Antenna mounted tuning indicator

Details Antenna mounted tuning indicator Antenna mounted tuning indicator

1977-06-27

1979-09-11

Lieberman, Eli

Communications: radio wave antennas

Antennas

Measuring signal energy

343721, 343894, H01Q 132, G01R 2706

Patent

active

041677382

ABSTRACT:
A device facilitating the tuning of an antenna system comprising a body having an opening accommodating its mount to and operative connection with a whip, wire or rod type antenna, incorporating means which in the mount thereof inherently forms the secondary of a transformer, the primary of which is provided by the antenna or its loading coil. The secondary is electromagnetically coupled to the primary to have induced therein a R.F. voltage and a resulting current actuates a signal means connected across the secondary. The signal means signals the tuned or untuned condition of the antenna to which the body is applied in accordance with the level of the sensed current.

REFERENCES:
patent: 2334279 (1943-11-01), Neiman
patent: 3540057 (1970-11-01), Persson et al.
patent: 3922679 (1975-11-01), Campbell
patent: 4051479 (1977-09-01), Altshuler

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