EP0537705A3 - - Google Patents

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Publication number
EP0537705A3
EP0537705A3 EP19920117537 EP92117537A EP0537705A3 EP 0537705 A3 EP0537705 A3 EP 0537705A3 EP 19920117537 EP19920117537 EP 19920117537 EP 92117537 A EP92117537 A EP 92117537A EP 0537705 A3 EP0537705 A3 EP 0537705A3
Authority
EP
European Patent Office
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Withdrawn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
EP19920117537
Other versions
EP0537705A2 (en
Inventor
Katsuhiko Iida
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.)
LUX Corp
Original Assignee
LUX 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 LUX CORP filed Critical LUX CORP
Publication of EP0537705A2 publication Critical patent/EP0537705A2/en
Publication of EP0537705A3 publication Critical patent/EP0537705A3/xx
Withdrawn legal-status Critical Current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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
EP92117537A 1991-10-16 1992-10-14 A loudspeaker Withdrawn EP0537705A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP267951/91 1991-10-16
JP3267951A JPH0761200B2 (ja) 1991-10-16 1991-10-16 スピーカ

Publications (2)

Publication Number Publication Date
EP0537705A2 EP0537705A2 (en) 1993-04-21
EP0537705A3 true EP0537705A3 (it) 1994-03-23

Family

ID=17451867

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92117537A Withdrawn EP0537705A2 (en) 1991-10-16 1992-10-14 A loudspeaker

Country Status (2)

Country Link
EP (1) EP0537705A2 (it)
JP (1) JPH0761200B2 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2794604B1 (fr) * 1999-06-04 2002-12-06 Pierre Piccaluga Transformateur electro acoustique pour la reproduction du son
JP4662522B2 (ja) * 2000-09-28 2011-03-30 パナソニック株式会社 電磁形電気音響変換器および携帯端末装置
CN102685654A (zh) * 2012-05-04 2012-09-19 李植扬 同轴扬声器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016376A (en) * 1975-01-06 1977-04-05 General Signal Corporation Concave diaphragm for electro-acoustic transducer
JPS56116398A (en) * 1980-02-20 1981-09-12 Pioneer Electronic Corp Multiway coaxial flat plane type speaker
JPS5957599A (ja) * 1982-09-27 1984-04-03 Katsuya Ishizaki ヘツドホン
US4552242A (en) * 1983-04-15 1985-11-12 Soshin Onkyo Works, Ltd. Coaxial type composite loudspeaker
EP0339820A2 (en) * 1988-04-26 1989-11-02 Saad Gabr Electromagnetic transducer
EP0344975A2 (en) * 1988-06-02 1989-12-06 Boaz Elieli Electro acoustic transducer and loudspeaker

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10293U (ja) * 1997-12-08 1998-12-18 積水化学工業株式会社 排水桝の接続部材

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016376A (en) * 1975-01-06 1977-04-05 General Signal Corporation Concave diaphragm for electro-acoustic transducer
JPS56116398A (en) * 1980-02-20 1981-09-12 Pioneer Electronic Corp Multiway coaxial flat plane type speaker
JPS5957599A (ja) * 1982-09-27 1984-04-03 Katsuya Ishizaki ヘツドホン
US4552242A (en) * 1983-04-15 1985-11-12 Soshin Onkyo Works, Ltd. Coaxial type composite loudspeaker
EP0339820A2 (en) * 1988-04-26 1989-11-02 Saad Gabr Electromagnetic transducer
EP0344975A2 (en) * 1988-06-02 1989-12-06 Boaz Elieli Electro acoustic transducer and loudspeaker

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 5, no. 197 (E - 086) 15 December 1981 (1981-12-15) *
PATENT ABSTRACTS OF JAPAN vol. 8, no. 155 (E - 256) 19 July 1984 (1984-07-19) *

Also Published As

Publication number Publication date
JPH0761200B2 (ja) 1995-06-28
JPH05344592A (ja) 1993-12-24
EP0537705A2 (en) 1993-04-21

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