DE2313738A1 - Verfahren und vorrichtung zum sichtbarmachen von schallwellen - Google Patents
Verfahren und vorrichtung zum sichtbarmachen von schallwellenInfo
- Publication number
- DE2313738A1 DE2313738A1 DE2313738A DE2313738A DE2313738A1 DE 2313738 A1 DE2313738 A1 DE 2313738A1 DE 2313738 A DE2313738 A DE 2313738A DE 2313738 A DE2313738 A DE 2313738A DE 2313738 A1 DE2313738 A1 DE 2313738A1
- Authority
- DE
- Germany
- Prior art keywords
- acoustic
- cell
- layer
- waves
- generating
- Prior art date
- 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
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/002—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means for representing acoustic field distribution
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H3/00—Holographic processes or apparatus using ultrasonic, sonic or infrasonic waves for obtaining holograms; Processes or apparatus for obtaining an optical image from them
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Holo Graphy (AREA)
- Liquid Crystal (AREA)
- Stereophonic System (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00237404A US3831434A (en) | 1972-03-23 | 1972-03-23 | Methods and apparatus for image display of sound waves and utilizations thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2313738A1 true DE2313738A1 (de) | 1973-09-27 |
Family
ID=22893570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2313738A Pending DE2313738A1 (de) | 1972-03-23 | 1973-03-20 | Verfahren und vorrichtung zum sichtbarmachen von schallwellen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3831434A (enrdf_load_stackoverflow) |
| JP (1) | JPS498261A (enrdf_load_stackoverflow) |
| CA (1) | CA1002172A (enrdf_load_stackoverflow) |
| DE (1) | DE2313738A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2177410A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1433623A (enrdf_load_stackoverflow) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4077253A (en) * | 1973-06-01 | 1978-03-07 | Grisell Ronald D | Apparatus and method for the imaging of the internal structure of a three-dimensional solid and/or liquid object |
| US3991606A (en) * | 1974-11-08 | 1976-11-16 | Minnesota Mining And Manufacturing Company | Apparatus and method for converting mechanical wave energy to optical energy |
| CA1112750A (fr) * | 1978-10-13 | 1981-11-17 | Jean-Luc Dion | Cellule acousto-optique a cristal liquide |
| JPS5678819A (en) * | 1979-11-30 | 1981-06-29 | Seiko Epson Corp | Liquid-crystal device |
| US4379408A (en) * | 1981-01-12 | 1983-04-12 | Raj Technology Partnership | Liquid crystal technique for examining internal structures |
| US4506550A (en) * | 1981-02-06 | 1985-03-26 | Raj Technology Partnership | Non-destructive testing system employing a liquid crystal detector cell |
| US4393712A (en) * | 1981-09-08 | 1983-07-19 | Raj Technology Partnership | Portable liquid crystal testing device |
| EP0113941A1 (en) * | 1983-01-17 | 1984-07-25 | Raj Technology Partnership | Liquid crystal acousto-optical detector cell |
| JPS61189277A (ja) * | 1985-02-15 | 1986-08-22 | Idemitsu Kosan Co Ltd | トリアジン誘導体，その製造方法およびそれを有効成分とする除草剤 |
| US4679436A (en) * | 1986-08-05 | 1987-07-14 | Raj Technology, Inc. | Reciprocating method and apparatus for producing uniform ultrasonic field for use in liquid crystal based acoustical imaging |
| JPS6341825A (ja) * | 1986-08-06 | 1988-02-23 | Yamamoto Kogaku Kk | 調光フイルタ− |
| US4788865A (en) * | 1986-11-26 | 1988-12-06 | Raj Technology, Inc. | Construction of liquid crystal cell for acoustic imaging |
| AU2763295A (en) * | 1994-06-03 | 1996-01-04 | Apple Computer, Inc. | System for producing directional sound in computer-based virtual environments |
| JP2001517782A (ja) * | 1997-09-24 | 2001-10-09 | スリーディーヴィー システムズ リミテッド | 音響画像形成システム |
| US6049411A (en) * | 1998-10-14 | 2000-04-11 | Santec Systems Inc | Optical imager for birefringent detector acoustic imaging systems |
| US6321023B1 (en) | 2000-06-20 | 2001-11-20 | Honghui Wang | Serial imager for birefringent detector acoustic imaging systems |
| ES2245203B2 (es) * | 2003-12-02 | 2007-10-16 | Universidad De La Laguna | Transductor acustico optico electronico de visualizacion de sonidos para personas sordas. |
| US9786204B2 (en) | 2013-11-25 | 2017-10-10 | The University Of Scranton | Visualizing sound with an electro-optical eardrum |
| CN110133879B (zh) * | 2019-04-25 | 2022-12-09 | 福建师范大学 | 一种提高超声调制光成像深度的装置和方法 |
| CN112880803B (zh) * | 2021-01-19 | 2022-11-22 | 业成科技（成都）有限公司 | 光学环境振荡侦测系统及应用其的光学量测方法 |
| GB2610588A (en) * | 2021-09-08 | 2023-03-15 | Univ Warwick | Acoustic field visualisation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3879989A (en) * | 1966-08-03 | 1975-04-29 | Battle Dev Corp | Ultrasonic holography |
| US3597043A (en) * | 1969-05-02 | 1971-08-03 | Polacoat Inc | Nematic liquid crystal optical elements |
| US3599477A (en) * | 1969-05-14 | 1971-08-17 | Lockheed Aircraft Corp | Apparatus for converting acoustic energy into a visible image |
| US3707323A (en) * | 1970-11-06 | 1972-12-26 | Zenith Radio Corp | Liquid crystal devices and systems for ultrasonic imaging |
| BE790063A (fr) * | 1971-08-26 | 1973-02-01 | Hanlon Thomas F | Dispositif pour produire une image en noir et blanc par modulation ultrasonique de cristaux liquides nematiques |
-
1972
- 1972-03-23 US US00237404A patent/US3831434A/en not_active Expired - Lifetime
-
1973
- 1973-03-20 DE DE2313738A patent/DE2313738A1/de active Pending
- 1973-03-22 CA CA166,774A patent/CA1002172A/en not_active Expired
- 1973-03-23 JP JP48033381A patent/JPS498261A/ja active Pending
- 1973-03-23 GB GB1418573A patent/GB1433623A/en not_active Expired
- 1973-03-23 FR FR7310591A patent/FR2177410A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3831434A (en) | 1974-08-27 |
| JPS498261A (enrdf_load_stackoverflow) | 1974-01-24 |
| GB1433623A (en) | 1976-04-28 |
| FR2177410A5 (enrdf_load_stackoverflow) | 1973-11-02 |
| CA1002172A (en) | 1976-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |