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This page displays all 「FI」 in main group H01J21/00. |
HB:Handbook | ||||
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CC:Concordance | |||||
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Vacuum tubes (; details of vacuum tubes H01J 19/00) | HB | CC | 5C335 | |
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.Tubes with a single discharge path | HB | CC | 5C335 | |
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..without control means, i.e. diodes | HB | CC | 5C335 | |
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..having electrostatic control means only | HB | CC | 5C335 | |
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...with movable electrode or electrodes | HB | CC | 5C335 | |
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...with one or more immovable internal control electrodes, e.g. triode, pentode, octode | HB | CC | 5C335 | |
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....Tubes with variable amplification factor | HB | CC | 5C335 | |
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....Tubes with means for concentrating the electron stream, e.g. beam tetrode | HB | CC | 5C335 | |
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...with external electrostatic control means and with or without internal control electrodes | HB | CC | 5C335 | |
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..having magnetic control means; having both magnetic and electrostatic control means | HB | CC | 5C335 | |
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.Tubes with more than one discharge path; Multiple tubes, e.g. double diode or triode-hexode | HB | CC | 5C335 | |
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..with movable electrode or electrodes | HB | CC | 5C335 | |
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..with variable amplification factor | HB | CC | 5C335 | |
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..with means for concentrating the electron stream | HB | CC | 5C335 | |
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.Tubes with electrode system arranged or dimensioned so as to eliminate transit-time effect (with flat electrodes H01J 21/36) | HB | CC | 5C335 | |
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.Tubes with flat electrodes, e.g. disc electrode | HB | CC | 5C335 | |