AU1364683A - Creación de Inventos y Patentes con Inteligencia Artificial

AU1364683A – Portable liquid crystal testing device
– Google Patents

AU1364683A – Portable liquid crystal testing device
– Google Patents
Portable liquid crystal testing device

Info

Publication number
AU1364683A

AU1364683A
AU13646/83A
AU1364683A
AU1364683A
AU 1364683 A
AU1364683 A
AU 1364683A
AU 13646/83 A
AU13646/83 A
AU 13646/83A
AU 1364683 A
AU1364683 A
AU 1364683A
AU 1364683 A
AU1364683 A
AU 1364683A
Authority
AU
Australia
Prior art keywords
liquid crystal
testing device
portable liquid
crystal testing
portable
Prior art date
1981-09-08
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.)

Granted

Application number
AU13646/83A
Other versions

AU559027B2
(en

Inventor
Jaswinder S. Sandhu
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.)

Individual

Original Assignee
Individual
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.)
1981-09-08
Filing date
1983-04-19
Publication date
1984-10-25

1983-04-19
Application filed by Individual
filed
Critical
Individual

1984-10-25
Publication of AU1364683A
publication
Critical
patent/AU1364683A/en

1987-02-19
Application granted
granted
Critical

1987-02-19
Publication of AU559027B2
publication
Critical
patent/AU559027B2/en

2003-04-19
Anticipated expiration
legal-status
Critical

Status
Ceased
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

A—HUMAN NECESSITIES

A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE

A61B—DIAGNOSIS; SURGERY; IDENTIFICATION

A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves

A61B8/42—Details of probe positioning or probe attachment to the patient

A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue

A61B8/4281—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue

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

G01—MEASURING; TESTING

G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES

G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems

G01S15/88—Sonar systems specially adapted for specific applications

G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging

G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques

G01S15/8965—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using acousto-optical or acousto-electronic conversion techniques

G—PHYSICS

G01—MEASURING; TESTING

G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00

G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00

G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging

G01S7/52076—Luminous indicators

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

AU13646/83A
1981-09-08
1983-04-19
Portable liquid crystal testing device

Ceased

AU559027B2
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

US06/300,003

US4393712A
(en)

1981-09-08
1981-09-08
Portable liquid crystal testing device

Publications (2)

Publication Number
Publication Date

AU1364683A
true

AU1364683A
(en)

1984-10-25

AU559027B2

AU559027B2
(en)

1987-02-19

Family
ID=23157247
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU13646/83A
Ceased

AU559027B2
(en)

1981-09-08
1983-04-19
Portable liquid crystal testing device

Country Status (4)

Country
Link

US
(1)

US4393712A
(en)

EP
(1)

EP0122342B1
(en)

AU
(1)

AU559027B2
(en)

CA
(1)

CA1185692A
(en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

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

US5329817A
(en)

1991-11-22
1994-07-19
Advanced Imaging Systems
Ultrasonic holography imaging method and apparatus

JP2840040B2
(en)

1994-12-22
1998-12-24
アロカ株式会社

Measurement method of sound velocity in tissue

US5617864A
(en)

1995-08-04
1997-04-08
Animal Ultrasound Services, Inc.
Method and apparatus for positioning an ultrasonic transducer and a display screen

KR0180056B1
(en)

1995-09-13
1999-04-01
이민화
A portable ultrasonic diagnostic system

US6049411A
(en)

1998-10-14
2000-04-11
Santec Systems Inc
Optical imager for birefringent detector acoustic imaging systems

US6250550B1
(en)

1999-06-14
2001-06-26
International Business Machines Corporation
Automated media storage library with variable focal length lens

US6321023B1
(en)

2000-06-20
2001-11-20
Honghui Wang
Serial imager for birefringent detector acoustic imaging systems

US9830523B2
(en)

2012-05-31
2017-11-28
Korea Institute Of Science And Technology
Method and apparatus for recognizing object material using spatial image and spatial radar information

Family Cites Families (6)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

GB1330027A
(en)

1970-06-03
1973-09-12
Centre Techn Ind Mecanique
Device for non-destructive measurement of a surface layer of a material

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

DK141649B
(en)

1975-09-12
1980-05-19
Palle Rasmus Jensen

Method and apparatus for imaging three-dimensional structures.

DE2742220A1
(en)

1976-10-12
1978-04-13
Arco Ag

METHOD FOR PRODUCING IMAGES OF MECHANICAL VIBRATIONS, THE FREQUENCY OF WHICH IS IN THE ULTRASONIC RANGE AND EQUIPMENT FOR EXECUTING THE SAME

CA1112750A
(en)

1978-10-13
1981-11-17
Jean-Luc Dion
Liquid crystal acousto-optic cell

1981

1981-09-08
US
US06/300,003
patent/US4393712A/en
not_active
Expired – Fee Related

1983

1983-04-14
EP
EP83302090A
patent/EP0122342B1/en
not_active
Expired

1983-04-19
CA
CA000426204A
patent/CA1185692A/en
not_active
Expired

1983-04-19
AU
AU13646/83A
patent/AU559027B2/en
not_active
Ceased

Also Published As

Publication number
Publication date

EP0122342A1
(en)

1984-10-24

US4393712A
(en)

1983-07-19

EP0122342B1
(en)

1988-07-13

AU559027B2
(en)

1987-02-19

CA1185692A
(en)

1985-04-16

Información de contacto