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JP3840214B2 |
To reduce a sensitivity degradation due to the reflection by a silicon oxide film in contact with the silicon surface of a photodiode in the conventional photoelectric transducing apparatus, and to reduce the increasing ratio of 1/f nois...
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JP2006523074A |
Effective differential dynamic range in a differential pixel detector is increased by avoiding saturation effects due to common mode contribution in optical energy to be detected. Photocurrent generated by each photodetector pair is dire...
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JP2006520888A |
A photon arrival time detector has the form of a photocathode 4 from which a photoelectron is ejected by an incident photon. The photoelectron is accelerated by an applied voltage to a CCD sensor 6 . The voltage between the photocathode ...
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JP3812206B2 |
To reduce the effect of the position displacement between a shielding member and light receiving elements by providing a plurality of central detection light receiving elements on a reference axis. A right detection light receiving eleme...
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JP3806514B2 |
To provide a photoelectric surface having sensitivity to the short wavelength component of ultraviolet rays and also provide its manufacturing method. This manufacturing method carries out epitaxial growth of crystal to a light absorbing...
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JP3806515B2 |
To provide a semiconductor photo-electric cathode capable of increasing quantum efficiency by forming a semiconductor optical absorption layer with high crystallinity. This semiconductor photo-electric cathode has a semiconductor optical...
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JP3795455B2 |
A large current watchdog circuit for a photodetector, the circuit including a current sensing device responsive to current flowing through the photodetector and a variable impedance transistor responsive to the current sensing device and...
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JP2006179467A |
To provide a photoelectric element, a lamp using this, and a display panel.The photoelectric element comprises a substrate (10), a conductive electric field reinforcement layer (12) which is formed on the substrate and has a plurality of...
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JPWO2004066338A1 |
The present invention relates to an alkali metal generator for forming a photoelectric surface or a secondary electron emitting surface capable of stably generating an alkali metal. The alkali metal generator (1) is used to form a photoe...
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JPWO2004066337A1 |
The present invention relates to an alkali metal generator for forming a photoelectric surface or a secondary electron emitting surface capable of stably generating an alkali metal. The alkali metal generator (1) is used to form a photoe...
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JP3762535B2 |
To provide a photoelectric cathode which absorbs light rays to be detected with a wavelength of 225 nm or longer and emitting photoelectrons to vacuum and to provide an electron tube provided with the photoelectric cathode. This photoele...
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JP2006060816A |
To provide an enhanced photoelectric image sensor and method.A photoelectric image sensor 10 according to the present invention is provided with a screen to be biased (bias screen) and electron collector 11, and an electron discharge pho...
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JP2006503299A |
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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JP2006010686A |
To provide a color sensor circuit that overcomes a defect related to a problem of space efficiency and temperature dependence.The color sensor circuit has (a) a light detector 120 that receives light, generates a signal depending on the ...
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JP2006012303A |
To provide an optical pickup which improves power reduction of a laser beam by using a two wavelength monolithic laser diode, can perform successful recording and reproduction and also attain cost reduction of an optical system.A laser f...
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JP2006013407A |
To solve the problem that the photo-sensor of a thin-film transistor has quite a minute light volume so that it is difficult to feed back a sensed light volume.A sensing circuit is added to the photo-sensor of the thin-film transistor fo...
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JP3734570B2 |
To provide an electron tube which is embodied in a small size and can be assembled easily. An electron tube 1 is composed of a case 10, input face plate 21, stem 31, semiconductor element 40, and anode electrode 60. The case 10 contains ...
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JP3728352B2 |
To provide an electronic tube which is embodied in a small size and can be assembled easily. An electronic tube concerned 1 is composed of a case 10, input face plate 21, stem 31, semiconductor element 40, and anode electrode 60. The cas...
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JP2005345286A |
To form an optical sensor capable of outputting with a binary value on a substrate such as a display panel.This optical sensor has a photodiode 112 reversely biased so that a current corresponding to a light receiving quantity flows, and...
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JP2005339843A |
To provide a photocathode and an electron tube capable of detecting light of a comparatively long wavelength and enabled to be manufactured in a simple manufacturing process.The electron tube 10 is provided with a photocathode 11, a posi...
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JP2005536930A |
An image sensor includes a pixel having a protection circuit connected to a charge multiplying photoconversion layer. The protection circuit prevents the pixel circuit from breaking down when the voltage in the pixel circuit reaches the ...
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JP2005320004A |
To provide a signal mirror, which is lighter, has a small volume, emits greater lightness, is constructed more sturdily, and/or produces illumination and/or signal distinguishable easier.The invention includes a housing 202 and at least ...
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JP2005310854A |
To enhance the efficiency of a drive circuit for driving a light emitting device.The drive circuit for driving a white LED 20 comprises a charge-transfer device, a capacitor coupled to the charge-transfer device, and a step-up circuit 50...
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JP2005304022A |
To hold an output of a photo diode to a predetermined value, and to prevent it from the saturation of a reception circuit caused by over output power and self destruction of the photo diode.An optical reception circuit according to the p...
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JP2005292083A |
To provide a sensitivity distribution measuring method and apparatus for a photosensor capable of grasping a sensitivity characteristic of the photosensor in detail.This sensitivity distribution measuring apparatus 2 is provided with an ...
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JP2005291864A |
To receive a light signal even if background light is enhanced, while preventing the deterioration of S/N of a received signal, in a device for receiving the light signal through a photodiode.In this light signal receiving device, a resi...
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JP2005531000A |
This application relates to an apparatus 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 illuminators to en...
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JP2005260954A |
To provide an optical/digital converter which has simple circuit configuration and whose cost is reduced.With regard to conversion of light intensity to digital signal, the current output of a photodiode representing light intensity is c...
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JP2005233776A |
To simplify a manufacturing process for a distance detector by dispensing with optical axis adjustment on a Fresnel lens.The Fresnel lens 6a is integrally molded with an inner casing 1c. In their molding, the Fresnel lens 6a is kept from...
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JP2005233775A |
To provide a distance detector with relaxed accuracy for actualizing an airtight structure.An adhesive 10 is applied to a window frame 1f of a resin part 1c forming the external shape of a first case part 1a. A projection window part 1d ...
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JPWO2003087739A1 |
The substrate 18, the cathode 20, and the anode 22 are housed in a space defined by the casing 10, and the space is evacuated. The cathode 20 and the anode 22 are provided on the same surface of the electrically insulating substrate 18, ...
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JP2005183538A |
To provide a light receiving element of a simplified constitution for obtaining a signal for controlling the APD avalanche amplification factor, and to provide an optical receiver having the same.The optical receiver 1 has an optical sig...
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JP3654480B2 |
To provide a light-electric current converter which can respond at high speed, make the current amount to be converted higher, and lower noise much more. It is so designed that a plurality of small needle shaped electron emitting sources...
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JP2005140767A |
To provide a nondestructive three-dimensional surface analysis method for three-dimensionally and precisely analyzing the surface of a specimen and the interior of the specimen from the surface to a prescribed depth.This three-dimensiona...
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JP3642664B2 |
To provide a photo-electric cathode which is applicable for both reflection type or permeation type electron tubes gives higher quantum efficiency than a crystal diamond thin film and provide an electron tube equipped with the cathode. T...
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JP2005101711A |
To enhance the reliability and manufacture yield of a solid state imaging device.On the surface 2a of a wiring board 2, a sensor chip 3 and a lens-barrel 4 for containing the sensor chip 3 are mounted, and the lens-barrel 4 is coupled wi...
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JP2005094004A |
To provide a photodetector having a specially improved quantum efficiency without conventional technical defects.The photodetector based on a semiconductor, silicon in particular, comprises: a detector body (1.1) having a detector surfac...
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JP2005506851A |
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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JP3626313B2 |
An electron tube (1) in which a side tube (10) and a faceplate (21) are sealed together using a malleable metal (23) with a low melting point. The metal (23) is made to spread out along the outer surface of the faceplate (21) due to pres...
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JP3623068B2 |
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JP2005030972A |
To provide a photomultiplier module with a shutter, to achieve size reduction.In the photomultiplier module 1 with the shutter, a head-on type photomultiplier 3 is housed in a dark box 2, in which the front surface of the dark box 2 is c...
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JP3615857B2 |
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JP3615856B2 |
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JP2004336320A |
To provide a light receiving amplifier device provided with an APD (avalanche photodiode) capable of preventing the self-destruction of the APD even when strong light is input and capable of suppressing power consumption.The light receiv...
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JP2004311784A |
To provide a photodetector which can be surface mounted stably on a circuit board, for example, and to provide its mounting method.A light receiving element 20 where a transparent conductive electrode 26 (first electrode), a semiconducto...
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JP2004281829A |
To provide an inexpensive and miniaturized chip sensor.In the chip sensor 1, a wiring pattern and a land pattern not shown in Fig. are formed on the upper surface of a substrate 2 which is a printed circuit board (PCB) composed of a glas...
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JP2004260230A |
To provide a photoelectric current / voltage conversion circuit for suppressing distortion caused by a difference between the width of an input waveform and the width of an output waveform and distortion caused by a difference between th...
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JP3565535B2 |
To provide a photocathode, which has high spectral sensitivity over a wide wavelength range, and an electron tube using the same. A photocathode includes a sapphire substrate, an active layer formed from Inx1(Aly1Ga1-y1)1-x1N on the subs...
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JP3547901B2 |
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JP2004187168A |
To provide circuit structure capable of holding input voltage to a signal detection circuit constant without depending on voltage to be applied on an optical current monitor terminal.The circuit structure is applied to an optical receive...
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