Radio oscillating and radar systems

Details Radio oscillating and radar systems Radio oscillating and radar systems

2007-01-04

2008-11-04

Gregory, Bernarr E (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Combined with diverse type radiant energy system

C342S054000, C342S070000, C342S082000, C342S118000, C342S128000, C342S175000, C180S167000, C180S169000

Reexamination Certificate

active

07446696

ABSTRACT:
The present invention provides a radio signal radiation system that alleviates the necessity of a highly specified pass band reception filter and a high performance/reliability amplifier. The radio signal radiation system includes an optical modulator; a light source for inputting an optical carrier wave into the optical modulator; a power source for applying a modulating signal having a frequency Fm on the optical modulator to superimpose a sideband wave onto the carrier wave, the modulating signal having an amplitude of N-times the drive voltage of the optical modulator; a light receiver to receive and convert the outgoing light into an electrical signal; and a radiating means for radiating a radio signal based on the electrical signal, wherein the sideband wave is superimposed at a position shifted by n×fm.

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U.S. Appl. 11/520,987 filed on Sep. 14, 2006, Kondo et al.

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