Electromagnetic wave transmitter, receiver and transceiver...

Details Electromagnetic wave transmitter, receiver and transceiver... Electromagnetic wave transmitter, receiver and transceiver...

2005-03-22

2005-03-22

Shingleton, Michael B. (Department: 2817)

Modulators

Phase shift keying modulator or quadrature amplitude modulator

C332S104000, C332S105000, C375S269000, C375S279000, C375S297000, C375S298000

Reexamination Certificate

active

06870435

ABSTRACT:
The invention relates to a system for electromagnetic processing of an input wave involving receiving a modified signal derived from two or more signals that represent the input wave when combined; and alternately regulating the modified signal using a digital signal containing at least one characteristic of said two or more signals. The invention may utilize in-phase and quadrature phase signals, where the magnitude portion of the signals may be used for regulating the modified signal. The modified signal may be created by modulating a characteristic of the I, Q signals, such as their sign, with an RF or other frequency carrier wave.

REFERENCES:
patent: 5249201 (1993-09-01), Posner et al.
patent: 6411655 (2002-06-01), Holden et al.
patent: WO 9424759 (1994-10-01), None
patent: WO 0041371 (2000-07-01), None

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