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Radiant Energy > Photocells; Circuits And Apparatus > Photocell Controls Its Own Optical Systems Photocell Controls Its Own Optical SystemsPhotocell Controls Its Own Optical Systems patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/10/08 - 20080006762 - Integrated proximity sensor and light sensor Apparatuses and methods to sense proximity and to detect light. In one embodiment, an apparatus includes an emitter of electromagnetic radiation and a detector of electromagnetic radiation; the detector has a sensor to detect electromagnetic radiation from the emitter when sensing proximity, and to detect electromagnetic radiation from a source ... 12/13/07 - 20070284508 - Characteristic and/or use-based electromagnetic radiation generation Method and system for generating electromagnetic radiation wherein one or more attributes of the electromagnetic radiation are adjusted based on a characteristic of the object being illuminated. The object characteristic can be obtained based on a sensed property of the object and used to adjust the attribute(s) of the electromagnetic ... 09/27/07 - 20070221821 - Variable focal length constant magnification lens assembly Aspects of the invention can provide an imaging device that can include a first optical element having a first focal length, and a second optical element having a variable second focal length. The second optical element can be located at a fixed first distance of approximately the first focal length ... 05/03/07 - 20070096008 - Systems and methods to shape laser light as a homogeneous line beam for interaction with a film deposited on a substrate Systems and methods are disclosed for shaping and homogenizing a laser beam for interaction with a film. The shaping and homogenizing system may include a lens array and a lens that is positioned to receive laser light from the lens array and produce a respective elongated image in a plane ... 04/12/07 - 20070080280 - Control systems for adaptive lens Systems and methods for controlling a fluid lens in a data collection device. One or more micropump control systems are used to control one or more fluid lenses. The micropump control systems are used to change volume and/or pressure within the fluid lens system, changing the radius of curvature of ... 04/05/07 - 20070075215 - Optical receiver protection circuit An apparatus for optical receiver circuit protection includes a bias source, a bias monitor, and a comparator. The bias source is to provide a bias voltage to an optical receiver. The bias monitor is coupled to measure a current through the optical receiver, where the current changes responsive to received ... 01/25/07 - 20070018070 - Optical element positioning devices An optical element positioning arrangement comprises a reflective optical element, actuators, flexures located between the actuators and said optical element, the arrangement being configured so that when a first actuator is actuated any displacement generated is transmitted via a flexure to said optical element and provided that a second actuator's ... 01/11/07 - 20070007427 - Optical position sensor architecture for servo systems System and method for an optical position sensor architecture for use in servo systems. A preferred embodiment comprises a light source configured to produce a light with an intensity dependent upon a control signal, a first light sensor and a second light sensor positioned adjacent to one another, each light ... 09/28/06 - 20060214084 - Focusing system using light source and image sensor An apparatus comprising a movable optical element having an optical axis and including one or more focusing elements, an image sensor positioned along the optical axis and substantially normal thereto, and a radiation source attached to the movable optical element, wherein the radiation source directs a beam of radiation onto ... 08/17/06 - 20060180738 - Eye-protection device having dual high voltage switching An auto darkening eye protection device comprising a shutter assembly and a control circuit. The shutter assembly is adjustable between a light state and a dark state. The control circuit comprises a sensing circuit, a weld detect circuit, a positive voltage generator, and a negative voltage generator. The sensing circuit ... 07/06/06 - 20060145051 - Optical module and its wavelength monitor control method The measurement portion (1) measures temperature by a thermistor (5) in the measurement portion, and measures a bias current by using an LD drive current detecting circuit (6). The LD temperature, optical output and bias current are measured by the measurement portion. The relationship between the LD temperature and wavelengths ... 01/26/06 - 20060016957 - Systems and methods for displaying images and processing work pieces A method of displaying an image on a work piece positioned on a movable work surface. A method of processing a work piece, as well as a method of displaying an image on a moveable work surface, is also provided. A system for machining a work piece in accordance with ... 10/27/05 - 20050236552 - Automatic focusing apparatus and automatic focusing method Provided is an automatic focusing apparatus which comprises a photographing unit for photographing a transmitted light generated by applying a light to an observation target from a light source, an index value operation unit for performing operation to obtain an index value indicating focus information of the observation target from ... 08/04/05 - 20050167567 - Device and method for pixel generation, and apparatus and method for image projection A device is provided for generating a pixel of an image, including a rotatable disk element arranged to be selectively rotatable between: a maximum luminance position, in which it blocks a minimum portion of a light path; a minimum luminance position, in which it blocks a maximum portion of the ... 07/28/05 - 20050161578 - Optical inertial reference unit for kilohertz bandwidth submicroradian optical pointing and jitter control A device providing an inertially stabilized laser beam as an optical reference. The device consists of a base and a small stabilized optical platform that emits the laser beam. The platform connects to the base through a mechanical flexure that allows relative motion in two axes. High-bandwidth angular rate sensors ... ### FreshPatents.com Support |