coherer
Noun
Meaning
English Wikipedia has an article on:cohererWikipedia
coherer (plural coherers)
(physics) A detector of radio waves used in very early radio receivers.
Synonyms
Examples
At that time, the word ' coherer ', coined by Lodge, was used in the English-speaking world for Hertzian wave receivers or detectors.
Bose planned to "perfect his coherer", but never thought of patenting it.
Consequently, the coherer cannot be relied upon as a calling-up apparatus.
In the summer of 1894, he built a storm alarm made up of a battery, a coherer (an early detector that changed resistance when exposed to radio waves), and an electric bell, which went off if there was lightning.
On the receiver side, Marconi replaced the spark gap with a metal powder coherer, a detector developed by Edouard Branly and other experimenters.
The transmitter is at center, the coherer receiver below it, the pole supporting the wire antenna is visible at top.