| Patent Number |
Title Of Patent |
Date Issued |
| D602969 |
Portable projector housing |
October 27, 2009 |
|
| D598944 |
Housing for portable projector device |
August 25, 2009 |
|
| 7619802 |
Suspension for maintaining mirror flatness of a MEMS device in a scanner system or the like |
November 17, 2009 |
| Briefly, in accordance with one or more embodiments, a MEMS device may comprise a coil frame having a drive coil disposed thereon and being supported by one or more suspension arms disposed along an axis of the coil frame, and a mirror platform having a mirror disposed thereon. The m |
| 7616366 |
MEMS device having a drive coil with curved segments |
November 10, 2009 |
| Briefly, in accordance with one or more embodiments, a coil for a MEMS device, and/or a structure on which the coil is disposed, may have one or more linear segments and one or more non-linear segments. One or more of the non-linear segments may be curved to increase a responsiveness of |
| 7613373 |
Substrate guided relay with homogenizing input relay |
November 3, 2009 |
| An optical relay system (200) includes a scanned light source (206) and a substrate guided relay (204). The substrate guided relay (204) includes an input coupler (201), an output coupler (203), and an optical substrate (202) disposed therebetween. A light homogenizing relay device (208) |
| 7612737 |
Scanned light beam display with brightness compensation |
November 3, 2009 |
| A scanned beam display is operable to compensate for variations in apparent pixel brightness arising from variations in beam scanning velocity and/or pixel dwell times. A compensation circuit modifies pixel values according to their scanning velocity and/or dwell time. |
| 7589901 |
Substrate-guided relays for use with scanned beam light sources |
September 15, 2009 |
| Substrate-guided relays that employ light guiding substrates to relay images from sources to viewers in optical display systems. The substrate-guided relays are comprised of an input coupler, an intermediate substrate, and an output coupler. In some embodiments, the output coupler is |
| 7589900 |
Eyebox shaping through virtual vignetting |
September 15, 2009 |
| Briefly, in accordance with one or more embodiments, a compressed microlens array comprises an array of lenslets arranged in the array to have the lenslet centers spaced apart at a first distance in a first direction and to have the lenslet centers spaced apart at a second distance i |
| 7580189 |
Optical element that includes a microlens array and related method |
August 25, 2009 |
| An optical element includes a microlens array and a reflective surface. The microlens array has a focal curve and a focal length, and the reflective surface is spaced from the focal curve. When used as an exit-pupil expander, such an optical element can often generate output beamlets |
| 7580007 |
Apparatus and method for bi-directionally sweeping an image beam in the vertical dimension and r |
August 25, 2009 |
| A scan assembly of an image generator sweeps an image beam in a first dimension at a first rate and bi-directionally in a second dimension at a slower rate. Sweeping the beam bi-directionally in the vertical dimension (generally the dimension of the lower sweep rate) can reduce the scann |
| 7570859 |
Optical substrate guided relay with input homogenizer |
August 4, 2009 |
| An optical substrate guided relay (300) includes a light homogenizing device (321) coupled to an optical input device (301) in an offset orientation along a first interface (331). The light homogenizing device (321) receives light from an image-producing source (804), which can be a |
| 7567879 |
Circuit for driving a plant such as a mechanical beam scanner and related system and method |
July 28, 2009 |
| A device for driving a plant such as a beam scanner includes a memory, drive-signal generator, and a calibrator. The memory stores data corresponding to the drive signal, and the generator generates the drive signal from the data and couples the drive signal to the plant. The calibra |
| 7565541 |
Digital fingerprint identification system |
July 21, 2009 |
| Methods, apparatuses, and systems for identifying a digital fingerprint. One embodiment compensates for the inaccuracies resulting from the unstable nature of the circuits that yield digital fingerprints and, therefore, allows for reliable identification of these digital fingerprints |
| 7558455 |
Receiver aperture broadening for scanned beam imaging |
July 7, 2009 |
| A scanning beam assembly includes a beam generator to generate a beam of radiation; at least one reflector configured to deflect the beam across a field of view; and a plurality of multi-mode optical fibers for receiving radiation reflected from the field of view, wherein the optical fib |
| 7550713 |
System for determining an operational state of a MEMS based laser scanner |
June 23, 2009 |
| Briefly, in accordance with one or more embodiments, an operational state of a MEMS device of a scanner system may be determined. In the event it is determined that the MEMS device is possibly operating in an unsafe mode, the laser may be turned off and/or the MEMS device may be shut |
| 7547277 |
Method and apparatus for calibrating an endoscope system |
June 16, 2009 |
| An endoscope system and method includes an endoscope tip coupled to a endoscope console for providing images of anatomical features imaged using the endoscope system. The system also includes a calibration device having known optical properties. The calibration device is imaged using |
| 7534205 |
Methods and apparatuses for selecting and displaying an image with the best focus |
May 19, 2009 |
| Methods and apparatuses for selecting and displaying an image with the best focus are disclosed. In one aspect, a method of displaying a captured image includes capturing a plurality of images of a field of view (FOV) using an image capture device, selecting one of the images having |
| 7530498 |
Wireless interface and method for enhanced functionality |
May 12, 2009 |
| A portable end device, such as a bar code scanner, may be equipped with auxiliary interfaces. The auxiliary interfaces may be easily added to the end device as a replaceable cover, such as a replaceable battery door. A signal path conducts signals to and from the replaceable cover. One |
| 7516896 |
Frequency tunable resonant scanner with auxiliary arms |
April 14, 2009 |
| A MEMs scanning device has a variable resonant frequency. In one embodiment, the MEMs device includes a flexible arm that extends from an oscillatory body. An electrical field applies a force to the flexible arm, thereby bending the flexible arm to change the moment of inertia of the |
| 7515329 |
Driving a MEMS scanner with a combined actuator drive signal |
April 7, 2009 |
| A MEMS oscillator, such as a MEMS scanner, has an improved and simplified drive scheme and structure. Drive impulses may be transmitted to an oscillating mass via torque through the support arms. For multi-axis oscillators drive signals for two or more axes may be superimposed by a d |
| 7501616 |
Method and apparatus for capturing an image of a moving object |
March 10, 2009 |
| A scanned beam imager or laser scanner is operable to scan an object moving through its field-of-view. The system may include means for detecting direction and/or speed of the object. The velocity detection means may include sensors, an interface for receiving velocity information fr |
| 7495833 |
Scanned beam source and systems using a scanned beam source for producing a wavelength-compensat |
February 24, 2009 |
| According to embodiments, scanned beam source may include a first beam shaping optical element aligned to receive a composite beam of light carrying a plurality of wavelength components and a second beam shaping optical element aligned to receive the composite beam of light from the |
| 7491919 |
Circuit for detecting a clock error in a scanned-image system and related circuits, systems, and |
February 17, 2009 |
| A circuit for detecting a phase error between a clock signal and a beam position includes a beam generator, a sensor, and a phase detector. The beam generator directs a beam toward a beam sweeper in response to the clock signal, and the sensor detects the beam as directed from the beam |
| 7489433 |
Method and apparatus for making and using 1D and 2D magnetic actuators |
February 10, 2009 |
| A light beam scanner may include a polymeric material and a soft magnetic material. |
| 7486255 |
Scanned beam system and method using a plurality of display zones |
February 3, 2009 |
| A scan assembly includes an emitter array containing a plurality of optical emitters. Each optical emitter generates a corresponding image beam and the scan assembly scans the image beams in a plurality of overlapping display zones. The overlap of adjacent image display zones forms b |
| 7485485 |
Method and apparatus for making a MEMS scanner |
February 3, 2009 |
| Devices are formed on a semiconductor wafer in an interdigitated relationship and are released by deep reactive ion etching. MEMS scanners are formed without a surrounding frame. Mounting pads extend outward from torsion arms. Neighboring MEMS scanners are formed with their mounting |
| 7482730 |
High performance MEMS scanner |
January 27, 2009 |
| A high performance MEMS scanner is disclosed. In some embodiments, scanner mirror has a wide and short aspect ratio that is similar to rotating polygon facets. Long torsion arms allow large rotation angles including 20.degree. zero-to-peak mechanical and greater. Suspensions couple the |
| 7476197 |
Scanned beam imagers and endoscopes utilizing multiple light collectors |
January 13, 2009 |
| Apparatuses and methods for scanned beam imagers and scanned beam endoscopes that utilize multiple light collectors are disclosed. In one aspect, a scanned beam imager is disclosed. The scanned beam imager includes a scanned beam source operable to scan a beam onto a region of intere |
| 7473888 |
Display with compensated light source drive |
January 6, 2009 |
| A MEM s scanning device has a variable resonant frequency. In one embodiment, the MEMs device includes a torsion arm that supports an oscillatory body. In one embodiment, an array of removable masses are placed on an exposed portion of the oscillatory body and selectively removed to |
| 7460305 |
Scanned-beam heads-up display and related systems and methods |
December 2, 2008 |
| A heads-up display that includes a scanner and a projection assembly. The scanner generates an image by sweeping a beam of electromagnetic energy, and the projection assembly directs the image into a predetermined viewing space having a region with a substantially uniform intensity p |
| 7448995 |
Scanning endoscope |
November 11, 2008 |
| A scanning endoscope, amenable to both rigid and flexible forms, scans a beam of light across a field-of-view, collects light scattered from the scanned beam, detects the scattered light, and produces an image. The endoscope may comprise one or more bodies housing a controller, light |
| 7446931 |
Compact multicolor light beam source |
November 4, 2008 |
| A plural wavelength light beam source may include one or more integrated laser diodes and a wavelength-conversion source such as a second harmonic generation laser. According to some embodiments the one or more laser diodes may be aligned to emit light through a wavelength converter. |
| 7442918 |
MEMS device having simplified drive |
October 28, 2008 |
| A MEMS oscillator, such as a MEMS scanner, has an improved and simplified drive scheme and structure. Drive impulses may be transmitted to an oscillating mass via torque through the support arms. For multi-axis oscillators drive signals for two or more axes may be superimposed by a d |
| 7439491 |
Error reduction for image capturing device |
October 21, 2008 |
| Aspects of the subject matter described herein relate to reducing error in images obtained from an image-acquiring system. An image-acquiring system may be modeled as light received from a primary path, light received from a secondary path, and light received from all other paths. Light |
| 7435217 |
Scanned beam imagers and endoscopes with positionable light collector |
October 14, 2008 |
| Apparatuses and methods for scanned beam imagers and scanned beam endoscopes having a positionable light collector are disclosed. In one aspect, a scanned beam imager includes a scanned beam source operable to scan a beam across a FOV and a light collector structured to collect light |
| 7428997 |
Method and apparatus for illuminating a field-of-view and capturing an image |
September 30, 2008 |
| A variable illuminator, for instance a device for scanning a beam of light, emits a selected amount of power to a plurality of spots across a field of view. The amount of power is determined as inversely proportional to the apparent brightness of each spot. In the case where the spot |
| 7428093 |
Optical scanning system with correction |
September 23, 2008 |
| A scanning system device has a predetermined aberration as it scans or switches light along selected optical paths. A deformable membrane receives the light and introduces an inverse "aberration" that offsets that of the scanning system. In one embodiment the scanning system includes |
| 7400432 |
Scanning-mirror structure having a cut or a composite design to reduce deformation of the mirror |
July 15, 2008 |
| A mirror structure includes a mirror, a reflective face, a cut in the mirror under the face, and a torsion arm attached to the mirror. Such a mirror structure often distorts a scanned image less than prior mirror structures because the cut uncouples the twist-induced strain in the to |
| 7377441 |
Electronic device with auxiliary interfaces |
May 27, 2008 |
| A portable end device, such as a bar code scanner, may be equipped with auxiliary interfaces. The auxiliary interfaces may be easily added to the end device as a replaceable cover, such as a replaceable battery door. A signal path conducts signals to and from the replaceable cover. One |
| 7375311 |
Scanned-beam imager with phase offset photon emission imaging |
May 20, 2008 |
| Aspects of the subject matter described herein relate to attributing light emissions to spots a light was scanned over. In aspects, the scanned light includes light capable of increasing light emissions from at least one type of matter. A detector detects emitted light that comes from |
| 7365892 |
Scanned light display system using array of collimating elements in conjunction with large numer |
April 29, 2008 |
| A scanned light display system includes a light emitter array having a plurality of light sources operable to emit diverging light and an array of collimating elements positioned so that each of the collimating elements receive at least a portion of the light emitted from a correspon |
| 7339737 |
Beam multiplier that can be used as an exit-pupil expander and related system and method |
March 4, 2008 |
| A beam multiplier includes a beam-multiplying layer and an adjacent optical layer. The beam-multiplying layer is operable to generate output beamlets of light from an input beam of light, and the optical layer has an adjustable index of refraction. By switching the index of refraction |
| 7312765 |
Display system and method for reducing the magnitude of or eliminating a visual artifact caused |
December 25, 2007 |
| A display system includes an image generator that generates an image and a control circuit that reduces or eliminates the viewer's perception of a visual artifact when the viewer's gaze shifts with respect to the image. For example, such a display system may generate a fill-in light to r |
| 7310174 |
Method and apparatus for scanning regions |
December 18, 2007 |
| A beam scanner is operable to scan light in two or more axes, typically in a raster pattern that includes a fast scan axis and a slow scan axis. Plural beams of light are scanned, each beam of light producing a scanned region that at least partially overlaps at least one adjoining scanne |
| 7302243 |
Method and apparatus for detecting a radio frequency to which a broadcast receiver is tuned |
November 27, 2007 |
| A method and apparatus is disclosed for detecting the frequency to which a broadcast receiver is tuned. In one embodiment, a sensing unit emits a chirp signal over a range of broadcast bands and monitors the output of the radio receiver to detect the frequency to which the radio receiver |
| 7277213 |
Aperture plate and related system and method |
October 2, 2007 |
| An aperture plate includes an opening and a surface adjacent to the opening. The opening passes electromagnetic energy such as light to a reflector that is aligned with the opening and that directs the electromagnetic energy to a location. The surface reflects incident electromagneti |
| 7262765 |
Apparatuses and methods for utilizing non-ideal light sources |
August 28, 2007 |
| A method includes obtaining a measurement of a property of a light source, scanning light from the light source onto a surface, such that the light interacts with the surface, detecting light from the surface to create a picture element, and correcting the picture element with the measur |
| 7232071 |
Scanned beam imager |
June 19, 2007 |
| A scanned beam image capture apparatus is adaptable to use in medical imaging applications. |
| 7209271 |
Multiple beam scanning imager |
April 24, 2007 |
| A display apparatus includes a scanning assembly that scans about two or more axes, typically in a raster pattern. A plurality of light sources emit light from spaced apart locations toward the scanning assembly such that the scanning assembly simultaneously scans more than one of the |
| 7193758 |
Scanner and method for sweeping a beam across a target |
March 20, 2007 |
| A scanner such as a bar-code scanner includes a scan-beam generator, a beam reflector having a first magnet, and a beam-sweep mechanism having a second magnet. The beam-sweep mechanism causes the reflector to sweep the scan beam across a target such as a bar-code symbol by exerting a for |
