IT7849468A0 - IMPROVEMENT IN TRANSDUCERS FOR SURFACE ACOUSTIC WAVE DEVICES - Google Patents
IMPROVEMENT IN TRANSDUCERS FOR SURFACE ACOUSTIC WAVE DEVICESInfo
- Publication number
- IT7849468A0 IT7849468A0 IT7849468A IT4946878A IT7849468A0 IT 7849468 A0 IT7849468 A0 IT 7849468A0 IT 7849468 A IT7849468 A IT 7849468A IT 4946878 A IT4946878 A IT 4946878A IT 7849468 A0 IT7849468 A0 IT 7849468A0
- Authority
- IT
- Italy
- Prior art keywords
- transducers
- improvement
- acoustic wave
- surface acoustic
- wave devices
- Prior art date
Links
- 238000010897 surface acoustic wave method Methods 0.000 title 1
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
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80259377A | 1977-06-02 | 1977-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT7849468A0 true IT7849468A0 (en) | 1978-05-19 |
Family
ID=25184157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7849468A IT7849468A0 (en) | 1977-06-02 | 1978-05-19 | IMPROVEMENT IN TRANSDUCERS FOR SURFACE ACOUSTIC WAVE DEVICES |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1118883A (en) |
DE (1) | DE2821748A1 (en) |
FR (1) | FR2393465A1 (en) |
GB (1) | GB1596077A (en) |
IT (1) | IT7849468A0 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4237433A (en) * | 1979-03-13 | 1980-12-02 | Sperry Corporation | Surface acoustic wave resonators with integrated internal coupler reflectors |
US4577169A (en) * | 1984-08-01 | 1986-03-18 | At&T Bell Laboratories | Small ripple surface acoustic wave filter with low insertion loss |
-
1978
- 1978-04-24 CA CA000301799A patent/CA1118883A/en not_active Expired
- 1978-05-18 DE DE19782821748 patent/DE2821748A1/en not_active Withdrawn
- 1978-05-19 IT IT7849468A patent/IT7849468A0/en unknown
- 1978-05-22 GB GB21024/78A patent/GB1596077A/en not_active Expired
- 1978-05-29 FR FR7815927A patent/FR2393465A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CA1118883A (en) | 1982-02-23 |
FR2393465A1 (en) | 1978-12-29 |
DE2821748A1 (en) | 1978-12-14 |
GB1596077A (en) | 1981-08-19 |
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