...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8031252 | Solid-state image capturing device, driving method thereof, camera, electric charge transfer device, driving method and driving device for driving load, and electronic equipment A solid-state image-capturing device which has built in an image-capturing area including a light receiving element provided on a semiconductor substrate, a substrate bias circuit, and a clamp circuit for receiving output of the substrate bias circuit and applying t... | 10/04/2011 |
| 7884872 | Method for driving solid-state imaging apparatus and solid-state imaging apparatus A driving method is applied to a solid-state imaging apparatus having photoelectric conversion portions, transfer portion for reading out signal charges, and an excess charge draining portion for draining charges exceeding a saturation charge amount that is set by a... | 02/08/2011 |
| 7817200 | Solid-state image-capturing device, driving method thereof, camera, electric charge transfer device, driving method and driving device for driving load, and electronic equipment A solid-state image-capturing device which has built in an image-capturing area including a light receiving element provided on a semiconductor substrate, a substrate bias circuit, and a clamp circuit for receiving output of the substrate bias circuit and applying t... | 10/19/2010 |
| 7362358 | Correction of level difference between signals output from split read-out type image sensing apparatus Disclosed is an sensing apparatus using an image sensing device having at least first and second output terminals, comprising first and second amplifiers that independently amplify signals output from the first and second output terminals, respectively; a first gain... | 04/22/2008 |
| 7282972 | Bias generator with feedback control A bias generator for initializing a voltage controlled delay line by providing the voltage controlled delay line with a control signal having an initial voltage and monitoring the variable delay line for an output clock signal. The voltage of the control signal is v... | 10/16/2007 |
| 7280144 | Solid-state image sensing device with reduced leak current Disclosed is a solid-state image sensing device having at least one pixel. The pixel comprises a photoelectric conversion section for outputting an electric signal according to a quantity of incident light, and a sample hold circuit for sampling and holding the elec... | 10/09/2007 |
| 7277128 | Image-sensing device having a plurality of output channels An image-sensing device has pixel areas for outputting CCD signals of plural channels, and an adjusting portion for adjusting a level of each channel of the CCD signals outputted from the pixel area. A first channel CCD signal is provided from a pixel area 11... | 10/02/2007 |
| 7248295 | Image pickup apparatus including a solid-state imager having a plurality of light receptive areas A solid-state imager 20 outputs image signals corresponding to picture elements received from light-receptive areas thereof. A sample-and-hold circuit 24 performs a sample-and-hold operation for the image signals at prescribed times. A driving circuit ... | 07/24/2007 |
| 7217983 | Photoelectric conversion film-stacked type solid-state imaging device To provide a solid-state imaging device in which the number of transistors for each signal readout circuit provided in a semiconductor substrate side is reduced and the number of image signal readout lines is reduced, solid-state imaging device a semiconductor subst... | 05/15/2007 |
| 7218351 | Image-sensing apparatus for compensating video signal of a plurality of channels An image-sensing apparatus for compensating video signal of a plurality of channels, adds an electric charge of a pilot signal on a signal vertically transferred in an image-sensing device 11. A pixel area of the image-sensing device 11 is divided into... | 05/15/2007 |
| 7209173 | Methods of operating photodiode-type pixel and imager device Operation for global electronic shutter photodiode-type pixels. In a first mode of operation, lag is reduced through global reset of the photodiode array and fixed pattern noise is eliminated through comparison of the photosignal level and the reset level of the flo... | 04/24/2007 |
| 7173229 | Solid state imager A charge division arrangement for a CCD device for producing a divided charge output from an input charge, comprising an input for receiving an input charge, an array of elements and an output. The array of elements being arranged in rows and columns and having cloc... | 02/06/2007 |
| 7164443 | Image-sensing apparatus To reduce variations in output current of individual pixels resulting from variations in threshold voltage of the MOS transistor T1 provided in each pixel, the threshold voltage of the MOS transistor T1 of each pixel is measured to acquire compensation... | 01/16/2007 |
| 7139023 | High dynamic range charge readout system A solid-state image sensor has a readout architecture that incorporates charge multiplier cells into a horizontal register of a CCD image sensor, and includes a first CCD register adjacent to at least a second CCD register and coupled to the said first register thro... | 11/21/2006 |
| 7095440 | Photodiode-type pixel for global electronic shutter and reduced lag Operation for global electronic shutter photodiode-type pixels. In a first mode of operation, lag is reduced through global reset of the photodiode array and fixed pattern noise is eliminated through comparison of the photosignal level and the reset level of the flo... | 08/22/2006 |
| 7068319 | CMOS image sensor with a low-power architecture A system of reducing power consumption in and active pixels sensor. The sensor is broken into different blocks, and each of the blocks is individually optimized. The optimization may include minimizing the parasitic capacitance on the readout bus, turning off biases... | 06/27/2006 |
| 7053948 | Solid-state image pickup device with discharge gate operable in an arbitrary timing A solid-state image pickup device has a discharge gate and a discharge drain provided adjacent to a connection of a vertical CCD and a horizontal CCD so that charges accumulated for an arbitrary pixel can be completely depleted. Data can be read at an arbitrary deci... | 05/30/2006 |
| 7027093 | Method of transferring electric charge from image sensing device and image sensing device An image sensing device for transferring electric charge from a plurality of photoelectric converters disposed therein. The image sensing device is divided into a plurality of pixel areas. At least a pair of the divided pixel areas contiguous to each other have a ve... | 04/11/2006 |
| 7015964 | Solid-state image pickup device and method of resetting the same A solid-state image pickup device comprises for each pixel a photoelectric converter PD, an input terminal FD of a signal amplifier and a transfer switch TX for transferring an optical signal from the photoelectric converter to the input terminal. The device additio... | 03/21/2006 |
| 6946637 | Image sensing device using MOS type image sensing elements In a photoelectric conversion device having a plurality of pixel cells each of which includes a photoelectric conversion element, a field effect transistor having the gate area for storing signal charge generated by the photoelectric conversion element and the sourc... | 09/20/2005 |
| 6912003 | Methods of and circuit array for compensating variations induced by temperature strain and manufacture in CMOS video sensors A method and circuit for compensating variations induced by temperature, strain and manufacturing technology in CMOS video sensors. Using at least two reference CMOS sensors, held at the same temperature level as the CMOS video sensors to be compensated and which ar... | 06/28/2005 |
| 6906793 | Methods and devices for charge management for three-dimensional sensing Structures and methods for three-dimensional image sensing using high frequency modulation includes CMOS-implementable sensor structures using differential charge transfer, including such sensors enabling rapid horizontal and slower vertical dimension local charge c... | 06/14/2005 |
| 6847400 | Photosensitive apparatus wherein an initial charge on a photodiode is sampled and substracted during readout In a photosensitive apparatus having photodiodes, such as a photosensor chip used in digital office equipment, a “fat zero” initial bias is injected on the photodiode. With every cycle of operation, a first fat zero is placed on the photodiode and then sampled. ... | 01/25/2005 |
| 6806514 | Modular digital pixel sensor system A digital pixel sensor-based modular digital imaging system includes several integrated circuit modules. At least one module includes an integrated circuit die having a digital pixel sensor array and a frame buffer, and at least one module includes an integrated cir... | 10/19/2004 |
| 6667768 | Photodiode-type pixel for global electronic shutter and reduced lag Operation for global electronic shutter photodiode-type pixels. In a first mode of operation, lag is reduced through global reset of the photodiode array and fixed pattern noise is eliminated through comparison of the photosignal level and the reset level... | 12/23/2003 |
| 5844598 | CCD based optical detector for a confocal microscope An optical detector includes a charge-coupled device (CCD). The CCD comprises an active cell for receiving a narrow beam of incident illumination and generating photoelectrons in response thereto, and a first stage readout register comprising a row of N t... | 12/01/1998 |
| 5757426 | Photoelectric converter output processing system for providing reliable output amplification A photoelectric converter output processing system includes a photoelectric converter for converting light signals into electric output signals, a voltage storage device capable of storing a reference voltage, a voltage supply device that supplies a prese... | 05/26/1998 |
| 5715001 | Solid-state camera device and method of driving thereof A solid-state camera device of the present invention includes a semiconductor substrate, a plurality of charge storage regions formed on the semiconductor substrate, a charge transfer region formed on the semiconductor substrate, for transferring charges ... | 02/03/1998 |
| 5696393 | Method and apparatus for reducing blooming in output of a CCD image sensor A method and apparatus for reducing bloom in output of a charge coupled device (CCD) image sensor is disclosed. The method includes the step of toggling at least two phases of said CCD after exposure of said CCD. The method and apparatus are particularly ... | 12/09/1997 |
| 5654537 | Image sensor array with picture element sensor testability A picture element sensor circuit in an image array scanner is tested by driving a reset FET with a controllable voltage to set the reverse-bias voltage across the photo-diode at any selectable level of test voltage. In this way each pixel sensor circuit i... | 08/05/1997 |
| 5591996 | Recirculating charge transfer magnetic field sensor A device for producing an output voltage which is proportional to an applied magnetic field. The device includes a plurality charge injection regions, a corresponding plurality of charge exit regions, and a charge transfer region. The charge transfer regi... | 01/07/1997 |
| 5530475 | Image sensor with oversized vertical shift registers for marker pixel generation A method and apparatus for generating timing signals within the sensor in an imaging system by making provisions internally within a sensor that allows the sensor to generate the timing signals which are then output to the system to control the image sens... | 06/25/1996 |
| 5504526 | Solid-state image sensing device with storage-diode potential controller A solid-state imaging device includes a substrate, and an array of charge-packet storage cells or picture elements (or "pixels") arranged on the substrate, each including a storage diode that stores therein a signal charge packet indicative of an incident... | 04/02/1996 |
| 5504527 | Image sensor with improved charge transfer inefficiency characteristics A CCD image sensor having a linear array of individual imaging photodetecting cells aligned along a scanning line for sensing light information and converting the light information to charge carriers. A CCD shift register, adjacent to the linear array of ... | 04/02/1996 |
| 5451768 | On-chip test circuit and method for an image sensor array A test system for a photosensitive array includes an on-board test circuit with a single input terminal, wherein the output of the test circuit directly affects the value of a bias charge placed on a selected photodiode. The test circuit enables a quick t... | 09/19/1995 |
| 5382978 | Method for driving two-dimensional CCD imaging device A method for driving a CCD solid state imaging device of a frame-interline type is disclosed. The CCD imaging device comprises a semiconductor substrate, an image section including a number of pixels arranged two-dimensionally and each having a radiation ... | 01/17/1995 |
| 5381177 | CCD delay line capable of automatic adjustment of an input bias voltage to charge transfer regions A CCD delay line comprises of first, second and third transfer regions which are formed in a semiconductor substrate. Output portions of the second and third transfer regions are connected to a differential amplifier. The output terminal of the differenti... | 01/10/1995 |
| 5343061 | Solid-state imaging device suppressing dark-current noise An FIT or IT solid-state imaging device comprising a p-type Si substrate in which n-type regions forming storage diode portions, signal read-out portions, n-type CCD channels, and p+ -type element isolating regions are formed, a solid-state ima... | 08/30/1994 |
| 5343059 | Method and apparatus for reducing blooming in output of a CCD image sensor A method and apparatus for reducing bloom in an output of a charge coupled device (CCD) image sensor is disclosed. The method includes the step of toggling at least two phases of said CCD after exposure of said CCD. The method and apparatus are particular... | 08/30/1994 |
| 5303053 | Charge coupled device for overcoming an output voltage difference between different shift registers A charge coupled device includes shift registers, a common transfer electrode, and a floating and diffusion layer. Clock pulses are applied to the common transfer electrode. In response to the clock pulses, the common transfer electrode outputs signal cha... | 04/12/1994 |