Satellite receiver having a switchable power supply

Details Satellite receiver having a switchable power supply Satellite receiver having a switchable power supply

1999-02-16

2000-06-13

Faile, Andrew I.

Telecommunications

Wireless distribution system

455131, 343876, 348725, H04H 100, H04B 1112

Patent

active

060759704

ABSTRACT:
To control a converter of a satellite receiving system, the converter receives not only a dc voltage but one of two different voltages (normally 13 or 17 volt) also an alternating voltage (normally 22 kHz). It has to be possible to control more equipment along the same (coax) cable like amplifiers and switchers and to switch between more sub-bands than two. To achieve this the satellite receiver includes a power supply unit having switching apparatus which can combine the supplying of one of the two dc voltages with an alternating voltage continuous tone or burst as (switching) information.

REFERENCES:
patent: 5341179 (1994-08-01), Konishi
patent: 5345591 (1994-09-01), Tsurumaki et al.
patent: 5708400 (1998-01-01), Morris
patent: 5893023 (1999-04-01), Vizer
patent: 5926744 (1999-07-01), Fukuzawa et al.
patent: 5940737 (1999-08-01), Eastman
patent: 5950112 (1999-09-01), Hori et al.
O. Limann and H. Pelka, "Televisieteckniek", pp. 535-555.

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