KR840008738A - 마그네토 다이내믹 음향 발생기 - Google Patents

마그네토 다이내믹 음향 발생기 Download PDF

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Publication number
KR840008738A
KR840008738A KR1019840001860A KR840001860A KR840008738A KR 840008738 A KR840008738 A KR 840008738A KR 1019840001860 A KR1019840001860 A KR 1019840001860A KR 840001860 A KR840001860 A KR 840001860A KR 840008738 A KR840008738 A KR 840008738A
Authority
KR
South Korea
Prior art keywords
diaphragm
sound generator
cylinder
pressure chamber
generator according
Prior art date
Application number
KR1019840001860A
Other languages
English (en)
Korean (ko)
Inventor
홀름 벤그트
Original Assignee
코쿠마찌온 아베
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 코쿠마찌온 아베 filed Critical 코쿠마찌온 아베
Publication of KR840008738A publication Critical patent/KR840008738A/ko

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Classifications

    • 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
    • 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

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)
KR1019840001860A 1983-04-08 1984-04-09 마그네토 다이내믹 음향 발생기 KR840008738A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8301940-6 1983-04-08
SE8301940A SE452541B (sv) 1983-04-08 1983-04-08 Ljudsendare, innefattande ett av ett magnetodynamiskt drivsystem paverkbart membran

Publications (1)

Publication Number Publication Date
KR840008738A true KR840008738A (ko) 1984-12-17

Family

ID=20350703

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840001860A KR840008738A (ko) 1983-04-08 1984-04-09 마그네토 다이내믹 음향 발생기

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
SE8301940L (sv) 1984-10-09
SE452541B (sv) 1987-11-30
SE8301940D0 (sv) 1983-04-08
JPS6035899A (ja) 1985-02-23
DE3413345A1 (de) 1984-10-11

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application