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Class 250/227.11 - Light conductor


Subclass of Class 250 - Radiant energy
Definition: Subject matter including an optical fiber or rod, made of
No. of patents: 1013
Last issue date: 05/22/2012


1                      
NumberTitleIssue Date
8183519Light concentrating module
A light concentrating module includes an optical film having a light incident surface and a light outgoing surface facing the light incident surface, an optical wedge element having a first surface, a second surface facing the first surface and having an angle with ...
05/22/2012
8178829Wafer prescence detector with end effectors having optical couplers and fibers
The presence of a workpiece on an end effector of a vacuum robotic handler is detecting using any of a number of non-contact techniques in which some or all of the detection hardware is positioned outside a vacuum chamber that encloses the vacuum robotic handler. Va...
05/15/2012
8164043Optical module with fiber holding ferrule
An optical module is configured such that it is not susceptible to fine particulate matter when an optical fiber is inserted into a fiber insertion hole thereof. The optical module is also configured to prevent any reduction in the optical coupling efficiency and de...
04/24/2012
8153955Electric field sensor and method for fabricating the same
An electric field sensor is obtained by directly forming an electrooptical film of Fabry-Perot resonator structure on a polished surface at a tip of an optical fiber by an aerosol deposition method. ...
04/10/2012
8049159Optical transmitter-receiver subassembly and optical transmitter-receiver module
An optical transmitter-receiver subassembly including a light-emitting element which converts a current into an output optical signal, a light-receiving element which converts an input optical signal from an optical fiber into a current, a planar lightwave circuit w...
11/01/2011
7977622Tuning an optical resonator using a feedback signal representing an average DC balanced coding
Various embodiments of the present invention relate to systems and methods for monitoring and tuning detector and modulator resonators during operation. Aspects of the present invention use DC balanced coding of data in optical signals tune and monitor the performan...
07/12/2011
7952064Device and method for processing and/or analyzing image information representing radiation
A method for processing and/or analyzing image information representing radiation in a spatially resolved manner using an optical system coupled to at least one detector includes the step of collecting said image information with said optical system using at least o...
05/31/2011
7939792Noise resistant light-powered transceiving adapter
A light-powered data acquisition and control system immune to electromagnetic interference employs smart sensors in a network configuration capable of decentralized communication. A smart sensor with integral transducer encloses a microprocessor, fiber optic transce...
05/10/2011
RE42178Fiber optic conversion system and method
A fiber optic conversion method is provided that includes receiving a first electrical signal. A second electrical signal is received. The first and second electrical signals are compared. A float signal is generated when the first and second electrical signals comp...
03/01/2011
7847235Laser obstacle ranging and display
A novel laser obstacle warning and ranging system, for detecting hard-to-see long and thin obstacles in particular, comprises a fiber laser including a signal diode, a circulator, an erbium doped fiber, a wavelength division multiplexer, a narrow band reflector, a f...
12/07/2010
7825366Methods and systems for extracting energy from a heat source using photonic crystals with defect cavities
Methods and systems for extracting energy from a heat source using photonic crystals with defect cavities generally comprise a photonic crystal, a cavity, and a converter. The photonic crystal is responsive to a heat source and generates an electromagnetic beam in r...
11/02/2010
7825365Fiber-optic harness testing apparatus and related methods
A fiber optic harness testing apparatus and method of forming termini for a harness testing apparatus, are provided. The apparatus can include an analyzer to determine an attenuation value between an electrical form transmit test signal and an electrical form return...
11/02/2010
7800046Light detection power system and method for same
The invention concerns a light detection power system (105). The system can include a solar cell charging circuit (120) having at least one solar cell (116) in which the solar cell charging circuit can provide power to a power source (114...
09/21/2010
7786427Proximity optical memory module having an electrical-to-optical and optical-to-electrical converter
A memory module is formed of multiple memory chips and an optical interface chip fixed on a substrate. The chips are interconnected by proximity communication (PxC) in which each chip includes transmitting and receiving elements, such as electrical pads which form c...
08/31/2010
7767957Arrangement for monitoring electric devices on stray light arcs
The invention concerns an arrangement for monitoring electrical equipment for the emergence of accidental arcs. The object is to more reliably recognize the occurrence of an arc on lines, cables and/or contact sites or in devices than has been possible with previous...
08/03/2010
7759633Optical sensor for monitoring electrical current or power
The present invention provides an optical sensor for monitoring current or power in a monitored element of a device such as a bridge-wire or hot-wire of electro-explosive devices. The optical sensor comprises an optical sensor made of semiconductor material. The sem...
07/20/2010
7741598Optical interrogation system and method for using same
An optical interrogation system and a method are described herein that enable the interrogation of one or more biosensors which can be located within the wells of a microplate. In one embodiment, the optical interrogation system has a tunable laser, N-fiber launches...
06/22/2010
7687763Noise resistant light-powered sensor
A light-powered data acquisition and control system immune to electromagnetic interference employs smart sensors in a network configuration capable of decentralized communication. A smart sensor with integral transducer encloses a microprocessor, fiber optic transce...
03/30/2010
7671323Semiconductor apparatus and light detection method
A semiconductor apparatus includes an optical waveguide provided within a semiconductor region and above an insulating layer, and a plurality of photodetectors provided at the optical waveguide. The plurality of photodetectors includes insulated-gate field-effect tr...
03/02/2010
7659503Image sensor module and light guiding member used for the same
An image sensor module includes a light source, a light guide elongated in a first direction, a reflector covering the guide, and a light receiver for linear light reflected on a reading target in a second direction perpendicular to the first direction. The guide in...
02/09/2010
7629570LED lighting system for use in environments with high magnetics fields or that require low EMI emissions
This invention is a non-ferrous lighting fixture and non-ferrous lighting system that can be used in areas with high magnetic fields or that require low EMI emissions, such as MRI operating rooms. This invention uses LED's to provide a high-intensity, quality white ...
12/08/2009
7629571Light measurement apparatus
The invention relates to a light measurement apparatus (34), having a light source to which a light guide apparatus (24) is connected, with the light guide apparatus (24) having a light outlet area (30) on the light output side and the li...
12/08/2009
7619205Image forming apparatus having photo sensors capable of detecting objects of different widths using photocouplers of the same configuration
A photo sensor of the invention includes a photo coupler having a light emitting element and a light receiving element arranged and disposed to be spaced from each other by a specified interval, and a prism capable of being coupled to the photo coupler, having an op...
11/17/2009
7615735Random number generation using a scattering waveguide
The present invention provides a method and apparatus for random number generation using a scattering waveguide. The apparatus includes a light source for providing coherent light and a scattering waveguide for receiving the coherent light and providing scattered li...
11/10/2009
7579581System for optically detecting an electrical arc in a power supply
A system for optically detecting an electrical arc in a power supply. The system includes a light pipe, a photodetector optically coupled to the light pipe, and a signal processor connected to the photodetector. ...
08/25/2009
7573019Light detecting apparatus, illumination optical apparatus, exposure apparatus and exposure method
A light detecting apparatus which can be arranged even in an optical path of which converting angle is relatively large, and can accurately detect light entering along a predetermined direction in an optical path. The light detecting apparatus (10) for detect...
08/11/2009
7573020Optoelectronic probe system with all-optical coupling
An optoelectronic probe system with all-optical coupling includes an optoelectronic measuring console coupled with an optoelectronic probe via an optical connector. A supplemental optical signal having an operative wavelength other than an operative wavelength of th...
08/11/2009
7569807Light source with photosensor light guide
The present invention provides a light source comprising one or more light-emitting elements, one or more photosensors and, a photosensor light guide, such as, for example, a substantially planar light guide. The photosensor light guide is generally configured to ca...
08/04/2009
7511259Smart integrated distributed light-powered process control system
A light-powered data acquisition and control system immune to electromagnetic interference employs smart sensors in a network configuration capable of decentralized communication. A smart sensor with integral transducer encloses a microprocessor, fiber optic transce...
03/31/2009
7482574Light guide having an elongate shape with dual concave shaped end and electronic device using light guide
Disclosed are a light guide (750) and an electronic device including a light guide for coupling ambient light to a light sensor. The light guide (750) that is a structure of light-transmitting material having an elongate shape including a first end (
01/27/2009
7468505Fiber optic current sensor system and method for detecting lightning
A system for lightning detection is provided. The lightning detection system includes a conductor configured to receive a lightning strike and transmit a lightning induced current. The system also includes a fiber optic current sensor configured to detect multiple l...
12/23/2008
7465916Optical detection sensor
One embodiment of the present invention provides an optical detection sensor configured so as to irradiate exit light emitted from a light source onto an object to be measured, the object being disposed a relative distance away from an end face of a first optical fi...
12/16/2008
7432821Fiber optic measurement of bearing surface wear
A propeller shaft is supported on the stern end of a ship hull by a bearing within which optic fiber cables are embedded in close spaced relation to the outer cylindrical surface of a bearing supported portion of the propeller shaft for a monitoring wear thereof wit...
10/07/2008
7427731Illumination unit and method for the operation thereof
An illumination unit comprising a high-power light source (1), a first optical element (12) for focusing the light emitted from the high-power light source (1), a photometric h...
09/23/2008
7426322Plasmon photocatalysis
Plasmons on a waveguide may deliver energy to photocatalyze a reaction. The waveguide or other energy carrier may be configured to carry electromagnetic energy and generate plasmon energy at one or more locations proximate to the waveguide, where the plasmon energy ...
09/16/2008
7423265Near-field aperture having a fractal iterate shape
Near-field electromagnetic devices having an opaque metallic screen with a fractal iterate aperture are provided. More specifically, the aperture is obtained by application of a self-similar replacement rule to an initial shape two or more times. Alternatively, the ...
09/09/2008
7417235Particle detector for secondary ions and direct and or indirect secondary electrons
A multi-purpose efficient charge particle detector that by switching bias voltages measures either secondary ions, or secondary electrons (SE) from a sample, or secondary electrons that originate from back scattered electrons (SE3), is described. The basic version o...
08/26/2008
7408146Signal light transmitting apparatus, signal light transmitting system using the same, and signal light transmitting method
A signal light transmitting apparatus from which signal light is led into a transmission optical fiber, the transmission optical fiber transmitting the led signal light, includes: a signal light power changer which changes power of signal light led thereto, the chan...
08/05/2008
7406217Plasmon photocatalysis
Plasmons on a waveguide may deliver energy to photocatalyze a reaction. The waveguide or other energy carrier may be configured to carry electromagnetic energy and generate plasmon energy at one or more locations proximate to the waveguide, where the plasmon energy ...
07/29/2008
7394953Configurable integrated optical combiners and decombiners
System, devices and methods are described that provide an integrated optical decombiner or optical combiner having both unamplified paths and amplified paths on which power monitoring and control may be located. A preferred multiplexing/demultiplexing optical path t...
07/01/2008
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