EP4265553A4 - Système acoustique pour espace clos - Google Patents

Système acoustique pour espace clos Download PDF

Info

Publication number
EP4265553A4
EP4265553A4 EP20966775.7A EP20966775A EP4265553A4 EP 4265553 A4 EP4265553 A4 EP 4265553A4 EP 20966775 A EP20966775 A EP 20966775A EP 4265553 A4 EP4265553 A4 EP 4265553A4
Authority
EP
European Patent Office
Prior art keywords
closed space
acoustic system
acoustic
closed
space
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.)
Withdrawn
Application number
EP20966775.7A
Other languages
German (de)
English (en)
Other versions
EP4265553A1 (fr
Inventor
Susumu Fujiwara
Keigo Taruishi
Masami Aikawa
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP4265553A1 publication Critical patent/EP4265553A1/fr
Publication of EP4265553A4 publication Critical patent/EP4265553A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
    • B66B3/002—Indicators
    • 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
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/02—Synthesis of acoustic waves
    • 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • 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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Multimedia (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
EP20966775.7A 2020-12-21 2020-12-21 Système acoustique pour espace clos Withdrawn EP4265553A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/047633 WO2022137276A1 (fr) 2020-12-21 2020-12-21 Système acoustique pour espace clos

Publications (2)

Publication Number Publication Date
EP4265553A1 EP4265553A1 (fr) 2023-10-25
EP4265553A4 true EP4265553A4 (fr) 2024-03-06

Family

ID=82158613

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20966775.7A Withdrawn EP4265553A4 (fr) 2020-12-21 2020-12-21 Système acoustique pour espace clos

Country Status (4)

Country Link
EP (1) EP4265553A4 (fr)
JP (1) JP7475495B2 (fr)
CN (1) CN116568624A (fr)
WO (1) WO2022137276A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117241194B (zh) * 2023-11-14 2024-01-19 成都智科通信技术股份有限公司 基于声学特性的仓库扬声器控制方法、系统及介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019066667A (ja) * 2017-09-29 2019-04-25 株式会社アールライブ 環境音再生装置
CN110371826A (zh) * 2018-04-13 2019-10-25 上海三菱电梯有限公司 轿厢内智能声光系统
WO2020136872A1 (fr) * 2018-12-28 2020-07-02 三菱電機株式会社 Dispositif de purification d'atmosphère, procédé de purification d'atmosphère et ascenseur

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6012567U (ja) * 1983-07-06 1985-01-28 三菱電機株式会社 エレベ−タ
JPH0322260A (ja) * 1989-06-20 1991-01-30 Omron Corp Ｂｇｍ選択放送装置
JP2926099B2 (ja) * 1989-07-05 1999-07-28 清水建設株式会社 自然音再生装置
JP2008042691A (ja) * 2006-08-08 2008-02-21 Global Success Kk ミキシング装置
JP2009035340A (ja) 2007-07-31 2009-02-19 Mitsubishi Electric Building Techno Service Co Ltd エレベータかご内のｂｇｍ再生装置
JP5322607B2 (ja) 2008-12-01 2013-10-23 三菱電機株式会社 エレベータの音響制御装置及びエレベータの音響システム及びエレベータ装置
JP2016023000A (ja) * 2014-07-16 2016-02-08 株式会社日立製作所 エレベーター装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019066667A (ja) * 2017-09-29 2019-04-25 株式会社アールライブ 環境音再生装置
CN110371826A (zh) * 2018-04-13 2019-10-25 上海三菱电梯有限公司 轿厢内智能声光系统
WO2020136872A1 (fr) * 2018-12-28 2020-07-02 三菱電機株式会社 Dispositif de purification d'atmosphère, procédé de purification d'atmosphère et ascenseur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022137276A1 *

Also Published As

Publication number Publication date
JPWO2022137276A1 (fr) 2022-06-30
JP7475495B2 (ja) 2024-04-26
CN116568624A (zh) 2023-08-08
WO2022137276A1 (fr) 2022-06-30
EP4265553A1 (fr) 2023-10-25

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