Ammunition and explosives – Igniting devices and systems – Ignition or detonation circuit
Patent
1959-04-09
1978-08-22
Jordan, Charles T.
Ammunition and explosives
Igniting devices and systems
Ignition or detonation circuit
F42C 1304
Patent
active
041080750
ABSTRACT:
1. In a doppler proximity fuzing system including an oscillating detector oviding diode detection, an antenna to which the output of said oscillating detector is coupled, and an amplifier to which the detected signal from said oscillating detector is fed, the improvement comprising means for suppressing oscillator-generated noise, said means including a 45.degree. r-f phase shift network connected between the output of said oscillating detector and said antenna, diode detection means connected to said antenna and poled oppositely to the diode detection provided by said oscillating detector, the detected signal from said diode detection means being fed to said amplifier along with the detected signal from said oscillating detector, and means to which at least one of said detected signals is fed prior to application to said amplifier for adjusting the magnitude of the detected oscillator-generated noise appearing in one of said detected signals to be substantially equal to the magnitude of the detected oscillator-generated noise appearing in the other of said signals.
REFERENCES:
patent: 2422374 (1947-06-01), Strebe et al.
patent: 2482549 (1949-09-01), Killman et al.
patent: 2760188 (1956-08-01), Guanella et al.
patent: 2873679 (1959-02-01), Gibson
Hinman, Jr. Wilbur S.
Sommer Helmut
Tozzi Louis M.
Edelberg Nathan
Elbaum Saul
Gibson Robert P.
Jordan Charles T.
The United States of America as represented by the Secretary of
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