Simulcast transmission system

Details Simulcast transmission system Simulcast transmission system

1979-06-11

1981-03-10

Ng, Jin F.

Telecommunications

Transmitter and receiver at separate stations

Single message via plural carrier wave transmission

455 53, 455 57, H04B 100

Patent

active

042558140

ABSTRACT:
A system of the type wherein transmissions of the same information are simultaneously broadcast by spatially removed transmitter sites. A control center establishes transmission links to the transmitter sites. The center includes electronic storage which supplies the required time delay for each signal applied over a predetermined link to assure phase coherency of overlapping transmissions. Upon the establishment of a new link, a new set of time delays is recalled from memory and used to program a bucket brigade to thereby provide the required delay to signals carried over the link.

REFERENCES:
patent: 1490958 (1924-04-01), Brown
patent: 2509237 (1950-05-01), Labin et al.
patent: 2991353 (1961-07-01), Barnes
patent: 3310741 (1967-03-01), Ultermark et al.
An Engineering Application Note Entitled "Delaying AF Signals with MOS Delay-lines TCA 350" by ITT Semiconductors, 1974 Edition.
"Undulating Field Kicks Charge Across IC", Design News, p. 75, Sep. 23, 1974.

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