Title:
TELEVISION SIGNAL PROCESSING DEVICE AND TELEVISION SET TOP BOX
Document Type and Number:
WIPO Patent Application WO/2017/000732
Kind Code:
A1
Abstract:
A television signal processing device is provided in the present invention. The television signal processing device comprises a power supply module, a signal receiver, a radio frequency choke and a duplexer. The power supply module is used for supplying power to the signal receiver and the duplexer. The signal receiver is used for receiving satellite television signals or terrestrial television signals. The radio frequency choke, which is connected with the power supply module, is used for filtering the terrestrial television signals or the satellite television signals and controlling the power supply module to supply power to the signal receiver. The duplexer is used for separating the satellite television signals and the terrestrial television signals, and outputting the received satellite television signals and the terrestrial television signals respectively. By adopting the manner of separating the terrestrial television signals and the satellite signals, the television signal processing device and the television set top box provided in the embodiments of the present invention have the advantages of high gain, low noise system, high isolation degree and good reflection loss, etc.
Inventors:
CHENG SHUQING (CN)
Application Number:
PCT/CN2016/084256
Publication Date:
January 05, 2017
Filing Date:
June 01, 2016
Export Citation:
Assignee:
SHENZHEN JIUZHOU ELECTRIC CO (CN)
International Classes:
H04N7/10; H04N5/44; H04N21/426
Foreign References:
| CN104994322A | 2015-10-21 | |||
| JP2010288244A | 2010-12-24 | |||
| CN203180959U | 2013-09-04 | |||
| CN1308458A | 2001-08-15 | |||
| CN1747353A | 2006-03-15 | |||
| US20070118859A1 | 2007-05-24 | |||
| US20020119805A1 | 2002-08-29 |
Attorney, Agent or Firm:
SHENZHEN AIDISEN INTELLECTUAL PROPERTY OFFICE (CN)
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