JPS63158032U - - Google Patents
Info
- Publication number
- JPS63158032U JPS63158032U JP5114587U JP5114587U JPS63158032U JP S63158032 U JPS63158032 U JP S63158032U JP 5114587 U JP5114587 U JP 5114587U JP 5114587 U JP5114587 U JP 5114587U JP S63158032 U JPS63158032 U JP S63158032U
- Authority
- JP
- Japan
- Prior art keywords
- switching circuit
- filter
- signal
- filters
- conducting
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 1
Landscapes
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
- Stereo-Broadcasting Methods (AREA)
Description
第1図は本考案の実施例による受信機のIF帯
域幅切換回路を示す回路図、第2図は従来のIF
帯域幅切換回路を示す回路図である。 1,2……セラミツクフイルタ、3,4……切
換信号入力端子、5,7……スイツチング回路を
構成するダイオード、9……IFマツチングトラ
ンス、21,22……スイツチング回路を構成す
るトランジスタ。
域幅切換回路を示す回路図、第2図は従来のIF
帯域幅切換回路を示す回路図である。 1,2……セラミツクフイルタ、3,4……切
換信号入力端子、5,7……スイツチング回路を
構成するダイオード、9……IFマツチングトラ
ンス、21,22……スイツチング回路を構成す
るトランジスタ。
Claims (1)
- 通過するIF信号の帯域幅が相違する複数のフ
イルタと、IF信号の前記各フイルタへの通過経
路を切換えるスイツチング回路とを有しているI
F帯域幅切換回路において、前記スイツチング回
路は、各フイルタのIF信号入力側に位置してい
るダイオードと、各フイルタの出力側に位置する
トランジスタとから成り、IF帯域幅の切換信号
によつて各々のフイルタの入力側と出力側に位置
するダイオードならびにトランジスタが導通する
非導通とに切換えられることを特徴とする受信機
のIF帯域幅切換回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5114587U JPS63158032U (ja) | 1987-04-03 | 1987-04-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5114587U JPS63158032U (ja) | 1987-04-03 | 1987-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63158032U true JPS63158032U (ja) | 1988-10-17 |
Family
ID=30875135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5114587U Pending JPS63158032U (ja) | 1987-04-03 | 1987-04-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63158032U (ja) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8838274B2 (en) | 2001-06-12 | 2014-09-16 | Irobot Corporation | Method and system for multi-mode coverage for an autonomous robot |
US8930023B2 (en) | 2009-11-06 | 2015-01-06 | Irobot Corporation | Localization by learning of wave-signal distributions |
US8966707B2 (en) | 2005-02-18 | 2015-03-03 | Irobot Corporation | Autonomous surface cleaning robot for dry cleaning |
US8978196B2 (en) | 2005-12-02 | 2015-03-17 | Irobot Corporation | Coverage robot mobility |
US9144360B2 (en) | 2005-12-02 | 2015-09-29 | Irobot Corporation | Autonomous coverage robot navigation system |
US9144361B2 (en) | 2000-04-04 | 2015-09-29 | Irobot Corporation | Debris sensor for cleaning apparatus |
US9215957B2 (en) | 2004-01-21 | 2015-12-22 | Irobot Corporation | Autonomous robot auto-docking and energy management systems and methods |
US9223749B2 (en) | 2004-07-07 | 2015-12-29 | Irobot Corporation | Celestial navigation system for an autonomous vehicle |
US9229454B1 (en) | 2004-07-07 | 2016-01-05 | Irobot Corporation | Autonomous mobile robot system |
US9317038B2 (en) | 2006-05-31 | 2016-04-19 | Irobot Corporation | Detecting robot stasis |
US9360300B2 (en) | 2004-03-29 | 2016-06-07 | Irobot Corporation | Methods and apparatus for position estimation using reflected light sources |
US9392920B2 (en) | 2005-12-02 | 2016-07-19 | Irobot Corporation | Robot system |
US9446521B2 (en) | 2000-01-24 | 2016-09-20 | Irobot Corporation | Obstacle following sensor scheme for a mobile robot |
US9445702B2 (en) | 2005-02-18 | 2016-09-20 | Irobot Corporation | Autonomous surface cleaning robot for wet and dry cleaning |
US9480381B2 (en) | 2007-05-09 | 2016-11-01 | Irobot Corporation | Compact autonomous coverage robot |
US9486924B2 (en) | 2004-06-24 | 2016-11-08 | Irobot Corporation | Remote control scheduler and method for autonomous robotic device |
US9492048B2 (en) | 2006-05-19 | 2016-11-15 | Irobot Corporation | Removing debris from cleaning robots |
US9582005B2 (en) | 2001-01-24 | 2017-02-28 | Irobot Corporation | Robot confinement |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5981927A (ja) * | 1982-11-02 | 1984-05-11 | Matsushita Electric Ind Co Ltd | 広帯域チユ−ナ |
JPS60100836A (ja) * | 1983-11-07 | 1985-06-04 | Matsushita Electric Ind Co Ltd | Fm受信機のif帯域切換回路 |
-
1987
- 1987-04-03 JP JP5114587U patent/JPS63158032U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5981927A (ja) * | 1982-11-02 | 1984-05-11 | Matsushita Electric Ind Co Ltd | 広帯域チユ−ナ |
JPS60100836A (ja) * | 1983-11-07 | 1985-06-04 | Matsushita Electric Ind Co Ltd | Fm受信機のif帯域切換回路 |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9446521B2 (en) | 2000-01-24 | 2016-09-20 | Irobot Corporation | Obstacle following sensor scheme for a mobile robot |
US9144361B2 (en) | 2000-04-04 | 2015-09-29 | Irobot Corporation | Debris sensor for cleaning apparatus |
US9582005B2 (en) | 2001-01-24 | 2017-02-28 | Irobot Corporation | Robot confinement |
US8838274B2 (en) | 2001-06-12 | 2014-09-16 | Irobot Corporation | Method and system for multi-mode coverage for an autonomous robot |
US9104204B2 (en) | 2001-06-12 | 2015-08-11 | Irobot Corporation | Method and system for multi-mode coverage for an autonomous robot |
US9215957B2 (en) | 2004-01-21 | 2015-12-22 | Irobot Corporation | Autonomous robot auto-docking and energy management systems and methods |
US9360300B2 (en) | 2004-03-29 | 2016-06-07 | Irobot Corporation | Methods and apparatus for position estimation using reflected light sources |
US9486924B2 (en) | 2004-06-24 | 2016-11-08 | Irobot Corporation | Remote control scheduler and method for autonomous robotic device |
US9223749B2 (en) | 2004-07-07 | 2015-12-29 | Irobot Corporation | Celestial navigation system for an autonomous vehicle |
US9229454B1 (en) | 2004-07-07 | 2016-01-05 | Irobot Corporation | Autonomous mobile robot system |
US9445702B2 (en) | 2005-02-18 | 2016-09-20 | Irobot Corporation | Autonomous surface cleaning robot for wet and dry cleaning |
US8966707B2 (en) | 2005-02-18 | 2015-03-03 | Irobot Corporation | Autonomous surface cleaning robot for dry cleaning |
US9144360B2 (en) | 2005-12-02 | 2015-09-29 | Irobot Corporation | Autonomous coverage robot navigation system |
US9392920B2 (en) | 2005-12-02 | 2016-07-19 | Irobot Corporation | Robot system |
US8978196B2 (en) | 2005-12-02 | 2015-03-17 | Irobot Corporation | Coverage robot mobility |
US9599990B2 (en) | 2005-12-02 | 2017-03-21 | Irobot Corporation | Robot system |
US9492048B2 (en) | 2006-05-19 | 2016-11-15 | Irobot Corporation | Removing debris from cleaning robots |
US9317038B2 (en) | 2006-05-31 | 2016-04-19 | Irobot Corporation | Detecting robot stasis |
US9480381B2 (en) | 2007-05-09 | 2016-11-01 | Irobot Corporation | Compact autonomous coverage robot |
US8930023B2 (en) | 2009-11-06 | 2015-01-06 | Irobot Corporation | Localization by learning of wave-signal distributions |