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7619728 |
Methods and systems for in-situ machinery inspection
Methods and systems for inspecting rotatable machine components are provided. The system includes a fiber optic port configured to extend through a first aperture of a machine casing wherein the...
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7619199 |
Time-resolved measurement apparatus and position-sensitive election multiplier tube
A time-resolved measurement apparatus ( 100 ) reads a detection timing pulse from an MCP ( 24 ) in a front-side MCP stack ( 30 ) in a photomultiplier tube ( 14 ). A detection timing of a photon is...
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7601042 |
Secondary emission electron gun using external primaries
An electron gun for generating an electron beam is provided, which includes a secondary emitter. The secondary emitter includes a non-contaminating negative-electron-affinity (NEA) material and...
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7589309 |
Imager system for an automated microscope
An imager system is disclosed comprising a image intensifier and a CMOS image sensor. The system provides fast capture speed and high sensitivity.
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7579575 |
Electron multiplying solid-state image pickup apparatus, method and computer program product for adjusting electron multiplying gain
An electron multiplying solid-state image pickup apparatus which obtains a desired electron multiplying gain through adjusting a voltage applied to an electron multiplying gate electrode includes...
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7557503 |
Streak tube including control electrode having blocking portion between a photocathode and an anode
A streak tube 1 A comprises an envelope 10 including an entrance faceplate 12 ; a photocathode 20 for converting light received from the entrance faceplate 12 into an electron; an anode 23...
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7535185 |
Method and system for implementing power reduction algorithms in a night vision system power system
A night vision system comprising a power system having a low voltage unit coupled to a high voltage unit. The low voltage unit includes a low voltage controller and a low voltage table correlating...
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7514664 |
Night-vision system including field replaceable image intensifier tube
A night vision system has an image intensifier tube that may be installed or replaced without requiring realignment of the optics. A first locating feature may be coupled to the image intensifier...
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7508131 |
Electron multipliers and radiation detectors
Electron multipliers, radiation detectors, and methods of making the multipliers and detectors are described. In some embodiments an electron multiplier has a structure including a plurality of...
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7498557 |
Cascaded image intensifier
A cascaded image intensifier device is presented. In one embodiment the device comprises: at least two sections in cascade, each of a first section and a last section out of the at least two...
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7495229 |
Multi-anode radiation detector
A nuclear radiation detector is disclosed wherein the capacitance of the detector is significantly reduced. This improvement results in more efficient and accurate measurements of radiative...
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7491918 |
Electron beam detection device and electron tube
An insulating tube has one end and another end. An avalanche photodiode (APD) is provided outside the one end of the insulating tube. The another end of the insulating tube is air-tightly connected...
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7489077 |
Multi-anode type photomultiplier tube
A glass container has a faceplate, a side tube, and a bottom. A photocathode is formed on the inner side of the faceplate. The glass container includes a partitioning wall, a shield electrode, a...
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7482571 |
Low cost planar image intensifier tube structure
An image intensifier tube is provided. The image intensifier tube has a microchannel plate (MCP), a photocathode and phosphor screen deposited on a fiber optic substrate. A first spacer is...
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7479623 |
Method of controlling the charging of a photomuliplier tube including sampling at least one of the dynodes for determining its voltage
A photomultiplier tube circuit with reduced power consumption comprising a photomultiplier tube having a plurality of dynodes, charging circuitry for providing charge to the plurality of dynodes...
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7476838 |
Photoelectric imaging sensor and two-dimensional output electrode array used therein
A photo cathode converts an incident light into photoelectrons. A photomultiplier kept vacuum inside thereof, amplifies photoelectrons converted by the photo cathode. Photoelectrons intensified by...
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7459662 |
Photomultiplier tube circuit including means for sampling the voltage of at least one dynode
A photomultiplier tube circuit with reduced power consumption comprising a photomultiplier tube having a plurality of dynodes, charging circuitry for providing charge to the plurality of dynodes...
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7446296 |
Streak device
A streak apparatus includes: a vacuum container 10 having an electron beam source 20 provided on one end side to emit an electron beam E and an output section 60 provided on the other end...
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7429724 |
Low profile wire bond for an electron sensing device in an image intensifier tube
An electron sensing device for receiving electrons from an output surface of an electron gain device includes a silicon die having an active surface area for positioning below the output surface of...
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7427733 |
Gated image intensifier
A gated optical image intensifier 10 is provided with multiple intensifying channels 20, 22, 24, 26 each supplied with radiation via a respective optical channel of an optical splitter. The...
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7425694 |
Time-resolved measurement apparatus
A time-resolved measurement apparatus ( 100 ) acquires a detection timing pulse from an output terminal ( 34 ) attached to a micro channel plate ( 30 ) in a photomultiplier tube ( 14 ). A...
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7420153 |
Low-light viewing device having camera assembly with image signal containing visible light and infrared energy components and method for controlling same
A digital low-light viewing device comprises a housing having a first end and an opposing second end, the first end defining an optical input aperture and the second end defining an optical output...
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7408173 |
Cold electron emitter
An electron emitter provides a photocell having at least one photosensitive side, an electron accelerator, an electron collector disposed between the photosensitive side of the photocell and the...
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7408142 |
Microchannel amplifier with tailored pore resistance
A microchannel amplifier includes an insulating substrate that defines at least one microchannel pore through the substrate from an input surface to an output surface. A conductive layer is formed...
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7378636 |
Method of evaluating non-linear optical crystal and device therefor and wavelength conversion method and device therefor
A method of evaluating a non-linear optical crystal used for non-linear wavelength conversion of laser beam which enables the non-linear optical crystal to be evaluated before the crystal is...
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7369302 |
Day/night weapon sight assembly for use on weapon without change in eye relief
A day/night weapon sight assembly that consists of daytime sight and a nighttime sight allows the use of both sights without change in eye relief even when the nighttime sight is attached to the...
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7368699 |
Segmented image intensifier
According to some embodiments of the invention, an image intensifier is provided. The image intensifier comprises a layer of electrically isolated electrode segments each able to receive an...
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7342216 |
Photomultiplier system and a microscope
A photomultiplier system includes a detector tube, a power supply unit, and a thermal isolation element. The power supply unit provides an accelerating voltage for operating the detector tube. The...
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7339153 |
Photon counting methods and devices with electrical pulse duration and intensity measurement
Photon counting electronics and method that allow for counting single photons with sensitivity, linearity, and accuracy. The method for accurately counting photon numbers entering a photon...
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7332700 |
Photomultiplier tube with dynode modulation for photon-counting
In a photomultiplier tube (PMT) device having a plurality of dynodes provided between a cathode and an anode, a cancellation circuit provides two different modulation signals to the PMT to cancel...
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7319219 |
System for handling light for intensification by an image intensifier
The application disclose a system for handling light that is amenable for intensification by an Image Intensifier and a method for handling the same, wherein the system includes light regulating...
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7301147 |
Method and system for communicating pulse width in a night vision system power system
A night vision system including a power system having a low voltage unit coupled to a high voltage unit. The low voltage unit includes a low voltage controller and a low voltage table correlating...
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7297924 |
Imaging device with focus switching means for day and night vision
An optronic observation device including a detector having a photocathode and a sensor arranged to receive an incident light beam. The device also including a switch to position an optical element...
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7285783 |
Multi-anode type photomultiplier tube and radiation detector
A side tube includes a tube head, a funnel-shaped connection neck, and a tube main body, which are arranged along a tube axis and which are integrated together into the side tube. The size of a...
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7283166 |
Automatic control method and system for electron bombarded charge coupled device (“EBCCD”) sensor
Automatic control method and system for EBCCD sensor. The invention relates to a novel protective method of operating the Electron Bombarded Charge Coupled Device (EBCCD), a recently developed,...
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7282692 |
Light receiving method of an avalanche photodiode and a bias control circuit of the same
The present invention provides a method to maintain a multiplication factor of an avalanche photodiode independent on temperatures without additional devices. The light-receiving apparatus of the...
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7282690 |
Display of indicator lights in night vision devices using fiber optic screen
A night vision device includes an image intensifier tube and a fiber optic screen disposed in operative relationship to each other. The fiber optic screen includes a longitudinal bundle of multiple...
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7259362 |
Imaging arrangement and method for high-speed imaging
An electro-optic device is disclosed which has a plurality of independently-gatable portions. One example is an image intensifier having a number of segmented photocathode areas (GP). The...
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7248001 |
Method and system for modulating frequency in a night vision system power system
A night vision system including a power system having a low voltage unit coupled to a high voltage unit. The low voltage unit includes a low voltage controller and a low voltage table correlating...
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7238928 |
Photomultiplier with particular stem/pin structure
The edges of portions of a base member that are joined to stem pins are arranged as bottom surfaces of recesses formed in the stem so that the stem pins are joined to the base member at gradual...
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7235768 |
Solid state vision enhancement device
A method and device for overcoming drawbacks with commonly used prior art image intensifier tubes by providing a vision enhancement capability useful during daytime as well as nighttime. The method...
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7211778 |
Night vision goggle with separate camera and user output paths
A night vision device comprising a first detector, a beam splitter, a user optical output and a camera. The first detector is configured to detect and transmit a scene image in a first spectral...
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7189956 |
Photomultiplier and radiation detector
In a photomultiplier, a ring-like side tube is not interposed between a side tube and a stem in the radial direction, and the side tube is joined to the ring-like side tube in a state of being...
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7186965 |
Distance sensor and method for detecting a distance
An indirect detection of the reflected radiation pulses, when measuring a distance by means of the photoeffect, allows considerably expanding the usability of the distance sensor and the distance...
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7176429 |
Electron tube
In an electron tube, one end of an insulating tube is protruded toward the inside of an envelope, and an avalanche photodiode (APD) is provided on the one end of the insulating tube. Another end of...
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7173237 |
Ruggedized digital low-light viewing device
A digital low-light viewing device comprises a housing having a first end and an opposing second end, the first end defining an optical input aperture and the second end defining an optical output...
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7157681 |
Photomultiplier tube gain stabilization for radiation dosimetry system
Methods and means for measuring and adjusting the gain of a photomultiplier tube (PMT), or other photo-detector with electron multiplication gain, for the purpose of achieving accurate light...
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7157680 |
Photon arrival time detection
A photon arrival time detector has the form of a photocathode 4 from which a photoelectron is ejected by an incident photon. The photoelectron is accelerated by an applied voltage to a CCD sensor...
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7148461 |
Photomultiplier tube with enchanced hermiticity
A metal side tube ( 2 ), a glass faceplate ( 3 ), and a stem plate ( 4 ) constitute a hermetically sealed vessel ( 5 ) for a photomultiplier tube. An edge portion ( 20 ) is provided at on open end...
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7141926 |
Photomultiplier tube with improved light collection
Photomultiplier tubes with improved collection of incident radiation, especially from the periphery of the front face of the tube, and that more efficiently couple the collected radiation to the...
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