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WO/2004/102227A2 |
In an embodiment of the invention the circuit for monitoring an optical signal detector comprises a current divider current mirror and a current multiplier current mirror. The current divider current mirror has a mirror leg and a primary...
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WO/2004/099865A2 |
A photon-counting Geiger-mode avalanche photodiode intensity imaging array includes an array of pixels (200), each having an avalanche photodiode (250). A pixel senses an avalanche event and stores, in response to the sensed avalanche ev...
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WO/2004/097880A1 |
The invention relates to electrovacuum electronic engineering, in particular to photoemission semiconductor devices operating in a visual and near-ultraviolet region. Said devices can be used for developing a novel class of efficient pho...
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WO2004081861A9 |
An automatic card counter (20) with a housing (22) with an open front with a card deck assembly (24) having a front opening to a card counting location and an underlying support for a stack (29) of cards (30) such as may be contained in ...
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WO/2004/093318A2 |
Effective differential dynamic range in a differential pixel detector (70) is increased by avoiding saturation effects due to common mode contribution in optical energy to be detected. Photocurrent generated by each photodetector (Da) pa...
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WO/2004/084262A2 |
A liquid lens, according to the electrowetting principle, is used in an imaging system to affect the optical axis of the imaging system. In particular, a seal compartment having a first side and an opposing second side is used to dispose...
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WO/2004/066339A1 |
An alkali metal generating agent (1) for use in forming a photoelectric surface emitting a photoelectron corresponding to an incident light or a secondary electron emission surface emitting a secondary electron corresponding to an incide...
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WO/2004/059692A1 |
A method for detecting interference energy in a sliding door safety system (10) comprising the steps of disposing at least one emitter (11) along a first vertical surface, disposing at least one receiver (17) corresponding to the at leas...
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WO2004008488A9 |
A ganged-detector pixel cell is used in a device having an array of such pixel cells to construct an x-ray and gamma-ray radiation energy imaging device. The ganged detector pixel cell comprises a detector pixel array of two or more dete...
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WO/2004/046691A2 |
An uncaging device (1) includes an ucaging light source (3) that directs uncaging light (2) at a work area (21), uncaging light (2) is collected and focused by parabollic reflector (4) onto optical homogenizer (6), an iris (7) and shutte...
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WO/2004/036539A2 |
A passive optical marker for use in accordance with an electronic whiteboard system that selectively allows a reflector associated with the optical marker to be exposed to a light emitting source. Thus, the optical marker of the present ...
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WO/2004/036269A2 |
A single, hard-mounted set of optics is utilized to replace a two field-of-view system for directed countermeasures. It includes within one continuous but distorted field of view the capability to detect, acquire and characterize targets...
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WO/2004/019609A2 |
In an image sensor which utilizes a charge multiplying photoconversion element, a first inventive feature protects a pixel circuit from breakdown due to excessive voltage from the photoconversion element by connecting a protection circui...
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WO/2004/015549A2 |
An input device (10), to provide input to a computer system, includes a body (12) defining multiple fluid channels (26). A movable element (28) is located within each of the fluid channels (26) so as to be movable and responsive to a flu...
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WO/2004/001285A2 |
This application relates to an apparatus (Fig. 3) and method for providing patterned illumination fields for use within process control and article inspection applications. More specifically, it pertains to the use of patterned illuminat...
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WO/2003/107088A2 |
An image intensification camera system (C) for gathering image data includes an image intensifier (310) for amplifying received light (312). A relay optic assembly (316) is coupled between the image intensifier (310) and a digital image ...
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WO/2003/107386A1 |
A semiconductor photoelectric surface comprises a support substrate (10), a photoelectric surface (30) which is formed by forming multiple semiconductor layers on the support substrate (10), and emits photoelectrons from a photoelectron ...
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WO/2003/105460A2 |
An imaging camera includes a housing that defines a proximal end and a distal end. A Fresnel lens is installed in the proximal end of the housing. Moreover, a reflection mode photocathode is installed in the distal end of the housing opp...
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WO/2003/087739A1 |
A substrate (18), a cathode (20), and an anode (22) are housed in a space defined by a casing (10), and the space is evacuated. The cathode (20) and the anode (22) are provided on the same face of the electrically insulating substrate (1...
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WO/2003/088273A1 |
A porous electroconductive material having light transmitting property which comprises a porous glass and, formed on the outer surface thereof and also on the surface inside fine pores thereof, an electroconductive oxide film; and a meth...
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WO/2003/077319A2 |
An x-ray and gamma-ray radiant energy imaging device is disclosed having a temperature sensitive semiconductor detector substrate bump-bonded to a semiconductor CMOS readout substrate. The temperature sensitive, semiconductor detector su...
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WO/2003/071570A1 |
A transmitting type photoelectric cathode comprising a light absorbing layer (1) formed of diamond or a material mainly containing diamond, a support frame (21) for reinforcing the mechanical strength of the light absorbing layer (1), a ...
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WO/2003/049017A1 |
There is described a method, a sensing device as well as an optical pointing device including a sensing device for comparing light intensity between pixels. Light intensity between pairs of pixels of a photodetector array is compared as ...
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WO/2003/043045A2 |
An electron-emitting photocathode (100) includes a base (102) and a large number of projecting elements (104) such as microscopic wires projecting from a surface of the base (102). The photocathode (100) has high quantum efficiency, and ...
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WO/2003/039242A1 |
The invention relates to a novel method for simple and direct determination of the actual photosynthesis (the gross photosynthesis), the light respiration and the uptake and emission of CO2, O2 and H2O in connection with photosynthesis a...
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WO/2002/095437A2 |
The invention provides a system and method for generating a sequence of primary signal pulses (220) in a primary signal pulse source at intervals $g(t)¿s?(250); recording detection by a primary signal pulse detector of at least two puls...
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WO/2002/080223A1 |
The invention provides devices, device configurations and method for improved sensitivity, detection level and efficiency in mass spectrometry particularly as applied to biological molecules, including biological polymers, such as protei...
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WO/2002/077675A2 |
A multi-element optical detector system includes an electrically resistive screen (12) that is substantially transparent to radiation energy (14) having a wavelength of interest. A plurality of electron transfer elements (18,32) (e.g., a...
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WO/2002/065751A2 |
A low light level image (140) directed to a photocathode (142) in a vacuum (148) causes release of electron which bombard a CMOS imager (147) including passive pixel sensors which in turn generates an electronic image which is fed out of...
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WO/2002/050858A1 |
A semiconductor photocathode comprising a light absorbing layer (2) having a thickness (t2) of 0.2 $g(m)m to 0.19 $g(m)m. By limiting the thickness of the light absorbing layer (2), the part of lower electron density in one electron grou...
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WO/2002/041349A1 |
UV beams shone from a surface layer (5) side pass through the surface layer (5) and reach a light absorption layer (4). Beams reached the light absorption layer (4) are absorbed in the layer (4) to generate photoelectrons in the layer (4...
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WO/2002/027283A1 |
A liquid scintillation counter (10), which is an optical measurement apparatus, is provided with an HPD (24), a charge amplifier (26), a voltage amplifier (28), a comparator (30), a counter (32), a multi-channel analyzer (34), a CPU (36)...
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WO/2002/023690A1 |
A large current watchdog circuit for a photodetector (12), the circuit including a current sensing device (52) responsive to current flowing through the photodetector (12), and a variable impedance transistor (50) responsive to the curre...
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WO/2002/011168A1 |
A photocathode 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...
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WO/2002/001595A2 |
A hybrid photon detector with a photocathode in reflective mode where the same vacuum tube components acts both as a perfect incoming light concentrator and as a perfect focusing electron lens and the photoelectrons are electrostatically...
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WO/2001/086691A1 |
A metal bypass (2), a glass light receiving plate (3) and stem plate (4) form a sealed container (5) for a photomultiplier tube. A piercing portion (20) provided at a one-end opening (A) of the bypass (2) is piercingly buried in the glas...
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WO/2001/082382A1 |
Ultra-low leakage current backside-illuminated semiconductor photodiode arrays are fabricated using a method of formation of a transparent, conducting bias electrode layer that avoids high-temperature processing of the substrate after th...
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WO/2001/079981A1 |
The position of a light blocking object in a display screen and in even a region outside the display screen can be measured. By using the position sensing function of sensing a position outside the display screen, a virtual button is pro...
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WO2000038217A9 |
A hybrid detector (100) or imager includes two substrates (102, 106) fabricated under incompatible processes. An array of detectors (104), such as charged-coupled devices, are formed on the first substrate using a CCD fabrication process...
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WO/2001/072470A1 |
A detection apparatus for detecting the process end point in the removal process of a layer on a wafer in an IC or other semiconductor device manufacturing process. This point can be detected in-situ and at high precision even when there...
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WO/2001/063025A1 |
A polycrystalline diamond thin film which has an average particle size of at least 1.5 $g(m)m and a peak intensity in the vicinity of wavelength of 1580 cm?-1¿ in a Raman spectrum obtained by a Raman spectroscopy having a ratio of up to...
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WO/2001/056059A1 |
Apparatus (10, 50, 80) for controlling a gated power supply of an image intensifier having a micro-channel plate (14, 54, 86) includes a current-to-voltage converter (19, 59, 89) coupled to the micro-channel plate (14) operable to conver...
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WO/2001/054157A1 |
A cathode (5) for emitting photoelectrons or secondary electrons comprises a nickel electrode substrate (5c) with an aluminum layer (5b) deposited on it; an intermediate layer (5a) consisting of carbon nanotubes formed on the aluminum la...
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WO/2001/052297A1 |
A photoemissive surface (10) includes a p-type silicon substrate (11), a porous silicon area (12) formed on the p-type silicon substrate (11), an Au electrode (13) formed on the porous silicon area (12), and an ohmic electrode (14) forme...
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WO/2001/026162A1 |
A photo-interrupter having a low-cost construction and capable of mounting a light-emitting element device and a light-receiving element device to a concave case. The photo-interrupter (1) houses a light-emitting element device (6) and a...
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WO/2001/006571A1 |
A low light level system is described wherein electrons, created by images directed to a photocathode (31), directly bombard active pixel sensors. Both the active pixel sensors and the output end of the photocathode are positioned in a v...
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WO/2000/066938A1 |
A Diffuse Reflective Light Curtain System comprises at least one light curtain defining a border of a work zone for a robotic machine. Each light curtain comprises a primary board having multiple wells formed therein. Light emitting diod...
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WO2000020851A9 |
A charged particle beam detection system (10) that includes a Faraday cup detector array (FCDA) for position-sensitive charged particle beam detection is described. The FCDA is combined with an electronic multiplexing unit (MUX) (2) that...
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WO/1999/067692A1 |
The invention relates to a method for controlling by eletrical means the interelectrode distance of such a micromechanical electrode structure (7, 8) in which at least one electrode (7) is attached elastically suspended on the surroundin...
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WO/1999/059186A1 |
A small-sized electronic tube in which a photoelectric surface is efficiently cooled while preventing the formation of dew. A housing (20) has an airtight structure that encloses a case (21) and a socket (23). A photomultiplier tube (10)...
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