Patent application number | Description | Published |
20080259191 | Image Input Apparatus that Resolves Color Difference - A microcomputer outputs correction data. A shading correction circuit performs a shading correction to a digital image signal using the correction data outputted from the microcomputer. A YC processing circuit generates a video signal from the digital image signal having undergone the shading correction, performs processing such as a gamma correction to the generated video signal, and outputs the video signal having undergone the processing such as the gamma correction. | 10-23-2008 |
20080266159 | SOLID-STATE IMAGING DEVICE, AD CONVERTER, AND AD CONVERTING METHOD - The present invention provides a solid-state imaging device which can output a digital signal at a high speed without using a high-speed clock. The solid-state imaging device includes light receiving elements provided in an array and generating signal voltages based on light intensity of received light and AD converters each of which is provided in each of columns in the array. Each of the AD converters includes: a reference voltage generating unit ( | 10-30-2008 |
20080284882 | SOLID STATE IMAGING APPARATUS, METHOD FOR DRIVING THE SAME AND CAMERA USING THE SAME - A solid state imaging apparatus includes: a plurality of photoelectric conversion cells each including a plurality of photoelectric sections arranged in an array of at least two rows and two columns; a plurality of floating diffusion sections each being connected to each of ones of the photoelectric sections which are included in the same row of each said photoelectric conversion cell via each of a plurality of transfer transistors, and being shared by said ones of the photoelectric sections; a plurality of read-out lines each being selectively connected to at least two of the transfer transistors; and a plurality of pixel amplifier transistors each detecting and outputting the potential of each said the floating diffusion section. Charges of the photoelectric conversion sections each being connected to one of the read-out lines and being read out by the transfer transistors are read out by different floating diffusion sections. | 11-20-2008 |
20080291305 | SOLID STATE IMAGING DEVICE AND CAMERA - In a solid state imaging device having a wide dynamic range, a pixel includes a photodiode that generates a charge in accordance with an intensity of incident light, signal generation units that generate a first voltage level in accordance with an amount of charge generated by the photodiode in an exposure period T | 11-27-2008 |
20080301932 | Substrate Processing Apparatus and Mounter - The final-bonder ( | 12-11-2008 |
20090002538 | SOLID STATE IMAGING APPARATUS, METHOD FOR DRIVING THE SAME AND CAMERA USING THE SAME - A solid state imaging apparatus includes: a plurality of photoelectric conversion cells each including a plurality of photoelectric sections arranged in an array of at least two rows and two columns; a plurality of floating diffusion sections each being connected to each of ones of the photoelectric sections which are included in the same row of each said photoelectric conversion cell via each of a plurality of transfer transistors, and being shared by said ones of the photoelectric sections; a plurality of read-out lines each being selectively connected to at least two of the transfer transistors; and a plurality of pixel amplifier transistors each detecting and outputting the potential of each said the floating diffusion section. Charges of the photoelectric conversion sections each being connected to one of the read-out lines and being read out by the transfer transistors are read out by different floating diffusion sections. | 01-01-2009 |
20090021619 | Solid state image pickup device and camera using the same - A solid state image pickup device | 01-22-2009 |
20090033780 | SOLID STATE IMAGING DEVICE - An object of the present invention is to provide a two-dimensional solid state imaging device which can realize speeding up of signal output. The two-dimensional solid state imaging device includes: a pixel region; a first capacitance element and a second capacitance element each of which is arranged for a different column of pixels and accumulates pixel signals of the corresponding column of pixels; a first horizontal signal line and a second horizontal signal line each of which transmits the pixel signals accumulated in a corresponding capacitance element; a common signal line connected to the horizontal signal lines; a scan timing generation unit and a switch unit which control readout of the pixel signals from the capacitance element to the horizontal signal line; and an external output timing unit and a switch unit which select the horizontal signal line and control output of the pixel signals from the selected horizontal signal line to the common signal line. Here, the scan timing generation unit and the switch unit, and the external output timing unit and the switch unit control the readout and the output of the pixel signals, respectively, so that a time period required for the readout of the pixel signals from the capacitance element to the signal line is longer than a time period required for the output of the pixel signals from the signal line to the common signal line. | 02-05-2009 |
20090059047 | SOLID-STATE IMAGING DEVICE - Provided is a solid-state imaging device having pixel units that are two-dimensionally arranged, and including: a photodiode that generates an optical signal charge corresponding to an intensity and an exposure time of light; a MOS transistor that transfers the optical signal charge; an accumulating unit that generates a voltage corresponding to the signal charge through the MOS transistor; a storing unit that stores a voltage corresponding to an optical signal charge in the accumulating unit; and a voltage setting unit that sets a value of a voltage in the accumulating unit to a value corresponding to the voltage in the storing unit. | 03-05-2009 |
20090079857 | SOLID-STATE IMAGING DEVICE, RECEIVED-LIGHT INTENSITY MEASURING DEVICE, AND RECEIVED-LIGHT INTENSITY MEASURING METHOD - The received-light intensity measuring device includes: a pixel circuit | 03-26-2009 |
20090212985 | SOLID-STATE IMAGING DEVICE, SEMICONDUCTOR INTEGRATED CIRCUIT, AND SIGNAL PROCESSING METHOD - A solid-state imaging device includes: pixel circuits arranged in a matrix which perform photoelectric conversion on received light; and an AD conversion unit converting the resultant signal voltage of the photoelectric conversion. The AD conversion unit includes: a reference voltage generation unit generating plural reference voltages which are different from each other within a possible range for a signal voltage; a most significant bit conversion unit that identifies a voltage section including the signal voltage from among the voltage sections each having a corresponding one of the reference voltages as a base point and determines the identified result as the value of the most significant bit of the digital signal; and a least significant bit conversion unit that converts, into the least significant bit of the digital signal, the difference voltage between the signal voltage and the reference voltage as the base point of the identified voltage section. | 08-27-2009 |
20110109779 | SOLID-STATE IMAGING DEVICE, ITS PRODUCTION METHOD, CAMERA WITH THE SOLID-STATE IMAGING DEVICE, AND LIGHT RECEIVING CHIP - Provided is a light-receiving chip whose transparent protection plate has an area equal to or smaller than an area of the light-receiving chip, and which does not require a base portion for mounting. Provision of the light-receiving chip contributes to reduction in size and weight of cameras. In addition, provision of a solid-state imaging apparatus having excellent productivity contributes to reduction in price of cameras. A solid-state imaging apparatus ( | 05-12-2011 |
20110121162 | SOLID-STATE IMAGING DEVICE AND DIFFERENTIAL CIRCUIT - A solid-state imaging device that is configurable into a small size appropriate for expanding dynamic range includes: a photodiode which is a photoelectric conversion unit that generates charge by incident light; a MOS transistor which is connected to the photodiode and transfers the charge; a floating diffusion region which is a first accumulation unit which accumulates the charge via the MOS transistor; a MOS transistor which is a second transfer unit connected to the floating diffusion region and connected in series to the MOS transistor; and a MOS transistor which is an output unit which outputs, via the MOS transistor, a signal voltage in accordance with an amount of the charge. | 05-26-2011 |
20110158722 | CLEANING APPARATUS AND IMAGE FORMING APPARATUS - A cleaning apparatus is provided with a cleaning roller that is positioned so as to be in contact with a photosensitive drum, and with a toner layer thickness regulating member that regulates the thickness of a toner layer adhering to the surface of this cleaning roller. The toner layer thickness regulating member is formed by a toner layer thickness regulating roller that rotates in contact with the cleaning roller. | 06-30-2011 |
20120033117 | SOLID-STATE IMAGING DEVICE AND DRIVING METHOD - A plurality of pixel circuits arranged in rows and columns, and each of which outputs an electric signal according to an amount of received light; a first column signal line provided for each of the columns, and for sequentially transferring the electric signals from said pixel circuits in a corresponding column; and a holding circuit provided for each of the pixel circuits in each column, and which holds the electric signal transferred through the column signal line in the corresponding column are provided. A holding circuit includes a first capacitor which holds a first electric signal of the corresponding pixel circuit in a reset state; and a second capacitor which holds a second electric signal after the corresponding pixel circuit receives light. A difference circuit calculates a difference between two electric signals held by the first capacitor and the second capacitor in a same holding circuit. | 02-09-2012 |
20120098040 | SOLID STATE IMAGING APPARATUS, METHOD FOR DRIVING THE SAME AND CAMERA USING THE SAME - A solid state imaging apparatus includes: a plurality of photoelectric conversion cells each including a plurality of photoelectric sections arranged in an array of at least two rows and two columns; a plurality of floating diffusion sections each being connected to each of ones of the photoelectric sections which are included in the same row of each said photoelectric conversion cell via each of a plurality of transfer transistors, and being shared by said ones of the photoelectric sections; a plurality of read-out lines each being selectively connected to at least two of the transfer transistors; and a plurality of pixel amplifier transistors each detecting and outputting the potential of each said the floating diffusion section. Charges of the photoelectric conversion sections each being connected to one of the read-out lines and being read out by the transfer transistors are read out by different floating diffusion sections. | 04-26-2012 |
20130083227 | SOLID-STATE IMAGE CAPTURING ELEMENT AND METHOD FOR DRIVING SOLID-STATE IMAGE CAPTURING ELEMENT - A solid-state image capturing element includes: a plurality of pixels arranged in rows and columns, each of which outputs an electric signal corresponding to an amount of received light; a plurality of column signal lines each of which is disposed for a corresponding one of columns of the pixels and sequentially transfers the electric signal provided from the corresponding one of the columns of the pixels; and a plurality of holding circuits each of which is disposed for a corresponding one of the column signal lines and holds the electric signal transferred via the corresponding one of the column signal lines. Each of the holding circuits includes a circuit element including an input capacitance, and holds the electric signal in the input capacitance. | 04-04-2013 |
20130148000 | SOLID-STATE IMAGING DEVICE - The MOS solid-state imaging device includes: pixels arrayed two-dimensionally; first column signal lines; first holding circuit units each of which corresponds to one of the first column signal lines and holds electrical signals that are transmitted from the pixels through one of the first column signal lines; and first difference circuit units that each output a difference between one of the electrical signals in the reset state and one of the electrical signals in the light-received state that are held by one of the first holding circuit units, in which the first holding circuit units each include pixel-wise holding circuits, the number of which is identical to the number of the pixels provided for the corresponding one of the first column signal lines, the pixel-wise holding circuits being able to hold electrical signals in the reset state of the pixels and electrical signals in the light-received state of the pixels. | 06-13-2013 |
20130189009 | CLEANING DEVICE AND IMAGE FORMING APPARATUS - A cleaning device includes: a cleaning rotating body | 07-25-2013 |
20140023397 | CHARGE APPLYING MEMBER AND IMAGE FORMING APPARATUS WITH THE SAME - A charge applying member includes a conductive roller and a shaft. The conductive roller includes a first region in contact with a member to be charged and facing an image forming region of the member to be charged and a second region next to a longitudinal end of the first region and facing a region of the member to be charged outside the image forming region and is configured to apply a charge to the member to be charged. The shaft formed of a metallic material inserted into the conductive roller and configured to be given a voltage from a power supply. A region plated with a metal having a lower ionization tendency than the shaft is formed as a plated region on a surface portion of the shaft corresponding to the first and second regions and a non-plated region is formed on a surface portion of the shaft corresponding to the second region. | 01-23-2014 |
20140111676 | SOLID-STATE IMAGING DEVICE, METHOD FOR DRIVING SOLID-STATE IMAGING DEVICE, AND IMAGING DEVICE - A solid-state imaging device includes: a pixel unit in which a plurality of unit pixels is arranged in rows and columns, the unit pixels performing photoelectric conversion of incident light to generate pixel information; and a secondary memory unit in which a plurality of unit memories is arranged in rows and columns, the unit memories holding the pixel information, wherein each of the columns in the secondary memory unit includes, as a unit memory block, the unit memories in the column, the secondary memory unit includes: a memory signal line provided for each of the columns in the memory unit; and a selection transistor provided between the unit memory block and the memory signal line, and shared by the plurality of unit memories in the unit memory block. | 04-24-2014 |
20140294409 | IMAGE FORMING APPARATUS - An image forming apparatus has an image carrying body, a first electrically conductive member, a bias application device, and a controller. The first electrically conductive member makes contact with the photosensitive layer of the image carrying body The bias application device applies a bias containing an AC bias to the first electrically conductive member. The controller controls the bias application device. The image forming apparatus can execute, while no image formation is being performed, a temperature raising mode in which, with the first electrically conductive member in contact with the image carrying body outside the image formation region, an AC bias having a peak-to-peak value twice as high as the discharge start voltage between the first electrically conductive member and the image carrying body is applied to the first electrically conductive member to raise the temperature of the surface of the image carrying body. | 10-02-2014 |
20140294410 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearing member, a first conductive member, a bias application device, and a control portion, and performs image formation on a surface of the image bearing member while making the image bearing member rotate. The image forming apparatus is capable of executing a heating-up mode in which, at the time of non-image formation, in a state where the image bearing member is made to rotate at a velocity lower than that used at the time of image formation, an alternating current bias having a frequency higher than that used at the time of image formation and a peak-to-peak value twice or more as large as a discharge start voltage between the first conductive member and the image bearing member is applied to the first conductive member to cause a surface of the image bearing member to be heated up. | 10-02-2014 |
20140308053 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearing member, a conductive member, a bias application device, and a control portion. The image bearing member has a photosensitive layer formed on an outer peripheral surface thereof. The conductive member is disposed so as to make contact with an inner peripheral surface of the image bearing member and has a dielectric property. The bias application device applies a bias including an alternating current bias to the conductive member. The control portion controls the bias application device. The image forming apparatus is capable of executing a heating-up mode in which an alternating current bias having a peak-to-peak value twice or more as large as a discharge start voltage between the conductive member and the image bearing member is applied to the conductive member to cause the surface of the image bearing member to be heated up. | 10-16-2014 |