversion unit, and the number of bits of the digital signal may be switched. | 08-22-2013 |
20130242154 | SIGNAL TRANSMISSION SYSTEM, PHOTOELECTRIC CONVERSION APPARATUS, AND IMAGE PICKUP SYSTEM - A signal apparatus includes a plurality of pairs, each pair of which includes plural digital signal output units configured to output a digital signal, a block wiring to which output terminals of the plural digital signal output units are connected, and a buffer circuit an input terminal of which is connected to the block wiring, in which the output terminal of the buffer circuit included in one of the pairs is connected to the block wiring included in another one of the pairs. | 09-19-2013 |
20130321684 | IMAGE PICKUP DEVICE, IMAGE PICKUP SYSTEM, AND METHOD OF DRIVING IMAGE PICKUP DEVICE - Provided are an image pickup device, a method of driving the image pickup device, and an image pickup system, in which timings of starting operations in a plurality of comparison units to which power supply voltage is applied through a common line are controlled to be different. | 12-05-2013 |
20140015993 | PHOTOELECTRIC CONVERSION DEVICE AND IMAGING SYSTEM - A photoelectric conversion device includes a pixel array including a plurality of pixels arranged in a matrix, and a plurality of signal processing units each associated with a respective one of columns of the pixel array and including an A/D conversion unit configured to convert a signal generated based on the pixels into a digital signal. The photoelectric conversion device further includes a plurality of groups each including a plural ones of signal processing units out of the plurality of signal processing units and a block output unit configured to receive outputs of the plural ones of signal processing units, and a driving signal transmission unit configured to transmit a driving signal for driving a plurality of the block output units. The driving signal transmission unit supplies, to one of the block output units and another of the block output units, the driving signal at respective different timings. | 01-16-2014 |
20140240570 | IMAGING APPARATUS, IMAGING SYSTEM, AND METHOD FOR DRIVING IMAGING APPARATUS - There are provided an imaging apparatus, an imaging system, and a method for driving the imaging apparatus, which include a pixel including a conversion unit and an AD conversion unit for converting a signal output from the conversion unit into a digital signal, a first bias line electrically connected to the conversion unit, and a capacitance element for storing the voltage based on the potential of the first bias line, wherein the AD conversion unit is driven by the voltage stored in the capacitance element. | 08-28-2014 |
20140247381 | IMAGE PICKUP APPARATUS, DRIVING METHOD FOR IMAGE PICKUP APPARATUS, IMAGE PICKUP SYSTEM, AND DRIVING METHOD FOR IMAGE PICKUP SYSTEM - In an image pickup apparatus, a counter configured to output a count signal to a second AD conversion unit starts, with a delay, counting clock signals as compared with a counter configured to output a count signal to a first AD conversion unit by a time period corresponding to a delay of a reference signal output to a comparator of the second AD conversion unit with respect to a reference signal output to the comparator of the first AD conversion unit. | 09-04-2014 |
20140320712 | IMAGE PICKUP APPARATUS, IMAGE PICKUP SYSTEM, AND METHOD OF DRIVING IMAGE PICKUP APPARATUS - In an image pickup apparatus including first circuits, second circuits, and conversion units, an operation period of the second circuit is shorter than an operation period of the first circuit, and a number of the first circuit arranged in each unit cell is greater than a number of the second circuit arranged in each unit cell. | 10-30-2014 |
20140320714 | IMAGING APPARATUS, IMAGING SYSTEM, AND DRIVING METHOD FOR IMAGING APPARATUS - A pixel array has a plurality of output units arranged in matrix form and a plurality of A/D conversion units corresponds to the output units. Each of the output units outputs an electric signal based on incident electromagnetic waves. Each of the A/D conversion units converts the electric signal input from the corresponding output unit to a digital signal. A plurality of storage units corresponds to columns of the output units. Each of the storage units holds the corresponding digital signal. A first signal line is configured to supply a driving bias to at least one of the output units and the A/D conversion units. A second signal line is configured to transmit the digital signal from the A/D conversion units to the storage units. The output units are provided between the first signal line and the second signal line. | 10-30-2014 |
20140354864 | DRIVING METHOD FOR IMAGING APPARATUS, IMAGING APPARATUS, AND IMAGING SYSTEM - There is provided an imaging apparatus including an A/D converting unit, wherein reset periods for a plurality of pixels are differentiated. | 12-04-2014 |