SG11202010752VA - Blocking plate structure for improved acoustic transmission efficiency - Google Patents

Blocking plate structure for improved acoustic transmission efficiency

Info

Publication number
SG11202010752VA
SG11202010752VA SG11202010752VA SG11202010752VA SG11202010752VA SG 11202010752V A SG11202010752V A SG 11202010752VA SG 11202010752V A SG11202010752V A SG 11202010752VA SG 11202010752V A SG11202010752V A SG 11202010752VA SG 11202010752V A SG11202010752V A SG 11202010752VA
Authority
SG
Singapore
Prior art keywords
plate structure
transmission efficiency
blocking plate
acoustic transmission
improved acoustic
Prior art date
Application number
SG11202010752VA
Other languages
English (en)
Inventor
Justin Buckland
Adam Jackson
Amaru Araya-Williams
Benjamin Long
Brian Kappus
Original Assignee
Ultrahaptics Ip 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 Ultrahaptics Ip Ltd filed Critical Ultrahaptics Ip Ltd
Publication of SG11202010752VA publication Critical patent/SG11202010752VA/en

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
    • B06B1/0662—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 with an electrode on the sensitive surface
    • B06B1/067—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 with an electrode on the sensitive surface which is used as, or combined with, an impedance matching layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive
    • F04B43/043—Micropumps
    • F04B43/046—Micropumps with piezoelectric drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
    • F04B45/047—Pumps having electric drive
    • 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
    • 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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22—Mountings; Casings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • General Engineering & Computer Science (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating Pumps (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Laminated Bodies (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
SG11202010752VA 2018-05-02 2019-05-02 Blocking plate structure for improved acoustic transmission efficiency SG11202010752VA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862665867P 2018-05-02 2018-05-02
US201962789261P 2019-01-07 2019-01-07
PCT/GB2019/051223 WO2019211616A1 (en) 2018-05-02 2019-05-02 Blocking plate structure for improved acoustic transmission efficiency

Publications (1)

Publication Number Publication Date
SG11202010752VA true SG11202010752VA (en) 2020-11-27

Family

ID=66476665

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202010752VA SG11202010752VA (en) 2018-05-02 2019-05-02 Blocking plate structure for improved acoustic transmission efficiency

Country Status (12)

Country Link
US (4) US10911861B2 (pt)
EP (2) EP4414556A2 (pt)
JP (1) JP7354146B2 (pt)
KR (1) KR20210002703A (pt)
CN (1) CN112384310A (pt)
AU (2) AU2019264014A1 (pt)
BR (1) BR112021000234A2 (pt)
CA (1) CA3098642C (pt)
MX (1) MX2020011492A (pt)
SG (1) SG11202010752VA (pt)
WO (1) WO2019211616A1 (pt)
ZA (1) ZA202006752B (pt)

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JP7484534B2 (ja) 2020-07-30 2024-05-16 セイコーエプソン株式会社 流体デバイス
JP7524658B2 (ja) 2020-07-30 2024-07-30 セイコーエプソン株式会社 流体デバイス
US11886639B2 (en) 2020-09-17 2024-01-30 Ultraleap Limited Ultrahapticons
JP2022085040A (ja) * 2020-11-27 2022-06-08 パナソニックＩｐマネジメント株式会社 音響整合層、超音波送受信器、及びこれを用いた超音波流速計、超音波流量計及び超音波濃度計
CN112871614B (zh) * 2021-01-12 2022-03-15 武汉大学 高发射性能的mems超声换能器
CN112924012A (zh) * 2021-01-25 2021-06-08 中航华东光电（上海）有限公司 一种密闭小空间声学参数测量方法
WO2024186162A1 (ko) * 2023-03-09 2024-09-12 한국기계연구원 다층 또는 불균일 장벽에 대한 임피던스 매칭용 메타구조체, 이를 포함하는 초음파 프로브, 및 이를 포함하는 초음파 영상진단 장치

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