Arnold & Richter Cine Technik GmbH & Co. Betriebs KG Patent applications |
Patent application number | Title | Published |
20140340546 | PIXEL CORRECTION METHOD - In a method for correcting defective pixels of an image sensor which has a plurality of pixels for generating respective exposure dependent pixel signals, a defect characteristic for each pixel is associated with the image sensor and comprises information at least on whether the pixel is unusable, is usable without limitations or corresponds to one of a plurality of predefined defect classes. The method comprises a determination being made after the generation of the pixel signals for each pixel, at least when the defect characteristic of the pixel does not correspond to an unusable pixel or to a pixel which can be used without limitations, in dependence on at least the associated defect class of the pixel and on pixel signals of a plurality of adjacent pixels, whether the generated pixel signal of the pixel should be corrected, with the generated pixel signal of the pixel being replaced with a replacement value if this is the case. | 11-20-2014 |
20140327742 | STEREOSCOPIC MICROSCOPE - An electronic stereoscopic microscope for detecting and reproducing pairs of stereoscopic part images comprises a camera unit having at least one electronic image sensor, a dog-leg objective for generating an image of an object on the image sensor, wherein the objective comprises a first leg facing the object to be imaged, a second leg facing the image sensor and including an angle with the first leg and deflection means provided between the legs, wherein the first leg extends along an imaging axis and the second leg extends along a detection axis. The microscope furthermore comprises an electronic viewfinder for reproducing stereoscopic part images detected by means of the image sensor, with the electronic viewfinder being arranged in an observation position or being movable into an observation position which is provided at a rear side of the objective in an extension of the imaging axis. | 11-06-2014 |
20140240515 | MOTION PICTURE CAMERA AND METHOD FOR TAKING A SEQUENCE OF MOVING IMAGES - A digital motion picture camera for taking a sequence of moving images comprises a rotating mirror sector shutter which alternately transmits a received optical path of the motion picture camera as a first imaging optical path and deflects the received optical path as a second imaging optical path; a first image sensor arranged in the first imaging optical path for generating radiation-dependent first image signals; and a second image sensor arranged in the second imaging optical path for producing radiation-dependent second image signals. | 08-28-2014 |
20140126044 | CAMERA OBJECTIVE AND CAMERA SYSTEM - A camera objective for a camera includes a mask having a plurality of masking sections which are permeable for radiation of a first spectral range and are impermeable for radiation of a second spectral range different from the first spectral range. A camera system includes a digital camera for taking images. The camera system includes such a camera objective and an optoelectronic sensor arrangement having a plurality of sensor elements for generating exposure-dependent received signals which form a respective image. The plurality of sensor elements includes a first group of sensor elements for generating received signals in dependence only on radiation of the first spectral range and a second group of sensor elements for generating received signals in dependence on radiation of the second spectral range. | 05-08-2014 |
20140063278 | REMOTE CONTROL UNIT FOR AN OBJECTIVE AND FOR A CAMERA - A remote control unit for an objective and a camera comprises a base part, an operating element movable relative to the base part, an evaluation and control unit for generating a control signal in accordance with the position of the operating element and an output device for outputting the control signal to an associated camera. The evaluation and control device is adapted to control a feedback device of the control unit in dependence on the position of the operating element to generate at least one feedback signal perceivable by a user. | 03-06-2014 |
20130270408 | HOLDING APPARATUS - A holding apparatus for fastening camera accessory parts to a camera system can be fastened to support tubes of the camera system. The holding apparatus comprises a bridge part which has two pairs of openings for receiving support tubes, with the openings of the one pair differing from the openings of the other pair at least with respect to their spacing; at least one pair of clamping elements which are provided at the bridge part and are movable at least between a clamping position and a release position, with the clamping elements locking support tubes received in the openings at the bridge part in the clamping position of said clamping elements; and an actuation device which is configured to move the clamping elements together. The clamping elements have different clamping sections which are configured to lock support tubes of different diameter and/or different spacing at the bridge part. | 10-17-2013 |
20130182137 | CONTROL UNIT - A control unit for generating a control signal comprises a base part, a control element rotatable about an axis of rotation relative to the base part, a position encoder for detecting an angular position or a change in angular position of the control element relative to the base part, a control device which is adapted generate the control signal in dependence on the detected angular position or change in angular position of the control element and an electronic display device, wherein the control device is adapted to control the electronic display device to show at least one symbol arrangement. The control unit is characterized in that the electronic display device has the shape of a cylinder or of a cylinder sector whose axis coincides with the axis of rotation of the control element or extends in parallel thereto. | 07-18-2013 |
20130146749 | IMAGE SENSOR AND METHOD OF READING OUT AN IMAGE SENSOR - An image sensor, in particular a CMOS image sensor, for electronic cameras includes a plurality of light-sensitive pixels arranged in rows and columns for generating exposure-dependent pixel signals. A plurality of column lines, at least one precharge circuit for charging or discharging the column lines and at least one column readout circuit for reading out the pixel signals of the respective column are associated with a respective column. The image sensor has at least one switching device which is adapted to couple, in a first switch state, one of the column lines of a respective column to the precharge circuit and another one of the column lines of the respective column to the column readout circuit. | 06-13-2013 |
20120292484 | IMAGE SENSOR - An image sensor for electronic cameras includes a plurality of light-sensitive pixels arranged in rows and columns for generating exposure-dependent pixel signals in an image field. Each pixel includes at least one light-sensitive element to generate electric charge from incident light and a converter transistor to convert a charge into a voltage signal. The pixels form a plurality of pixel groups with at least one common read-out circuit being associated with each pixel group are coupled to the output of the associated converter transistor. An amplifier circuit amplifies the voltage signals from each converter transistor. | 11-22-2012 |
20120154603 | IMAGE RECORDING SYSTEM AND METHOD OF CALIBRATING, COMPRESSING AND DECOMPRESSING IMAGE SIGNAL VALUES - A method of calibrating, compressing and decompressing image signal values of an image sensor which has a plurality of light sensitive pixels arranged in rows and columns comprises the steps of: reading out the image signal values; compressing the image signal values; and decompressing the compressed image signal values, wherein the image signal values are calibrated while using calibration data sets which include a number of calibration values for each pixel. The method is characterized in that each calibration data set includes at least one first calibration value and at least one second calibration value, wherein the calibration of the image signal values includes a first calculation step which is carried out by the compression of the image signal values in order to calculate partly corrected image signal values while using the at least one first calibration value, and wherein the calibration of the image signal values includes a second calculation step which is carried out after decompressing the image signal values in order to calculate fully corrected image signal values while using the at least one second calibration value. An image recording system uses a corresponding method. | 06-21-2012 |
20120127354 | IMAGE SENSOR - An image sensor for electronic cameras includes a plurality of light sensitive pixels arranged in rows and columns for generating exposure proportional signals, wherein the pixels of a respective column are coupled to at least one respective column read-out circuit via at least one respective column line, and wherein the respective column read-out circuit includes at least two column amplifiers which are connected in parallel, and includes a control device for controlling a read-out process of an image, wherein the read-out process for the respective pixel includes at least one read-out cycle. The gain factor of at least one of the two column amplifiers of the respective column read-out circuit is adjustable. | 05-24-2012 |
20120119065 | IMAGE SENSOR - An image sensor for electronic cameras has an image field having at least one image field block which includes a plurality of light sensitive pixels arranged in rows and columns for generating exposure dependent pixel signals, wherein the pixel signals of the pixels of the respective column of the respective image field block can be read out via one or more respective column lines extending parallel to one another. The image sensor has at least one first row of column amplifiers and at least one second row of column amplifiers for the respective image field block. The image sensor is adapted to read out the pixel signals of the pixels of the respective column of the respective image field block of an image or of two mutually following images partly via the at least one first row and partly via the at least one second row of column amplifiers ( | 05-17-2012 |
20120070095 | METHOD OF COMPRESSING IMAGE DATA - In a method of compressing image data which include a plurality of pixel values which are associated with a respective pixel, the pixel values are coded for at least some pixels in accordance with the following steps:
| 03-22-2012 |
20120062773 | IMAGE SENSOR AND METHOD OF READING OUT AN IMAGE SENSOR - An image sensor for electronic cameras includes a plurality of pixels arranged in rows and columns, wherein at least one common column is associated with a plurality of pixels of a column. Each pixel includes a light-sensitive detector element to produce an electric charge from incident light, a selection device to connect the detector element directly or indirectly to the associated column line and at least one switching device. The image sensor furthermore has a control device for controlling the selection device and the at least one switching device of the respective pixel. The control device is designed such that the selection device of a first pixel is activated within a time period in which the at least one switching device is activated in a second pixel with which the same column line is associated. | 03-15-2012 |
20110279722 | IMAGE SENSOR - The invention relates to an image sensor, in particular to a CMOS image sensor, for digital cameras, having a plurality of pixels arranged in rows and columns, wherein the respective pixel comprises: a light sensitive detector element to generate electrical charge from incident light during an exposure procedure, a readout node, a transfer gate to which a transfer control pulse can be applied to allow a charge transfer from the detector element to the readout node, and a reset device to reset a charge present in the readout node to a reference value. The image sensor furthermore has a control device for the control of the transfer gate and of the of the reset device of the respective pixel. The control device is designed so that the respective pixel is read out in a plurality of readout steps during the ongoing charge generation in a single exposure procedure, and indeed such that a respective transfer control pulse is applied to the transfer gate for each of the plurality of readout steps and a respective readout result is then produced; wherein the reset device is activated between the transfer control pulses of the respective exposure procedure; and wherein only the last transfer control pulse enables a complete charge transfer of the respective charge present in the detector element to the readout node. | 11-17-2011 |
20110273587 | DIGITAL CAMERA AND METHOD FOR MONITORING A SIGNAL PROCESSING DEVICE - A digital camera includes an image sensor for producing analog image signals; an analog/digital converter for converting the image signals into digital raw data; and a signal processing unit for producing processed data from the raw data, wherein the signal processing device has a signal output. The camera has at least one first buffer memory for buffering at least some of the digital raw data and an evaluation device which is made to compare raw data stored in the first buffer memory with the processed data. | 11-10-2011 |
20110242375 | IMAGE SENSOR AND OPERATING METHOD - The present invention relates to an image sensor, in particular a CMOS image sensor, for electronic cameras, having a plurality of light-sensitive pixels arranged in rows and columns, wherein all or at least some of the pixels of a column are connected to a respective common column line, and wherein the image sensor has a signal preprocessing device for one or more of the column lines to process a exposure signals generated by the pixels which can be applied to the respective column line. The image sensor is made selectively to apply one of at least two test input signals to the column lines. | 10-06-2011 |
20110242331 | DIAGNOSIS UNIT FOR AN ELECTRONIC CAMERA AND CAMERA SYSTEM - A diagnosis unit for an electronic camera comprises a housing and a coupling device for coupling the diagnosis unit to an objective connection of a camera or to a camera objective, wherein the coupling device surrounds a light exit opening of the housing. The diagnosis unit further comprises at least one light source arranged in the housing for outputting a diagnosis illumination through the light exit opening, and an interface for electrically connecting the diagnosis unit to a camera. A camera system comprises a diagnosis unit and an electronic camera having an image sensor. | 10-06-2011 |
20110101204 | IMAGE SENSOR - The invention relates to an image sensor, in particular to a CMOS sensor, having a plurality of light sensitive pixels arranged in rows and columns for the generation of output signals proportional to the exposure, wherein column lines are associated with the columns to supply the output signals to at least one column amplifier for amplification, wherein the at least one column amplifier cooperates with the column lines such that the amplification of the respective output signal depends on the capacitance of the respective column line. | 05-05-2011 |
20100271504 | DIGITAL CAMERA WITH OVERSCAN SENSOR - An electronic motion picture camera for recording a sequence of images includes a sensor device having a two-dimensional arrangement of sensor elements that generate electrical signals in dependence on an exposure to light. A first group of the sensor elements forms a recording region of the sensor device and generates recording signals, and a second group of the sensor elements forms a monitoring region of the sensor device and generates monitoring signals, wherein the monitoring region surrounds the recording region. A memory device stores the recording signals, but not the monitoring signals. A display device displays the recording signals, the monitoring signals and a frame signal representing a border between the recording region and the monitoring region of the sensor device, and the border between the recording region and the monitoring region is kept fixed during the recording of the sequence of images. | 10-28-2010 |
20100177227 | IMAGE SENSOR - The invention relates to an image sensor for electronic cameras, comprising a plurality of light-sensitive pixels for the generation of signals proportional to exposure and at least one read-out circuit coupled to the pixels and having a first section and a second section disposed downstream of the first section in a signal read-out direction, wherein the first section and the second section of the read-out circuit are each connected to at least one bond pad provided for the supply of an operating voltage and/or to at least one bond pad provided for the supply of a reference potential. At least some of the bond pads provided for the supply of the operating voltage and/or of the reference potential to the read-out circuit are arranged between the first section and the second sections of the read-out circuit. | 07-15-2010 |
20100177225 | IMAGE SENSOR - The invention relates to an image sensor for electronic cameras, having a plurality of light-sensitive pixels for the generation of at least one signal proportional to exposure, wherein the pixels are coupled to a read-out circuit having at least one amplifier and configured to amplify the at least one signal of a respective pixel with different amplification factors to generate differently amplified signals for the at least one signal of a respective pixel, wherein the read-out circuit has at least one output to output at least some of the differently amplified signals as output signals. At least three different amplification factors can be selected for the at least one signal of a respective pixel, wherein the read-out circuit includes a selection device which is configured to select those amplification factors in dependence on the level of the at least one signal of a respective pixel with which the output signals of the read-out circuit are amplified, wherein the number of output signals for the at least one signal of a respective pixel amounts to at least two and is less than the number of the selectable amplification factors. | 07-15-2010 |
20100110251 | IMAGE SENSOR - The invention relates to an image sensor, in particular to a CMOS image sensor, for electronic cameras, having a plurality of light-sensitive pixels arranged in rows and columns, wherein the pixels of a respective column are divided into a first pixel group and a second pixel group, wherein, in each column, the pixels of the respective first pixel group are coupled to a common first column amplifier via a common first column line and the pixels of the respective pixel group are coupled to a common second column amplifier via a common second column line. The division of the pixels into the first pixel group and second pixel group is different for different columns. | 05-06-2010 |
20090146196 | IMAGE SENSOR - An image sensor, in particular a CMOS image sensor, for electronic cameras having a plurality of light-sensitive pixels which are arranged in rows and columns and whose signals are conducted via a plurality of column lines to column amplifiers, with a column amplifier being associated with each column line. At least one further column amplifier which is simultaneously also associated with at least one other column line is associated with the respective column line. A switching device switches the respective column line selectively to one of the associated column amplifiers. | 06-11-2009 |
20090096891 | APPARATUS FOR THE RECORDING OF IMAGE DATA AND META DATA - The invention relates to an apparatus for the recording of image data and meta data which contain information on the image data—such as recording parameters—with a digital camera which includes at least one image sensor for the generation of the image data and with meta data image generation means by which the meta data can be recorded in the form of image information detectable by the human eye so that the image data and the meta data can be generated as common image information, with the meta data image generation means including display means for the visual presentation of meta data, in particular a display, and/or data processing means for the electronic generation of the meta data inside the image data, in particular a controller. | 04-16-2009 |
20080309809 | IMAGE SENSOR AND READOUT METHOD - The invention relates to an image sensor, in particular a CMOS image sensor, for electronic cameras, having a plurality of light sensitive pixels arranged in rows and columns and a number of output amplifiers. The image sensor is made such that the order in which the pixels are switched to the output amplifiers is varied with respect to the order in which the pixels are arranged along a row of the image sensor. | 12-18-2008 |
20080303927 | DIGITAL MOTION PICTURE CAMERA WITH TWO IMAGE SENSORS - The invention relates to a digital camera, in particular to a digital motion picture camera, for the taking of images, having a first sensor, a second sensor and a beam splitter to direct received light onto the first sensor and onto the second sensor, said sensors each including a plurality of sensor elements for the generation of exposure-dependent received signal values, with the sensor elements of the first sensor being associated with the sensor elements of the second sensor such that the mutually associated sensor elements detect the same image regions. An evaluation and control device compares the received signal value of at least some of the sensor elements of the first sensor or of the second sensor with a respective threshold value. The evaluation and control device selects either the received signal value of the sensor element of the first sensor or the received signal value of the associated sensor element or of the plurality of associated sensor elements of the second sensor for the generation of a respective output value in dependence on the result of the respective comparison. | 12-11-2008 |
20080284899 | Method for Focusing the Shooting Lens of a Motion Picture or Video Camera - A method for focusing the shooting lens of a motion picture or video camera onto a moving or stationary object, which is imaged on a monitor of a display instrument is provided. The solution according to the invention uses a distance measurement instrument which is aligned or tracked in relation to a predetermined alignment of the distance measurement instrument at the object as a function of the image angle of an imaging lens of the display instrument and the coordinates of the image of the object on the monitor of the display instrument. The horizontal and vertical angle deviations of the object from the camera are calculated from the coordinates of the image of the object on the monitor and delivered as setpoint values to the control instrument of an adjustment instrument holding the distance measurement instrument for aligning or tracking a measurement head of the distance measurement instrument. | 11-20-2008 |