IT1128964B - Trasduttore elettroacustico risonante con risposta ad aumentata larghezza di banda - Google Patents

Trasduttore elettroacustico risonante con risposta ad aumentata larghezza di banda

Info

Publication number
IT1128964B
IT1128964B IT68182/80A IT6818280A IT1128964B IT 1128964 B IT1128964 B IT 1128964B IT 68182/80 A IT68182/80 A IT 68182/80A IT 6818280 A IT6818280 A IT 6818280A IT 1128964 B IT1128964 B IT 1128964B
Authority
IT
Italy
Prior art keywords
electroacoustic
response
increased bandwidth
resonant transducer
resonant
Prior art date
Application number
IT68182/80A
Other languages
English (en)
Other versions
IT8068182A0 (it
Inventor
Frank Massa
Original Assignee
Stoneleigh Trust
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 Stoneleigh Trust filed Critical Stoneleigh Trust
Publication of IT8068182A0 publication Critical patent/IT8068182A0/it
Application granted granted Critical
Publication of IT1128964B publication Critical patent/IT1128964B/it

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
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
IT68182/80A 1979-07-23 1980-07-23 Trasduttore elettroacustico risonante con risposta ad aumentata larghezza di banda IT1128964B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/059,902 US4297538A (en) 1979-07-23 1979-07-23 Resonant electroacoustic transducer with increased band width response

Publications (2)

Publication Number Publication Date
IT8068182A0 IT8068182A0 (it) 1980-07-23
IT1128964B true IT1128964B (it) 1986-06-04

Family

ID=22026021

Family Applications (2)

Application Number Title Priority Date Filing Date
IT8068135A IT8068135A0 (it) 1979-07-23 1980-07-16 Trasduttore elettroacustico risonante con risposta ad aumentata larghezza di banda
IT68182/80A IT1128964B (it) 1979-07-23 1980-07-23 Trasduttore elettroacustico risonante con risposta ad aumentata larghezza di banda

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT8068135A IT8068135A0 (it) 1979-07-23 1980-07-16 Trasduttore elettroacustico risonante con risposta ad aumentata larghezza di banda

Country Status (3)

Country Link
US (1) US4297538A (it)
ES (1) ES8104888A1 (it)
IT (2) IT8068135A0 (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2936908A1 (de) * 1979-09-12 1981-04-02 Siemens AG, 1000 Berlin und 8000 München Optische anordnung zum ueberwachen kritischer drehzahlen rotierender einrichtungen
US4566085A (en) * 1982-01-19 1986-01-21 Wein Products, Inc. High intensity ultrasonic generator
KR910004063A (ko) * 1988-07-28 1991-02-28 파브리-꽁띠 루까 고충실도 음을 재생하는 장치 및 방법
NL8902831A (nl) * 1989-11-16 1991-06-17 Philips Nv Luidsprekersysteem bevattende een helmholtz resonator gekoppeld met een akoestische buis.
US5751827A (en) * 1995-03-13 1998-05-12 Primo Microphones, Inc. Piezoelectric speaker
EP0839585A3 (en) * 1996-10-31 2000-12-27 Eastman Kodak Company Method and apparatus for testing transducer horn assembly debubbling devices
JP3416648B2 (ja) * 1997-08-23 2003-06-16 フラウンホーフアー−ゲゼルシヤフト・ツウル・フエルデルンク・デル・アンゲバンテン・フオルシユンク・エー・フアウ 音響トランスデューサー
US5995599A (en) * 1998-08-07 1999-11-30 Pocketscience, Inc. Coupler for an acoustic coupled communications device
US6778673B1 (en) * 1998-10-28 2004-08-17 Maximilian Hans Hobelsberger Tunable active sound absorbers
US6925187B2 (en) * 2000-03-28 2005-08-02 American Technology Corporation Horn array emitter
US20060233404A1 (en) * 2000-03-28 2006-10-19 American Technology Corporation. Horn array emitter
WO2005027570A1 (en) * 2003-09-16 2005-03-24 Koninklijke Philips Electronics N.V. High efficiency audio transducer
US7068176B2 (en) * 2004-03-01 2006-06-27 Signalone Safety, Inc. Smoke detector with sound quality enhancement chamber
US8615097B2 (en) 2008-02-21 2013-12-24 Bose Corportion Waveguide electroacoustical transducing
US8351630B2 (en) 2008-05-02 2013-01-08 Bose Corporation Passive directional acoustical radiating
US9179220B2 (en) 2012-07-10 2015-11-03 Google Inc. Life safety device with folded resonant cavity for low frequency alarm tones
US8810426B1 (en) 2013-04-28 2014-08-19 Gary Jay Morris Life safety device with compact circumferential acoustic resonator
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
CN214629449U (zh) * 2021-02-09 2021-11-09 深圳逗爱创新科技有限公司 一种超声波聚能装置和应用此装置的超声波驱赶器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1730425A (en) * 1929-10-08 Acoustic device
US1917012A (en) * 1931-02-05 1933-07-04 Bell Telephone Labor Inc Sound translating device
US3517390A (en) * 1968-02-29 1970-06-23 Layne Whitehead High power acoustic radiator
GB1376433A (en) * 1970-11-07 1974-12-04 Absalom R R Electric sound-producing device
US4006371A (en) * 1973-03-19 1977-02-01 Whitewater Electronics, Inc. Electroacoustical transducer comprising piezoelectric element
US4142186A (en) * 1977-08-01 1979-02-27 P. R. Mallory & Co., Inc. Means for improving the electroacoustical properties of a buzzer
US4176731A (en) * 1977-11-21 1979-12-04 Altec Corporation Two-section exponential acoustical horn

Also Published As

Publication number Publication date
IT8068135A0 (it) 1980-07-16
ES494331A0 (es) 1981-04-01
IT8068182A0 (it) 1980-07-23
ES8104888A1 (es) 1981-04-01
US4297538A (en) 1981-10-27

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