Matches 1 - 50 out of 89 1 2 >


Match Document Document Title
US20090284816 Induced Resonance Comb Drive Scanner  
Briefly, in accordance with one or more embodiments, a MEMS based scanning platform is arranged to have increased efficiency by driving a first frame of the scanning platform directly by applying...
US20080080031 MAGNETIC FIELD POSITION FEEDBACK FOR HOLOGRAPHIC STORAGE SCANNER  
The present invention provides a scanner comprising: a base member; a scanning beam reflective member having a first tilt axis and a second tilt axis orthogonal to the first tilt axis; a mounting...
US20080144150 Projection System with Multi-Phased Scanning Trajectory  
A scanned beam display device scans a beam to paint an image. The beam is scanned in two dimensions and includes at least one sinusoidal component. Phase offsets are introduced to provide...
US20080259423 Scanner Arrangement and Method for Optically Scanning an Object  
A scanner arrangement (50), in particular a scanning microscope, for optically scanning an object (101) in a sequence of scanning steps, has: a drivable moving object stage (40) and an objective...
US20130286454 WAVELENGTH SWEPT LIGHT SOURCE  
In a wavelength swept light source using a polygon mirror in a well-known art, an oscillation wavelength roughly linearly varies in an upwardly slight convex shape with respect to time. On the...
US20080158631 Circuit for electrostatically driving a plant such as a comb-drive microelectromechanical system (MEMS) mirror and related subsystem, system, and method  
A drive circuit includes a generator and a driver. The generator generates a signal having a period and a varying amplitude during a driving portion of the period, and the driver is coupled to the...
US20080204839 Optical scanning device, optical scanning display device, and optical scanning method  
An optical scanning device is provided with a scanning unit including an oscillating element which is elastically and rotatably supported so as to rotatably oscillate, a light beam incident on the...
US20090185133 Optical scanning device, image display device provided with optical scanning device, retinal scanning display, and driving method of optical scanning element  
An optical scanning element performs scanning with light by bringing a mirror portion into a swinging state by generating resonance oscillations of the mirror portion due to torsional...
US20100046053 Optical scanning device, image display device and retinal scanning display provided with optical scanning device  
An optical scanning device includes a dot clock generator which generates a dot clock having a dot clock cycle corresponding to a scanning direction of an optical flux by dividing master clocks...
US20080278783 STABILIZING OSCILLATION AMPLITUDE OF TORSION OSCILLATOR AT PREDETERMINED FREQUENCY  
A control method of stabilizing the oscillation amplitude of a torsion oscillator is described. The method includes the steps of: driving a torsion oscillator at a predetermined frequency with a...
US20090153932 MEMS devices and related scanned beam devices  
Embodiments relate to a MEMS device including a scanner rotatable about at least one rotation axis, with the scanner having a characteristic resonant frequency. According to one embodiment, the...
US20090080046 OPTICAL SCANNING ELEMENT, DRIVING METHOD FOR SAME, AND OPTICAL SCANNING PROBE EMPLOYING OPTICAL SCANNING ELEMENT  
An optical scanning element is provided and includes: a substrate; a first movable section supported on the substrate so as to be capable of rocking displacement about a first axis parallel to a...
US20080165403 MICROMECHANICAL DEVICE WITH ADJUSTABLE RESONANT FREQUENCY BY GEOMETRY ALTERATION AND METHOD FOR OPERATING SAME  
A micromechanical device described has an oscillation system with an oscillation body and an elastic suspension, by which the oscillation body is oscillatorily suspended. The elastic suspension...
US20100085618 OSCILLATOR DEVICE, OPTICAL DEFLECTING DEVICE AND METHOD OF CONTROLLING THE SAME  
An oscillator device including an oscillation system with oscillators and torsion springs, a driving member for driving the oscillation system, and a drive control member for supplying a driving...
US20090067019 SWING MEMBER DEVICE, AND OPTICAL DEFLECTOR AND IMAGE-FORMING APPARATUS EMPLOYING THE SWING MEMBER DEVICE  
A swing member device comprises a swingable part supported by a supporting part to be swingable around a torsional axis on a supporting base in at least one intrinsic oscillation mode: the swing...
US20100079834 TWO FREQUENCY RESONANTLY EXCITED MEMS MIRROR FOR DIODE-LASER MARKER  
Apparatus for marking a bitmap image on tape includes a scanning mirror which is incorporated in a micro-electro-mechanical system (MEMS). The MEMS is torsionally resonant at two frequencies one...
US20090279155 Multiharmonic Galvonometric Scanning Device  
A scanning apparatus for a printer or similar instrument. A multiharmonic oscillator is used to provide a composite motion of a laser beam or other light beam to scan an imaging surface. The...
US20100073748 Scanning Mirror Control  
A scanning beam projection system includes a scanning mirror having a fast-scan axis and a slow-scan axis. Movement on the slow-scan axis is controlled by a slow-scan scanning mirror control...
US20090086300 FEEDBACK DRIVE FOR RESONANT OSCILLATION OF SCANNER MECHANISM  
A drive for oscillating a reflector in a beam scanner, and for other similar oscillating devices, forms a feedback loop synchronized to the natural resonance of a resiliently movable flipper strip...
US20110122471 PIEZOELECTRIC ACTUATOR, OPTICAL REFLECTION ELEMENT USING THE SAME AND PIEZOELECTRIC DRIVER  
A first oscillating portion is provided with a first piezoelectric element having a first drive electrode. A second oscillating portion has a central axis different from that of the first...
US20090015894 OPTICAL FIBER SCANNING APPARATUS  
A scanning apparatus and method, the apparatus comprising a light transmitter, a mount for supporting the light transmitter located remotely from its exit tip, a drive for driving the light...
US20070041068 Apparatus and methods for rapidly bringing a scanning mirror to a selected deflection amplitude at its resonant frequency  
The present invention provides methods and apparatus for rapidly starting or bringing an oscillating device to its resonant frequency, and operating deflection amplitude. The invention is...
US20110211187 RESONANT SCANNER FOR 3D MAPPING  
A system, apparatus, and method are disclosed for a resonant scanner for three-dimensional (3D) mapping. The system, apparatus, and method employ a small, lightweight articulating device that...
US20080278784 Optical Scanning Device and Printing Apparatus  
An optical scanning device comprises: an oscillating mirror which has a pair of electrodes and a mirror oscillator; a driving unit which applies a wave-like driving signal to the electrodes so as...
US20080225363 OPTICAL DEFLECTOR AND OPTICAL DEVICE  
An optical deflector includes a plurality of piezoelectric unimorph oscillating bodies (210a to 210d) that cause a reflecting plate (1) to oscillate rotationally, centering upon a pair of flexible...
US20080297869 OSCILLATOR DEVICE AND DRIVE CONTROL METHOD FOR OSCILLATION SYSTEM OF OSCILLATOR DEVICE  
An oscillator device includes an oscillation system having at least one oscillator configured to oscillate, the oscillation system having a plurality of natural oscillation modes with a plurality...
US20090153931 PROJECTION SYSTEM, PROJECTION LENS MODULE, OPTICAL ACTUATOR AND ITS DRIVING METHOD  
A driving method of an optical actuator is applied to a projection system. The optical actuator includes a carrier, an optical element and an actuator component. The optical element is disposed at...
US20080266631 Light Scanning Device and Image Forming Apparatus  
A light scanning device includes: a light source which emits a light beam; an oscillating mirror which oscillates rotationally to reflect the light beam; an optical system which is configured to...
US20110320046 Drive method for starting and operating a resonant scanning MEMS device at its resonant frequency  
The resonance frequency of a forced torsionally oscillating mirror MEMS device can be controlled in the presence of perturbations by means of a closed loop feedback device and method of using it....
US20090225384 VIBRATION ELEMENTS  
A vibration unit including a frame, a vibration element including a substrate configured to vibrate, and a beam configured to connect the vibration element to the frame. The vibration unit is...
US20090147336 OPTICAL SCANNER AND COLOR IMAGE FORMING APPARATUS  
An optical scanner is disclosed that has an optical source unit that emits a laser beam; a vibration mirror by which the laser beam from the optical source unit is deflected to scan; a driving...
US20080218825 Optical Scanning Apparatus and Image Display Apparatus Using the Same  
The optical scanning apparatus converts a rotational motion of a motor to a reciprocating linear motion such that light modulated by a light source is scanned in two dimensions. In addition,...
US20080285102 OSCILLATOR DEVICE, OPTICAL DEFLECTOR AND DRIVING SIGNAL GENERATING METHOD  
An oscillator device includes an oscillation system 115 having a plurality of oscillators and a plurality of torsion springs, a supporting member for supporting the oscillation system 115, driving...
US20140355089 MEMS Device and Electronic Device Having Projector Function  
In a MEMS device (1), a first drive portion (40) is divided into a first drive section (41) and a second drive section (42). A second drive portion (50) is divided into a third drive section (51)...
US20120243064 TWO-DIMENSIONAL OPTICAL DEFLECTOR INCLUDING ONLY ONE PAIR OF MEANDER-TYPE PIEZOELECTRIC ACTUATORS AND ITS DRIVER  
In a two-dimensional optical deflector comprising a mirror and a support body surrounding the mirror, first and second piezoelectric actuators of a meander-type are provided opposite to each other...
US20090046342 Light Scanning Device  
A light scanning device includes: a light source which emits light; a frame which supports the light source; an oscillating mirror which rotationally oscillates about a first axis to reflect the...
US20080284523 OSCILLATOR DEVICE, OPTICAL DEFLECTOR AND IMAGE FORMING APPARATUS USING THE OPTICAL DEFLECTOR  
An oscillator device includes an oscillation system having an oscillator and an elastic supporting member, a detecting member for detecting oscillation amplitude of the oscillator, a driving...
US20120250125 Obtaining Pressure of an Operating Environment of a Bi-directionally Scanning Electrophotographic Device for Implementing Corrections per Pressure  
Methods and apparatus include improving print quality of a bi-directionally scanning electrophotographic (EP) device, such as a laser printer or copy machine, according to ambient pressure in...
US20110292479 OPTICAL REFLECTION ELEMENT  
An optical reflection element includes a mirror portion and an oscillator coupled to the mirror portion. The oscillator includes a base, an insulating layer, a drive element, and a monitor...
US20100149612 OSCILLATOR DEVICE AND OPTICAL DEFLECTOR USING THE SAME  
An oscillator device includes at least one movable element supported for oscillatory motion around a rotational axis, and a first rectifying member for suppressing generation of a spiral airflow...
US20150055203 OPTICAL SCANNING DEVICE AND OPTICAL SCANNING UNIT  
An optical scanning device includes a mirror that oscillates to scan incident visible light. The mirror includes a substrate, a metal film formed on the substrate, and an reflection enhancing film...
US20090290204 OPTICAL SCANNING ACTUATOR  
An optical scanning actuator includes a fixed member having a light source, a movable member having an optical element that deflects light emitted from the light source and caused to vibrate by a...
US20100328745 OPTICAL SCANNER, IMAGE DISPLAY APPARATUS HAVING OPTICAL SCANNER AND DRIVING METHOD OF OPTICAL SCANNER  
An optical scanner including a base body, a drive unit, a deflection status detector and a controller is provided. The base body has a non-linear frequency characteristic and has a first resonance...
US20110051210 Laser Projector  
A laser projector including a laser light source, a scan unit to scan the laser beam, a scan signal generation unit to generate a pulse signal, a drive unit to drive the scan unit and a pulse...
US20150103386 OPTICAL SCANNING DEVICE  
An optical scanning device includes a mirror part including a mirror reflecting surface to reflect incident light, a pair of torsion bars configured to support the mirror part from both sides and...
US20120033279 OPTICAL REFLECTION ELEMENT  
An optical reflection element has a frame-shaped supporting body, a first oscillator and a second oscillator each having a meander shape, and a mirror portion. A line segment connecting a joining...
US20130057936 VIBRATION-ACTUATED MICRO MIRROR DEVICE  
A vibration-actuated micro mirror device comprises a substrate, a swinging frame, a reflection mirror, and a vibration part. The swinging frame is rotatably arranged within a first accommodating...
US20100315552 Asynchronous Scanning Display Projection  
A scanning projector includes a mirror that scans in two dimensions, at least one of which is sinusoidal. A digital phase lock loop locks to the sinusoidal movement of the mirror. A free-running...
US20140267530 Scan Unit for an Imaging Device and Methods of Using Same  
An imaging device scan unit, including an oscillator oscillating in a predetermined oscillation pattern; a light source generating a light beam for deflection by the oscillator and including a...
US20120200902 VIBRATION-ACTUATED MICRO MIRROR DEVICE  
The present invention provides a vibration-actuated micro mirror device comprising a substrate having a swinging frame and a reflection mirror, and a vibration part having a first and a second...

Matches 1 - 50 out of 89 1 2 >