FR2204327A5 - - Google Patents
Info
- Publication number
- FR2204327A5 FR2204327A5 FR7337019A FR7337019A FR2204327A5 FR 2204327 A5 FR2204327 A5 FR 2204327A5 FR 7337019 A FR7337019 A FR 7337019A FR 7337019 A FR7337019 A FR 7337019A FR 2204327 A5 FR2204327 A5 FR 2204327A5
- Authority
- FR
- France
- 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
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47103585A JPS4963401A (en) | 1972-10-18 | 1972-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2204327A5 true FR2204327A5 (en) | 1974-05-17 |
Family
ID=14357836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7337019A Expired FR2204327A5 (en) | 1972-10-18 | 1973-10-17 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3903990A (en) |
| JP (1) | JPS4963401A (en) |
| FR (1) | FR2204327A5 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4193473A (en) * | 1973-11-02 | 1980-03-18 | Thomson-Csf | Refractive stigmatic system for elastic surface waves |
| JPS5550438B2 (en) * | 1974-11-25 | 1980-12-18 | ||
| US4269067A (en) * | 1979-05-18 | 1981-05-26 | International Business Machines Corporation | Method and apparatus for focusing elastic waves converted from thermal energy |
| AU572464B2 (en) * | 1982-07-21 | 1988-05-12 | Technicare Corp. | Selectable focus ultrasonic transducer |
| US4562900A (en) * | 1984-12-20 | 1986-01-07 | Varian Associates, Inc. | Lens system for acoustic transducer array |
| DE3545381C2 (en) * | 1985-12-20 | 1994-02-24 | Siemens Ag | Ultrasonic transducer for measuring the sound power of a focused ultrasonic field |
| CA1253247A (en) * | 1986-04-03 | 1989-04-25 | Gerald W. Farnell | Ultrasonic image camera using arrays of acoustic waveguides |
| US4967873A (en) * | 1988-07-27 | 1990-11-06 | Olympus Optical Co., Ltd. | Acoustic lens apparatus |
| JP3105516B2 (en) * | 1990-04-04 | 2000-11-06 | オリンパス光学工業株式会社 | Acoustic lens system |
| US6596239B2 (en) * | 2000-12-12 | 2003-07-22 | Edc Biosystems, Inc. | Acoustically mediated fluid transfer methods and uses thereof |
| US6976639B2 (en) | 2001-10-29 | 2005-12-20 | Edc Biosystems, Inc. | Apparatus and method for droplet steering |
| US6925856B1 (en) | 2001-11-07 | 2005-08-09 | Edc Biosystems, Inc. | Non-contact techniques for measuring viscosity and surface tension information of a liquid |
| EP1470546B1 (en) * | 2002-01-29 | 2013-11-27 | SRA Developments Limited | Method and apparatus for focussing ultrasonic energy |
| US20040112978A1 (en) * | 2002-12-19 | 2004-06-17 | Reichel Charles A. | Apparatus for high-throughput non-contact liquid transfer and uses thereof |
| US7275807B2 (en) * | 2002-11-27 | 2007-10-02 | Edc Biosystems, Inc. | Wave guide with isolated coupling interface |
| US9762998B1 (en) * | 2015-12-07 | 2017-09-12 | David Gore | Loudspeaker with sound dispersion lens |
| CN105676324B (en) * | 2016-03-16 | 2018-10-09 | 深圳市海德医疗设备有限公司 | The polyhedron concavees lens of pressure wave focusing on Medical Devices |
| CN107870381B (en) * | 2017-12-22 | 2019-08-23 | 深圳先进技术研究院 | The production method of planar lens and planar lens |
| US20220130368A1 (en) * | 2020-10-25 | 2022-04-28 | Moshe Benezra | Helical acoustic lens |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2819771A (en) * | 1948-10-01 | 1958-01-14 | Bell Telephone Labor Inc | Artificial delay structure for compressional waves |
| US3222981A (en) * | 1961-11-24 | 1965-12-14 | James W Lucas | Two-element projection lens |
| US3390399A (en) * | 1967-01-11 | 1968-06-25 | Honeywell Inc | Optical recorder utilizing a fresnel/lenticular lens system |
| US3712707A (en) * | 1970-02-27 | 1973-01-23 | Gen Electric | Composite back projection screen and method of forming |
| DE2051328B2 (en) * | 1970-10-20 | 1973-03-29 | Fa. Carl Zeiss, 7920 Heidenheim | DEVICE FOR WAVELENGTH SELECTION IN BROADBAND EMITTING LASERS |
| US3735336A (en) * | 1971-03-10 | 1973-05-22 | Ampex | Acoustic lens |
-
1972
- 1972-10-18 JP JP47103585A patent/JPS4963401A/ja active Pending
-
1973
- 1973-10-17 FR FR7337019A patent/FR2204327A5/fr not_active Expired
- 1973-10-18 US US407450A patent/US3903990A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3903990A (en) | 1975-09-09 |
| JPS4963401A (en) | 1974-06-19 |