DE112012003310A5 - Dynamic electroacoustic transducer - Google Patents

Dynamic electroacoustic transducer Download PDF

Info

Publication number
DE112012003310A5
DE112012003310A5 DE112012003310.8T DE112012003310T DE112012003310A5 DE 112012003310 A5 DE112012003310 A5 DE 112012003310A5 DE 112012003310 T DE112012003310 T DE 112012003310T DE 112012003310 A5 DE112012003310 A5 DE 112012003310A5
Authority
DE
Germany
Prior art keywords
electroacoustic transducer
dynamic electroacoustic
dynamic
transducer
electroacoustic
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.)
Withdrawn
Application number
DE112012003310.8T
Other languages
German (de)
Inventor
Olaf Sündermann
Burkhard Markmann
André Michaelis
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.)
Sennheiser Electronic GmbH and Co KG
Original Assignee
Sennheiser Electronic GmbH and Co KG
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 Sennheiser Electronic GmbH and Co KG filed Critical Sennheiser Electronic GmbH and Co KG
Publication of DE112012003310A5 publication Critical patent/DE112012003310A5/en
Withdrawn legal-status Critical Current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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/08—Cores, Yokes, or armatures made from powder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C2202/00—Physical properties
    • C22C2202/02—Magnetic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/0266—Moulding; Pressing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Power Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE112012003310.8T 2011-08-08 2012-07-20 Dynamic electroacoustic transducer Withdrawn DE112012003310A5 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011080606.7 2011-08-08
DE201110080606 DE102011080606A1 (en) 2011-08-08 2011-08-08 Dynamic electroacoustic transducer
PCT/EP2012/064260 WO2013020794A1 (en) 2011-08-08 2012-07-20 Dynamic electroacoustic transducer

Publications (1)

Publication Number Publication Date
DE112012003310A5 true DE112012003310A5 (en) 2014-04-24

Family

ID=46614455

Family Applications (2)

Application Number Title Priority Date Filing Date
DE201110080606 Withdrawn DE102011080606A1 (en) 2011-08-08 2011-08-08 Dynamic electroacoustic transducer
DE112012003310.8T Withdrawn DE112012003310A5 (en) 2011-08-08 2012-07-20 Dynamic electroacoustic transducer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE201110080606 Withdrawn DE102011080606A1 (en) 2011-08-08 2011-08-08 Dynamic electroacoustic transducer

Country Status (2)

Country Link
DE (2) DE102011080606A1 (en)
WO (1) WO2013020794A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133799A (en) * 1983-01-20 1984-08-01 Sanyo Electric Co Ltd Electroacoustic transducer
DE19902679C1 (en) * 1999-01-23 2000-11-16 Harman Audio Electronic Sys speaker
US6376585B1 (en) * 2000-06-26 2002-04-23 Apex Advanced Technologies, Llc Binder system and method for particulate material with debind rate control additive
US6660225B2 (en) * 2000-12-11 2003-12-09 Advanced Materials Technologies Pte, Ltd. Method to form multi-material components
DE102007039246A1 (en) * 2007-08-20 2009-02-26 Robert Bosch Gmbh Molding composition and process for the preparation of a molding composition
DE102007060895A1 (en) * 2007-12-14 2009-06-18 Linnig Trucktec Gmbh Device having an electromagnet, coupling and method for producing an electromagnet

Also Published As

Publication number Publication date
WO2013020794A1 (en) 2013-02-14
DE102011080606A1 (en) 2013-02-14

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Legal Events

Date Code Title Description
R083 Amendment of/additions to inventor(s)
R005 Application deemed withdrawn due to failure to request examination