Thermionic Valve (Noun)
Meaning
Electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope.
Classification
Nouns denoting man-made objects.
Examples
- The thermionic valve was a crucial component in the development of early electronic devices, including radios and televisions.
- In the early 20th century, the thermionic valve revolutionized the field of electronics by allowing for the amplification of weak electrical signals.
- The thermionic valve consists of a heated cathode that emits electrons, which are then attracted to a positively charged anode.
- The invention of the thermionic valve is credited to John Ambrose Fleming, who patented the device in 1904.
- The thermionic valve was widely used in electronic devices until the mid-20th century, when it was largely replaced by the transistor.