Change-over switch of external units of fixed aerials for...

Details Change-over switch of external units of fixed aerials for... Change-over switch of external units of fixed aerials for...

2011-03-22

2011-03-22

Sharma, Sujatha (Department: 2618)

Telecommunications

Wireless distribution system

Receiver for satellite broadcast

C455S003040, C455S428000, C725S068000, C725S071000

Reexamination Certificate

active

07912420

ABSTRACT:
For individual reception of signals of television, radio and other services provided for by means of geostationary telecommunication satellites there is designed a change-over switch of external units of fixed aerials with a system of individual switches controlled by means of standard pulses generated by a satellite receiver. The change-over switch is provided with a command decoding unit (7), having an input (71) being connected to an output terminal (4) for connection to a satellite receiver and outputs (72) being connected to control inputs of individual switches, while the command decoding unit (7) is provided with a circuitry for a transfer of mechanical positioning equipment standard control commands to pulses controlling individual switches (2).

REFERENCES:
patent: 5301352 (1994-04-01), Nakagawa et al.
patent: 5670902 (1997-09-01), Nakagawa et al.
patent: 6549774 (2003-04-01), Titlebaum et al.
patent: 6957039 (2005-10-01), Imai
patent: 1387512 (2004-02-01), None
Kai Kriebel; “Sat-Anlagen Intelliegent Steuern: DISEQC”, Jan. 1996, RFE Radio Fernsehen Elektronik, Huss Medien GmbH, Berlin, DE, pp. 45-47, XP000583401.
International Search Report: PCT/CZ2006/000038.

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