SE8301940D0 - Magnetodynamisk ljudsendare - Google Patents

Magnetodynamisk ljudsendare

Info

Publication number
SE8301940D0
SE8301940D0 SE8301940A SE8301940A SE8301940D0 SE 8301940 D0 SE8301940 D0 SE 8301940D0 SE 8301940 A SE8301940 A SE 8301940A SE 8301940 A SE8301940 A SE 8301940A SE 8301940 D0 SE8301940 D0 SE 8301940D0
Authority
SE
Sweden
Prior art keywords
diaphragm
drive device
sound transmitter
magnetodynamic
magneto
Prior art date
Application number
SE8301940A
Other languages
English (en)
Other versions
SE452541B (sv
SE8301940L (sv
Inventor
B Holm
Original Assignee
Kockumation Ab
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 Kockumation Ab filed Critical Kockumation Ab
Priority to SE8301940A priority Critical patent/SE452541B/sv
Publication of SE8301940D0 publication Critical patent/SE8301940D0/sv
Priority to DE3413345A priority patent/DE3413345A1/de
Priority to KR1019840001860A priority patent/KR840008738A/ko
Priority to JP59069277A priority patent/JPS6035899A/ja
Publication of SE8301940L publication Critical patent/SE8301940L/sv
Publication of SE452541B publication Critical patent/SE452541B/sv

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
SE8301940A 1983-04-08 1983-04-08 Ljudsendare, innefattande ett av ett magnetodynamiskt drivsystem paverkbart membran SE452541B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE8301940A SE452541B (sv) 1983-04-08 1983-04-08 Ljudsendare, innefattande ett av ett magnetodynamiskt drivsystem paverkbart membran
DE3413345A DE3413345A1 (de) 1983-04-08 1984-04-09 Magneto-dynamischer schallsender
KR1019840001860A KR840008738A (ko) 1983-04-08 1984-04-09 마그네토 다이내믹 음향 발생기
JP59069277A JPS6035899A (ja) 1983-04-08 1984-04-09 磁気ダイナミツク音響発生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8301940A SE452541B (sv) 1983-04-08 1983-04-08 Ljudsendare, innefattande ett av ett magnetodynamiskt drivsystem paverkbart membran

Publications (3)

Publication Number Publication Date
SE8301940D0 true SE8301940D0 (sv) 1983-04-08
SE8301940L SE8301940L (sv) 1984-10-09
SE452541B SE452541B (sv) 1987-11-30

Family

ID=20350703

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8301940A SE452541B (sv) 1983-04-08 1983-04-08 Ljudsendare, innefattande ett av ett magnetodynamiskt drivsystem paverkbart membran

Country Status (4)

Country Link
JP (1) JPS6035899A (sv)
KR (1) KR840008738A (sv)
DE (1) DE3413345A1 (sv)
SE (1) SE452541B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158144A1 (de) 2001-11-27 2003-06-26 Adolf Thies Gmbh & Co Kg Ultraschallwandler für den Einsatz unter extremen klimatischen Bedingungen

Also Published As

Publication number Publication date
SE452541B (sv) 1987-11-30
DE3413345A1 (de) 1984-10-11
JPS6035899A (ja) 1985-02-23
KR840008738A (ko) 1984-12-17
SE8301940L (sv) 1984-10-09

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