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Class 250/559.01 - With circuit for evaluating a web, strand, strip, or sheet


Subclass of Class 250 - Radiant energy
Definition: Subject matter wherein a photocell is responsive to light
No. of patents: 156
Last issue date: 05/22/2012


1        
NumberTitleIssue Date
8183548System for detecting one or more predetermined optically derivable characteristics of a sample
A field use optical grain characterising system (101) includes a generally rectangular prismatic composite body (102) that defines a component cavity (103). A substantially vertical elongate channel (104) extends within cavity (103...
05/22/2012
8120001Inspection method and apparatus, lithographic apparatus, lithographic processing cell and device manufacturing method
In a scatterometry apparatus having an illumination aperture stop, a field stop is provided at an intermediate image to control a spot size on a substrate. The field stop may be apodized, e.g., having a transmissivity in the form of a trapezium or a Gaussian shape.
02/21/2012
8120000Measuring apparatus having a movable measuring device in a press
A measuring apparatus for scanning moving, preferably sheet-like, printing materials in a printing material-processing machine, such as a press for processing sheet material. The apparatus has a measuring device which can be moved, at least in the transport directio...
02/21/2012
8071967Trolley wire wear measuring device using binary operated images
A trolley wire wear measuring device includes a processor configured to obtain a pair of line sensor images in which luminance signals of scanning lines are arranged; a differential processor configured to perform a differential process to create a line sensor image...
12/06/2011
7795604Device for measuring wear of trolley wire by image processing
The present invention provides a trolley wire wear measurement device by image processing in which a line sensor is arranged vertically and upward on a roof of an inspection car so that the line sensor looks up to a trolley wire and a lighting means that illuminates...
09/14/2010
7741629Apparatus for analysing surface properties with indirect illumination
An apparatus (1) for analysing surface properties, comprising a first radiation device (4) which emits radiation directly onto a surface (9) to be analyzed, a first illumination device (6, 7) for indirectly illuminating the surface (9
06/22/2010
7435947Apparatus and methods for integrating encoding functions in material placement machines
A method of providing input to an inspection system for inspecting material laid by a composite material placement machine. A placement machine component that drives a first encoder output is used to drive a second encoder output. The second encoder output is used t...
10/14/2008
7427768Apparatus, unit and method for testing image sensor packages
The present invention relates to an apparatus, unit and method for testing image sensor packages, which can automatically test whether the image sensor packages are defective before they are assembled into camera modules. An apparatus for testing image sensor packag...
09/23/2008
7425719Method and apparatus for selectively providing data from a test head to a processor
An optical test head comprises one or more detectors for providing output signals indicative of the condition of a workpiece surface. Data from these detectors are stored in one or more memories only when the data from the detectors satisfy one or more conditions (e...
09/16/2008
7376251Electronic image evaluating device and evalution method
An electronic image evaluating device includes at least one area sensor that is provided with a plurality of photosensitive pixels. Each of these pixels will emit an electric output signal in response to the light input signal that it receives. The intensity of the ...
05/20/2008
7334520Printing press and device for the inline monitoring of printing quality in sheet-fed offset printing presses
A printing press for processing sheet printing materials includes at least one printing unit, a computer and a measuring device for monitoring printing quality during a printing process. The measuring device has a sensing device for measuring by color or spectrally ...
02/26/2008
7317198Method for determining the scale of an observation area
The invention relates to a method in the control of the quality or the condition of a fibre web (21) on the basis of optical imaging diagnostics, wherein the fibre web (21) under examination and/or means (22, 23) relating to the processing of th...
01/08/2008
7313067Recording-medium identification device and method using light sensor to detect recording medium type
A recording-medium identification device has a light-emitting element for applying light on the recording medium and a detection element for detecting diffusely reflected light reflected in a backward direction, that is, a direction opposite to the direction in whic...
12/25/2007
7301164Measuring apparatus
A measuring apparatus is provided having an illumination unit including a source of electromagnetic radiation, fiber optic apparatus and sensing apparatus. The fiber optic apparatus includes first fiber optic structure having an input end for receiving at least a po...
11/27/2007
7291856Sensor and methods for measuring select components in moving sheet products
A compact, long lasting sensor for measuring components such as moisture in moving sheets including paper in a papermaking apparatus employs light sources that produce radiation within defined wavelength regions of interest and the light sources are modulated at hig...
11/06/2007
7278704Image forming apparatus
An image forming apparatus having an image forming part that forms an image on a recording medium measures, downstream of the image forming part in a transport path of the recording medium, speckles on the recording medium, and generates measured speckle data that r...
10/09/2007
7272972Method and apparatus for measuring a thickness of a thin film in motion
An apparatus for monitoring a thickness of a film in motion. The apparatus comprises a roller for receiving and supporting the film in motion, the roller being adapted to rotate about an axis of rotation. The apparatus also comprises a position detector for detectin...
09/25/2007
7262878System and method for calibrating an imaging system during imaging
An imaging system is disclosed for imaging recording media. The imaging system includes an input opening through which recording media may be input to the imaging system, and an imaging unit for imaging the recording media that is received through the input opening....
08/28/2007
7255908Magnetic tape
A magnetic tape (1) characterized by having a backcoating layer (5) which comprises a binder and fine particles having been dispersed in the binder and being capable of irreversibly changing in color on oxidation reaction, and has a sufficient number o...
08/14/2007
7256884Particle detecting system and method of detecting particles using the same
There is provided a particle detector system and to detect particles on target including reticle and pellicle. The system includes a light transmitting device adapted to transmit light beam to a target through an electrowetting microlens, a light receiving device ad...
08/14/2007
7250871Particulate detector
An apparatus and method are provided for detecting presence in gas of transient particulate above its normal zero or acceptable level within a duct (4), said apparatus comprising at least one emitter (2) of illumination selected from infra-red, ultravi...
07/31/2007
7182207System and process for break detection in porous elements for screening or filtering
A detector for breaks in screens and filters employed in material separators includes a transmitter of RF signals and a receiver of RF signals located to either side of a screen. The separator includes a chamber having a barrier to RF signals with a path through the...
02/27/2007
7167580Image quality assurance systems and methodologies for improving the identification of and access speed to image quality suspects in documents
An image quality assurance method for identifying image defects in a plurality of imaged documents, where each imaged document includes at least one image rendition. The image renditions are analyzed to provide selected image metrics, the latter of which are compare...
01/23/2007
7155356Quality and condition monitoring based on spectrum separating measurement
A method of controlling the quality and/or condition of a fibre web in a process for manufacturing and/or finishing the fibre web, which includes, monitoring the fibre web with at least one optical spectrum separating measurement device, determining a quality variab...
12/26/2006
7147166Substrate transfer apparatus, semiconductor manufacturing apparatus, and semiconductor device manufacturing method
A bar code containing information about a reticle (transparent substrate) is marked on the reticle at a portion vertically overlapping a transfer hand when the reticle held by the transfer hand is transferred. A reflecting portion is formed on the transfer hand at a...
12/12/2006
7106458Device for detecting edges of sheet-shaped materials
A device for detecting edges of sheet-shaped print materials (1), especially of transparencies, that are moved along a transport path through a sheet-processing machine has a beam transmitter (31) and a beam receiver (32), whereby beam transmitt...
09/12/2006
7101461Method and apparatus for imaging a paper web
A system and process for measuring paper formation characteristics in real time is disclosed. The system comprises apparatus used in a papermaking process, and includes a rotating forming fabric having an upper and lower surface. A paper slurry is deposited upon the...
09/05/2006
7084981Method for determining the paper quality for halftone printing
The invention relates to a method for determining the paper quality for halftone printing, according to which a finely distributed pattern of geometric figures is applied to the paper, said paper is then illuminated and the light that is reflected and scattered by t...
08/01/2006
7057157Photosensor device and disk inspection apparatus using it
A photosensor device is provided which includes a light-applying fiber to apply an inspection light to a subject to be inspected; a light-receiving fiber to receive a reflected light from the subject to be inspected; a laser beam source to emit the inspection light ...
06/06/2006
7030400Real-time web inspection method and apparatus using combined reflected and transmitted light images
An apparatus and method for web inspection utilize simultaneous capturing of reflected and transmitted light images for real-time merging of same. The reflected light and transmitted light image capturing systems are registered with each other in terms of the down-w...
04/18/2006
7005661Optical object identification apparatus, and printing apparatus and object classification apparatus using same
An optical object identification apparatus has a light emitting-side optical system (23), a light receiving-side optical system (26), and a signal processing section (29). The light emitting-side optical system (23) irradiates light from ...
02/28/2006
7004421Inspection device of winding appearance of tape and improvement processing method for the same
To provide a winding appearance inspection device of a tape capable of gathering a line speed in an inspection process, as well as capable of inspecting a winding appearance of the tape wound on a roll body core, even in a reel having a flange formed in a roll body ...
02/28/2006
7001485Arrangement for measuring properties of a moving paper web
An arrangement for measuring properties of a moving paper web. The arrangement comprises measuring means for measuring paper properties, in connection with which a plane-like support surface is arranged. The plane-like support surface supports the paper web and exte...
02/21/2006
7003149Method and device for optically monitoring fabrication processes of finely structured surfaces in a semiconductor production
A method for monitoring fabrication processes of finely structured surfaces in a semiconductor fabrication includes the steps of providing reference signatures of finely structured surfaces, measuring at least one signature of a test specimen surface, comparing the ...
02/21/2006
6997325System and process for break detection in porous elements for screening or filtering
A detector for breaks in screens and filters employed in material separators includes a transmitter of RF signals and a receiver of RF signals located to either side of a screen. The separator includes a chamber having a barrier to RF signals with a path through the...
02/14/2006
6998628Method of media type differentiation in an imaging apparatus
A method of media type differentiation includes the steps of providing a media sensor including a specular detector that provides a specular signal output having a signal level related to an amount of the reflected specular light received; providing a highly reflect...
02/14/2006
6994432Early transparency detection routine for inkjet printing
A system of classifying incoming media entering an inkjet printing mechanism identifies transparency media without requiring any special manufacturer markings. The media is first optically scanned using a blue-violet light at an initial intensity to obtain both diff...
02/07/2006
6996043Optical head apparatus
Preceding to the reading out of the recording information of the optical disk by the pick-up, the height of the foreign material existing at the light converging position on the information reading surface is detected by the detector, and when the height of the fore...
02/07/2006
6992802Height adjustment structure
A height adjustment structure for an image-scanning device. The scanning device has a guiding rod, an optical system and a document panel. The guiding rod and the document panel are fixed relative to each other. The optical system includes a box body and an axial ro...
01/31/2006
6950777Method and system for assessing pulp and paper mill performance
A system and method is provided for analyzing data obtained during manufacture of a web of paper or paperboard on a machine. The system comprises a computer including a database module, a statistical analysis module, and a processor for executing the modules. The da...
09/27/2005
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