EP3681172A4 - Appareil acoustique - Google Patents

Appareil acoustique Download PDF

Info

Publication number
EP3681172A4
EP3681172A4 EP18850557.2A EP18850557A EP3681172A4 EP 3681172 A4 EP3681172 A4 EP 3681172A4 EP 18850557 A EP18850557 A EP 18850557A EP 3681172 A4 EP3681172 A4 EP 3681172A4
Authority
EP
European Patent Office
Prior art keywords
acoustic apparatus
acoustic
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.)
Pending
Application number
EP18850557.2A
Other languages
German (de)
English (en)
Other versions
EP3681172A1 (fr
Inventor
Hiroshi Yokota
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.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co 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 Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of EP3681172A1 publication Critical patent/EP3681172A1/fr
Publication of EP3681172A4 publication Critical patent/EP3681172A4/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
    • 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
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/36—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means by using a single aperture of dimensions not greater than the shortest operating wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/021—Transducers or their casings adapted for mounting in or to a wall or ceiling

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
EP18850557.2A 2017-09-04 2018-08-22 Appareil acoustique Pending EP3681172A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017169880A JP7038317B2 (ja) 2017-09-04 2017-09-04 音響装置
PCT/JP2018/030928 WO2019044606A1 (fr) 2017-09-04 2018-08-22 Appareil acoustique

Publications (2)

Publication Number Publication Date
EP3681172A1 EP3681172A1 (fr) 2020-07-15
EP3681172A4 true EP3681172A4 (fr) 2020-10-28

Family

ID=65526175

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18850557.2A Pending EP3681172A4 (fr) 2017-09-04 2018-08-22 Appareil acoustique

Country Status (3)

Country Link
EP (1) EP3681172A4 (fr)
JP (1) JP7038317B2 (fr)
WO (1) WO2019044606A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102195498B1 (ko) * 2019-04-01 2020-12-28 주식회사 뮤즈라이브 초음파를 이용한 인증 정보 전송 장치
KR102385861B1 (ko) * 2020-09-03 2022-04-12 주식회사 뮤즈라이브 인증 정보 전송 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008252576A (ja) * 2007-03-30 2008-10-16 Nohmi Bosai Ltd インターホン
JP2008276429A (ja) * 2007-04-27 2008-11-13 Dx Antenna Co Ltd 電子機器における押しボタン構造
JP2011186844A (ja) * 2010-03-09 2011-09-22 Panasonic Electric Works Co Ltd 警報装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5576776B2 (ja) 2010-03-01 2014-08-20 パナソニック株式会社 圧電スピーカおよびこの圧電スピーカを用いた警報装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008252576A (ja) * 2007-03-30 2008-10-16 Nohmi Bosai Ltd インターホン
JP2008276429A (ja) * 2007-04-27 2008-11-13 Dx Antenna Co Ltd 電子機器における押しボタン構造
JP2011186844A (ja) * 2010-03-09 2011-09-22 Panasonic Electric Works Co Ltd 警報装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019044606A1 *

Also Published As

Publication number Publication date
EP3681172A1 (fr) 2020-07-15
JP2019046270A (ja) 2019-03-22
WO2019044606A1 (fr) 2019-03-07
JP7038317B2 (ja) 2022-03-18

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