Transmitting device limiting the out-of-band interferences

Details Transmitting device limiting the out-of-band interferences Transmitting device limiting the out-of-band interferences

2006-05-02

2006-05-02

Vuong, Quochien B. (Department: 2685)

Telecommunications

Transmitter

Angle modulation

C455S114200, C375S296000

Reexamination Certificate

active

07039371

ABSTRACT:
The invention relates to a transmitting device limiting the out-of-band interferences. The modulation is done with or without inversion of the spectrum. Next, frequency transposition is done in supradyne or infradyne fashion such that the parasitic effects originating from the modulation are always situated in the frequency band allocated for transmission. The invention relates to the transmission method, on the one hand, and to the transmission device, on the other hand.

REFERENCES:
patent: 5509028 (1996-04-01), Marque-Pucheu
patent: 5796838 (1998-08-01), Heerman
patent: 6118984 (2000-09-01), Yu-Hong
patent: 6434401 (2002-08-01), Recouly
patent: 895363 (1999-02-01), None
patent: 1162740 (2001-12-01), None
patent: 01/45286 (2001-06-01), None
patent: 01/71929 (2001-09-01), None
Copy of Search Report dated Jul. 4, 2002.

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