DE3781207D1 - Ultraschallwandler fuer on-line-anwendungen. - Google Patents

Ultraschallwandler fuer on-line-anwendungen.

Info

Publication number
DE3781207D1
DE3781207D1 DE8787303010T DE3781207T DE3781207D1 DE 3781207 D1 DE3781207 D1 DE 3781207D1 DE 8787303010 T DE8787303010 T DE 8787303010T DE 3781207 T DE3781207 T DE 3781207T DE 3781207 D1 DE3781207 D1 DE 3781207D1
Authority
DE
Germany
Prior art keywords
ultrasonic transducers
line applications
applications
line
transducers
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 - Fee Related
Application number
DE8787303010T
Other languages
English (en)
Other versions
DE3781207T2 (de
Inventor
Gary Arthur Bokowski
David William Vahey
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.)
ACCU RAY CORP
Original Assignee
ACCU RAY CORP
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 ACCU RAY CORP filed Critical ACCU RAY CORP
Application granted granted Critical
Publication of DE3781207D1 publication Critical patent/DE3781207D1/de
Publication of DE3781207T2 publication Critical patent/DE3781207T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0648—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element of rectangular shape
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
    • G01G11/08—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers having means for controlling the rate of feed or discharge

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE8787303010T 1986-06-06 1987-04-07 Ultraschallwandler fuer on-line-anwendungen. Expired - Fee Related DE3781207T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/872,049 US4713572A (en) 1986-06-06 1986-06-06 Ultrasonic transducers for on-line applications

Publications (2)

Publication Number Publication Date
DE3781207D1 true DE3781207D1 (de) 1992-09-24
DE3781207T2 DE3781207T2 (de) 1993-04-22

Family

ID=25358728

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787303010T Expired - Fee Related DE3781207T2 (de) 1986-06-06 1987-04-07 Ultraschallwandler fuer on-line-anwendungen.

Country Status (4)

Country Link
US (1) US4713572A (de)
EP (1) EP0248512B1 (de)
CA (1) CA1287913C (de)
DE (1) DE3781207T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5493910A (en) * 1992-11-03 1996-02-27 Institute Of Paper Science And Technology, Inc. Method and system of measuring ultrasonic signals in the plane of a moving web
CA2106515A1 (en) * 1992-11-03 1994-05-04 Maclin S. Hall Out-of-plane ultrasonic velocity measurement
US5398538A (en) * 1993-01-28 1995-03-21 Abb Industrial Systems Inc. On-line measurement of ultrasonic velocities in web manufacturing processes
US5493372A (en) * 1994-10-07 1996-02-20 Xerox Corporation Method for fabricating a resonator
US5517291A (en) * 1994-10-31 1996-05-14 Xerox Corporation Resonator assembly including an adhesive layer having free flowing particulate bead elements
US5691503A (en) * 1994-10-31 1997-11-25 Hewlett-Packard Company Electro-magnetically shielded door hinge
US6579405B1 (en) 2000-11-27 2003-06-17 Xerox Corporation Method and apparatus for assembling an ultrasonic transducer
US8463560B2 (en) * 2005-09-21 2013-06-11 Testing Machines, Inc. Method and apparatus for measuring properties of board products
DE102006028369B4 (de) * 2006-06-19 2022-12-29 Aluminium Norf Gmbh Verfahren und Vorrichtung zur Prozesskontrolle beim Walzen von Metallen
US10441498B1 (en) 2018-10-18 2019-10-15 S-Wave Corp. Acoustic shock wave devices and methods for treating erectile dysfunction
US10695588B1 (en) * 2018-12-27 2020-06-30 Sonicon Inc. Cranial hair loss treatment using micro-energy acoustic shock wave devices and methods

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2460153A (en) * 1946-07-30 1949-01-25 Gen Electric Piezoelectric crystal holder
US2666862A (en) * 1951-04-11 1954-01-19 Branson Instr Rail flaw detection device
GB1126032A (en) * 1965-11-29 1968-09-05 Ass Elect Ind Improvements in or relating to dynamic strain transducers
US3792294A (en) * 1972-10-19 1974-02-12 Bell Telephone Labor Inc Rectangular at-cut crystal plate
US3950660A (en) * 1972-11-08 1976-04-13 Automation Industries, Inc. Ultrasonic contact-type search unit
US3935484A (en) * 1974-02-25 1976-01-27 Westinghouse Electric Corporation Replaceable acoustic transducer assembly
JPS5353393A (en) * 1976-10-25 1978-05-15 Matsushita Electric Ind Co Ltd Ultrasonic probe
US4291577A (en) * 1979-12-03 1981-09-29 The Institute Of Paper Chemistry On line ultrasonic velocity gauge
GB2095951A (en) * 1981-02-19 1982-10-06 Nat Res Dev Transducers of improved resolution and systems for the transmission and reception of radiation
JPS60137115A (ja) * 1983-12-26 1985-07-20 Murata Mfg Co Ltd 圧電振動子
FR2565033B1 (fr) * 1984-05-22 1987-06-05 Labo Electronique Physique Dispositif de transduction ultrasonore a reseau d'elements transducteurs piezoelectriques

Also Published As

Publication number Publication date
DE3781207T2 (de) 1993-04-22
EP0248512A3 (en) 1989-04-05
US4713572A (en) 1987-12-15
CA1287913C (en) 1991-08-20
EP0248512A2 (de) 1987-12-09
EP0248512B1 (de) 1992-08-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee