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7557976 |
Light scanning apparatus and method to prevent damage to an oscillation mirror, reducing its amplitude, in an abnormal control condition via a detection signal outputted to a controller even though the source still emits light
A light scanning apparatus includes a deflector having an oscillation mirror that oscillates about an axis that is orthogonal to a main scanning direction. A detector detects a scanning light beam...
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7538315 |
Image forming apparatus and control method therefor
This invention makes it possible to prevent any uneven density and degradation in resolution in reciprocal laser scanning using a movable mirror. An image forming apparatus forms an image on a...
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7528364 |
Optical beam steering and sampling apparatus and method
In a light (optical) beam steering/sampling system, a matrix inversion control technique is used to decouple the operation of the actuators which drive the steering mirrors. The control technique...
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7522318 |
Scanner optical module
A scanner optical module has a single transmission axle used to support a scanning module (containing a traditional optical device or CIS). The scanning module has a plurality of protrusions (or...
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7511869 |
Optical scanning device
An optical scanning device includes a beam generating unit configured to generate a beam of light, a scanning unit with a plurality of scanning planes configured to deflect the beam of light...
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7487069 |
Method for generating a control output for a position control loop
A method for optically detecting the position of a moveable test object ( 10 ), especially a mirror or reflector, in which a measuring beam ( 6 ) produced by a light source ( 2 ) is reflected by...
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7476846 |
Radar device and MEMS mirror device therefor
A radar device includes a light projecting part that generates laser light, a light projecting lens that converges the generated laser light to form a beam, a reflective mirror for reflecting the...
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7460250 |
Laser triangulation system
A method for measuring the range to multiple points on a surface by projecting a line of light onto the surface, imaging said line of light onto a photodetector, computing the centroid of said line...
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7433448 |
Method for the production of a corrected x-ray image data set
In a method for correcting pixels of an x-ray image data set, an x-ray exposure of a subject is acquired with an x-ray device that uses a storage film having a luminescent storage material layer...
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7421308 |
Digital control servo system
A limited rotation motor optical scanning system is disclosed that includes a limited rotation motor scanner, a digital controller servo system, a position feedback unit, a wide angle compensation...
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7414239 |
Optical-scanning apparatus and image forming apparatus
An optical-scanning apparatus is disclosed. In at least one embodiment, the optical-scanning apparatus includes a light deflector to deflect a beam from a light source; and an optical housing...
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7392287 |
Method and apparatus for sharing information using a handheld device
A method and apparatus for sending information to a data processing apparatus for identifying a document to share with a recipient. A handheld device is capable of communicating with the data...
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7348549 |
Light scanning apparatus
Provided is a light scanning apparatus, including a light source, a light source controller to control an on/off operation of the light source, a light deflector deflecting light emitted from the...
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7345271 |
Optoelectric sensing device with common deflection device
The invention relates to an optoelectronic detection device, especially a laser scanner, comprising a transmitting device for transmitting preferably pulsed electromagnetic radiation, also...
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7339713 |
Optical beam scanner, image forming device, and optical beam scanning method
An optical beam scanner includes a driving unit rotating a rotary polygon mirror that deflects and scans an optical beam; a rotation position detection unit; a rotation control unit controlling the...
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7319515 |
Rotary laser apparatus
A rotary laser apparatus includes a light-projection section configured to irradiate at least two fan-shaped beams extending in a fan-shaped form in a direction orthogonal to a rotary axis. The...
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7312920 |
Confocal microscope
A confocal microscope including a first condenser optical system that condenses light from a light source onto a sample; a pinhole member having a pinhole; a second condenser optical system that...
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7294826 |
Bio-sensing apparatus
A multi-channel sensor is provided with sensor sections, each of the sensor sections reflecting or transmitting light, whose physical characteristics vary for different kinds of samples. Each of...
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7294824 |
Light beam scanning device, image forming apparatus, and light beam scanning method
A light beam scanning device is disclosed that includes a light emission source to emit a light beam, a deflection part to deflect the emitted light beam in the main scanning direction, first and...
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7271383 |
Scanning system with feedback for a MEMS oscillating scanner
A scanning system for a printer or scanner that has a beam source that produces a light beam at a point of origin and has a scanning mirror that sweeps the light beam from a position “A” to a...
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7180640 |
Monolithic micro scanning device
A monolithic micro scanning device comprising multiple substrates; source of light for generating a light beam disposed on one of said substrates; and micro mirror disposed on one of said...
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7138622 |
Method and apparatus for monitoring light beams
An apparatus and method for monitoring light beams comprising a reflector for passing at least partially through the beam to reflect a sample of the beam and at least one sensor arranged to receive...
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7105804 |
Light beam scanning unit and image forming apparatus
The temperature difference between an internal temperature and an external temperature which are detected by an internal temperature sensor and an external temperature sensor, respectively, is...
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7079297 |
Optical scan device, image position calibration method, and image display device
An optical scanning device, a correction method of the position of an image, an image display method, and an image display device able to improve a light projection efficiency and lower the...
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7067790 |
Photodetector for weak light having charge reset means
The present invention provides a photodetector for weak light that can release charge from the circuit without increasing capacity; the present invention being characterized by a photodetector for...
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7045774 |
Wide field of view, four-telescope, radial scanning search and acquisition sensor
A wide field of view imaging system ( 100 ). The novel system ( 100 ) includes a rotating mirror ( 18 ) having two reflective surfaces each surface, respectively, reflecting light from a scene to...
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7041962 |
Laser scanning apparatus
The invention relates to a laser scanning apparatus, in particular for distance determination, comprising a transmission unit which has a pulsed laser for the transmission of a light beam into a...
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7038194 |
Multiple-beam scanning device and image forming apparatus including the multiple-beam scanning device
A multiple-beam scanning device of the present invention includes a light source unit provided with a plurality of light sources. A deflector deflects, in the main scanning direction, light beams...
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6965105 |
Scanning system and method for scanning a plurality of samples
A system for detecting fluorescence emitted from a plurality of samples in a sample tray is provided. The system generally includes a plurality of lenses positioned in a linear arrangement, a...
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6963428 |
Method and system for calibrating a look-down linear array scanner utilizing a folded optical path
A system and method are disclosed which provide a look-down digital imaging device capable of scanning a calibration area included within such look-down digital imaging device to capture image data...
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6958471 |
Method and apparatus for forming image
A movable light beam is controlled and set within a tolerable range of a beam position A by using a galvano-mirror, and then a circuit offset relating to the beam position A is measured. With the...
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6952010 |
Optical system and method for switching sensor channels while simultaneously viewing a scene in a different wavelength range
An optical system for receiving an incoming beam of electromagnetic radiation, for dividing it into a transmitted beam, containing a part of the wavelength band of the incoming beam, and a...
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6946651 |
Method and apparatus for water purification
An apparatus for disinfecting a fluid includes a tube connected with a source of the fluid. The tube allows the fluid to be transported from the source to a discharge. An ultraviolet lamp is...
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6891979 |
Pocket scanners
A method and system is disclosed for facilitating the input of information into a computing device by a scanning means. A pocket scanner that has only the minimum components/parts therein and will...
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6888951 |
Methods and apparatus for analyzing operational and analyte data acquired from optical disc
Methods and apparatus for analyzing nonoperational data acquired from optical discs, and in particular, trackable optical discs having concurrently readable nonoperational structures are provided....
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6870631 |
Profiling of a component having reduced sensitivity to anomalous off-axis reflections
A system and method for measuring the profile of an external surface of a part is provided. The system includes a source of light that directs light onto a region of the external surface of the...
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6856919 |
Device with at least one laser sensor and method of operating a laser sensor
A device for a motor vehicle includes at least one laser sensor. The laser sensor includes a device configured to sweep a scanning area with at least one laser beam emitted by the laser sensor and...
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6855923 |
Scanning a beam of light in a digital image recorder
In one embodiment, an apparatus for scanning a beam of light in a digital image recorder includes a curved writing surface translating in at least one direction relative to a stationary frame, a...
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6825457 |
Two-dimensional beam writing position detecting device and image forming apparatus using the detecting device
A two-dimensional beam writing position detecting device for providing an optical system for scanning on a photoconductor by laser beams emitted from a semiconductor laser to form an electrostatic...
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6815663 |
Apparatus for optical scanning along with measurement of optical characteristics within scanning region
A scanning type optical device comprises one optical characteristics measuring unit per color. Each optical characteristics measuring unit further includes three units. The first unit is provided...
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6740869 |
Light beam scanning device for micro-area light source
Microarea light-emitting diodes, which have no variation in light output power the like due to mode-hopping, are used and changes in properties such as light output and the like due to generated...
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6703603 |
Controller for optical scanner
A controller for an optical scanner includes a mirror angle detecting unit for detecting an angle of a mirror, a rotation shaft angle detecting unit for detecting an angle of the shaft, a current...
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6697175 |
Image reading apparatus and scanner using photoelectric conversion unit with limited pixel count to read images with high resolution and method thereof
To read an image with high resolution via a CCD linear sensor having a limited pixel count, an image reading apparatus includes: a CCD linear sensor having arranged in a main-scanning direction...
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6687028 |
Image exposure apparatus
An image exposing apparatus for exposing an image onto a light sensitive material, is provided with a plurality of light beam emitting element arrays, each light beam emitting element array...
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6654149 |
Floating light source module for film scanners
The separation between the light source module for a film scanner and the protection window for pressing against the film document is minimized to increase light intensity by inserting low friction...
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6635864 |
Measurement and correction of a scan line length error
A method for determining a scan line error for a scan line, wherein the scan line is produced from one of a plurality of facets of a rotating reflector of a scanning device. The method comprises...
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6633378 |
Scanning system
A device for remote detection of surface flaws in enclosed cavities that have been treated with a photoluminescent medium. The device has a non-rotating ultraviolet radiation source, an offset...
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6600152 |
Device for treating a substrate having a rotating polygonal mirror with inclined faces and a system of adjacent focusing lenses
A device for treating a substrate with laser radiation is described. The device has a rotating polygon mirror with N reflecting surfaces which are used to direct a laser beam via a system of...
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6555810 |
Optical scanning device comprising a plurality of scanning units having one lens in common
An optical scanning device includes a plurality of optical scanning, units each including a light source emitting a light flux, a scanning input optical system directing the light flux emitted from...
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6518564 |
Process and device for reading radiation image information stored on an image medium by detecting both the luminescent light emitted and the reflected read out light
The invention relates to a method and a device for reading out radiation image information stored on an image medium ( 12 ). A scanning unit ( 10 ) has a laser ( 16 ) for scanning the image medium...
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