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7359640 |
Optical coupling device and method for bidirectional data communication over a common signal line
Optical coupling device operates over a bidirectional data link between at least first and second communicators, each communicating data along a common wire of the data link. The device includes at...
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7326916 |
Optical submarine transmission system
A main line cable and a backup line cable are laid in a land portion in different routes. A land terminal station includes a break detecting unit that detects a break of the main line cable, and a...
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7324089 |
Optical device for optical mouse
The present invention relates to an improved optical device for optical mouse, being installed inside the case body of the optical mouse, comprising: a LED, a lens mount, a sensor and a digital...
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7250597 |
Measuring and adjustment device for an alignment optical system and adjustment method thereof
Avoiding an illumination light irregularity to the utmost under increasing degree of integration and the memory capacity by suppressing a light amount irregularity on the illumination pupil plane...
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7211784 |
Photo-detection device and temperature distribution detection device using the same
A photo-detection device comprising a base plate made of an insulation material and having a plurality of through holes formed in the base plate at a substantially equal distance, a plurality of...
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7173235 |
Apparatus for optically reading target
In an apparatus for optically reading a target based on a light reflected from the target, a light source has a first optical axis and operates to emit light. An imaging optical system has a second...
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7170648 |
Device for scanning register marks into a polychrome printing machine
Scanning device ( 1 ) for register marks ( 21, 22, 31, 32 ) printed onto a substrate ( 2 ) travelling into a polychrome printing machine. This device comprises at least one light source ( 3, 4 )...
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7112780 |
Detector unit
The invention relates to a detector unit which is made for connection to an optical bus which is formed by detector units of the same type arranged adjacently. The detector unit has a light...
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7091492 |
Imaging device comprising optically coupled fiber optic plate assembly
A fiber optic plate assembly is provided for transferring optical signals to a detector or other optical element within an imaging device or imaging system. The fiber optic plate assembly comprises...
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7087887 |
Optical multiphase flow sensor
Waveguide sensors having a side-polished coupling port at the waveguide cladding to sense a material based on material-specific optical attenuation by evanescent coupling at the coupling port.
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7057158 |
Optical subassembly for high speed optoelectronic devices
A high speed interface for optoelectronic devices is disclosed that includes a housing adapted to receive a distal end of a fiber having a slanted end face. The end face of the fiber is optically...
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7053360 |
Capacitive type control member having a touch sensitive detector
The member comprises: a support structure presenting a control zone, said control zone having a through hole; a non-conductive elastic covering covering a control face of the control zone, at least...
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6914231 |
Optical shuffle/interconnect system
An optical shuffle/interconnect system having an imaging system defining an input image plane and an output image plane. An optical perfect shuffle is combined with the imaging system for...
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6885016 |
Switching power supply circuit using a silicon based LED for feedback
Flyback power supplies require three chip integrated circuits to control the switching cycles on the primary of a transformer including a chip that detects when a voltage threshold and optionally...
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6835923 |
Method and apparatus for self-monitoring of proximity sensors
The present invention relates to proximity sensors. It also relates to proximity sensors in electronic devices using lightguides. More specifically the invention relates to a simple self monitoring...
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6768099 |
Device for detecting a parameter associated with the state of a vehicle, especially an automobile
The invention relates to the detection of parameters that are representative of a state associated with an automobile windscreen ( 1 ), by optical means. The inventive device comprises a module (...
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6723978 |
Fiber 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...
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6670604 |
Light detection equipment in components with optical access
A light detection equipment in a component with at least one optical access includes a light conveyor having a first terminal part faced inside the component through an optical access. The first...
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6614015 |
Detector of stains on a transparent plate surface
A detector of stains on a transparent plate surface is arranged on an internal surface of the plate and includes an emitter for emitting a modulated light signal towards the inside of the plate and...
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6531692 |
Optical coupling assembly for image sensing operator input device
An emitter lens is provided between the radiation source and the work surface to be illuminated. The emitter lens collects radiation and reshapes the illumination pattern to increase intensity and...
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6472655 |
Remote amplifier for an optical transmission system and method of evaluating a faulty point
A remote amplifier of the present invention includes an optical splitter and an optical combiner respectively connected to an input and an output thereof. One end of the split output of the...
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6388248 |
Control voltage isolation system for electrical rotating apparatus utilizing fiber optics and associated method
An isolation system is provided for generating a control voltage in a low voltage control system that is representative of the input voltage in a high voltage power system of an excitation system,...
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6376851 |
Opto-coupler applications suitable for low efficiency silicon based LEDs
Isolation circuits are shown which can be implemented using low efficiency LEDs such as those that can be made directly on silicon. Using silicon based LEDs results in reduced cost and facilitates...
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6359690 |
Apparatus, system and method for determining wear of an article
A system for determining wear of an article including an optical fiber for transmitting light from a light source. The optical fiber is embedded in the article, and operatively coupled to an...
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6321010 |
Optical microstructure and method of manufacture
An article and method including an optical fiber coupled to a microstructure which is easily manufactured. The microstructure is comprised of a plurality of layers including a receptacle layer and...
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6320177 |
Method and apparatus for generating a control signal
A method and apparatus for generating a control signal which corresponds to movement of an object in contact with a first surface are described. The apparatus includes a platen having the first...
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6307197 |
Optoelectronic component and method for calibrating an optoelectronic component
A method for calibrating an optoelectronic component having a light emitter/receiver unit and a connection unit includes the steps of setting an initial relative position of a first part and a...
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6262414 |
Optical probe
An optical probe includes a rod-shaped microlens provided with a refractive index distribution in a radial direction, and an evanescent light generating portion formed on a first end face of said...
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6222179 |
Fiber optic control having joystick
A fiber optic control device comprises a joystick having fixed thereon a pivot ball to enable the stick to have universal pivotal movement. The control has a base provided with a socket in which...
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6207949 |
Method and apparatus for stabilizing attenuators in optical networks
A methodology and concomitant circuitry wherein an optical attenuator, having a range of settings including a minimum attenuation, is set to a pre-selected value less than the minimum attenuation...
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6160255 |
Laser-based photoacoustic sensor and method for trace detection and differentiantion of atmospheric NO and NO.sub.2
A laser-based photoacoustic sensor performs trace detection and differentiation of atmospheric NO and NO 2 in order to obtain respective concentrations for NO and NO 2 using photoacoustic...
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6157027 |
Modular optical fiber color image scanner with all-optical scanner head having side-coupled light guide for providing illumination light to the scanner head
A scanner has an optical-electric module, an incoherent fiber bundle, and a scanner head. The incoherent fiber bundle has illumination fibers and pickup fibers. The illumination fibers carry only...
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6140634 |
Sensor for measuring electrical current strength and/or voltage
Sensor for measuring the electrical current strength and/or voltage. Magneto-optical sensor (1) for measuring the current strength (I), with the aid of the temperature-dependent Verdet constant...
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6087653 |
Light guide implementation of a proximity detector
A proximity detector structure comprising a pair of light guides which are optically isolated from each other, each of the light guides having an end surface at one end thereof, a light source for...
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6078712 |
Connecting cable for control units
A cable for connecting control units of powered supports to each other to prevent simultaneous movement of two adjacent powered supports in underground mining. The cable includes plug housings, at...
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6064059 |
Device for detecting the level of humidity on a pane
An arrangement for detecting moisture conditions on a pane, particularly a windshield of a motor vehicle, wherein radiation emitted by a transmitter is coupled by a radiation guide into the pane...
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6052238 |
Near-field scanning optical microscope having a sub-wavelength aperture array for enhanced light transmission
A metallic film has apertures located therein in an array arranged in a pattern so that when light is incident on the apertures, surface plasmons on the metallic film are perturbed resulting in an...
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6002139 |
Image input device having a refractive index light guide and lenses
An image input device includes a light source, a light guide for guiding the light, a first and a second low refractive index layer formed on surfaces of the light guide, the first and second low...
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5998782 |
Water drop detector on transparent substrate
A windshield (transparent substrate) 1 having the function of detecting the presence of water drops W upon one side surface of the windshield depending upon variations in an amount of reflected...
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5966238 |
Method for imaging of documents
A method of arranging an item imager with a least two imaging site, each lit by a beam through a fibre-optic array, this method including: providing a beam-intensity-adjust array including a lens...
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5956150 |
Laser mount positioning device and method of using same
The invention provides a simple, accurate, low-cost, and repeatable method for using an illumination device (110) to facilitate the alignment of two components (120, 160) during an assembly...
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5930111 |
Overhead installed communication equipment
An overhead installed communication system includes a cabinet body which includes an electronic circuit device and a door which is supported by the cabinet body through a hinge so that the door can...
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5821530 |
Coadunate emitter/detector for use with fiber optic devices
A coadunate emitter/detector assembly for use with fiber optics. A housing has a socket for receiving an end face of a fiber optic or thin bundle of fiber optics. A detector is mounted in the...
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5808293 |
Photo detector with an integrated mirror and a method of making the same
An integrated photonics device is described. The integrated photonics device includes a photo detector having an active area. A substrate has a side surface intersecting a top surface of the...
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5747795 |
Photoelectric detector for a register control device within a rotary printing machine
A detector comprises a row of scanning devices arranged in front of a web to extend transverse to the direction of movement of the web. Each device includes one or two optical illumination fibers...
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5740291 |
Fiber optic sensor for sensing particle movement in a catalytic reactor
An optical probe for sensing presence of small moving particles passing through a defined sensing region comprises: i) an emitter optic fiber for transmitting from its tip radiant energy...
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5732172 |
Laser pulse sampler
The Laser Pulse Sampler (LPS) measures temporal pulse shape without the problems of a streak camera. Unlike the streak camera, the laser pulse directly illuminates a camera in the LPS, i.e., no...
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5721426 |
Optical transmitting/receiving module having communication lines coupled by a single lens
An optical transmitting/receiving module including a light emitting element, a light receiving element, a transmitting optical communication line for transmitting an optical signal, a receiving...
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5677787 |
Automatic imaging of documents
A lamp projecting a high-intensity optical beam of spectral radiation, with an IR-extracting (cooling) array including an IR-dissipating "black-box" arranged to receive IR and convert it to...
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5641956 |
Optical waveguide sensor arrangement having guided modes-non guided modes grating coupler
An optical waveguide sensor arrangement for sensing at least one physical parameter is provided. This arrangement comprises an optical waveguide having guided modes, lossy non-guided modes, and a...
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