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JPS5518702U |
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JPS551663B2 |
1414400 Cathode materials and processing RCA CORPORATION 23 May 1973 [2 June 1972] 24533/73 Heading H1D A negative effective electron affinity electron emitter is formed by heating a P-type Si body in vacuum at 1100-1420‹ C., applying ...
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JPS5435467B2 |
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JPS54129259U |
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JPS54100551U |
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JPS5418126Y2 |
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JPS5482554U |
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JPS5466764A |
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JPS5453355U |
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JPS5425662A |
PURPOSE: To establish color signals of green, blue and red having longer life and stable, by obtaining the same characteristics as the spectrum characteristics of the photoelectric surface of Sb-Cs-O through the use of special filters on...
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JPS547984A |
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JPS5354212Y2 |
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JPS53131726A |
An automatic ambient light compensating circuit for use in conjunction with a light sensing device to render the light sensing device insensitive to variations in ambient light conditions and which is particularly adapted for use with re...
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JPS53124059A |
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JPS53123988A |
A monitoring system for the high-voltage supply of an ionization chamber of a particle accelerator has a measuring system which is free of hysteresis and which is electrically isolated from the high-voltage to be measured by opto-electro...
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JPS539403U |
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JPS5255983Y1 |
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JPS5247664B1 |
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JPS5247665B2 |
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JPS52155012U |
A light-emitting diode of a photo-coupler is energized and de-energized through a connection to a switching means. Radiation from the light-emitting diode directed toward a photosensitive means of the photocoupler, reduces the resistance...
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JPS52112271A |
A metal layer deposited on a wafer opposite to the photocathode is brought to a potential which is at least equal to that of the photocathode. The wafer layer and screen layer form conductors for a biplanar wave-propagation line element ...
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JPS5233476B2 |
A photoemitter sensitive in the optical range of wavelengths comprises, according to the invention, a substrate made from p-type semiconductor materials of a group of chemical compounds AIIBIVC2V, where AII are elements belonging to the ...
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JPS52106054U |
A photoelectric current log-compression circuit includes a log-conversion diode, a photodiode and an operational amplifier for log-compression. In the negative feedback circuit of the operational amplifier is inserted a thermistor to con...
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JPS5282071A |
A cathodoluminescent image display device utilizes a cold cathode as the source of electrons. The cold cathode comprises a photocathode, an electron multiplier and a fluorescent anode. The structure of the cathode is such that a portion ...
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JPS5229576Y2 |
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JPS5224386B2 |
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JPS5222934Y2 |
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JPS5214585B1 |
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JPS529328Y1 |
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JPS529330Y2 |
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JPS528376Y1 |
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JPS528375Y1 |
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JPS5213665A |
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JPS522260B2 |
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JPS52667B2 |
A method of manufacturing an electric discharge tube having an electron-emitting electrode comprising a support with a cesium-containing layer thereon which is activated by reaction of a gaseous compound of an inactive or inert gas and f...
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JPS5147059B1 |
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JPS5143907B2 |
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JPS51123554A |
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JPS5142758Y2 |
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JPS5129740Y2 |
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JPS5181785U |
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JPS5124860U |
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JPS5124182U |
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JPS518059U |
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JPS5037286B2 |
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JPS50128568A |
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JPS50115466A |
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JPS50104683A |
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JPS5060953U |
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JPS503080Y1 |
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