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US3205495A
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Optical processing of information
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US3111666A
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Method and apparatus for optically processing information
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US3120000A
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Radio direction finding systems
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US3219928A
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Measuring system for comparing unknown and reference a.c. signals and detecting rate of change of phase of resultant
|
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US3039004A
|
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Electro-optical condition sensing and correcting circuits
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US2988645A
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Electrical-optical transducers and spot scanning generators
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US3160859A
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Optical information storage and readout circuits
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US3191042A
|
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Photosensitive counter circuit of the binary scaler type
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US3191043A
|
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Photosensitive pulse counter chain
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US3191044A
|
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Photosensitive counter of the binary scaler type
|
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US3191041A
|
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Photosensitive counter circuit of the binary scaler type
|
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US3039013A
|
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Electroluminescent electrical meter
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US3090044A
|
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Radio direction finding systems
|
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US2508321A
|
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Method and means of controlling electronic heating
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US2458124A
|
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Synchronous frequency broadcasting
|
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US2391532A
|
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Direct current amplifier
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US2386528A
|
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Frequency modulation system
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US2388200A
|
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Frequency modulation system
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US2283619A
|
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Radio antenna system
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US2283618A
|
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Radio antenna system
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