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Class 348/308 - Including switching transistor and photocell at each pixel site (e.g., "MOS-type" image sensor)


Subclass of Class 348 - Television
Definition: Subject matter wherein each image resolution element comprises
No. of patents: 1304
Last issue date: 05/22/2012


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NumberTitleIssue Date
7368698Imaging device with reduced row readout time and method of operating the same
An imager in which a column line bias current control signal is pulsed at some time during and/or after the pulsing of the reset control and the transfer control signals to increase a bias current in a pixel column line during reset and transfer operations. The bias...
05/06/2008
7369166Single substrate camera device with CMOS image sensor
Single substrate device is formed to have an image acquisition device and a controller. The controller on the substrate controls the system operation. ...
05/06/2008
7365784Column sample-and-hold cell for CMOS APS sensor
A sample and hold readout circuit and method of operation which minimizes fixed pattern noise during a read out operation. The circuit improves the consistency of the pixel to pixel output of the pixel array and increases the dynamic range of the pixel output. This ...
04/29/2008
7365779Image processing apparatus for selectively storing specific regions of an image
The invention provides an image processing apparatus that can reduce the memory capacity of a memory forming part of the image processing apparatus and can correct the optical axis misalignment of a video camera in a simple manner. The image processing apparatus ...
04/29/2008
7362355Digital CMOS image sensor incorporating a programmable multi-functional lookup table
A system-on-chip imaging system includes an image sensor of a two-dimensional array of pixel elements providing pixel data representing an image of a scene, a data memory for storing pixel codewords whereby at least some of the pixel codewords are indicative of the ...
04/22/2008
7362363Sensor device with sensor elements and read-out unit which reads partial measurements
In a sensor arrangement, a number of sensor elements make measurements and a read-out unit reads measurements from the sensor elements. Images should be recorded in such a way that easily compressible representation of the image content is obtained back at the recor...
04/22/2008
7362365Digital image capture having an ultra-high dynamic range
An image capture method in a digital image sensor implements a continuous sampling technique with a massively parallel thermometer-code analog-to-digital conversion (ADC) technique to generate pixel data having an intrinsic to an ultra-high dynamic range. In one emb...
04/22/2008
7361989Stacked imager package
An imaging system for use in a digital camera or cell phone utilizes one chip for logic and one chip for image processing. The chips are interconnected using around-the-edge or through via conductors extending from bond pads on the active surface of the imaging chip...
04/22/2008
7362366High-speed solid-state imaging device capable of suppressing image noise
In a CMOS image sensor, current leakage after a series of noise removing operations has been completed is suppressed in a read operation for each horizontal line, thereby suppressing image noise occurring on the output display screen of the image sensor. There are p...
04/22/2008
7355641Solid state imaging device reading non-adjacent pixels of the same color
A solid-state imaging device includes: an imaging portion in which a plurality of pixels for photoelectrically converting incident light are arranged so as to form a plural kinds of pixel lines having different color arrangements; a memory in which pixel signals obt...
04/08/2008
7355642Photo-detection device
The present invention relates to a photo-detecting device having a structure which enables an increase of the number of pixels and advanced high density and further enables precise photo-detection. The photo-detecting device includes N photodiodes, N switches a comm...
04/08/2008
7355645Image pickup apparatus with potential fluctuation prevention
There is provided an image pickup apparatus including a pixel including a photoelectric conversion element and an amplification element for amplifying and outputting a signal generated at the photoelectric conversion element, a load transistor for controlling an ele...
04/08/2008
7355419Enhanced signal observability for circuit analysis
Methods and arrangements to enhance photon emissions responsive to a signal within an integrated circuit (IC) for observability of signal states utilizing, e.g., picosecond imaging circuit analysis (PICA), are disclosed. Embodiments attach a beacon to the signal of ...
04/08/2008
7352399Solid-state imaging device driving method
Photosensitive cells each includes a photodiode (1), a transfer gate (2), a floating diffusion layer portion (3), an amplifying transistor (4), and a reset transistor (5). Drains of the amplifying transistors (4) of the phot...
04/01/2008
7352400Solid-state image pickup apparatus having a differential output
An image pickup apparatus including: a plurality of photoelectric conversion elements for photoelectrically converting light from an object, a first output line to which signals from the plurality of photoelectric conversion elements are successively outputted, a pl...
04/01/2008
7352401Solid-state imaging element, method for driving the same, and camera system
Since the great number of elements constituting a unit pixel having an amplification function would hinder reduction of pixel size, unit pixel n,m arranged in a matrix form is comprised of a photodiode, a transfer switch for transferring charges stored in the photod...
04/01/2008
7348534Method for controlling active pixel elements and active pixel arrays having a column-read transistor for reading signals
An active pixel element of an image sensor array includes a sensor, a transfer transistor, a reset transistor, and a source follower. There is a column-read transistor positioned in each column of the image sensor array for controlling the read signals. When the sen...
03/25/2008
7348615Image pickup device and camera for converting charges into voltage
An object is to provide a solid state image pickup device and a camera which do not worsen a sensor performance in terms of an optical property, a saturated charge amount and the like. A solid state image sensor including a pixel region having a plurality of pixels ...
03/25/2008
7348651Pinned photodiode fabricated with shallow trench isolation
A method and system is disclosed for reducing or eliminating leakage between a pinned photodiode and shallow trench isolation structure fabricated therewith while optimizing the sensitivity of the photodiode. Provided is a system with an N+ region implanted in a P-t...
03/25/2008
7349015Image capture apparatus for correcting noise components contained in image signals output from pixels
An image capture apparatus includes first and second pixels. Each pixel has a sensor and a reading portion for reading out a signal from the sensor to an output line. The apparatus further includes a correcting section for changing a correction signal in accordance ...
03/25/2008
7349019Solid-state imaging device, camera, power supply device and method thereof
With the use of the MOS-type solid-state imaging device, it is possible, by extending the period during which the VDD voltage rises from Low level to High level, that the gate voltage of the resetting unit does not fluctuate to have a positive electric potential due...
03/25/2008
7349018CMOS image sensor and method for operating a CMOS image sensor in a weak inversion mode with increased dynamic range
There is disclosed a CMOS technology image sensor and a method for operating such an image sensor. This sensor includes a plurality of pixels (50) each including a photo-sensor element (PD) producing charge carriers in proportion to its illumination and stora...
03/25/2008
7348533Unit pixel of CMOS image sensor
In a unit pixel of a CMOS image sensor which compensates for a dark current generated in a photo diode to enhance its driving range, the photo diode generates a charge in accordance with a received light amount. A drive transistor has a gate for receiving the charge...
03/25/2008
7345613Image processing circuit, imaging circuit, and electronic device
An image processing circuit for reducing noise. The image processing circuit includes a CDS circuit for taking a potential difference between a pixel signal at a reset of an image pickup device and a pixel signal after exposure, and an AD conversion circuit. The AD ...
03/18/2008
7343000Imaging apparatus and imaging system
An X-ray image radiographing system according to the present invention comprises an X-ray generator, a detection unit, a correction unit for performing a correction processing for the data outputted from the detection unit, and an output unit such as a monitor for o...
03/11/2008
7342212Analog vertical sub-sampling in an active pixel sensor (APS) image sensor
An active pixel sensor (APS) image sensor comprises an array of pixel circuits corresponding to rows and columns of pixels, a plurality of amplifiers that buffer signals output by the array of pixel circuits, and a plurality of sample and hold circuits that read the...
03/11/2008
7342213CMOS APS shared amplifier pixel with symmetrical field effect transistor placement
An image sensor includes a plurality of photodetectors arranged in an array; and a plurality of transistors that are functionally shared by the photodetectors, wherein a distance of each photodetector to an adjacent transistor is substantially the same. ...
03/11/2008
7339621Imager output signal processing
The method and apparatus for processing pixel output signals from column lines in an imager having an array of pixels in rows and columns uses a sigma-delta type analog-to-digital converter to convert the output signals on each column line to digital signals and fee...
03/04/2008
7339614Large format camera system with multiple coplanar focusing systems
Large format, digital camera systems (10, 100, 150, 250, 310) expose single detector arrays 20 with multiple lens systems (12, 14, 16, 18) or multiple detector arrays (104, 106, 108, 110, 112, 114, 116, 118, 120, 152, 162, 172, 182, 252, 262,...
03/04/2008
7336311Row decoding scheme for double sampling in 3T pixel arrays
The invention disclosed is directed to a method and apparatus which allows a “rolling shutter” type of read out sequence in a pixel array that is read using a double sampling technique by having the rows of pixels reset a second time in each of their cycles for ...
02/26/2008
7335869Image sensor, multi-chip module type image sensor and contact image sensor
The invention is to suppress a loss in image quality resulting from a sensitivity difference among different colors and to suppress an increase in a chip area. The invention provides for example an image sensor including three light detecting element rows respective...
02/26/2008
7336214Analog to digital converter circuit with offset reduction and image sensor using the same
An image sensor may be improved by using ADCs that compensate for the effect of comparator input offset on comparator decisions. Offset compensation may be implemented in an ADC by using an amplifier section between the input of the ADC and a comparator section of t...
02/26/2008
7336808Optical sensor
Photodetector 1 is equipped with photodiodes PDn, integrating circuits 10n, CDS circuits 20n, and hold circuits 30n. Each integrating circuit 10n includes an amplifier 11n, a capacitor C, a...
02/26/2008
7336309Dynamic range compression method
A method for compressing the dynamic range of an image sensor (202) including a multiplicity of pixels. The method includes the steps of exposing each of the pixels to light and producing an associated photocurrent per pixel, representative of the light expos...
02/26/2008
7333146Image capturing apparatus for adjusting a relative position between an image sensor and an optical axis
The image sensor 52 is provided with a chip 53 having a image capturing surface 31 and a packaged to which the chip 53 is attached. The image capturing surface include a plurality of blocks 31a to 31d. Each of ...
02/19/2008
7329851Photodetector having a photosensitive region and two-dimensional pixel arrangement
First integrating circuits 110 convert electric currents from one group of photosensitive portions electrically connected to each other in a plurality of pixels arranged in a first direction into voltages, and output the voltages. First S/H circuits 130
02/12/2008
7326904In-pixel kTC noise suppression using circuit techniques
A circuit and method for reducing kTC noise in CMOS imagers while minimizing power dissipation is disclosed. Correlated double sampling (CDS) is performed within each pixel such that the reset voltage and the integration voltage are sampled and stored within the pix...
02/05/2008
7327393CMOS image sensor with variable conversion gain
An image sensor pixel has variable conversion gain to prevent overexposure of the pixel without reducing the exposure period. Under dim lighting conditions, the pixel operates with high conversion gain and is highly sensitive to light. When the incident light is bri...
02/05/2008
7323671Method 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
7323986Reusable tamper respondent enclosure
The present invention relates to a tamper respondent enclosure which may be opened and closed as many times as necessary. In particular, the present invention relates to a re-usable tamper respondent enclosure comprising a first sensing means and a second sensing me...
01/29/2008
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