Matches 401 - 450 out of 979 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >
Match Document Document Title
4855586 X-ray detector tube with sidewall-supporting rear wall  
An X-ray detector tube comprising an essentially rectangular, elongate housing (1) having a forward wall, a rear wall and sidewalls, which tube has an elongate proximity focus image intensifier...
4855587 X-ray image intensifier tube with carbon-reinforced plastic foil entrance window  
An X-ray image intensifier tube comprises an entrance window which is composed of a carbon fibre reinforced plastics foil which is covered with a metal layer. The plastics foil has a comparatively...
4855589 Panel type radiation image intensifier  
A multistage, proximity type, radiation image intensifier tube having improved performance characteristics and more rugged construction is provided. A scintillator assembly is comprised of a first...
4853529 Light level responsive control for light intensifier in night vision system  
The image intensifier (22) of night telescope (12) is protected by a deactivate circuit (FIG. 4) which is in series with an off-on switch (S) between a source of electrical energy (28) and the...
4853595 Photomultiplier tube having a transmission strip line photocathode and system for use therewith  
A photomultiplier tube which may be used in time resolving a luminiscence profile emitted from a sample with picosecond resolution using short (picosecond) electrical pulses as a probe and in time...
4851659 High spatial resolution 2-D bistable light modulator  
In one voltage-driven embodiment, a high spatial resolution two-dimensional array of bistable completely cross-talk free light modulation elements is constituted as a lamination of an input...
4849755 Night vision goggle compatible alarm  
A visual alarm suitable for use with night vision goggles comprises a red incandescent lamp (105); a blue, green or blue-green electroluminscent panel (130); and control means to sequentially...
4847482 X-ray image intensifier with columnar crystal phosphor layer  
An X-ray image intensifier comprises a vacuum envelope having an input window, through which X-rays are incident on said vacuum envelope, an input fluorescent screen for converting the X-rays into...
4843229 High light level cutoff apparatus for use with night vision devices  
There is disclosed a high light level cutoff apparatus for use with night vision devices. The apparatus employs a digital method of timing implemented by a divider counter responsive to a crystal...
4839569 Method and apparatus for providing gain control for an image intensifier tube  
A photocathode current sensing circuit (58) is provided to adjust the electron accelerating voltage to a cone (32) and a phosphor screen (34) on an image intensifier tube (26). The voltage is...
4837482 Color picture tube having reduced local doming  
A color picture tube includes a rectangular shadow mask having a longer axis and a shorter axis. The shadow mask has a curved surface. A point of the curved surface of the shadow mask is...
4837631 Electronic still camera tube  
An electronic camera tube includes a transparent envelope enclosing an evacuated cavity, a photocathode layer on a first internal surface of the envelope and an array of storage electrodes on a...
4835379 X-ray sensitive camera pick-up tube  
An X-ray sensitive camera pick-up tube has an input end that has a circular glass surface that has areas of phosphor coating and of bare surface. The area of phosphor coating is a rectangle that...
4831249 X-ray intensifier tube comprising a separating layer between the luminescent layer and the photocathode  
The separating layer between the luminescent layer and the photocathode of the entrance screen in an X-ray image intensifier tube is formed by a layer which has a suitable optical transmission, a...
4827317 Time interval measuring device  
In a device for measuring the time interval between first and second optical pulses, the time interval between the first optical pulse and a first one of the train of reference optical clock pulses...
4827346 Electronic camera tube utilizing an array of charge storage cells for image storage and tunneling devices for readout  
An electronic camera tube includes a transparent envelope enclosing an evacuated cavity, a photocathode layer on a first internal surface of the envelope and an array of cells on a second internal...
4825067 Coupling means for aligning fiber optic bundles between X-ray image intensifier and image pickup tube  
An X-ray television apparatus includes an X-ray image intensifier and an imaging unit. The X-ray image intensifier converts an X-ray image into a visible image. The visible image is transmitted to...
4822994 Small arms sight for use during daylight and nighttime conditions  
There is disclosed a small arms sight assembly which enables a firearm such as a revolver or rifle to be employed for both nighttime and daytime use. The gun sight assembly includes a typical...
4822993 Low-cost, substantially cross-talk free high spatial resolution 2-D bistable light modulator  
In one voltage-driven embodiment, a high spatial resolution two-dimensional array of bistable completely cross-talk free light modulation elements is constituted as a lamination of an input...
4814599 Microchannel plate streak camera  
An improved streak camera in which a microchannel plate electron multiplier is used in place of or in combination with the photocathode used in prior streak cameras. The improved streak camera is...
4809309 X-ray examination apparatus with a locally divided auxiliary detector  
X-ray examination apparatus includes a detector array 32 for the detection of the light beam 10. The array is set up in such a manner that image information from substantially the entire output...
4805461 Transducer and systems for high speed measurement of shock loads  
A transducer and system for optically indicating the level of stress experienced during loading. The system is designed for use in shock loading conditions. The transducer uses a transducer piece...
4801796 Streak camera unit with elliptical deflection  
A streak camera having two pairs of orthogonal deflecting electrodes for producing elliptical waveform patterns. The sweep frequency is synchronized with a repetitive light source, and the...
4797747 Streak camera device having a plurality of streak tubes  
A streak camera device comprising plural streak tubes generating a plurality of tube outputs for simultaneous measurement of a plurality of separate characteristics of a light emissions, the plural...
4794246 Universal passive night vision system  
A method and apparatus for arranging primary optical apparatus to provide a high degree of adaptability to other vision equipment. The primary optical apparatus (10) includes a housing (90) with a...
4792673 Graticule illuminator for an image intensifier  
A night sight provided with an image intensifier may have an externally mounted graticule for aiming. It is known to provide a graticule illumination system for a graticule injected onto the...
4779942 NVG compatible red light  
Night Vision Goggle compatible red lighting in which the red light does not adversely affect the gain of the night vision goggles yet is visible to the unaided eye. The red light is filtered by a...
4767207 Apparatus for measuring transmission characteristics of an optical fiber  
An apparatus for measuring transmission characteristics of a short optical fiber comprises a streak tube having a photoelectron-emitting surface for receiving through a connector light pulses...
4755664 Night vision systems  
A vehicle night vision system comprising a headgear mounted night vision goggle 11 incorporating an image intensifier which produces an intensified image of a scene forward of the goggle...
4755725 High intensity light shut-down circuit for night vision goggle  
A circuit for automatically removing battery power from a night vision goggle (10) upon its detachment from a headgear (12) or when subjected to excessive light. A magnet (34) on the headgear (12)...
4752681 X-ray image intensifier having a crystalline conductive film on the input screen  
An X-ray image intensifier includes an input screen. The input screen has a base plate, a phosphor layer formed on the base plate, a transparent conductive film formed on the phosphor layer, and a...
4749906 Multiple beam lasertron  
The invention relates to multiple beam lasertrons. The n (n: integer greater than 1) electron beams of the lasertron are obtained from the same laser beam from which n secondary laser beams are...
4740684 Streak camera with refractive light beam conditioner  
A streak camera for measuring light rays which vary at high speed comprises a refractive member for receiving and bending a light beam to a substantially slit-shaped form, and a streak tube...
4740683 X-ray image intensifier with phosphor layer of varying thickness  
An X-ray image intensifier includes an input surface and an output surface facing the input surface. The input surface has a base and a phosphor layer formed on the base and having a predetermined...
4740685 Double sweep streak camera device  
The double sweep streak camera device of the present invention includes a streak tube having a pair of first deflecting electrodes for forming a deflecting electric field in the direction of a time...
4737623 Canal structure of an electron multiplier  
A canal structure of an electron multiplier, especially for an X-ray image intensifier, comprises several perforated metal dynodes which emit secondary electrodes and between each of which a...
4734573 Image intensifier with additional power supply  
An image intensifier with an internal power supply that produces 20,000-25,000 Hz. noise in the output screen voltage is provided with an additional power supply coupled to the output screen...
4730107 Panel type radiation image intensifier  
A multistage, proximity type, radiation image intensifier tube having improved performance characteristics and more rugged construction is provided. A scintillator assembly is comprised of a first...
4730106 Optical fiducial timing system for X-ray streak cameras with aluminum coated optical fiber ends  
An optical fiducial timing system is provided for use with interdependent groups of X-ray streak cameras (18). The aluminum coated (80) ends of optical fibers (78) are positioned with the...
4728786 Stereo image intensifier  
A stereo imaging apparatus using a single image intensifier is comprised of an input responsive to incident radiation corresponding to first and second views. An image intensifier is responsive to...
4727427 Electronic imaging camera system with phosphor image receiving and storing device  
An electronic image camera system including an image receiving and storing device therefor comprises a stimulable phosphor, and a multiple electrode configuration associated therewith for storing a...
4725724 Radiographic image intensifier  
An x-ray image intensifier including an input screen 3 having a radiation transparent support 7 on which is applied a fluorescence layer 8 of CsI, a translucent conductive barrier layer 9 which...
4724354 Image intensifier for producing a color image having a color separation filter sequentially passing visible blue light and its second order wavelengths, visible green light and its second order wavelengths, and visible red light  
A color separation filter arrangement for an image intensifier having separate blue, green and red filters which respectively have pass bands for visible blue light and its second order...
4718761 Instrument for concurrently measuring ultra-high-speed light signals on a plurality of channels  
An instrument concurrently measuring the ultra-high-speed light signals on a plurality of channels, and consisting of a streaking tube, optical means, deflection voltage generation means, a...
4714825 System for calibrating the time axis of an X-ray streak tube  
A system for calibrating the time axis of an X-ray streak tube comprising a light source for generating a train of light pulses and an X-ray tube including a photocathode for receiving the light...
4712001 Transient analysis system using a photonic sampler device  
The photonic sampler device increases the dynamics of analysis of the transients by increasing the number of samples, and comprises a recording tube formed so as to receive a single optical channel...
4709140 High speed light detection tube  
A high speed light detection tube consists of a planar photoelectron source of transparent type, a photoelectron collection electrode arranged in parallel with the photoelectron source and an...
4704522 Two dimensional weak emitted light measuring device  
A two dimensional weak emitted light measuring device for determining and indicating the intensity and location of single photon light emitted from a specimen excited by radiation. The device...
4698496 Image dissector tube with light filter  
Photoelectric detection device comprising a vacuum chamber provided with a window having a substrate which bears a photocathode on the internal surface of the vacuum chamber is sensitive to...
4697783 Quick release night vision goggle mounting bracket  
A bracket (10) for releasably engaging a goggle (14) to a headgear (12). The bracket (10) includes a receptacle (52) with inside tapered sidewalls (124) matable with a goggle stud (55) having...
Matches 401 - 450 out of 979 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >