JPS5939115A - 弾性表面波トランスジユ−サ - Google Patents
弾性表面波トランスジユ−サInfo
- Publication number
- JPS5939115A JPS5939115A JP15024082A JP15024082A JPS5939115A JP S5939115 A JPS5939115 A JP S5939115A JP 15024082 A JP15024082 A JP 15024082A JP 15024082 A JP15024082 A JP 15024082A JP S5939115 A JPS5939115 A JP S5939115A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- surface acoustic
- acoustic wave
- 8lambda
- comb
- 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.)
- Granted
Links
- 238000010897 surface acoustic wave method Methods 0.000 title claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 230000001902 propagating effect Effects 0.000 claims abstract description 6
- 230000000644 propagated effect Effects 0.000 abstract description 2
- 244000126211 Hericium coralloides Species 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000005284 excitation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
- H03H9/0285—Means for compensation or elimination of undesirable effects of reflections of triple transit echo
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14544—Transducers of particular shape or position
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14544—Transducers of particular shape or position
- H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15024082A JPS5939115A (ja) | 1982-08-30 | 1982-08-30 | 弾性表面波トランスジユ−サ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15024082A JPS5939115A (ja) | 1982-08-30 | 1982-08-30 | 弾性表面波トランスジユ−サ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5939115A true JPS5939115A (ja) | 1984-03-03 |
JPH0210603B2 JPH0210603B2 (enrdf_load_stackoverflow) | 1990-03-08 |
Family
ID=15492621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15024082A Granted JPS5939115A (ja) | 1982-08-30 | 1982-08-30 | 弾性表面波トランスジユ−サ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5939115A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62120525A (ja) * | 1985-11-20 | 1987-06-01 | Nec Corp | 移動式デ−タ入力システム |
-
1982
- 1982-08-30 JP JP15024082A patent/JPS5939115A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62120525A (ja) * | 1985-11-20 | 1987-06-01 | Nec Corp | 移動式デ−タ入力システム |
Also Published As
Publication number | Publication date |
---|---|
JPH0210603B2 (enrdf_load_stackoverflow) | 1990-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100290204B1 (ko) | 탄성표면파다중모드필터 | |
JP4631972B2 (ja) | 弾性波フィルタ装置 | |
US7023300B2 (en) | Surface wave devices with low passband ripple | |
JP2002084163A (ja) | 縦結合共振子型弾性表面波フィルタ | |
JPH05315886A (ja) | 弾性表面波フィルタ | |
US3990023A (en) | Elastic surface wave device | |
JP4345768B2 (ja) | 表面波装置 | |
JP3330512B2 (ja) | 弾性表面波素子 | |
US4370633A (en) | Acoustic wave bandpass electrical filters | |
JP2015535156A (ja) | ローパス特性を有する電子音響フィルタ | |
JP3137064B2 (ja) | 弾性表面波フィルタ | |
JPS5939115A (ja) | 弾性表面波トランスジユ−サ | |
WO2006043445A1 (ja) | バランス型弾性表面波フィルタ | |
JP2004266827A (ja) | 重み付けされた反射型グレーティングを用いたデュラルトラックsaw反射器フィルタ | |
JPS5937723A (ja) | 弾性表面波共振器型フイルタ装置 | |
JPS5997216A (ja) | 弾性表面波フイルタ | |
JPH03119816A (ja) | 単一モード2端子対弾性表面波共振子および弾性表面波フィルタ | |
JP2004260793A (ja) | 弾性表面波フィルタ | |
JP2005223652A (ja) | トランスバーサル弾性表面波フィルタ | |
JP5365406B2 (ja) | 弾性波フィルタ | |
JP3068035B2 (ja) | 弾性表面波装置 | |
US5808524A (en) | Surface wave filter with a specified transducer impulse train that reduces diffraction | |
JP3456810B2 (ja) | 弾性表面波フィルタ | |
JPS5830216A (ja) | 弾性波装置 | |
JP3999130B2 (ja) | 改善されたトラップ特性を有するトランスバーサルフィルタ |