JPS5176946A - Onkyohyomenhafuiruta - Google Patents
OnkyohyomenhafuirutaInfo
- Publication number
- JPS5176946A JPS5176946A JP50116258A JP11625875A JPS5176946A JP S5176946 A JPS5176946 A JP S5176946A JP 50116258 A JP50116258 A JP 50116258A JP 11625875 A JP11625875 A JP 11625875A JP S5176946 A JPS5176946 A JP S5176946A
- Authority
- JP
- Japan
- Prior art keywords
- onkyohyomenhafuiruta
- 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
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
- H03H9/125—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
-
- 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
- H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
-
- 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
- H03H9/14517—Means for weighting
- H03H9/1452—Means for weighting by finger overlap length, apodisation
-
- 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
- H03H9/14573—Arrow type transducers
-
- 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
- H03H9/02637—Details concerning reflective or coupling arrays
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB41876/74A GB1499330A (en) | 1974-09-26 | 1974-09-26 | Acoustic surface wave filters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5176946A true JPS5176946A (en) | 1976-07-03 |
Family
ID=10421772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50116258A Pending JPS5176946A (en) | 1974-09-26 | 1975-09-26 | Onkyohyomenhafuiruta |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4030050A (OSRAM) |
| JP (1) | JPS5176946A (OSRAM) |
| DE (1) | DE2542854A1 (OSRAM) |
| GB (1) | GB1499330A (OSRAM) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5154389A (ja) * | 1974-11-07 | 1976-05-13 | Tokyo Shibaura Electric Co | Danseihyomenhasochi |
| JPS5412542A (en) * | 1977-06-29 | 1979-01-30 | Hitachi Ltd | Elastic surface wave unit |
| JPS5826221U (ja) * | 1981-08-17 | 1983-02-19 | 富士通株式会社 | 弾性表面波デバイス |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1512686A (en) * | 1975-08-18 | 1978-06-01 | Mullard Ltd | Acoustic surface wave devices |
| JPS5333557A (en) * | 1976-08-24 | 1978-03-29 | Toshiba Corp | Elastic surface wave element |
| JPS5931890B2 (ja) * | 1976-12-08 | 1984-08-04 | 株式会社日立製作所 | 弾性表面波フイルタ |
| JPS547257A (en) * | 1977-06-20 | 1979-01-19 | Hitachi Ltd | Elastic surface wave device |
| NL7810674A (nl) * | 1977-12-21 | 1979-06-25 | Tektronix Inc | Akoestische oppervlakgolfinrichting. |
| JPS5568720A (en) * | 1978-11-17 | 1980-05-23 | Hitachi Ltd | Elastic surface wave device |
| FR2447644A1 (fr) * | 1979-01-26 | 1980-08-22 | Thomson Csf | Transducteur d'ondes elastiques de surface et filtre comprenant un tel transducteur |
| JPS5635523A (en) * | 1979-08-31 | 1981-04-08 | Toshiba Corp | Surface elastic wave element |
| US4564858A (en) * | 1981-03-31 | 1986-01-14 | Harris Corporation | Television SAW/VSB filter incorporating receiver equalizer |
| US4602288A (en) * | 1983-11-21 | 1986-07-22 | Zenith Electronics Corporation | Intermediate frequency saw filter with nyquist phase modulation correction |
| KR860000162B1 (ko) * | 1984-05-14 | 1986-02-27 | 금성계전 주식회사 | 탄성표면파 장치 |
| CA1254994A (en) * | 1985-03-29 | 1989-05-30 | Mark S. Suthers | Saw devices with reflection-suppressing fingers |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3376572A (en) * | 1966-09-15 | 1968-04-02 | Rca Corp | Electroacoustic wave shaping device |
| FR2036374A5 (OSRAM) * | 1969-03-12 | 1970-12-24 | Thomson Csf | |
| FR2040881A5 (OSRAM) * | 1969-04-16 | 1971-01-22 | Thomson Csf | |
| US3739290A (en) * | 1971-05-05 | 1973-06-12 | Secr Defence | Acoustic surface wave devices |
| US3699364A (en) * | 1971-06-04 | 1972-10-17 | Hughes Aircraft Co | Acoustic surface wave device having improved transducer structure |
| US3753166A (en) * | 1971-12-06 | 1973-08-14 | Sperry Rand Corp | Surface wave bandpass filter with non-linear fm input and output transducers and design method therefor |
| US3792381A (en) * | 1973-02-20 | 1974-02-12 | Hughes Aircraft Co | Surface-wave electro-acoustic transducer |
| US3803520A (en) * | 1973-04-26 | 1974-04-09 | Hughes Aircraft Co | Acoustic surface wave device with improved transducer |
| US3870975A (en) * | 1974-03-22 | 1975-03-11 | Hazeltine Corp | Surface wave transducer with reduced reflection coefficient |
-
1974
- 1974-09-26 GB GB41876/74A patent/GB1499330A/en not_active Expired
-
1975
- 1975-09-25 DE DE19752542854 patent/DE2542854A1/de not_active Ceased
- 1975-09-25 US US05/616,689 patent/US4030050A/en not_active Expired - Lifetime
- 1975-09-26 JP JP50116258A patent/JPS5176946A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5154389A (ja) * | 1974-11-07 | 1976-05-13 | Tokyo Shibaura Electric Co | Danseihyomenhasochi |
| JPS5412542A (en) * | 1977-06-29 | 1979-01-30 | Hitachi Ltd | Elastic surface wave unit |
| JPS5826221U (ja) * | 1981-08-17 | 1983-02-19 | 富士通株式会社 | 弾性表面波デバイス |
Also Published As
| Publication number | Publication date |
|---|---|
| US4030050A (en) | 1977-06-14 |
| GB1499330A (en) | 1978-02-01 |
| DE2542854A1 (de) | 1976-04-15 |