NL8801849A - Ultrasonore detector voor dunne films. - Google Patents

Ultrasonore detector voor dunne films. Download PDF

Info

Publication number: NL8801849A
Authority: NL; Netherlands
Prior art keywords: receiver; film; ultrasonic; transmitter; detector according
Prior art date: 1987-08-05

Application number

NL8801849A

Other languages

English (en)

Dutch (nl)

Original Assignee

Eskofot As

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.)

1987-08-05

Filing date

1988-07-21

Publication date

1989-03-01

1988-07-21 Application filed by Eskofot As filed Critical Eskofot As

1989-03-01 Publication of NL8801849A publication Critical patent/NL8801849A/nl

Links

239000010409 thin film Substances 0.000 title claims description 4
239000010408 film Substances 0.000 claims description 11
239000002184 metal Substances 0.000 claims description 6
239000002245 particle Substances 0.000 claims description 3
239000012530 fluid Substances 0.000 claims description 2
230000008929 regeneration Effects 0.000 claims 1
238000011069 regeneration method Methods 0.000 claims 1
239000012528 membrane Substances 0.000 description 16
239000002985 plastic film Substances 0.000 description 8
229920006255 plastic film Polymers 0.000 description 8
239000013078 crystal Substances 0.000 description 6
239000000463 material Substances 0.000 description 5
230000002238 attenuated effect Effects 0.000 description 4
239000003990 capacitor Substances 0.000 description 3
239000000919 ceramic Substances 0.000 description 3
230000035945 sensitivity Effects 0.000 description 3
230000005540 biological transmission Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
229920001971 elastomer Polymers 0.000 description 2
230000002452 interceptive effect Effects 0.000 description 2
229920002635 polyurethane Polymers 0.000 description 2
239000004814 polyurethane Substances 0.000 description 2
239000011358 absorbing material Substances 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
230000003321 amplification Effects 0.000 description 1
230000008602 contraction Effects 0.000 description 1
238000001514 detection method Methods 0.000 description 1
238000002955 isolation Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
239000004620 low density foam Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000003199 nucleic acid amplification method Methods 0.000 description 1
230000000644 propagated effect Effects 0.000 description 1
238000004080 punching Methods 0.000 description 1
230000001172 regenerating effect Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1
239000000126 substance Substances 0.000 description 1
230000003313 weakening effect Effects 0.000 description 1

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/908—Material level detection, e.g. liquid level

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Transducers For Ultrasonic Waves (AREA)
Controlling Sheets Or Webs (AREA)

NL8801849A 1987-08-05 1988-07-21 Ultrasonore detector voor dunne films. NL8801849A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DK408387A DK163451C (da)	1987-08-05	1987-08-05	Fremgangsmaade til detektion af isaer tynde folier
DK408387		1987-08-05

Publications (1)

Publication Number	Publication Date
NL8801849A true NL8801849A (nl)	1989-03-01

Family

ID=8130008

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8801849A NL8801849A (nl)	1987-08-05	1988-07-21	Ultrasonore detector voor dunne films.

Country Status (6)

Country	Link
US (1)	US5023846A (da)
JP (1)	JPH0198922A (da)
DE (1)	DE3824715A1 (da)
DK (1)	DK163451C (da)
GB (1)	GB2207754B (da)
NL (1)	NL8801849A (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4143212A1 (de) *	1991-12-30	1993-07-01	Rieter Ag Maschf	Sender-empfaenger-system
US6511064B1 (en) *	2000-04-19	2003-01-28	Eastman Kodak Company	Method and apparatus for multiple document detection using ultrasonic phase shift amplitude
EP1701902B1 (de) *	2004-01-07	2014-07-09	Pepperl + Fuchs GmbH	Verfahren und vorrichtung zur berührungslosen detektion von flächigen objekten
DE102005026200A1 (de)	2005-06-07	2006-12-21	Pepperl + Fuchs Gmbh	Detektion und Vorrichtung zur Detektion von Aufzeichnungsträgern
KR20090116039A (ko) *	2008-05-06	2009-11-11	한국표준과학연구원	음향 임피던스 변화를 이용한 압력측정장치
KR20090116040A (ko) *	2008-05-06	2009-11-11	한국표준과학연구원	음향 임피던스 정합층을 이용한 용기부 내의 압력측정장치
US8585050B2 (en)	2011-12-06	2013-11-19	Eastman Kodak Company	Combined ultrasonic-based multifeed detection system and sound-based damage detection system
JP6395283B2 (ja)	2014-03-20	2018-09-26	国立大学法人九州工業大学	音波センサ
CN112730626B (zh) *	2021-01-05	2021-11-09	中国科学院声学研究所	一种基于矢量传感器的现场隔声测量装置及测量方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB710124A (en) *	1950-09-22	1954-06-09	British Thomson Houston Co Ltd	Improvements in and relating to methods of measuring thickness or density of thin sheets
US3016460A (en) *	1958-04-14	1962-01-09	Goodyear Tire & Rubber	Method and apparatus for web thickness control
US3065455A (en) *	1958-10-07	1962-11-20	Wilfred Roth	Detection apparatus
US3342284A (en) *	1966-01-10	1967-09-19	James D Baird	Web position measuring device and method
US3603680A (en) *	1969-12-24	1971-09-07	Xerox Corp	Ultrasonic paper detection
CH543075A (de) *	1972-03-15	1973-10-15	Zellweger Uster Ag	Verfahren und Vorrichtung zur mindestens näherungsweisen Bestimmung der Querschnittsgrösse von faden- oder drahtförmigem Material, insbesondere von Erzeugnissen der Textilindustrie und der Drahtfabrikation
US3881353A (en) *	1974-04-29	1975-05-06	Dickey John Corp	Ultrasonic sensor
US4066969A (en) *	1975-09-22	1978-01-03	Eastman Kodak Company	Multiple sheet detecting apparatus
DE2754040A1 (de) *	1977-12-05	1979-06-13	Roland Offsetmaschf	Warnsystem fuer druckmaschinen
DE2917510C2 (de) *	1979-04-30	1982-12-23	Krautkrämer, GmbH, 5000 Köln	Verfahren zur automatischen Erkennung der Breite, der Kopf- und der Seitenkonturen von blech- oder bandförmigen Prüfstücken bei der Werkstoffprüfung mit Ultraschall
NL8000295A (nl) *	1980-01-17	1981-08-17	Oce Nederland Bv	Inrichting voor het detekteren van velvormige voorwerpen.
DE3048710A1 (de) *	1980-12-23	1982-07-15	GAO Gesellschaft für Automation und Organisation mbH, 8000 München	"verfahren zur pruefung des flaechengewichts von duennem material"
US4368438A (en) *	1981-01-26	1983-01-11	Oce-Nederland B.V.	System for detecting sheet-like objects
DE3117236A1 (de) *	1981-04-30	1982-11-18	Agfa-Gevaert Ag, 5090 Leverkusen	Verfahren zur abtastung von gegenstaenden
US4494841A (en) *	1983-09-12	1985-01-22	Eastman Kodak Company	Acoustic transducers for acoustic position sensing apparatus

1987
- 1987-08-05 DK DK408387A patent/DK163451C/da not_active IP Right Cessation
1988
- 1988-07-12 GB GB8816536A patent/GB2207754B/en not_active Expired - Fee Related
- 1988-07-20 DE DE3824715A patent/DE3824715A1/de not_active Withdrawn
- 1988-07-21 NL NL8801849A patent/NL8801849A/nl not_active Application Discontinuation
- 1988-08-05 JP JP63194668A patent/JPH0198922A/ja active Pending
1990
- 1990-02-28 US US07/490,492 patent/US5023846A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US5023846A (en)	1991-06-11
DK163451C (da)	1992-07-20
GB2207754A (en)	1989-02-08
JPH0198922A (ja)	1989-04-17
DK163451B (da)	1992-03-02
GB8816536D0 (en)	1988-08-17
DK408387D0 (da)	1987-08-05
DK408387A (da)	1989-02-06
GB2207754B (en)	1991-10-09
DE3824715A1 (de)	1989-02-16

Legal Events

Date	Code	Title	Description
1991-03-01	BV	The patent application has lapsed

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US4264788A (en)	1981-04-28	Damped ultrasonic detection unit
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CN102859580B (zh)	2018-03-06	用于触发超声传感器的方法以及超声传感器
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NL8801849A (nl)	1989-03-01	Ultrasonore detector voor dunne films.
CN100411215C (zh)	2008-08-13	组合式超声波换能器
MXPA94009546A (en)	1997-08-01	Ultrasonic device to detect the presence of a fluid in a definite place
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JPH1068718A (ja)	1998-03-10	特に窓の表面上の異物の存在を検出する超音波装置
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Massa	1965	Ultrasonic transducers for use in air
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US7835227B2 (en)	2010-11-16	Staged sodar sounding
JP4213797B2 (ja)	2009-01-21	超音波送受波器
JP3528491B2 (ja)	2004-05-17	超音波送受波器
US6393920B1 (en)	2002-05-28	Sound pressure sensing device
WO2005095946A1 (ja)	2005-10-13	超音波トランスデューサの駆動方法
JPS6367149B2 (da)	1988-12-23
GB2128326A (en)	1984-04-26	Non-intrusive liquid level switch
US12265185B2 (en)	2025-04-01	Variable resonance frequency acoustic wave emission and/or detection device
JPS63295350A (ja)	1988-12-01	シ−ト重複検知装置
JPH0454471Y2 (da)	1992-12-21
JP2543956B2 (ja)	1996-10-16	超音波ホ―ン取付構造