FR2177410A5 - - Google Patents
Info
- Publication number
- FR2177410A5 FR2177410A5 FR7310591A FR7310591A FR2177410A5 FR 2177410 A5 FR2177410 A5 FR 2177410A5 FR 7310591 A FR7310591 A FR 7310591A FR 7310591 A FR7310591 A FR 7310591A FR 2177410 A5 FR2177410 A5 FR 2177410A5
- 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
- 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)
- Liquid Crystal (AREA)
- Holo Graphy (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Stereophonic System (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (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 |
---|---|
FR2177410A5 true FR2177410A5 (US07321065-20080122-C00020.png) | 1973-11-02 |
Family
ID=22893570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7310591A Expired FR2177410A5 (US07321065-20080122-C00020.png) | 1972-03-23 | 1973-03-23 |
Country Status (6)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010492A2 (fr) * | 1978-10-13 | 1980-04-30 | Jean-Luc Dion | Cellule acousto-optique à cristal liquide et dispositif de visualisation comportant une telle cellule |
EP0122342A1 (en) * | 1981-09-08 | 1984-10-24 | Raj Technology Partnership | Portable liquid crystal testing device |
Families Citing this family (19)
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 |
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 |
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 |
WO1995034186A1 (en) * | 1994-06-03 | 1995-12-14 | Apple Computer, Inc. | System for producing directional sound in computer-based virtual environments |
EP1017973A1 (en) * | 1997-09-24 | 2000-07-12 | 3DV Systems Ltd. | Acoustical imaging system |
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 GB GB1418573A patent/GB1433623A/en not_active Expired
- 1973-03-23 JP JP48033381A patent/JPS498261A/ja active Pending
- 1973-03-23 FR FR7310591A patent/FR2177410A5/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010492A2 (fr) * | 1978-10-13 | 1980-04-30 | Jean-Luc Dion | Cellule acousto-optique à cristal liquide et dispositif de visualisation comportant une telle cellule |
EP0010492A3 (en) * | 1978-10-13 | 1980-05-14 | Jean-Luc Dion | Liquid crystal acousto-optic cell and visualisation device comprising such a cell |
EP0122342A1 (en) * | 1981-09-08 | 1984-10-24 | Raj Technology Partnership | Portable liquid crystal testing device |
Also Published As
Publication number | Publication date |
---|---|
CA1002172A (en) | 1976-12-21 |
DE2313738A1 (de) | 1973-09-27 |
GB1433623A (en) | 1976-04-28 |
US3831434A (en) | 1974-08-27 |
JPS498261A (US07321065-20080122-C00020.png) | 1974-01-24 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |