Matches 151 - 200 out of 978 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
6087660 Night vision device and method  
A night vision device (NVD) includes a control circuit having an acceleration-responsive switch. When the NVD is in a generally horizontal use position, the acceleration-responsive switch enables a...
6078643 Photoconductor-photocathode imager  
A high resolution radiation sensitive imager includes a radiation sensitive photoconductive target for forming an image in response to incident radiation, a light sensitive cathode arranged in...
6078039 Segmental tube array high pressure gas proportional detector for nuclear medicine imaging  
A structure for detecting radiation, useful in an imaging camera for nuclear medicine, comprising a plurality of tubes, each of said tubes having (1) an electrically conductive wall structure...
6072170 Switch particularly suited for image intensifier tube system  
A cathode switch particularly suited for an image intensifier tube (IIT) is disclosed. The cathode switch provides cathode pulses to turn "on" and n "off" the IIT tube and does so with reduced...
6069352 Intensity control system for intensified imaging systems  
An improved intensity control system for an intensified imaging system allows continuous viewing through an intensified imaging system while protecting saturated areas from the negative effects of...
6069445 Having an electrical contact on an emission surface thereof  
A photocathode device for use in an image intensifier of a night vision device, the device having a faceplate fabricated from an optically transparent material and a photoemissive semiconductor...
6064055 Night vision device having fine-resolution image intensifier tube, microchannel plate for such an image intensifier tube, and method of making  
A night vision device (10) includes an improved fine-resolution microchannel plate (22) having a multitude of microchannels (32). The microchannels (32) are defined in groups (32a, 32b), with each...
6052432 Method of generating multiple x-ray images of an object from a single x-ray exposure  
An x-ray image intensifier includes a photoconductive x-ray detector having an electro-optic light modulator disposed on a photoconductive detector layer. The photoconductive x-ray detector absorbs...
6049079 Apparatus for detecting a photon pulse  
6045677 Microporous microchannel plates and method of manufacturing same  
A microchannel plate and method of manufacturing same is provided. The microchannel plate includes a plate consisting of an anodized material and a plurality of channels which are formed during the...
6040657 Thin faceplate image intensifier tube having an improved vacuum housing  
An improved image intensifier tube has electrically operative components that include a photocathode having a photoemissive layer, a microchannel plate (MCP) having a conductive input surface and a...
6020684 Electron tube with improved airtight seal between faceplate and side tube  
To provide an electron tube having good airtightness and being appropriate for mass production, indium affixed to the inner surface of a sealing metal support member is provided between a side tube...
6016034 Method for forming supported thin layers of non-evaporable getter material and getter devices formed thereby  
A method for forming a supported thin layer of non-evaporable getter (NEG) material and a getter device formed thereby are provided. A suspension comprised of non-evaporable getter (NEG) material...
6005239 Image intensifier  
In an image intensifier comprising an entrance faceplate, made of a material transparent to light, having a photoelectric surface, formed on a surface opposite to a light entrance surface, for...
5990944 Streak tube sweeping method and a device for implementing the same  
A streak tube sweeping method in which a synchronization scan sweeping signal of a fixed repetition frequency is applied to vertical deflection plates in a streak tube, causing an electron beam,...
5991359 Camera system  
A camera system for recording a transient radiation event consisting of direct (2) and scattered (4) radiation. The camera system comprises a first fluorescent screen (10) which produces a light...
5981935 Radiological image intensifier tube having an aluminum layer  
The disclosure relates to radiological image intensifier tubes comprising a vacuum electron tube and a luminescent observation screen comprising means to improve the contrast of the image. These...
5973315 Multi-functional day/night observation, ranging, and sighting device with active optical target acquisition and method of its operation  
A multi-function day/night observation, ranging, and sighting device with active acquisition of optical targets includes a single objective lens and a single eyepiece lens and provides an image of...
5962843 Night vision having an image intensifier tube, improved transmission mode photocathode for such a device, and method of making  
A night vision device includes an image intensifier tube, which includes a photocathode responsive both to white light and to infrared light to release photoelectrons. The photocathode is...
5949065 Sweep generator circuit for a streak camera  
A sweep generator circuit generates a primary pulsed voltage and a secondary voltage which are applied to the deflection plates of a streak camera. A primary pulsed voltage generator includes at...
5949063 Night vision device having improved automatic brightness control and bright-source protection, improved power supply for such a night vision device, and method of its operation  
A night vision device includes an improved power supply which operates the image intensifier tube of the device according to a variable duty cycle either at a design voltage level for the tube or...
5943174 Night vision monocular device  
A monocular night vision device comprising an objective lens assembly for receiving low intensity light; an image intensifier assembly comprising a variable gain image intensifier tube having an...
5942747 Night vision device with voltage to photocathode having a rectified half-sine wave component  
A night vision device which applies a time-varying voltage to the photocathode of the device during periods of high average light intensity from a scene being viewed. The purpose of applying this...
5936230 High light collection X-ray image sensor array  
An assembly is provided for detection of radiation directed through an object. A phosphor converter disposed to receive the radiation pattern generates visible light representative of the radiation...
5925877 Optical beam spatial pattern recording device  
The pair of vertical deflection electrode plates 13 in the double sweeping streak camera are supplied with a voltage of a sawtooth wave in synchronization with the input optical beam pulses. The...
5917282 Electron tube with electron lens  
This invention relates to an electron tube which stabilizes the orbits of electrons accelerated and focused by an electron lens and has a structure for effectively suppressing noise generated due...
5909309 Method and apparatus for correcting geometrical distortions in an intensified imaging system  
A method and apparatus to correct and eliminate optical anomalies and geometrical distortions in an intensified imaging system, specifically a night vision system. An image is received from the...
5907150 Multi-function day/night observation, ranging, and sighting device and method of its operation  
A multi-function day/night observation, ranging, and sighting device includes a single objective lens and a single eyepiece lens and provides an image of a scene. The single objective lens leads to...
5902996 Mounting assembly for image intensifier tube in optical sight  
The invention comprises a mounting assembly for an image intensifier tube in an optical sight. In accordance with one embodiment of the invention, a mounting assembly (152) may include a housing...
5900624 Photoconductive optical correlator  
An optical correlator for correlating incident optical signals is described. The correlator comprises a transmission line in close juxtaposition to a photoconductor. The photoconductor may be...
5886341 Photodetection tube with a slidably adapted cathode substrate  
A photomultiplier includes a cathode supporting member, arranged in a tube and comprised of a conductive material, for holding a photocathode, and a holding mechanism, comprised of a heat...
5886344 Corona detector with narrow-band optical filter  
A corona detector for detecting a corona associated with a remote object. In one embodiment, the corona detector employs an optical filter having at least one passband centered at a wavelength...
5883381 Night vision device having series regulator in power supply for MCP voltage control  
A night vision device having a power supply which delivers a high voltage level to its microchannel plate (MCP) through a variable resistance device. The voltage to the MCP is monitored and used to...
5883380 Night vision device, improved image intensifier tube for such a device having reduced particulate contamination and method of making  
A night vision device includes an improved image intensifier tube providing an image with reduced dark spots caused by microscopic particulate contamination in the tube. A method of processing...
5869842 Mux and demux circuits using photo gate transistor  
MUX and DEMUX circuits using a photo gate transistor having a pair of thin film electrodes respectively serving as emission and collector electrodes. When photons with at least critical energy are...
5866897 Optical waveform detecting device  
The optical trigger 22 outputs a trigger signal in. synchronization with a pulse beam falling incident on the photocathode 91 of the streak tube 90. The deflection voltage generator 50 applies a...
5864207 Photomultiplier with lens element  
A photomultiplier includes a photocathode (3); an electron multiplier section (60) for cascade-multiplying photoelectrons emitted from the photocathode (3); a faceplate (2) provided with the...
5852291 Low profile night vision goggle having a fiber optic element  
A night vision goggle system having an objective lens for viewing an image scene, an image intensifier tube for amplifying a received image scene, an eyepiece lens for presenting the amplified...
5828166 Image intensifier system incorporated into a removable lens daylight imaging system  
An intensifying system adapted to be affixed to an electronic imaging device such as a single lens reflex camera or a video camera. The system includes a central intensifying unit for intensifying...
5811932 X-ray detector having an entrance section including a low energy x-ray filter preceding a conversion layer  
An X-ray image intensifier tube (1) includes an entrance section (2) for converting high-energy X-rays of from 100 keV to 120 keV into an electron beam (10). The entrance section (2) had a...
5808733 Device for measuring feeble light and method thereof  
In a device for measuring feeble light and a method thereof, the device includes a feeble light amplifying device having a reaction chamber with two transparent windows as a constituent part, a...
RE35884 Flexible lead assembly for microchannel plate-based detector  
A microchannel plate (MCP)-based detector of reduced size employs a flexible multilayer printed circuit board as a lead assembly and enjoys increased ease of assembly and improved versatility.
5786932 Vision assisting apparatus  
A single eye vision device includes a head mount, a vision assist assembly mounted on the head mount for selectable positioning in front of an eye of a wearer and single lever operated positioning...
5756989 Color night vision goggles capable of providing anti-jamming protection against pulsed and continuous wave jamming lasers  
Color night vision goggles (NVG), e.g., binocular-style or monocular-style NVG, which include at least one channel. Each channel includes an objective lens for receiving input radiant energy from a...
5757118 X-ray image intensifier tube apparatus having magnetic shield  
In an X-ray image intensifier tube apparatus inc-luding a cylindrical magnetic shield placed to surround the outer periphery of an X-ray image intensifier tube, a ferromagnetic thin plate is placed...
5751380 Optical protection apparatus for use with night vision devices  
An optical protection apparatus for preventing the degradation by bright ht of the performance of night vision devices which includes a first lens for focusing bright light from a light source onto...
5747792 Circuit and method for preventing laser jamming of night vision goggles  
A method for preventing laser jamming of night vision goggles having a gated image intensifier device and a display for displaying an intensified image of a scene. The method includes the steps of...
5739522 Flat panel detector and image sensor with means for columating and focusing electron beams  
A flat panel image sensor is provided by combining the photoconductive imaging electrode of a vidicon with a two dimensional array of cold cathode field emitters commonly used for flat panel Field...
5729010 Night vision device localized irradiance attenuation  
A night vision device enhancement wherein occurrence of a bright object in an input scene of the night vision device is precluded from adversely affecting reproduction of adjacent low radiance...
5726438 Luminous flux measuring device with a gain-controlling slave circuit enabling the device to rapidly adapt to changes in flux  
A luminous flux measuring device has a gain slaving circuit (10, 9), that receives an electrical output signal (m) produced by a photoreceiver (1) and includes a gain control circuit (9) and a...
Matches 151 - 200 out of 978 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >