JPH0554285B2 - - Google Patents
Info
- Publication number
- JPH0554285B2 JPH0554285B2 JP58014192A JP1419283A JPH0554285B2 JP H0554285 B2 JPH0554285 B2 JP H0554285B2 JP 58014192 A JP58014192 A JP 58014192A JP 1419283 A JP1419283 A JP 1419283A JP H0554285 B2 JPH0554285 B2 JP H0554285B2
- Authority
- JP
- Japan
- Prior art keywords
- surface acoustic
- reflector
- substrate
- waves
- acoustic waves
- 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 - Lifetime
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
- H03H9/30—Time-delay networks
- H03H9/42—Time-delay networks using surface acoustic waves
- H03H9/44—Frequency dependent delay lines, e.g. dispersive delay lines
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58014192A JPS59140716A (ja) | 1983-01-31 | 1983-01-31 | 弾性表面波分散型遅延線 |
US06/574,552 US4623853A (en) | 1983-01-31 | 1984-01-27 | Surface acoustic wave dispersive delay lines having a laser irridated focus area for eliminating undesired saw concentrations |
EP84300571A EP0117081B1 (en) | 1983-01-31 | 1984-01-30 | Surface acoustic wave dispersive delay lines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58014192A JPS59140716A (ja) | 1983-01-31 | 1983-01-31 | 弾性表面波分散型遅延線 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59140716A JPS59140716A (ja) | 1984-08-13 |
JPH0554285B2 true JPH0554285B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-08-12 |
Family
ID=11854258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58014192A Granted JPS59140716A (ja) | 1983-01-31 | 1983-01-31 | 弾性表面波分散型遅延線 |
Country Status (3)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4700176A (en) * | 1985-02-05 | 1987-10-13 | Zenith Electronis Corporation | Tough control arrangement for graphics display apparatus |
US5130597A (en) * | 1991-04-19 | 1992-07-14 | The United States Of America As Represented By The Secretary Of The Army | Amplitude error compensated saw reflective array correlator |
US5138215A (en) * | 1991-05-20 | 1992-08-11 | The United States Of America As Represented By The Secretary Of The Army | Saw reflective array correlator with amplitude error compensating polymer reflective array grating |
JP5165883B2 (ja) * | 2006-12-05 | 2013-03-21 | セイコーインスツル株式会社 | 超音波モータ及びこれを用いた電子機器 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3697899A (en) | 1971-04-05 | 1972-10-10 | Zenith Radio Corp | Acoustic surface wave transmission device |
US3818379A (en) | 1972-12-04 | 1974-06-18 | Hughes Aircraft Co | Acoustic surface wave device |
FR2220930B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-09 | 1976-05-21 | Thomson Csf | |
US3883831A (en) | 1973-09-27 | 1975-05-13 | Massachusetts Inst Technology | Surface wave devices |
GB1495147A (en) | 1974-08-16 | 1977-12-14 | Secr Defence | Surface acoustic wave devices |
GB1484859A (en) | 1974-09-12 | 1977-09-08 | Marconi Co Ltd | Dispersive delay lines |
US3938881A (en) | 1974-11-25 | 1976-02-17 | Xerox Corporation | Acousto-optic modulation device |
GB1474605A (en) * | 1975-05-14 | 1977-05-25 | Secr Defence | Surface acoustic wave devices |
US4047130A (en) | 1976-08-27 | 1977-09-06 | Rockwell International Corporation | Surface acoustic wave filter |
JPS5531372A (en) * | 1978-08-29 | 1980-03-05 | Matsushima Kogyo Co Ltd | Elastic surface wave filter |
-
1983
- 1983-01-31 JP JP58014192A patent/JPS59140716A/ja active Granted
-
1984
- 1984-01-27 US US06/574,552 patent/US4623853A/en not_active Expired - Lifetime
- 1984-01-30 EP EP84300571A patent/EP0117081B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4623853A (en) | 1986-11-18 |
EP0117081A3 (en) | 1986-03-19 |
JPS59140716A (ja) | 1984-08-13 |
EP0117081B1 (en) | 1989-05-24 |
EP0117081A2 (en) | 1984-08-29 |