JPS6133431B2 - - Google Patents

Info

Publication number
JPS6133431B2
JPS6133431B2 JP13509879A JP13509879A JPS6133431B2 JP S6133431 B2 JPS6133431 B2 JP S6133431B2 JP 13509879 A JP13509879 A JP 13509879A JP 13509879 A JP13509879 A JP 13509879A JP S6133431 B2 JPS6133431 B2 JP S6133431B2
Authority
JP
Japan
Prior art keywords
equalizer
parts
graphite powder
present
heated
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.)
Expired
Application number
JP13509879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5660193A (en
Inventor
Kunio Imai
Nobuhiro Tsukagoshi
Etsuro Nemoto
Shinichi Yokozeki
Sumio Hagiwara
Toshikazu Yoshino
Yasuyuki Arai
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP13509879A priority Critical patent/JPS5660193A/ja
Publication of JPS5660193A publication Critical patent/JPS5660193A/ja
Publication of JPS6133431B2 publication Critical patent/JPS6133431B2/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; ELECTRIC HEARING AIDS; 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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns

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)
JP13509879A 1979-10-22 1979-10-22 Equalizer Granted JPS5660193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13509879A JPS5660193A (en) 1979-10-22 1979-10-22 Equalizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13509879A JPS5660193A (en) 1979-10-22 1979-10-22 Equalizer

Publications (2)

Publication Number Publication Date
JPS5660193A JPS5660193A (en) 1981-05-23
JPS6133431B2 true JPS6133431B2 (ca) 1986-08-01

Family

ID=15143781

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13509879A Granted JPS5660193A (en) 1979-10-22 1979-10-22 Equalizer

Country Status (1)

Country Link
JP (1) JPS5660193A (ca)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1100287A1 (en) * 1999-11-10 2001-05-16 M- Tech(HK) Co. Ltd Loudspeaker

Also Published As

Publication number Publication date
JPS5660193A (en) 1981-05-23

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