ATE24967T1 - Verfahren und geraet zur schallfeldintensitaetsmessung. - Google Patents

Verfahren und geraet zur schallfeldintensitaetsmessung.

Info

Publication number
ATE24967T1
ATE24967T1 AT83301554T AT83301554T ATE24967T1 AT E24967 T1 ATE24967 T1 AT E24967T1 AT 83301554 T AT83301554 T AT 83301554T AT 83301554 T AT83301554 T AT 83301554T AT E24967 T1 ATE24967 T1 AT E24967T1
Authority
AT
Austria
Prior art keywords
liquid crystal
cell
condition
birefringence
nematic
Prior art date
Application number
AT83301554T
Other languages
English (en)
Inventor
Jaswinder Singh 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 ATE24967T1 publication Critical patent/ATE24967T1/de

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
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02881—Temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Amplifiers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Liquid Crystal (AREA)
AT83301554T 1982-03-22 1983-03-21 Verfahren und geraet zur schallfeldintensitaetsmessung. ATE24967T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/360,623 US4492107A (en) 1982-03-22 1982-03-22 Acoustic power meter

Publications (1)

Publication Number Publication Date
ATE24967T1 true ATE24967T1 (de) 1987-01-15

Family

ID=23418787

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83301554T ATE24967T1 (de) 1982-03-22 1983-03-21 Verfahren und geraet zur schallfeldintensitaetsmessung.

Country Status (10)

Country Link
US (1) US4492107A (de)
EP (1) EP0089841B1 (de)
JP (1) JPS58213220A (de)
AT (1) ATE24967T1 (de)
AU (1) AU560247B2 (de)
CA (1) CA1204496A (de)
DE (1) DE3369191D1 (de)
IL (1) IL68225A (de)
MX (1) MX153325A (de)
ZA (1) ZA831944B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506550A (en) * 1981-02-06 1985-03-26 Raj Technology Partnership Non-destructive testing system employing a liquid crystal detector cell
DK158752C (da) * 1984-02-29 1990-12-10 Bang & Olufsen As Fremgangsmaade og kredsloeb til maaling af et elektrisk signalforloebs intensitet
US5139509A (en) * 1989-08-25 1992-08-18 Site Microsurgical Systems, Inc. Phacoemulsification system with handpiece simulator
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
WO2005067817A1 (en) * 2004-01-13 2005-07-28 Remon Medical Technologies Ltd Devices for fixing a sensor in a body lumen
US20060122522A1 (en) * 2004-12-03 2006-06-08 Abhi Chavan Devices and methods for positioning and anchoring implantable sensor devices
US10390714B2 (en) * 2005-01-12 2019-08-27 Remon Medical Technologies, Ltd. Devices for fixing a sensor in a lumen
US8060214B2 (en) * 2006-01-05 2011-11-15 Cardiac Pacemakers, Inc. Implantable medical device with inductive coil configurable for mechanical fixation
US8676349B2 (en) 2006-09-15 2014-03-18 Cardiac Pacemakers, Inc. Mechanism for releasably engaging an implantable medical device for implantation
US20080071248A1 (en) * 2006-09-15 2008-03-20 Cardiac Pacemakers, Inc. Delivery stystem for an implantable physiologic sensor
JP5156749B2 (ja) * 2006-09-15 2013-03-06 カーディアック ペースメイカーズ， インコーポレイテッド 植え込み型センサ用アンカー
US8106674B2 (en) * 2006-10-31 2012-01-31 Lc Vision, Llc Automated liquid crystal analysis instrument
WO2008057720A1 (en) * 2006-11-08 2008-05-15 Cardiac Pacemakers, Inc. Implant for securing a sensor in a vessel
US8204599B2 (en) * 2007-05-02 2012-06-19 Cardiac Pacemakers, Inc. System for anchoring an implantable sensor in a vessel
US20080283066A1 (en) * 2007-05-17 2008-11-20 Cardiac Pacemakers, Inc. Delivery device for implantable sensors
WO2008156981A2 (en) 2007-06-14 2008-12-24 Cardiac Pacemakers, Inc. Multi-element acoustic recharging system
US8934987B2 (en) * 2008-07-15 2015-01-13 Cardiac Pacemakers, Inc. Implant assist apparatus for acoustically enabled implantable medical device
US8694129B2 (en) 2009-02-13 2014-04-08 Cardiac Pacemakers, Inc. Deployable sensor platform on the lead system of an implantable device
CA2935288C (en) 2014-01-08 2022-05-10 Smilesonica Inc. Apparatuses and methods for measuring and characterizing ultrasound
US9671277B2 (en) * 2015-01-22 2017-06-06 Jaswinder Singh Sandhu Light imaging system for an acoustic imaging system
US9757574B2 (en) 2015-05-11 2017-09-12 Rainbow Medical Ltd. Dual chamber transvenous pacemaker
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
US3137837A (en) * 1959-12-17 1964-06-16 Gen Motors Corp Ultrasonic power meter
US4035060A (en) * 1973-09-21 1977-07-12 Dainippon Printing Co., Ltd Electro-optic device
DE2742220A1 (de) * 1976-10-12 1978-04-13 Arco Ag Verfahren zur herstellung von abbildungen mechanischer schwingungen, deren frequenz im ultraschallbereich liegt und geraet zur ausfuehrung desselben
CA1112750A (fr) * 1978-10-13 1981-11-17 Jean-Luc Dion Cellule acousto-optique a cristal liquide
US4379408A (en) * 1981-01-12 1983-04-12 Raj Technology Partnership Liquid crystal technique for examining internal structures

Also Published As

Publication number Publication date
US4492107A (en) 1985-01-08
CA1204496A (en) 1986-05-13
MX153325A (es) 1986-09-12
AU560247B2 (en) 1987-04-02
DE3369191D1 (en) 1987-02-19
AU1264383A (en) 1983-09-29
IL68225A (en) 1987-12-20
ZA831944B (en) 1983-12-28
EP0089841B1 (de) 1987-01-14
EP0089841A1 (de) 1983-09-28
JPS58213220A (ja) 1983-12-12

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