Process for the transmission of analog and digital information

Details Process for the transmission of analog and digital information Process for the transmission of analog and digital information

2006-08-08

2006-08-08

Chin, Stephen (Department: 2634)

Pulse or digital communications

Transmitters

Angle modulation

C375S240010

Reexamination Certificate

active

07088786

ABSTRACT:
Process for the transmission of analog and digital information. The object of the invention is the transmission of both analog-coded and digital-coded information only with an alternating current of one frequency and one phase position. This is accomplished in accordance with the invention in such a way that the carrier of the analog and digital information to synchronize the periods or half-periods of an uninterrupted sequence, so that, as needed, the periods or half-periods can be employed in sequence. In a real-time transmission, the analog periods or half-periods have to be the same number as the code words of the digital information. Such a transmission affords a substantial simplification. Thus, in color television, for example, the luminance signal can be transmitted in an analog manner and the color signal can be transmitted in series in a digital manner. Thus, no phase problems arise. The receiver can be designed as a superheterodyne radio receiver up to the decoder.

REFERENCES:
patent: 4675721 (1987-06-01), Dirr
patent: 4731789 (1988-03-01), Thornton
patent: 4731798 (1988-03-01), Dirr
patent: 4794621 (1988-12-01), Dirr
patent: 4947483 (1990-08-01), Dirr
patent: 5587797 (1996-12-01), Dirr
patent: 6038262 (2000-03-01), Ganter
patent: 6072829 (2000-06-01), Dirr

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