Hertzian - Law Dictionary Search Results
Home Dictionary Name: hertzianCoherer
Any device in which an imperfectly conducting contact between pieces of metal or other conductors loosely resting against each other is materially improved in conductivity by the influence of Hertzian waves so called by Sir O J Lodge in 1894 on the assumption that the impact of the electic waves caused the loosely connected parts to cohere or weld together a condition easily destroyed by tapping A common form of coherer as used in wireless telegraphy consists of a tube containing filings usually a pinch of nickel and silver filings in equal parts between terminal wires or plugs called conductor plugs...
Hertzian
Of or pert to the German physicist Heinrich Hertz...
Marconi system
A system or wireless telegraphy developed by G Marconi an Italian physicist in which Hertzian waves are used in transmission and a coherer is used as the receiving instrument...
Telegraph
Telegraph, means any appliance, instrument, material or apparatus used or capable of use for transmission or reception of signs, signals, writing, images, and sounds or intelligence of any nature by wire, visual or other electro-magnetic emissions, Radio waves or Hertzian waves, galvanic, electric or magnetic means. [Indian Telegraph Act, 1885 (13 of 1885), s. 3 (1)]...
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