JP4368277B2 - 受信装置 - Google Patents
受信装置 Download PDFInfo
- Publication number
- JP4368277B2 JP4368277B2 JP2004262032A JP2004262032A JP4368277B2 JP 4368277 B2 JP4368277 B2 JP 4368277B2 JP 2004262032 A JP2004262032 A JP 2004262032A JP 2004262032 A JP2004262032 A JP 2004262032A JP 4368277 B2 JP4368277 B2 JP 4368277B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- bypass
- voltage
- receiver
- lnb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
11 受信回路
12 電源回路
PRa、PRb 前段レギュレータ
Da、Db 逆流防止ダイオード
BP バイパス部
D1、D2 バイパスダイオード
(D11、D12)、(D21、D22) バイパスダイオード列
REG1、REG2 主レギュレータ
A、B 内部回路
13a、13b ポート
20a、20b レシーバ
Claims (1)
- レシーバが各々着脱される複数の外部端子と、各々電源経路を異にする複数の内部回路と、前記レシーバから電力供給を受けて前記内部回路の駆動電圧を生成する電源回路と、を有して成る受信装置であって、
前記電源回路は、前記外部端子からの電力供給経路毎に設けられた前段レギュレータと、各前段レギュレータの出力端相互間における電位差が所定の閾値よりも大きければその出力端相互間を短絡させるバイパス部と、前記バイパス部よりも後段側に設けられて前記前段レギュレータの出力電圧から前記内部回路の駆動電圧を生成する主レギュレータと、を有し、
前記バイパス部は、各前段レギュレータの出力端相互間に亘って互いに逆向きに並列接続された一対のダイオード若しくはダイオード列から成る
ことを特徴とする受信装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004262032A JP4368277B2 (ja) | 2004-09-09 | 2004-09-09 | 受信装置 |
CNB2005100923205A CN100399709C (zh) | 2004-09-09 | 2005-08-26 | 接收设备和卫星广播接收系统 |
US11/220,616 US7499671B2 (en) | 2004-09-09 | 2005-09-08 | Receiver apparatus and satellite broadcast reception system therewith |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004262032A JP4368277B2 (ja) | 2004-09-09 | 2004-09-09 | 受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006080829A JP2006080829A (ja) | 2006-03-23 |
JP4368277B2 true JP4368277B2 (ja) | 2009-11-18 |
Family
ID=35996865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004262032A Expired - Fee Related JP4368277B2 (ja) | 2004-09-09 | 2004-09-09 | 受信装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7499671B2 (ja) |
JP (1) | JP4368277B2 (ja) |
CN (1) | CN100399709C (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8515342B2 (en) * | 2005-10-12 | 2013-08-20 | The Directv Group, Inc. | Dynamic current sharing in KA/KU LNB design |
TWM456046U (zh) * | 2012-12-19 | 2013-06-21 | Wistron Neweb Corp | 電路板結構及低雜訊降頻器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2788560B2 (ja) * | 1991-07-10 | 1998-08-20 | 富士通株式会社 | 受信衛星切換装置 |
US6031878A (en) * | 1997-02-28 | 2000-02-29 | Maxim Integrated Products, Inc. | Direct-conversion tuner integrated circuit for direct broadcast satellite television |
JP3600765B2 (ja) | 1999-10-29 | 2004-12-15 | シャープ株式会社 | 受信装置 |
US7207054B1 (en) * | 1999-11-17 | 2007-04-17 | Allegro Microsystems, Inc. | Low noise block supply and control voltage regulator |
GB0030965D0 (en) * | 2000-12-19 | 2001-01-31 | Nokia Oy Ab | Improvements relating to satellite reception` |
JP4100872B2 (ja) | 2001-01-18 | 2008-06-11 | シャープ株式会社 | 受信装置 |
JP4363938B2 (ja) | 2003-09-26 | 2009-11-11 | シャープ株式会社 | 受信装置 |
-
2004
- 2004-09-09 JP JP2004262032A patent/JP4368277B2/ja not_active Expired - Fee Related
-
2005
- 2005-08-26 CN CNB2005100923205A patent/CN100399709C/zh not_active Expired - Fee Related
- 2005-09-08 US US11/220,616 patent/US7499671B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20060052053A1 (en) | 2006-03-09 |
US7499671B2 (en) | 2009-03-03 |
CN1747337A (zh) | 2006-03-15 |
JP2006080829A (ja) | 2006-03-23 |
CN100399709C (zh) | 2008-07-02 |
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