Abstract:
A bar code scanner includes at least three components, namely, a beam source, a beam director, and a detector. The at least three components are arranged in at least two physically distinct portions that are separately enclosed and spatially separated from one another. In one example, the beam source is embodied on a ring that is worn on a user's finger, while the beam director is embodied in another ring that is worn on a different finger of the user such that the beam source and the beam director are coupled to one another via a spatial gap in open air. In another example, the beam source, beam director, and detector are embodied in separate physical portions that are each located on separate substrates that are affixed to a glove that is worn by a user.
Abstract:
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 auxiliary interface is a Bluetooth radio. Data integrity protocols may be selected to guarantee delivery and guarantee no duplicate deliveries. Host pairing algorithms may provide standard or strong pairing with a host computer. Ergonomic interface features allow a user to control and monitor the operation of the end device and the data link with minimal hardware cost and battery life impact. Host software programs provide data routing, automatic reestablishment of the data link, and other functions. The system is adaptable to a wide array of use environments through the selection of timer parameters in the end device.
Abstract:
Method and apparatus for reprogramming a programmable product, such as, a printer, a wireless communication device, or a portable computer. A software programmable product that includes memory for storing product operation information and a method for configuring the software programmable products is provided. Software is configurable by data stored on an RFID tag. Data stored on the RFID is transferred reprogramming circuitry of the production which sets the configurable operating parameters. This configures the products features and options as desired by the specific user without requiring an external programming device or destructive entering into the packages or internals of the product. An RFID located in an electronic product, within or upon its packaging, or on an accessory may be loaded with reprogramming data such as media configuration data or usage data. The RFID reader may be located on a kiosk.
Abstract:
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 measurement of the property. An apparatus includes a scanned beam display, the scanned beam display is configured to receive a signal and to scan the signal for viewing by a user. The signal is to contain picture element information. The picture element information includes information for a plurality of colors, wherein information for at least one color is corrected to substantially remove a perturbation to the picture element information, such that an image containing the picture element information will be substantially unchanged by the perturbation.
Abstract:
Embodiments including methods and apparatuses for displaying an image including generating a first modulated and scanned excitation beam; generating a second modulated and scanned excitation beam; impinging the first and second modulated and scanned excitation beams onto a photoluminescent screen; and responsively converting the wavelengths of the first and second excitation beams into different corresponding third and fourth visible wavelength photoluminescent emissions, wherein the first modulated and scanned excitation beam is substantially prevented from stimulating photoluminescent emissions at the fourth visible wavelength and the second modulated and scanned excitation beam is substantially prevented from stimulating photoluminescent emissions at the third visible wavelength.
Abstract:
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 spots the light was previously scanned over. Circuitry attributes emitted light with spots within the area. Data representing light that reflects from each spot may be combined with data representing light that emits (if any) from each spot to create an image. The emitted light may be assigned a false color in the image to distinguish it from reflected light in the image. Emitted light may occur as a result of fluorescent activity. Other aspects are described in the specification.
Abstract:
A control system for a projection display includes means for compensating for relative movement between a projection display and a projection surface and/or between a projected image and a viewer. The system may compensate for image shake. Movement may be detected optically, through motion or inertial detection, etc. The image may be compensated by modifying image properties such as resolution, by modifying an image bitmap, by moving a display engine or a display engine component, and/or by deflecting the projection axis, for example. According to an embodiment the projection display may include a display engine utilizing a laser scanner.
Abstract:
According to an embodiment, an interrogator includes a beam generator operable to scan a variable-power beam across a field of view, a detector aligned to receive an electromagnetic signal from the field of view and generate a corresponding detection signal, and a controller operatively coupled to the detector and the beam generator and operable to vary the power of the beam as it scans across the field of view responsive to the detection signal. According to an embodiment, an illumination system includes an illumination source operable to provide spatially-varying illumination, a detector configured to receive scattered energy from the spatially-varying illumination, and an electronic controller operable to vary the spatial variation of the illumination responsive to the scattered energy received by the detector. According to an embodiment, a method includes illuminating a field of view with a variable power illumination pattern, receiving scattered light from the field of view, and modifying the pattern of the variable power illumination responsive to the scattered light
Abstract:
A laser drive controller compensates for temperature-dependent effects of a temperature-sensitive laser. Temperature variations in the laser may be measured and/or predicted based on variable pulsed output. The controller may drive the laser to maintain temperature and/or to compensate for variations in temperature. The techniques may be applied to a laser scanner, scanned beam display, laser printer, laser camera, scanned beam imager, etc.