例文
- もっと例文: 1 2
- Bell Labs did not develop a satisfactory thermionic diode for microwave reception.
- A thermionic diode is a plate ( anode ).
- In 1904, John Ambrose Fleming invented the thermionic diode, the first kind of vacuum tube.
- The same year John Ambrose Fleming invented the Fleming valve or thermionic diode which could also rectify an AM signal.
- He invented the thermionic diode 1873 ( this was later given alternate credit to Edison's assistant WJ Hammer ).