Patent application number | Description | Published |
20090085141 | PIXEL MATRIX WITH COMPENSATION OF OHMIC DROPS ON THE POWER SUPPLIES - A matrix microelectronic device comprising:
| 04-02-2009 |
20090085402 | MATRIX OF PIXELS PROVIDED WITH VOLTAGE REGULATORS - A matrix microelectronic device comprising:
| 04-02-2009 |
20090166544 | DEVICE FOR DETECTING ELECTROMAGNETIC RADIATION AND IONIZING RADIATION HAVING AN ISOTROPIC TRANSFER LAYER - This device for detecting electromagnetic radiation, in particular X-ray or γ-rays, includes: a sensing layer consisting of at least one material capable of interacting with said electromagnetic radiation to be detected, in order to liberate mobile charge carriers, whereof the movement generates an electric current; a substrate provided with a plurality of elementary collectors of the charge carriers thus liberated, said elementary collectors being distributed discretely; a transfer layer suitable for transferring the charge carriers liberated by the sensing layer at the elementary collectors, said layer being connected to the sensing layer; and an insulating adhesive mating layer, suitable for mating the plurality of elementary collectors and the transfer layer. | 07-02-2009 |
20100194951 | IMAGE SENSING MICROELECTRONIC DEVICE WITH ASYNCHRONOUS ANALOG-TO-DIGITAL CONVERTER - An analog/digital converter device associated with a detector of an image sensor, including: a comparator capable of receiving the analog signal and delivering a two-states output signal, able to adopt, depending on the analog signal, a first stable state or a second state, a charge injector capable of changing the analog signal by injection of at least one quantity of charges into the capacitor, and a mechanism for commanding the charge injector, capable of receiving the two-state signals and capable of triggering, depending on the two-state signals, plural injections of charges between at least two successive changes in state of the signal, from the first state to the second state and from the second state to the first state. | 08-05-2010 |
20130207960 | Imaging Device with Zero Ohmic Drop in a Data Conductor - An imaging device comprising comprises a matrix of pixels, at least one data conductor connected to several pixels of the matrix, organized row-wise and successively transporting signals delivered by respectively the pixels of the row and an electronic current generator supplying several pixels, each of the pixels comprising: a transistor delivering at the node of the pixel, the signal delivered by the pixel considered and wherein can flow a bias current from the current generator, and a first electronic switch connecting the node of the pixel to the data conductor associated with this pixel as a function of a selection signal of the pixel. Each of the pixels comprises a second electronic switch, distinct from the first electronic switch, joined to the node of the pixel, the current arising from the generator to be made to flow in the transistor as a function of the selection signal for the pixel. | 08-15-2013 |
20140217302 | Matrix of Pixels with Programmable Clusters - An imaging device comprising a matrix ( | 08-07-2014 |
20140368666 | ELECTRONIC COMPONENTS MATRIX OF ENHANCED RELIABILITY AND METHOD FOR LOCATING A FAULT IN THE MATRIX - Enhancement of the reliability of an imaging device comprising several pixels is provided, each of the pixels comprising several first blocks of electronic components organized as a matrix and joined by links to row buses and column buses of the matrix allowing the powering and control of each of the first blocks for its nominal operation. Each of the pixels moreover comprises, associated with the first block, programmable means for disconnection of the first block from the at least one of the buses. Locating of a fault in a device is also provided, the fault occurring in one of the first blocks and leading to a generalized fault in several first blocks. | 12-18-2014 |
20150034832 | RADIATION DETECTOR COMPRISING A CIRCUIT FOR INJECTING A CALIBRATED QUANTITY OF COUNTER-CHARGES - An electronic read circuit for a radiation detector comprises: a comparator receiving a threshold potential and the potential from an integration node, said node being able to store electrical charges that are generated by a photosensitive element; a counter connected to the output of the comparator; and a counter-charge injection circuit comprising: a capacitor that stores counter-charges, a transfer transistor that can be turned on in order to transfer counter-charges from a terminal of the capacitor to the integration node whenever the comparator toggles, the transfer of the counter-charges bringing about a variation of potential at said terminal of the capacitor, and a regulation circuit for controlling the transfer transistor, said circuit comprising means for turning on the transfer transistor when the potential of the terminal of the capacitor is between two predetermined potentials that are independent of the transfer transistor. | 02-05-2015 |