JPS4952993A - - Google Patents
Info
- Publication number
- JPS4952993A JPS4952993A JP48072734A JP7273473A JPS4952993A JP S4952993 A JPS4952993 A JP S4952993A JP 48072734 A JP48072734 A JP 48072734A JP 7273473 A JP7273473 A JP 7273473A JP S4952993 A JPS4952993 A JP S4952993A
- Authority
- JP
- Japan
- 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 devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/0296—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties
- H03H9/02976—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties with semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2231484A DE2231484A1 (de) | 1972-06-27 | 1972-06-27 | Verfahren zur erzeugung sich fortpflanzender elektrischer wechselfelder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4952993A true JPS4952993A (US20020051482A1-20020502-M00012.png) | 1974-05-23 |
Family
ID=5848966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48072734A Pending JPS4952993A (US20020051482A1-20020502-M00012.png) | 1972-06-27 | 1973-06-27 |
Country Status (4)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3924145A (en) * | 1974-01-02 | 1975-12-02 | Univ Illinois | Surface wave device having a ferroelectric substrate with a sinusoidal pole region |
| US3945099A (en) * | 1975-06-06 | 1976-03-23 | University Of Illinois Foundation | Method and apparatus for making a surface wave transducer device |
| US4088969A (en) * | 1977-04-19 | 1978-05-09 | The United States Of America As Represented By The Secretary Of The Navy | Tapped surface acoustic wave delay line |
| US4340872A (en) * | 1980-11-26 | 1982-07-20 | E-Systems, Inc. | Continuously variable piezoelectric crystal delay line |
| US4389590A (en) * | 1981-08-26 | 1983-06-21 | The United States Of America As Represented By The Secretary Of The Navy | System for recording waveforms using spatial dispersion |
| EP0358795B1 (de) * | 1988-09-14 | 1993-06-09 | Siemens Aktiengesellschaft | Elektroakustisches Bauelement aus piezokeramischem Material und Verfahren zum Frequenz- bzw. Laufzeitabgleich des Bauelementes |
-
1972
- 1972-06-27 DE DE2231484A patent/DE2231484A1/de active Pending
-
1973
- 1973-04-24 GB GB1950473A patent/GB1437263A/en not_active Expired
- 1973-05-24 US US00363715A patent/US3821667A/en not_active Expired - Lifetime
- 1973-06-27 JP JP48072734A patent/JPS4952993A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3821667A (en) | 1974-06-28 |
| GB1437263A (en) | 1976-05-26 |
| DE2231484A1 (de) | 1974-01-17 |
