JPS60102100A - 拡声装置 - Google Patents

拡声装置

Info

Publication number
JPS60102100A
JPS60102100A JP21023083A JP21023083A JPS60102100A JP S60102100 A JPS60102100 A JP S60102100A JP 21023083 A JP21023083 A JP 21023083A JP 21023083 A JP21023083 A JP 21023083A JP S60102100 A JPS60102100 A JP S60102100A
Authority
JP
Japan
Prior art keywords
speaker
speakers
sound
delay
horn
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.)
Granted
Application number
JP21023083A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0122800B2 (enrdf_load_stackoverflow
Inventor
Kazuhide Sato
和栄 佐藤
Akihisa Kawamura
明久 川村
Yoko Enokida
榎田　葉子
Nobuhisa Atoji
跡地　信久
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP21023083A priority Critical patent/JPS60102100A/ja
Publication of JPS60102100A publication Critical patent/JPS60102100A/ja
Publication of JPH0122800B2 publication Critical patent/JPH0122800B2/ja
Granted 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
    • H04R1/20—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP21023083A 1983-11-08 1983-11-08 拡声装置 Granted JPS60102100A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21023083A JPS60102100A (ja) 1983-11-08 1983-11-08 拡声装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21023083A JPS60102100A (ja) 1983-11-08 1983-11-08 拡声装置

Publications (2)

Publication Number Publication Date
JPS60102100A true JPS60102100A (ja) 1985-06-06
JPH0122800B2 JPH0122800B2 (enrdf_load_stackoverflow) 1989-04-27

Family

ID=16585934

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21023083A Granted JPS60102100A (ja) 1983-11-08 1983-11-08 拡声装置

Country Status (1)

Country Link
JP (1) JPS60102100A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS639300A (ja) * 1986-06-27 1988-01-14 Matsushita Electric Ind Co Ltd スピ−カシステム
NO20181266A1 (en) * 2018-09-28 2020-03-30 Norphonic AS Sound system for tunnels, corridors and other long and narrow confined spaces

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS639300A (ja) * 1986-06-27 1988-01-14 Matsushita Electric Ind Co Ltd スピ−カシステム
NO20181266A1 (en) * 2018-09-28 2020-03-30 Norphonic AS Sound system for tunnels, corridors and other long and narrow confined spaces
EP3629604A1 (en) 2018-09-28 2020-04-01 Norphonic AS Sound system for tunnels, corridors and other long and narrow confined spaces
NO345184B1 (en) * 2018-09-28 2020-10-26 Norphonic AS Sound system for tunnels, corridors and other long and narrow confined spaces
US11218825B2 (en) 2018-09-28 2022-01-04 Norphonic AS Sound system for tunnels, corridors and other long and narrow confined spaces

Also Published As

Publication number Publication date
JPH0122800B2 (enrdf_load_stackoverflow) 1989-04-27

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