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
Application number
FR7310591A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vari-Light Corp
Original Assignee
Vari-Light Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vari-Light Corp filed Critical Vari-Light Corp
Application granted granted Critical
Publication of FR2177410A5 publication Critical patent/FR2177410A5/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/002Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means for representing acoustic field distribution
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H3/00Holographic 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)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Stereophonic System (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
FR7310591A 1972-03-23 1973-03-23 Expired FR2177410A5 (is)

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 (is) 1973-11-02

Family

ID=22893570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7310591A Expired FR2177410A5 (is) 1972-03-23 1973-03-23

Country Status (6)

Country Link
US (1) US3831434A (is)
JP (1) JPS498261A (is)
CA (1) CA1002172A (is)
DE (1) DE2313738A1 (is)
FR (1) FR2177410A5 (is)
GB (1) GB1433623A (is)

Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
WO1999015863A1 (en) * 1997-09-24 1999-04-01 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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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
JPS498261A (is) 1974-01-24
DE2313738A1 (de) 1973-09-27
GB1433623A (en) 1976-04-28
US3831434A (en) 1974-08-27

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse