IT1078805B - Linea di ritardo di onde acustiche di superficie - Google Patents
Linea di ritardo di onde acustiche di superficieInfo
- Publication number
- IT1078805B IT1078805B IT23354/76A IT2335476A IT1078805B IT 1078805 B IT1078805 B IT 1078805B IT 23354/76 A IT23354/76 A IT 23354/76A IT 2335476 A IT2335476 A IT 2335476A IT 1078805 B IT1078805 B IT 1078805B
- Authority
- IT
- Italy
- Prior art keywords
- acoustic wave
- surface acoustic
- delay line
- wave delay
- line
- Prior art date
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
- H03H9/30—Time-delay networks
- H03H9/42—Time-delay networks using surface acoustic waves
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2146275A GB1469084A (en) | 1975-05-20 | 1975-05-20 | Surface acoustic wave delay lines |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1078805B true IT1078805B (it) | 1985-05-08 |
Family
ID=10163357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23354/76A IT1078805B (it) | 1975-05-20 | 1976-05-18 | Linea di ritardo di onde acustiche di superficie |
Country Status (4)
Country | Link |
---|---|
US (1) | US4006436A (it) |
FR (1) | FR2312139A1 (it) |
GB (1) | GB1469084A (it) |
IT (1) | IT1078805B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4658252A (en) * | 1984-08-13 | 1987-04-14 | Gte Government Systems Corporation | Encoder/decoder for card entry system |
US5287036A (en) * | 1992-03-02 | 1994-02-15 | Motorola, Inc. | Method and apparatus for acoustic wave inductance |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1197860A (en) * | 1969-06-13 | 1970-07-08 | Standard Telephones Cables Ltd | Acoustic Surface Wave Delay Line |
FR2212080A5 (it) * | 1972-12-22 | 1974-07-19 | Thomson Csf | |
US3831116A (en) * | 1973-04-09 | 1974-08-20 | Raytheon Co | Surface acoustic wave filter |
US3898592A (en) * | 1974-05-08 | 1975-08-05 | Sperry Rand Corp | Acoustic surface wave signal processors |
-
1975
- 1975-05-20 GB GB2146275A patent/GB1469084A/en not_active Expired
-
1976
- 1976-03-26 US US05/670,926 patent/US4006436A/en not_active Expired - Lifetime
- 1976-05-14 FR FR7614595A patent/FR2312139A1/fr not_active Withdrawn
- 1976-05-18 IT IT23354/76A patent/IT1078805B/it active
Also Published As
Publication number | Publication date |
---|---|
US4006436A (en) | 1977-02-01 |
FR2312139A1 (fr) | 1976-12-17 |
GB1469084A (en) | 1977-03-30 |
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