CA1002172A - Methods and apparatus for image display or sound waves and utilization thereof - Google Patents

Methods and apparatus for image display or sound waves and utilization thereof

Info

Publication number
CA1002172A
CA1002172A CA166,774A CA166774A CA1002172A CA 1002172 A CA1002172 A CA 1002172A CA 166774 A CA166774 A CA 166774A CA 1002172 A CA1002172 A CA 1002172A
Authority
CA
Canada
Prior art keywords
utilization
methods
image display
sound waves
waves
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.)
Expired
Application number
CA166,774A
Other languages
English (en)
Other versions
CA166774S (en
Inventor
Pal Greguss
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA1002172A publication Critical patent/CA1002172A/en
Expired legal-status Critical Current

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)
  • Holo Graphy (AREA)
  • Liquid Crystal (AREA)
  • Stereophonic System (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
CA166,774A 1972-03-23 1973-03-22 Methods and apparatus for image display or sound waves and utilization thereof Expired CA1002172A (en)

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
CA1002172A true CA1002172A (en) 1976-12-21

Family

ID=22893570

Family Applications (1)

Application Number Title Priority Date Filing Date
CA166,774A Expired CA1002172A (en) 1972-03-23 1973-03-22 Methods and apparatus for image display or sound waves and utilization thereof

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)

* 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
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)

* 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

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
DE2313738A1 (de) 1973-09-27

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