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US2230111A
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Deflecting device for cathode ray tubes
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US2291406A
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Cathode ray tube with X-ray absorbing coating
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US2264624A
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Image analyzing tube
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ES145402A1
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Secondary electronic valve.
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US2264748A
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Color television transmitter
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US2187022A
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Method of treating luminescent materials
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US2262630A
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Iron core inductance
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US2242395A
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Electron emissive cathode
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US2239954A
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Cathode for electron discharge tubes
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US2265657A
|
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Television system
|
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US2265669A
|
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Modulating device
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US2216273A
|
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Centering circuit for cathode ray tubes
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US2218764A
|
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Saw-tooth wave generator
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US2250721A
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Image storage tube
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GB523457A
|
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Improvements in or relating to methods of synchronising scanning oscillators
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GB521803A
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Improvements in or relating to cathode ray tubes
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|
GB520489A
|
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Improvements in or relating to deflecting circuits for use with cathode ray tubes
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US2250884A
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Centering arrangement for cathode ray beams
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GB518643A
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Improvements in or relating to scanning oscillation generators
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GB518090A
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Improvements in or relating to television and like apparatus
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