KR100698288B1 - 프로그래밍 가능한 표면탄성파 필터 - Google Patents
프로그래밍 가능한 표면탄성파 필터 Download PDFInfo
- Publication number
- KR100698288B1 KR100698288B1 KR1020050010673A KR20050010673A KR100698288B1 KR 100698288 B1 KR100698288 B1 KR 100698288B1 KR 1020050010673 A KR1020050010673 A KR 1020050010673A KR 20050010673 A KR20050010673 A KR 20050010673A KR 100698288 B1 KR100698288 B1 KR 100698288B1
- Authority
- KR
- South Korea
- Prior art keywords
- output
- signal
- acoustic wave
- surface acoustic
- electrode
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
- E06B9/54—Roller fly screens
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6403—Programmable filters
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/60—Spring drums operated only by closure members
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
- E06B2009/527—Mounting of screens to window or door
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B2009/807—Brakes preventing fast screen movement
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (6)
- 압전기판;상기 압전기판상에 콤(comb) 구조로 형성되는 접지전극;상기 압전기판상에 콤 구조로 형성되고, 상기 접지전극과 어긋나게 배치되는 복수의 출력전극; 및상기 복수의 출력전극의 개수만큼 마련되며, 상기 복수의 출력전극에 각각 연결되고, 대응되는 출력전극에서 출력되는 출력신호가 출력단에 전달되거나 전달되지 않도록 스위칭동작하는 복수의 스위치;를 포함하는 것을 특징으로 하는 표면탄성파 필터.
- 삭제
- 제 1항에 있어서,상기 스위치는,외부에서 인가되는 스위칭 제어신호에 따라, 상기 대응되는 출력전극에서 출력되는 출력신호가 상기 출력단 및 접지단 중 어느 하나로 출력되도록 스위칭동작하는 것을 특징으로 하는 표면탄성파 필터.
- 제 3항에 있어서,상기 스위치는,상기 압전기판상에 형성되는 것을 특징으로 하는 표면탄성파 필터.
- 제 4항에 있어서,상기 스위치는,적어도 하나의 트랜지스터를 이용하여 구현된 스위치인 것을 특징으로 하는 표면탄성파 필터.
- 제 5항에 있어서,상기 스위치는,스위칭 제어신호로서 논리레벨 'High' 신호가 입력되면 상기 대응되는 출력 전극에서 출력되는 출력신호가 출력단으로 전달되도록 경로를 제공하는 출력단 스위칭용 트랜지스터; 및스위칭 제어신호로서 논리레벨 'Low' 신호가 입력되면 상기 대응되는 출력전극에서 출력되는 출력신호가 접지단으로 전달되도록 경로를 제공하는 접지단 스위칭용 트랜지스터;를 포함하는 것을 특징으로 하는 표면탄성파 필터.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050010673A KR100698288B1 (ko) | 2005-02-04 | 2005-02-04 | 프로그래밍 가능한 표면탄성파 필터 |
US11/347,323 US7439826B2 (en) | 2005-02-04 | 2006-02-06 | Programmable surface acoustic wave filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050010673A KR100698288B1 (ko) | 2005-02-04 | 2005-02-04 | 프로그래밍 가능한 표면탄성파 필터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060089431A KR20060089431A (ko) | 2006-08-09 |
KR100698288B1 true KR100698288B1 (ko) | 2007-03-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050010673A KR100698288B1 (ko) | 2005-02-04 | 2005-02-04 | 프로그래밍 가능한 표면탄성파 필터 |
Country Status (2)
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US (1) | US7439826B2 (ko) |
KR (1) | KR100698288B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9602077B2 (en) | 2014-11-12 | 2017-03-21 | Elwha Llc | Surface acoustic wave device having selectable electrode elements |
US9692389B2 (en) | 2014-11-12 | 2017-06-27 | Elwha Llc | Surface acoustic wave device having matrices of combinable selectable electrode sub-elements |
US9800226B2 (en) | 2014-11-12 | 2017-10-24 | Elwha Llc | Surface acoustic wave device having combinable selectable electrode sub-elements |
US9571065B2 (en) | 2014-11-12 | 2017-02-14 | Elwha Llc | Surface acoustic wave device having end-to-end combinable selectable electrode sub-elements |
Citations (4)
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KR900017280A (ko) * | 1989-04-25 | 1990-11-15 | 마쓰이 고오지 | 탄성 표면파 필터 |
JPH05144262A (ja) * | 1991-07-10 | 1993-06-11 | Nec Corp | Casビフオアrasリフレツシユ制御回路 |
KR20010001502A (ko) * | 1999-06-04 | 2001-01-05 | 김원식 | 통과 주파수 가변형 표면 탄성파 필터 |
JP2004328056A (ja) | 2003-04-21 | 2004-11-18 | Mitsubishi Materials Corp | ワイヤレスリモートコントローラ及びワイヤレスリモートコントロールシステム |
Family Cites Families (11)
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US3479572A (en) * | 1967-07-06 | 1969-11-18 | Litton Precision Prod Inc | Acoustic surface wave device |
US4024480A (en) * | 1976-04-14 | 1977-05-17 | United Technologies Corporation | Programmable, amplitude and phase, general transversal filter |
FR2431229A1 (fr) * | 1978-07-12 | 1980-02-08 | Thomson Csf | Dispositif de demodulation de signaux modules en deplacement de frequence et systeme de transmission comportant un tel dispositif |
JPS594886B2 (ja) * | 1978-09-14 | 1984-02-01 | 松島工業株式会社 | 弾性表面波フィルタ− |
US5387887A (en) | 1988-05-20 | 1995-02-07 | Texas Instruments Incorporated | Miniature digitally controlled programmable transversal filter using LSI GaAs integrated circuits |
US5194837A (en) * | 1989-03-16 | 1993-03-16 | Massachusetts Institute Of Technology | Multi-tap programming circuit for transversal filters |
US5144262A (en) | 1989-10-10 | 1992-09-01 | Electronic Decisions Incorporated | Acoustic charge transport selectable delay line and delay line oscillator formed therewith |
US6291924B1 (en) * | 1999-07-01 | 2001-09-18 | Trw Inc. | Adjustable saw device |
JP2003522453A (ja) * | 2000-02-02 | 2003-07-22 | ラトガーズ・ザ・ステート・ユニヴァーシティ・オブ・ニュージャージー | プログラム可能な表面弾性波(saw)フィルタ |
US6459345B1 (en) * | 2001-08-08 | 2002-10-01 | The United States Of America As Represented By The Secretary Of The Army | Programmable saw filter including unidirectional transducers |
JP2004072549A (ja) * | 2002-08-08 | 2004-03-04 | Hitachi Ltd | 弾性波素子とスイッチを用いた周波数可変フィルタ。 |
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2005
- 2005-02-04 KR KR1020050010673A patent/KR100698288B1/ko active IP Right Grant
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2006
- 2006-02-06 US US11/347,323 patent/US7439826B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR900017280A (ko) * | 1989-04-25 | 1990-11-15 | 마쓰이 고오지 | 탄성 표면파 필터 |
JPH05144262A (ja) * | 1991-07-10 | 1993-06-11 | Nec Corp | Casビフオアrasリフレツシユ制御回路 |
KR20010001502A (ko) * | 1999-06-04 | 2001-01-05 | 김원식 | 통과 주파수 가변형 표면 탄성파 필터 |
JP2004328056A (ja) | 2003-04-21 | 2004-11-18 | Mitsubishi Materials Corp | ワイヤレスリモートコントローラ及びワイヤレスリモートコントロールシステム |
Non-Patent Citations (2)
Title |
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05144262 |
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Also Published As
Publication number | Publication date |
---|---|
KR20060089431A (ko) | 2006-08-09 |
US20060194563A1 (en) | 2006-08-31 |
US7439826B2 (en) | 2008-10-21 |
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