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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7301263 | Multiple electron beam system with electron transmission gates A multiple electron beam source comprises a photon source to generate a photon beam, a lens to focus the photon beam, a photocathode having a photon receiving surface and an electron emitting surface, and an array of electron transmission gates spaced apart from the... | 11/27/2007 |
| 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 opposite the detector in the pathway of the incident beam or to retra... | 11/20/2007 |
| 7294820 | Night vision system including field replaceable image intensifier tube A night vision goggle system is provided having an image intensifier tube that may be installed or replaced without requiring realignment of the optics. The image intensifier tube is coupled to a first locating feature that is in a predetermined relationship to the ... | 11/13/2007 |
| 7253960 | Head-up display device with rotationally asymmetric curved surface A display device for displaying information is provided with an optical system for guiding the light of the display device to the eye, the optical system having, in the order in the proceeding direction of the light, an entrance face for receiving the light, a curve... | 08/07/2007 |
| 7251400 | Absorptive clad fiber optic faceplate tube A limiter device is used as a fiber optic faceplate (FOFP) night vision goggle for limiting light or laser induced damage on a vacuum side of the FOFP. The limiter device includes a plurality of longitudinally extending optical fibers, each bundled to each other to ... | 07/31/2007 |
| 7197217 | Method of making a fiberoptic light guide A method of making a fiberoptic light guide utilizes a hollow glass cladding blackened by chemical reduction. The cladding has a predetermined lead content and is heated to an elevated temperature in an atmosphere of substantially 100% hydrogen gas in a furnace. The... | 03/27/2007 |
| 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 the insulating tube is connected to an outer stem of the envelope. A... | 02/13/2007 |
| 7170058 | Device for assisting a person in rescue operations under hazardous situations An abnormality detection support device, suitable for a case where rescue operations are made under situations that visibility is disturbed by smoke due to fire, includes an infrared camera, a display which, at least when the infrared camera is in use, comes to be p... | 01/30/2007 |
| 7164135 | Image intensifier camera Disclosed is an image intensifier camera capable of rotating an image imaged therein. An image intensifier camera in accordance with the present invention includes an image inverse prism provided between a front lens group and an aperture stop in a fluoroscopic imag... | 01/16/2007 |
| 7139121 | Projection microscope This projection microscope (10) includes an elongate support member (12) carrying a stage assembly (22) between its ends, the stage assembly (22) having opposed sides and an associated specimen holder (28). A light emitting source ... | 11/21/2006 |
| 7095025 | Protective shroud for thermal imaging camera mounted to protective helmet In a combination wherein a thermal imaging camera having a front lens is mounted to a protective helmet, such as a firefighter's helmet, where the thermal imaging camera is not covered from above by any portion of the protective helmet, wherein a display is mounted ... | 08/22/2006 |
| 7064486 | Locking device for microchannel plate in image amplifier tube An image intensifier tube comprising a housing which holds a photocathode and a screen, wherein a microchannel plate is supported in a recess in an interior surface of an annular collar which is also held in the housing. ... | 06/20/2006 |
| 7049027 | Single battery housing assembly A battery housing for use with a night vision device. The housing is arranged to carry a single, easily replaceable battery and is carried by an electronic device such as a night vision device. ... | 05/23/2006 |
| 7019909 | Optical system, image display apparatus, and image taking apparatus A small optical system that is capable of widening an angle of view is provided. This optical system is provided with a first surface having a reflecting action and a second surface that reflects a light beam reflected on this first surface toward the first surface ... | 03/28/2006 |
| 7015641 | Reduced veiling glare cathode window A faceplate (F) for an image intensifier tube (10) for reducing veiling glare begins as a blank (36) of optical material of a desired glass composition having a shape that conforms substantially to a configuration of the faceplate (F) to be produced. A... | 03/21/2006 |
| 7012756 | Display optical system, image display apparatus, image taking optical system, and image taking apparatus A display optical system for guiding light from an image to an observer or a surface projecting an image thereon with a first optical system and second optical system. The first optical system having a first surface formed on a transparent body with a reflecting act... | 03/14/2006 |
| 7005795 | Electron bombardment of wide bandgap semiconductors for generating high brightness and narrow energy spread emission electrons A semiconductor source of emission electrons which uses a target of a wide bandgap semiconductor having a target thickness measured from an illumination surface to an emission surface. The semiconductor source is equipped with an arrangement for producing and direct... | 02/28/2006 |
| 6960879 | Distortion correction of an image intensifier The invention relates to the correction of distortion in an image intensifier comprising a primary screen intended for receiving first radiation and a secondary screen that emits second radiation that depends on the first radiation. The image intensifier furthermore... | 11/01/2005 |
| 6957992 | Image intensification tube An image intensifier tube includes a photocathode (20) with an active layer (52) providing an electrical spectral response to photons of light. The photocathode (20) also includes integral spacer structure (42) which extends toward and ph... | 10/25/2005 |
| 6957006 | Optical element and optical device using the same An optical element that realizes light path conversion of transmitting light at low loss, allows easy incorporation of functions such as light convergence or the like, and can be easily made into a compact size includes upper and lower main surfaces of a light path ... | 10/18/2005 |
| 6911643 | Night-vision device The invention relates to an especially monocular night-vision device comprising a lens (11) and lens systems (53, 57, 77) which project the light strengthened by means of a residual light amplifier (33) in a pre-determined wave range, onto a rec... | 06/28/2005 |
| 6898890 | Night-vision optical device having controlled life expectancy A night-vision optical device of the invention with controlled life expectancy contains a time measuring device built into the housing of the aforementioned device for measuring the accumulated time of active work of the device. In application to a night scope for a... | 05/31/2005 |
| 6765352 | Photocathode and electron tube A photocathode and an electron tube in which the photocathode plate can be securely fixed without using any adhesive. Even under the severe condition that a high vibration resistance is required or thermal stress occurs because of great temperature variation, it can... | 07/20/2004 |
| 6713668 | Solar energy converter and solar energy conversion system A solar energy converter includes: a light-concentrating instrument; an electron emitter in an insulated vacuum vessel, emitting electrons in a vacuum as a temperature rises by sunlight; an electron accelerator within the light-concentrating instrument; a cathode on... | 03/30/2004 |
| 6667572 | Image display apparatus using nanotubes and method of displaying an image using nanotubes An image display apparatus includes a nanotube assembly having a plurality of nanotubes arranged in an array. An optical excitation device is provided adjacent to the nanotube assembly. The optical excitation device includes a diffraction grating and a pi... | 12/23/2003 |
| 6657384 | Apparatus for measuring light intensity of excimer lamp Provided is a small-sized less expensive light-intensity measuring apparatus for measuring a xenon excimer lamp that radiates a light beam having a central wavelength of 172 nm for an intensity. The light-intensity measuring apparatus of the present invention ... | 12/02/2003 |
| 6657178 | Electron bombarded passive pixel sensor imaging A low light level image directed to a photocathode in a vacuum causes release of electron which bombard a CMOS imager including passive pixel sensors which in turn generates an electronic image which is fed out of the vacuum and is used to create useful i... | 12/02/2003 |
| 6653547 | Solar energy converter The solar energy converter comprises an electron emitter and an electron collector. They are provided separate from each other in a vacuum vessel. Solar energy in a wide range of sunlight spectrum can be efficiently converted into electric energy by movin... | 11/25/2003 |
| 6509701 | Method and device for generating optical radiation The present invention may be used in the field of microelectronics, in medicine as well as in the production of lighting appliances. The method and the device of the present invention are used for increasing the brightness of optical radiation sources pow... | 01/21/2003 |
| 6437491 | System for enhanced vision employing an improved image intensifier with an unfilmed microchannel plate The present invention comprises a photon detector and image generator, which includes a photocathode that receives photons from an image. The photocathode discharges electrons in response to the received photons. A microchannel plate with an unfilmed inpu... | 08/20/2002 |
| 6275270 | Video display and image intensifier system A video display system utilizing a video source and an image intensifier having a substrate. A video image source positions at the substrate to provide a photon signal. A photocathode element at the substrate converts the photon signal into electrons. An ... | 08/14/2001 |
| 6198090 | Night vision device and method A night vision device (10) with an image intensifier tube (14) includes an improved microchannel plate (22) which has an extraordinarily low indigenous population of gas molecules. Because of this low population of gas molecules, positive ions produced fr... | 03/06/2001 |
| 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 overexposure. A micromirror array (MMA) is used in conjunc... | 05/30/2000 |
| 6057639 | Photoemission apparatus with spatial light modulator A photoemission apparatus includes a spatial light modulator (2) and an integral photoemitter (5). A lens array (1) focuses light through the spatial light modulator (2) onto the photoemitter. Electrons emitted by the photoemitter (5) are deflected electr... | 05/02/2000 |
| 5977705 | Photocathode and image intensifier tube having an active layer comprised substantially of amorphic diamond-like carbon, diamond, or a combination of both A novel photocathode and image intensifier tube include an active layer comprised substantially of amorphic diamond-like carbon, diamond, or a combination of both. The photocathode has a face plate coupled to an active layer. The active layer is operable ... | 11/02/1999 |
| 5965982 | Side-on type photomultiplier The present invention relates to a versatile side-on type photomultiplier comprising a structure for improving the uniformity in light receiving sensitivity. Disposed on the outer peripheral surface of a sealed envelope of this photomultiplier is a restri... | 10/12/1999 |
| 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 particularly sensitive to infrared light at the 980 nm wavelength, ... | 10/05/1999 |
| 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 control the resistance to the variable resistance device ... | 03/16/1999 |
| 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 image intensifier tubes to reduce dark spots caused by such mi... | 03/16/1999 |
| 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 photocathode (3); a metal housing (1) accommodating the photocat... | 01/26/1999 |
