Patent application number | Description | Published |
20090026508 | Solid-state photosensor with electronic aperture control - The effective photosensitive area of a solid-state photosensor is controlled with a multitude of electrodes (E | 01-29-2009 |
20090121308 | IMAGE SENSING DEVICE AND METHOD OF - A two-dimensional, temporally modulated electromagnetic wavefield, preferably in the ultraviolet, visible or infrared spectral range, can be locally detected and demodulated with one or more sensing elements. Each sensing element consists of a resistive, transparent electrode (E) on top of an insulated layer (O) that is produced over a semiconducting substrate whose surface is electrically kept in depletion. The electrode (E) is connected with two or more contacts (C | 05-14-2009 |
20090212197 | Large -area pixel for use in an image sensor - A pixel for detecting incident radiation (In) over a large area with high sensitivity and low power consumption. The pixel comprises a semiconductor substrate ( | 08-27-2009 |
20100051786 | PIXEL CIRCUIT - The present invention refers, inter alia, to pixel circuits. The pixel circuit according to embodiments of the invention may include a photo-sensitive device having charge storage capability connected to a sense node. The pixel circuit may further include an inverting amplifier which is able to amplify a voltage from the sense node to a voltage on an output node of the amplifier, when being operated in open-loop configuration; and a reset switch being able to connect the input and output nodes of the inverting amplifier and thus to reset the inverting amplifier to an operating point providing high open loop gain by temporarily establishing negative feedback. Moreover, the pixel circuit may include a low-pass filter at the output node of the inverting amplifier for limiting the signal frequencies passing to the readout node to those frequencies that contain useful signal information. Additional and alternative embodiments are specified and claimed. | 03-04-2010 |
20100193666 | Image Sensor with Large-Area, High-Sensitivity and High-Speed Pixels - The pixel for use in an image sensor comprises a low-doped semiconductor substrate (A). On the substrate (A), an arrangement of a plurality of floating areas, e.g., floating gates (FG | 08-05-2010 |
20100224765 | Photo Sensor With Pinned Photodiode and Sub-Linear Response - A photo sensor exhibiting low noise, low smear, low dark current and high dynamic range consists of a pinned (or buried) photodiode (PPD) with associated transfer gate (TG), a reset circuit ( | 09-09-2010 |
20100250457 | AUTHENTICATION ITEM AND SYSTEM FOR PACKAGED ARTICLES AND METHOD FOR THE MANUFACTURING OF THE AUTHENTICATION ITEM - The present invention discloses, inter alia, an authentication item manufactured on product units for encoding the product units as being authentic. The authentication item is an intensity-modulating surface comprising a plurality of adjacent protrusions such that the intensity-modulating surface has alternating height. Each of the protrusions has at least two slopes of respective different orientation. When being in an authenticating position with respect to incident electromagnetic radiation employed for authentication, the authentication item modulates the intensity of the electromagnetic radiation in a manner that generates an intensity profile which is characteristic of the authentication item. In the authentication position, the propagation direction of the incident electromagnetic radiation is at least approximately parallel to one of the at least two slopes of the plurality of protrusions. | 09-30-2010 |
20110199106 | COMPACT LOW NOISE SIGNAL READOUT CIRCUIT AND METHOD FOR OPERATING THEREOF - The present invention discloses a solid-state electric charge sensor ( | 08-18-2011 |
20110227632 | CHARGE PULSE DETECTING CIRCUIT - The current invention relates, inter alia, to charge pulse amplitude and time detecting circuits, offering very low amplitude and temporal noise, and overcoming noise performance limits in charge pulse detection circuits according to prior art. Embodiments of the present invention may include a sensing device delivering charge pulses onto a sense node, an active buffer buffering the voltage on the sense node with a low impedance, a recharge device removing signal charge from the sense node, a noise filter connected to the output of the active buffer transmitting signal voltage pulses while attenuating noise from the recharge device. Additional and alternative embodiments are specified and claimed. | 09-22-2011 |
20110249788 | SYSTEM AND METHOD FOR DETERMINING THE COMPOSITION OF AN OBJECT - The present invention discloses a method for identifying the elemental composition of an object ( | 10-13-2011 |
20130206994 | HIGH-SENSITIVITY X-RAY DETECTOR - A device for the sensitive detection of X-rays comprises a structured scintillator screen optically coupled to a semiconductor image sensor. The scintillator screen comprises individual columnar elements covered with material showing high optical reflection. Each columnar element represents a pixel, and light flashes created by an X-ray photon in a scintillating event exit through a short surface of the columnar element for detection with a semiconductor image sensor. The semiconductor image sensor comprises a multitude of photosensor elements, and one or more of these photosensor elements receives light from a scintillator screen pixel. Each photosensor element of the image sensor comprises a semiconductor volume where photocharge is created, a lateral drift-field device for the collection of photocharge, an electronic detection circuit for the conversion of collected photocharge packets either into proportional voltage pulses, into binary signals indicating the arrival of X-ray photons or into digital signals whose values correspond to the energy of the incident X-ray photons. | 08-15-2013 |