Radio monitoring system

作者: Preisman Albert

DOI:

关键词:

摘要: The present invention relates to radio monitoring systems and more particularly for intercepting transmission from particular stations. Numerous have been proposed wherein a receiving station is tuned over band of frequencies in order locate particular...

参考文章(12)
Wallace Marcel, Panoramic radio receiving system ,(1938)
Carlos B Mirick, Multiple frequency receiving system ,(1930)
Frederick K Vreeland, Remote control for radioreceivers ,(1929)
Wallace Marcel, Radio navigation system ,(1938)
Shiokawa Kazuo, Radio signal indicator ,(1930)
Howard I Becker, Tuned electrical circuits ,(1928)
Harold H Beverage, System for radio spectrography ,(1934)