DE3838853C1 - - Google Patents

Info

Publication number
DE3838853C1
DE3838853C1 DE19883838853 DE3838853A DE3838853C1 DE 3838853 C1 DE3838853 C1 DE 3838853C1 DE 19883838853 DE19883838853 DE 19883838853 DE 3838853 A DE3838853 A DE 3838853A DE 3838853 C1 DE3838853 C1 DE 3838853C1
Authority
DE
Germany
Prior art keywords
membrane
axis
membrane system
wall thickness
edge
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
DE19883838853
Other languages
German (de)
English (en)
Inventor
Helmut Dipl.-Ing. 3340 Wolfenbuettel De Krueger
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.)
Krueger Helmut Dipl-Ing 61191 Rosbach De
Original Assignee
ANT Nachrichtentechnik GmbH
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 ANT Nachrichtentechnik GmbH filed Critical ANT Nachrichtentechnik GmbH
Priority to DE19883838853 priority Critical patent/DE3838853C1/de
Priority to JP1510301A priority patent/JPH04503739A/ja
Priority to EP19890118011 priority patent/EP0361487A1/de
Priority to EP19890911046 priority patent/EP0436615A1/de
Priority to PCT/EP1989/001142 priority patent/WO1990003709A1/de
Application granted granted Critical
Publication of DE3838853C1 publication Critical patent/DE3838853C1/de
Expired 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DE19883838853 1988-09-30 1988-11-17 Expired DE3838853C1 (enExample)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19883838853 DE3838853C1 (enExample) 1988-09-30 1988-11-17
JP1510301A JPH04503739A (ja) 1988-09-30 1989-09-28 ダイアフラムシステム
EP19890118011 EP0361487A1 (de) 1988-09-30 1989-09-28 Membransystem
EP19890911046 EP0436615A1 (de) 1988-09-30 1989-09-28 Membransystem
PCT/EP1989/001142 WO1990003709A1 (de) 1988-09-30 1989-09-28 Membransystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3833238 1988-09-30
DE19883838853 DE3838853C1 (enExample) 1988-09-30 1988-11-17

Publications (1)

Publication Number Publication Date
DE3838853C1 true DE3838853C1 (enExample) 1989-11-30

Family

ID=25872731

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883838853 Expired DE3838853C1 (enExample) 1988-09-30 1988-11-17

Country Status (4)

Country Link
EP (2) EP0436615A1 (enExample)
JP (1) JPH04503739A (enExample)
DE (1) DE3838853C1 (enExample)
WO (1) WO1990003709A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0529143A3 (en) * 1991-08-30 1993-07-07 Filip Keller Diaphragm for loudspeaker or microphone

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2706944A1 (en) * 1993-06-24 1994-12-30 Delplanque Jean Claude Compact turbomachine stator with alternating curvature of the (moving) blades
CA2586928C (en) * 2004-11-22 2013-06-25 Harman International Industries, Incorporated Loudspeaker plastic cone body
JP7025833B2 (ja) * 2019-09-17 2022-02-25 株式会社サウンドファン スピーカユニット、及びスピーカ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862376A (en) * 1973-01-19 1975-01-21 Stanley F White Cone construction for loudspeaker
US4532383A (en) * 1980-01-04 1985-07-30 Willy Erazm A Electroacoustic transducer having a variable thickness diaphragm

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1088099B (de) * 1957-02-23 1960-09-01 Isophon Werke Ges Mit Beschrae Druckkammersystem fuer elektrodynamische Lautsprecher
DE3775563D1 (de) * 1986-07-04 1992-02-06 Ant Nachrichtentech Membransystem mit rotationssymmetrischer biegesteifer platte als schallabstrahlendes oder -aufnehmendes element.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3862376A (en) * 1973-01-19 1975-01-21 Stanley F White Cone construction for loudspeaker
US4532383A (en) * 1980-01-04 1985-07-30 Willy Erazm A Electroacoustic transducer having a variable thickness diaphragm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0529143A3 (en) * 1991-08-30 1993-07-07 Filip Keller Diaphragm for loudspeaker or microphone

Also Published As

Publication number Publication date
EP0436615A1 (de) 1991-07-17
EP0361487A1 (de) 1990-04-04
WO1990003709A1 (de) 1990-04-05
JPH04503739A (ja) 1992-07-02

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KRUEGER, HELMUT, DIPL.-ING., 3340 WOLFENBUETTEL, D

8327 Change in the person/name/address of the patent owner

Owner name: KRUEGER, HELMUT, DIPL.-ING., 61191 ROSBACH, DE

8339 Ceased/non-payment of the annual fee