ATE29782T1 - Zerstoerungsfreie pruefungsanordnung mit einem fluessigkristalldetektor. - Google Patents

Zerstoerungsfreie pruefungsanordnung mit einem fluessigkristalldetektor.

Info

Publication number
ATE29782T1
ATE29782T1 AT83304107T AT83304107T ATE29782T1 AT E29782 T1 ATE29782 T1 AT E29782T1 AT 83304107 T AT83304107 T AT 83304107T AT 83304107 T AT83304107 T AT 83304107T AT E29782 T1 ATE29782 T1 AT E29782T1
Authority
AT
Austria
Prior art keywords
liquid crystal
cell
ultrasonic
covers
ultrasonic energy
Prior art date
Application number
AT83304107T
Other languages
English (en)
Inventor
Jaswinder Singh Dr Sandhu
Original Assignee
Raj Technology Partnership
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 Raj Technology Partnership filed Critical Raj Technology Partnership
Application granted granted Critical
Publication of ATE29782T1 publication Critical patent/ATE29782T1/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • 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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • 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)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Pathology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Acoustics & Sound (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Liquid Crystal (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
AT83304107T 1982-07-20 1983-07-15 Zerstoerungsfreie pruefungsanordnung mit einem fluessigkristalldetektor. ATE29782T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/399,997 US4506550A (en) 1981-02-06 1982-07-20 Non-destructive testing system employing a liquid crystal detector cell
EP83304107A EP0101189B1 (de) 1982-07-20 1983-07-15 Zerstörungsfreie Prüfungsanordnung mit einem Flüssigkristalldetektor

Publications (1)

Publication Number Publication Date
ATE29782T1 true ATE29782T1 (de) 1987-10-15

Family

ID=23581799

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83304107T ATE29782T1 (de) 1982-07-20 1983-07-15 Zerstoerungsfreie pruefungsanordnung mit einem fluessigkristalldetektor.

Country Status (10)

Country Link
US (1) US4506550A (de)
EP (1) EP0101189B1 (de)
JP (1) JPS5972057A (de)
AT (1) ATE29782T1 (de)
AU (1) AU567880B2 (de)
CA (1) CA1212447A (de)
DE (1) DE3373704D1 (de)
IL (1) IL69223A (de)
MX (1) MX153563A (de)
ZA (1) ZA835206B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530242A (en) * 1983-07-25 1985-07-23 Raj Technology, Inc. Movable ultrasonic transducer array
US4652086A (en) * 1983-12-27 1987-03-24 Raj Technology, Inc. Ultrasonic detector cell and system
US4651567A (en) * 1985-09-13 1987-03-24 Raj Technology, Inc. Non-coherent frequency source and sector scanning apparatus for ultrasonic imaging system using a liquid crystal detector cell
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
US4788865A (en) * 1986-11-26 1988-12-06 Raj Technology, Inc. Construction of liquid crystal cell for acoustic imaging
US5311137A (en) * 1989-10-27 1994-05-10 Hughes Aircraft Company Liquid crystal electric field tester for circuit boards
JPH07113533B2 (ja) * 1990-11-30 1995-12-06 浜松ホトニクス株式会社 光学的変形量測定装置
DE69225738T2 (de) * 1991-03-27 1998-10-01 Technology Co Ag Flüssigkristallanzeigeelement und Projektionsanordnung unter Verwendung desselben
US5732706A (en) * 1996-03-22 1998-03-31 Lockheed Martin Ir Imaging Systems, Inc. Ultrasonic array with attenuating electrical interconnects
WO1999057528A1 (en) 1998-05-02 1999-11-11 Focal, Inc. Light source power tester
US6049411A (en) * 1998-10-14 2000-04-11 Santec Systems Inc Optical imager for birefringent detector acoustic imaging systems
US6552841B1 (en) * 2000-01-07 2003-04-22 Imperium Advanced Ultrasonic Imaging Ultrasonic imager
US6321023B1 (en) 2000-06-20 2001-11-20 Honghui Wang Serial imager for birefringent detector acoustic imaging systems
US8063540B2 (en) * 2004-03-08 2011-11-22 Emantec As High frequency ultrasound transducers based on ceramic films
TWI350414B (en) * 2007-04-20 2011-10-11 Chimei Innolux Corp Alignment device and alignment method
GB0903383D0 (en) * 2009-02-27 2009-04-08 Syngenta Ltd Sensor
US9671277B2 (en) * 2015-01-22 2017-06-06 Jaswinder Singh Sandhu Light imaging system for an acoustic imaging system
GB2586534B (en) * 2019-04-30 2023-05-10 Merck Patent Gmbh Acousto-optical device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707323A (en) * 1970-11-06 1972-12-26 Zenith Radio Corp Liquid crystal devices and systems for ultrasonic imaging
US3831434A (en) * 1972-03-23 1974-08-27 Vari Light Corp Methods and apparatus for image display of sound waves and utilizations thereof
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
US4492107A (en) * 1982-03-22 1985-01-08 Raj Technology Partnership Acoustic power meter

Also Published As

Publication number Publication date
US4506550A (en) 1985-03-26
AU1692083A (en) 1984-01-26
CA1212447A (en) 1986-10-07
IL69223A (en) 1986-09-30
MX153563A (es) 1986-11-14
DE3373704D1 (en) 1987-10-22
EP0101189A2 (de) 1984-02-22
JPS5972057A (ja) 1984-04-23
EP0101189B1 (de) 1987-09-16
EP0101189A3 (en) 1984-10-17
AU567880B2 (en) 1987-12-10
ZA835206B (en) 1984-04-25
IL69223A0 (en) 1983-11-30

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