JPS51122425A - Speaker system - Google Patents

Speaker system

Info

Publication number
JPS51122425A
JPS51122425A JP4648475A JP4648475A JPS51122425A JP S51122425 A JPS51122425 A JP S51122425A JP 4648475 A JP4648475 A JP 4648475A JP 4648475 A JP4648475 A JP 4648475A JP S51122425 A JPS51122425 A JP S51122425A
Authority
JP
Japan
Prior art keywords
speaker system
directivity
performances
sound
give
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
JP4648475A
Other languages
Japanese (ja)
Inventor
Yasuaki Awanaka
Masaharu Kobayashi
Takeshi Nakayama
Tsuneji Koshikawa
Tanetoshi Miura
Rikuo Miyagawa
Keizo Nukada
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4648475A priority Critical patent/JPS51122425A/en
Publication of JPS51122425A publication Critical patent/JPS51122425A/en
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
    • H04R1/20—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)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

PURPOSE:To fully display the feature of sound of a speaker system by making it possible to give a change in performances such as power response and directivity in a listening range.
JP4648475A 1975-04-18 1975-04-18 Speaker system Pending JPS51122425A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4648475A JPS51122425A (en) 1975-04-18 1975-04-18 Speaker system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4648475A JPS51122425A (en) 1975-04-18 1975-04-18 Speaker system

Publications (1)

Publication Number Publication Date
JPS51122425A true JPS51122425A (en) 1976-10-26

Family

ID=12748470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4648475A Pending JPS51122425A (en) 1975-04-18 1975-04-18 Speaker system

Country Status (1)

Country Link
JP (1) JPS51122425A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54148501A (en) * 1978-03-16 1979-11-20 Akg Akustische Kino Geraete Device for reproducing at least 2 channels acoustic events transmitted in room
JPS5521692A (en) * 1978-07-28 1980-02-15 Bose Corp Device for converting space characteristic of loudspeaker
JPS5825796A (en) * 1981-08-10 1983-02-16 Victor Co Of Japan Ltd Variable directional speaker system
JPS58164397A (en) * 1982-03-24 1983-09-29 Matsushita Electric Ind Co Ltd Speaker unit

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54148501A (en) * 1978-03-16 1979-11-20 Akg Akustische Kino Geraete Device for reproducing at least 2 channels acoustic events transmitted in room
JPS5521692A (en) * 1978-07-28 1980-02-15 Bose Corp Device for converting space characteristic of loudspeaker
JPH0249080B2 (en) * 1978-07-28 1990-10-29 Bose Corp
JPS5825796A (en) * 1981-08-10 1983-02-16 Victor Co Of Japan Ltd Variable directional speaker system
JPS58164397A (en) * 1982-03-24 1983-09-29 Matsushita Electric Ind Co Ltd Speaker unit

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