IT1076054B - Complesso trasduttore per un dispositivo ad inda acustica di superficie atto ad inibire la generazione di segnali multipli da riflessione - Google Patents
Complesso trasduttore per un dispositivo ad inda acustica di superficie atto ad inibire la generazione di segnali multipli da riflessioneInfo
- Publication number
- IT1076054B IT1076054B IT22791/77A IT2279177A IT1076054B IT 1076054 B IT1076054 B IT 1076054B IT 22791/77 A IT22791/77 A IT 22791/77A IT 2279177 A IT2279177 A IT 2279177A IT 1076054 B IT1076054 B IT 1076054B
- Authority
- IT
- Italy
- Prior art keywords
- inda
- inhibit
- reflection
- generation
- surface acoustic
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/4446—IF amplifier circuits specially adapted for B&W TV
-
- 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
- H03H9/0285—Means for compensation or elimination of undesirable effects of reflections of triple transit echo
-
- 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
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14597—Matching SAW transducers to external electrical circuits
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/680,073 US4060833A (en) | 1976-04-26 | 1976-04-26 | Transducer arrangement for a surface acoustic wave device to inhibit the generation of multiple reflection signals |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1076054B true IT1076054B (it) | 1985-04-22 |
Family
ID=24729538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22791/77A IT1076054B (it) | 1976-04-26 | 1977-04-22 | Complesso trasduttore per un dispositivo ad inda acustica di superficie atto ad inibire la generazione di segnali multipli da riflessione |
Country Status (7)
Country | Link |
---|---|
US (1) | US4060833A (it) |
JP (1) | JPS52131441A (it) |
DE (1) | DE2718572A1 (it) |
FR (1) | FR2350002A1 (it) |
GB (1) | GB1576451A (it) |
IT (1) | IT1076054B (it) |
SE (1) | SE413619B (it) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5561126A (en) * | 1978-11-01 | 1980-05-08 | Hitachi Ltd | Elastic surface wave device |
JPS5610725A (en) * | 1979-07-09 | 1981-02-03 | Murata Mfg Co Ltd | Elastic surface wave device |
JPS5937605B2 (ja) * | 1979-09-25 | 1984-09-11 | 富士通株式会社 | 弾性表面波素子 |
US4253119A (en) * | 1979-09-27 | 1981-02-24 | Zenith Radio Corporation | Interface system for surface wave integratable filter |
US4271433A (en) * | 1979-11-23 | 1981-06-02 | Rca Corporation | SAW Filter preamplifier |
EP0052655A4 (en) * | 1980-05-27 | 1986-01-07 | Rf Monolithics | METHOD AND DEVICE FOR ENCRYPTING AND DECRYLING TELEVISION SIGNALS. |
US4403252A (en) * | 1980-05-27 | 1983-09-06 | R F Monolithics, Inc. | Television scrambling and unscrambling method and apparatus |
US4392116A (en) * | 1980-10-14 | 1983-07-05 | Zenith Radio Corporation | Triple transit cancellation |
US4604697A (en) * | 1983-08-05 | 1986-08-05 | Interspec, Inc. | Body imaging using vectorial addition of acoustic reflection to achieve effect of scanning beam continuously focused in range |
US4798987A (en) * | 1986-08-25 | 1989-01-17 | Canon Kabushiki Kaisha | Surface acoustic wave generator |
US4951146A (en) * | 1989-01-17 | 1990-08-21 | Zenith Electronics Corporation | Directionally controlled dispersive filtering for reducing co-channel interference |
US5196720A (en) * | 1989-05-15 | 1993-03-23 | Clarion Co., Ltd. | Narrow band interference signal removing device |
US5170500A (en) * | 1990-08-03 | 1992-12-08 | Goldstar Products Co., Limited | Intermediate frequency circuit for cellular telephone transceiver using surface acoustic wave filter |
US5268775A (en) * | 1991-02-19 | 1993-12-07 | Hughes-Jvc Technology Corporation | Contrast enhancement and ghost elimination, for reflective light valve system |
US5325130A (en) * | 1993-03-31 | 1994-06-28 | Westinghouse Electric Corporation | Ghost canceller |
US10545107B2 (en) * | 2015-04-26 | 2020-01-28 | Vayyar Imaging Ltd | System, device and methods for measuring substances' dielectric properties using microwave sensors |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3596211A (en) * | 1967-11-06 | 1971-07-27 | Zenith Radio Corp | Surface-wave filter reflection cancellation |
US3662293A (en) * | 1971-03-17 | 1972-05-09 | Zenith Radio Corp | Acoustic-wave transmitting device |
US3810257A (en) * | 1973-02-01 | 1974-05-07 | Texas Instruments Inc | Acoustic surface wave transducer configuration for reducing triple transit signals |
US3908137A (en) * | 1973-12-26 | 1975-09-23 | Magnavox Co | Apparatus and method for triple transit signal cancellation in an acoustical surface wave device |
-
1976
- 1976-04-26 US US05/680,073 patent/US4060833A/en not_active Expired - Lifetime
-
1977
- 1977-04-18 GB GB15963/77A patent/GB1576451A/en not_active Expired
- 1977-04-19 SE SE7704481A patent/SE413619B/xx unknown
- 1977-04-22 IT IT22791/77A patent/IT1076054B/it active
- 1977-04-25 FR FR7712416A patent/FR2350002A1/fr not_active Withdrawn
- 1977-04-26 JP JP4901477A patent/JPS52131441A/ja active Pending
- 1977-04-26 DE DE19772718572 patent/DE2718572A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2718572A1 (de) | 1977-11-03 |
GB1576451A (en) | 1980-10-08 |
US4060833A (en) | 1977-11-29 |
SE413619B (sv) | 1980-06-09 |
JPS52131441A (en) | 1977-11-04 |
SE7704481L (sv) | 1977-10-27 |
FR2350002A1 (fr) | 1977-11-25 |
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