DE69018692D1 - Ultraschallfühler mit unterdrückten Dilatationsschwingungen. - Google Patents

Ultraschallfühler mit unterdrückten Dilatationsschwingungen.

Info

Publication number
DE69018692D1
DE69018692D1 DE69018692T DE69018692T DE69018692D1 DE 69018692 D1 DE69018692 D1 DE 69018692D1 DE 69018692 T DE69018692 T DE 69018692T DE 69018692 T DE69018692 T DE 69018692T DE 69018692 D1 DE69018692 D1 DE 69018692D1
Authority
DE
Germany
Prior art keywords
dilation
vibrations
suppressed
ultrasonic probe
probe
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
DE69018692T
Other languages
English (en)
Other versions
DE69018692T2 (de
Inventor
J Fleming Dias
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69018692D1 publication Critical patent/DE69018692D1/de
Publication of DE69018692T2 publication Critical patent/DE69018692T2/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
    • B06B1/0607—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 multiple elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE69018692T 1989-05-16 1990-01-10 Ultraschallfühler mit unterdrückten Dilatationsschwingungen. Expired - Fee Related DE69018692T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/352,807 US5060653A (en) 1989-05-16 1989-05-16 Ultrasonic sensor with starved dilatational modes

Publications (2)

Publication Number Publication Date
DE69018692D1 true DE69018692D1 (de) 1995-05-24
DE69018692T2 DE69018692T2 (de) 1995-10-26

Family

ID=23386578

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69018692T Expired - Fee Related DE69018692T2 (de) 1989-05-16 1990-01-10 Ultraschallfühler mit unterdrückten Dilatationsschwingungen.

Country Status (3)

Country Link
US (1) US5060653A (de)
EP (1) EP0397958B1 (de)
DE (1) DE69018692T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7396332B2 (en) * 2002-06-10 2008-07-08 Scimed Life Systems, Inc. Transducer with multiple resonant frequencies for an imaging catheter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5353393A (en) * 1976-10-25 1978-05-15 Matsushita Electric Ind Co Ltd Ultrasonic probe
US4240003A (en) * 1979-03-12 1980-12-16 Hewlett-Packard Company Apparatus and method for suppressing mass/spring mode in acoustic imaging transducers
US4385255A (en) * 1979-11-02 1983-05-24 Yokogawa Electric Works, Ltd. Linear array ultrasonic transducer
JPS5741100A (en) * 1980-08-23 1982-03-06 Kureha Chem Ind Co Ltd Ultrasonic probe
US4442715A (en) * 1980-10-23 1984-04-17 General Electric Company Variable frequency ultrasonic system
FR2589247B1 (fr) * 1985-10-25 1988-06-10 Labo Electronique Physique Appareil d'exploration de milieux par echographie ultrasonore comprenant un reseau d'elements transducteurs piezoelectiques

Also Published As

Publication number Publication date
US5060653A (en) 1991-10-29
EP0397958A2 (de) 1990-11-22
DE69018692T2 (de) 1995-10-26
EP0397958B1 (de) 1995-04-19
EP0397958A3 (de) 1992-03-04

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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