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8149473 Image reading apparatus  
An image reading apparatus is provided that can prevent image streaks due to dirt, stain or the like from being produced in an image of an original that is read while being conveyed. The image...
8144312 Telescope with a wide field of view internal optical scanner  
A telescope with internal scanner utilizing either a single optical wedge scanner or a dual optical wedge scanner and a controller arranged to control a synchronous rotation of the first and/or...
8072667 Optical scanning device and image forming apparatus  
An optical scanning device includes a deflecting unit that deflects a laser beam from a light source in a main-scanning direction; a scanning imaging unit that focuses the laser beam deflected by...
8056810 Methods and apparatus for generating and decoding scan patterns using multiple laser sources  
Systems and techniques for multiple laser and multiple detector bar code scanning. multiple laser sources generate multiple laser beams directed to a rotating spinner and along optical paths to...
8031386 Galvano motor and galvano motor system  
A galvano motor 10 includes a motor shaft 1, a coil 5 which rotationally drives the motor shaft 1, and an encoder scale 6 which is joined to one end of the rotating shaft, the motor shaft 1 is...
7997739 Optical beam scanning device, image forming apparatus  
An optical beam scanning device includes a polygon mirror 80 in which tilt angles with respect to a rotation axis of the polygon mirror 80 of respective plural reflecting surfaces are set to angles...
7943896 Mechanical galvanometer tilt correction control  
A mechanical galvanometer tilt control system includes two beam detection sensors that detect vertical displacement caused by the horizontal rotation of a galvanometer and the vertical rotation of...
7858923 Light beam scanning apparatus and image forming apparatus provided with the same  
A light beam scanning apparatus capable of forming a high contrast electrostatic latent image. A polygon mirror scans a light flux emitted from a light source in a main scanning direction. An...
7856474 Method and apparatus for identifying documents 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...
7766491 Optical beam scanning device, image forming apparatus  
An optical beam scanning device includes a polygon mirror 80 in which tilt angles with respect to a rotation axis of the polygon mirror 80 of respective plural reflecting surfaces are set to angles...
7756323 Three-dimensional video scanner  
A 3D scanning device comprises: a digital light encoding unit comprising a digital micromirror device for encoding a rapidly changing shape signal onto a light beam directed to an object, a shape...
7719739 Light scanning apparatus, method of controlling the same and image forming apparatus equipped with the same  
A light scanning apparatus makes a light beam scan along a main scanning direction on an effective scanning region which has a predetermined width. The apparatus comprises: a light source which...
7710625 Light scanning apparatus that stops driving oscillation mirror when change of amplitude of oscillation mirror exceeds predetermine value  
A light scanning apparatus makes a light beam scan along a main scanning direction on an effective scanning region which has a predetermined width. The apparatus comprises: a light source which...
7688479 Compensation apparatus for image scan  
A compensation apparatus for image scan, applied to an optical scanner with a platform, on which an object to be scanned is disposed. The optical scanner has a photosensitive apparatus with a set...
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...
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...
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...
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...
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...
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 the test...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 pos...
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...
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...
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...
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...
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...
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 first...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...