GB2330724B - Method of manufacturing an electro-acoustic transducer - Google Patents

Method of manufacturing an electro-acoustic transducer

Info

Publication number
GB2330724B
GB2330724B GB9722466A GB9722466A GB2330724B GB 2330724 B GB2330724 B GB 2330724B GB 9722466 A GB9722466 A GB 9722466A GB 9722466 A GB9722466 A GB 9722466A GB 2330724 B GB2330724 B GB 2330724B
Authority
GB
United Kingdom
Prior art keywords
electro
manufacturing
acoustic transducer
acoustic
transducer
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 - Lifetime
Application number
GB9722466A
Other versions
GB2330724A (en
GB9722466D0 (en
Inventor
Ronald Gregory Hare
John William Thomas
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.)
Siemens Canada Ltd
Federal Industries Industrial Group Inc
Original Assignee
Siemens Milltronics Process Instruments Inc
Federal Industries Industrial Group Inc
Milltronics Ltd
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 Siemens Milltronics Process Instruments Inc, Federal Industries Industrial Group Inc, Milltronics Ltd filed Critical Siemens Milltronics Process Instruments Inc
Priority to GB9722466A priority Critical patent/GB2330724B/en
Publication of GB9722466D0 publication Critical patent/GB9722466D0/en
Priority to CA002251395A priority patent/CA2251395C/en
Priority to US09/178,699 priority patent/US6166998A/en
Publication of GB2330724A publication Critical patent/GB2330724A/en
Application granted granted Critical
Publication of GB2330724B publication Critical patent/GB2330724B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
GB9722466A 1997-10-24 1997-10-24 Method of manufacturing an electro-acoustic transducer Expired - Lifetime GB2330724B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9722466A GB2330724B (en) 1997-10-24 1997-10-24 Method of manufacturing an electro-acoustic transducer
CA002251395A CA2251395C (en) 1997-10-24 1998-10-26 Moulded transducer
US09/178,699 US6166998A (en) 1997-10-24 1998-10-26 Moulded transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9722466A GB2330724B (en) 1997-10-24 1997-10-24 Method of manufacturing an electro-acoustic transducer

Publications (3)

Publication Number Publication Date
GB9722466D0 GB9722466D0 (en) 1997-12-24
GB2330724A GB2330724A (en) 1999-04-28
GB2330724B true GB2330724B (en) 2002-01-16

Family

ID=10821018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9722466A Expired - Lifetime GB2330724B (en) 1997-10-24 1997-10-24 Method of manufacturing an electro-acoustic transducer

Country Status (1)

Country Link
GB (1) GB2330724B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2336967A (en) * 1998-05-01 1999-11-03 Federal Ind Ind Group Inc Piezoelectric transducer made from preformed mouldings of acoustic material around the vibrating element

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011473A (en) * 1974-08-26 1977-03-08 Fred M. Dellorfano, Jr. & Donald P. Massa, Trustees Of The Stoneleigh Trust Ultrasonic transducer with improved transient response and method for utilizing transducer to increase accuracy of measurement of an ultrasonic flow meter
GB2260059A (en) * 1991-09-27 1993-03-31 Federal Ind Ind Group Inc Piezoelectric acoustic transducer
US5550790A (en) * 1995-02-10 1996-08-27 Kistler-Morse Corporation Acoustic transducer for level measurement in corrosive chemical environments

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011473A (en) * 1974-08-26 1977-03-08 Fred M. Dellorfano, Jr. & Donald P. Massa, Trustees Of The Stoneleigh Trust Ultrasonic transducer with improved transient response and method for utilizing transducer to increase accuracy of measurement of an ultrasonic flow meter
GB2260059A (en) * 1991-09-27 1993-03-31 Federal Ind Ind Group Inc Piezoelectric acoustic transducer
US5550790A (en) * 1995-02-10 1996-08-27 Kistler-Morse Corporation Acoustic transducer for level measurement in corrosive chemical environments

Also Published As

Publication number Publication date
GB2330724A (en) 1999-04-28
GB9722466D0 (en) 1997-12-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120301 AND 20120307

PE20 Patent expired after termination of 20 years

Expiry date: 20171023