Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1995-06-05
1996-10-22
Williams, Hezron E.
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359194, 329325, 329315, 455214, 4552341, H04B 1006
Patent
active
055683053
ABSTRACT:
A heterodyne receiver including a frequency discriminator adapted such that a signal to be subjected to frequency discrimination is divided into two signals and mixed together after one of the divided signals has been given a delay time, and additionally provided with a filter, of which a cutoff frequency is determined according to the delay time, disposed in the front stage. This results in both improvement of accuracy in frequency identification and expansion of the capture range.
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Electronic Engineer's Reference Book, 6th Edition, Edited By FF Mazda Chapter 34, pp. 10-11.
Chikama Terumi
Naito Takao
Onaka Hiroshi
Fujitsu Limited
Moller Richard A.
Williams Hezron E.
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