GB2059716B - Device and transducer for ultra sound echographic examination - Google Patents

Device and transducer for ultra sound echographic examination

Info

Publication number
GB2059716B
GB2059716B GB8030509A GB8030509A GB2059716B GB 2059716 B GB2059716 B GB 2059716B GB 8030509 A GB8030509 A GB 8030509A GB 8030509 A GB8030509 A GB 8030509A GB 2059716 B GB2059716 B GB 2059716B
Authority
GB
United Kingdom
Prior art keywords
transducer
ultra sound
echographic examination
echographic
examination
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
Application number
GB8030509A
Other versions
GB2059716A (en
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB2059716A publication Critical patent/GB2059716A/en
Application granted granted Critical
Publication of GB2059716B publication Critical patent/GB2059716B/en
Expired 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
    • B06B1/0622—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 on one surface
    • B06B1/0625—Annular array
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (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)
GB8030509A 1979-09-26 1980-09-22 Device and transducer for ultra sound echographic examination Expired GB2059716B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7923935A FR2466164A1 (en) 1979-09-26 1979-09-26 ULTRASONIC TRANSDUCER WITH VARIABLE SENSITIVITY AND ULTRASONIC TRANSCEIVER DEVICE EQUIPPED WITH SAID TRANSDUCER

Publications (2)

Publication Number Publication Date
GB2059716A GB2059716A (en) 1981-04-23
GB2059716B true GB2059716B (en) 1983-07-06

Family

ID=9230032

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8030509A Expired GB2059716B (en) 1979-09-26 1980-09-22 Device and transducer for ultra sound echographic examination

Country Status (4)

Country Link
JP (1) JPS5657972A (en)
DE (1) DE3035675A1 (en)
FR (1) FR2466164A1 (en)
GB (1) GB2059716B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5438554A (en) * 1993-06-15 1995-08-01 Hewlett-Packard Company Tunable acoustic resonator for clinical ultrasonic transducers

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57211342A (en) * 1981-06-22 1982-12-25 Hitachi Medical Corp Ultrasonic imaging apparatus
JPS5985973A (en) * 1982-11-08 1984-05-18 Hitachi Medical Corp Multiring electronic focusing type ultrasonic apparatus
JP2633576B2 (en) * 1987-09-10 1997-07-23 株式会社東芝 Ultrasound diagnostic equipment
US5410205A (en) * 1993-02-11 1995-04-25 Hewlett-Packard Company Ultrasonic transducer having two or more resonance frequencies
US5465725A (en) * 1993-06-15 1995-11-14 Hewlett Packard Company Ultrasonic probe
US5460181A (en) * 1994-10-06 1995-10-24 Hewlett Packard Co. Ultrasonic transducer for three dimensional imaging
US5345139A (en) * 1993-08-27 1994-09-06 Hewlett-Packard Company Electrostrictive ultrasonic probe having expanded operating temperature range
US5585546A (en) * 1994-10-31 1996-12-17 Hewlett-Packard Company Apparatus and methods for controlling sensitivity of transducers
FR2790635B1 (en) 1999-03-05 2001-04-13 France Etat TRIBOELECTRIC DEVICE
JP5874208B2 (en) * 2011-06-15 2016-03-02 セイコーエプソン株式会社 Piezoelectric sensor device, ultrasonic sensor, and driving method of piezoelectric sensor device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372245A (en) * 1963-01-25 1968-03-05 Matsushita Electric Ind Co Ltd Electrostatic electro-acoustic transducer
FR1366825A (en) * 1963-05-15 1964-07-17 Csf Electrostriction ultrasound projector
DE2202989A1 (en) * 1972-01-21 1973-07-26 Siemens Ag FOCUSED ULTRASONIC CONVERTER

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5438554A (en) * 1993-06-15 1995-08-01 Hewlett-Packard Company Tunable acoustic resonator for clinical ultrasonic transducers

Also Published As

Publication number Publication date
JPS5657972A (en) 1981-05-20
DE3035675A1 (en) 1981-06-04
GB2059716A (en) 1981-04-23
FR2466164B1 (en) 1982-11-19
FR2466164A1 (en) 1981-03-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee