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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 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 interconnected fibers having electron-emissive surfaces, the fibers havi... | 03/24/2009 |
| 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 |
| 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, high sensitivity, low noise, and expensive focal plane array sensor. In ... | 10/16/2007 |
| 7276704 | Photomultiplier tube, photomultiplier tube unit, and radiation detector A photomultiplier tube, a photomultiplier tube unit, and a performance-improved radiation detector for increasing a fixing area of a side tube in a faceplate while increasing an effective sensitive area of the faceplate. In the photomultiplier tube, a side face (... | 10/02/2007 |
| 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 |
| 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 directly capped onto a portion of the stem that protrudes out from an ope... | 03/13/2007 |
| 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 (A) of the side tube (2). The edge po... | 12/12/2006 |
| 7067984 | Method and apparatuses for providing uniform electron beams from field emission displays The invention includes field emitters, field emission displays (FEDs), monitors, computer systems and methods employing the same for providing uniform electron beams from cathodes of FED devices. The apparatuses each include electron beam uniformity circuitry. The e... | 06/27/2006 |
| 7049753 | Method and apparatuses for providing uniform electron beams from field emission displays The invention includes field emitters, field emission displays (FEDs), monitors, computer systems and methods employing the same for providing uniform electron beams from cathodes of FED devices. The apparatuses each include electron beam uniformity circuitry. The e... | 05/23/2006 |
| 7026041 | Organic photosensitive optoelectronic device with an exciton blocking layer Organic photosensitive optoelectronic devices (“OPODs”) are disclosed which include an exciton blocking layer to enhance device efficiency. Single heterostructure, stacked and wave-guide type embodiments are disclosed. Photodetector OPODs having multilayer struc... | 04/11/2006 |
| 6992441 | MBE grown alkali antimonide photocathodes A photocathode manufacturing intermediary article (24) includes a substrate layer (26), and an active layer (20) that is carried by the substrate layer (26). The active layer (20) includes photoemissive alkali antimonide material t... | 01/31/2006 |
| RE38959 | Glasses for display panels and photovoltaic devices An aluminosilicate glass having a composition consisting essentially of, as calculated in weight percent on an oxide basis, of 58-70% SiO2, 12-22% Al2O3, 3-15% B2O3, 2-12% CaO, 0-3% SrO, 0-3% BaO, 0-8% MgO, 10-2... | 01/31/2006 |
| 6989632 | Photomultiplier A photomultiplier has a dynode cascade arranged radially rather than axially. Effective dynode area thereby can increase through the cascade, leading to improved linearity of response, and the axial length of the device can be reduced. The dynodes are sections of a ... | 01/24/2006 |
| 6946641 | Photomultiplier tube A metal side tube (2), a glass faceplate (3), and a stem plate ( ) constitute a hermetically sealed vessel (5) for a photomultiplier tube. An edge portion (20) is provided at on open end (A) of the side tube (2). The edge portion (... | 09/20/2005 |
| 6828544 | Active night vision system for vehicles employing anti-blinding scheme A night vision system for a vehicle includes a pulsed light source for illuminating a region proximate the vehicle, the light source operating at a predetermined pulse timing. A light sensor generates a light intensity signal in response to detecting light at approx... | 12/07/2004 |
| 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 |
| 6759800 | Diamond supported photocathodes for electron sources A photocathode as a source of electron beams, having a substrate of optically transmissive diamond and a photoemitter. A photocathode with a single emitting region provides a single electron beam; a photocathode with multiple emitting regions provides multiple elect... | 07/06/2004 |
| 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 |
| 6692820 | Organic photosensitive optoelectronic device with a charge blocking layer Organic photosensitive optoelectronic devices ("OPODs") which include an exciton blocking layer to enhance device efficiency. Single heterostructure, stacked and wave-guide type embodiments. Photodetector OPODs having multilayer structures and an exciton ... | 02/17/2004 |
| 6674062 | Method and system for gating a sensor using a gated power signal A system (300) for gating a sensor (118) includes a detector (120) that detects light and outputs a signal (102) corresponding to the light. A control unit (334) receives the signal (106), and enables and disables a power supply (314) in response to the s... | 01/06/2004 |
| 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 |
| 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 |
| 6586877 | Electron tube In an electron tube 1, a space S between a periphery part 15b of a semiconductor device 15 and a stem 11 is filled with an insulating resin 20. The insulating resin 20 functions as a reinforcing member while the electron tube 1 is assembled under high-tem... | 07/01/2003 |
| 6573640 | Photodetecting device and image sensing apparatus using the same A photodetecting device is characterized by comprising a photodetecting section having a photoelectric surface for emitting photoelectrons upon incidence of light, a semiconductor detection element having an electron incident surface on which the photoele... | 06/03/2003 |
| 6563264 | Photocathode and electron tube This photocathode comprises: InP substrate 1; InAsx2 P1-x2 (00.53) light-absorbing layer 3; InAsx3 P1-x3 (0 | 05/13/2003 |
| 6451415 | Organic photosensitive optoelectronic device with an exciton blocking layer Organic photosensitive optoelectronic devices ("OPODs") which include an exciton blocking layer to enhance device efficiency. Single heterostructure, stacked and wave-guide type embodiments. Photodetector OPODs having multilayer structures and an exciton ... | 09/17/2002 |
| 6376985 | Gated photocathode for controlled single and multiple electron beam emission A photocathode having a gate electrode so that modulation of the resulting electron beam is accomplished independently of the laser beam. The photocathode includes a transparent substrate, a photoemitter, and an electrically separate gate electrode surrou... | 04/23/2002 |
| 6369523 | Luminescence controlling apparatus, a luminescence apparatus, an image reading apparatus and an image forming apparatus A luminescence controlling apparatus includes a rare gas pipe equipped with a pair of electrodes in which rare gas is sealed, a power supply for impressing voltage to the pair of electrodes and an electric charge absorption member for absorbing electrons ... | 04/09/2002 |
| 6352777 | Organic photosensitive optoelectronic devices with transparent electrodes An organic photosensitive optoelectronic device optimized to enhance desired characteristics such as external quantum efficiency is described. The photosensitive optoelectronic device has at least two transparent electrodes and one or more organic photoco... | 03/05/2002 |
| 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 wafer bonded to the faceplate. The photoemissive wafer includ... | 05/30/2000 |
| 6060168 | Glasses for display panels and photovoltaic devices An aluminosilicate glass having a composition consisting essentially of, as calculated in weight percent on an oxide basis, of 58-70% SiO2, 12-22% Al2 O3, 3-15% B2 O3, 2-12% CaO, 0-3% SrO, 0-3% BaO, 0... | 05/09/2000 |
| 6015588 | Method for fabricating electron multipliers A method for fabricating an electron multiplier is provided. The method consists of depositing a random channel layer on a substrate such that the random channel layer is capable of producing a cascade secondary electron emission in response to an inciden... | 01/18/2000 |
| 6005882 | Electron pump An electron pump organized along the lines of a laser device has an interior chamber with a quartz crystal axially disposed around a metallic rod. The rod and crystal are surrounded by flash lamps, which stimulate the electrons therein to produce an elect... | 12/21/1999 |
| 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 |
| 5898268 | Apparatus and method for generating low energy electrons Apparatus (10, 30, 60) and a method for generating low energy electrons (26, 46) for neutralizing charges (16, 36, 66) accumulated on a wafer (14, 34, 64) is provided. The apparatus includes a photocathode (24, 44, 67) located within a predetermined dista... | 04/27/1999 |
| 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 an image at lower light levels. A back body adapter and a ... | 10/27/1998 |
| 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 detecting laser pulses from a jamming laser source and pro... | 05/05/1998 |
| 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 Emission Display (FED) systems. The FED operates normally ... | 04/14/1998 |
| 5594301 | Electron tube including aluminum seal ring An electron tube, such as, a photomultiplier, includes an aluminum seal ring 4 disposed between a Kovar cylinder 1, and a quartz faceplate 5 having a photocathode 6. The electron tube further includes a borosilicate stem plate 2, an anode 8, and a dynode ... | 01/14/1997 |
| 5371355 | Night vision device with separable modular image intensifier assembly A night vision device with a modular assembly includes an image intensifier module or assembly, which includes an image intensifier tube and a power supply. The image intensifier tube receives low-level light from a scene too dark to be viewed with the un... | 12/06/1994 |
