Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Patent
1987-02-04
1988-12-20
Levy, Stewart J.
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
324318, G01R 3320
Patent
active
047927607
ABSTRACT:
In the invention, the quality of the signal received is improved by symmetrizing the antenna. To this end, this antenna comprises two cords each of which has a symmetry with respect to one and the same plane (XOZ). These cords are linked by their ends to antenna tuning capacitors. The received signal is taken up by a high-frequency line integrated to one of the cords at the connection point of one of the tuning capacitors. Furthermore, the other end of this high-frequency line, arranged in the plane of symmetry, is linked to an impedance amplifier-transformer circuit with a high input impedance.
REFERENCES:
patent: 2517968 (1950-08-01), Brown
patent: 3210766 (1965-10-01), Parker
patent: 3550137 (1970-12-01), Kuecken
patent: 3902177 (1975-08-01), Mori et al.
patent: 4620155 (1986-10-01), Edelstein
Funkschau, No. 4, Feb. 11, 1980, pp. 95-96, Munich, DE; West Germany, "Aktive Empfangsantenne".
Bussaeri Jean
Jacob Herv/e/
Arana Louis M.
Levy Stewart J.
Thomson-CGR
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