EP0529143A3 - Diaphragm for loudspeaker or microphone - Google Patents

Diaphragm for loudspeaker or microphone Download PDF

Info

Publication number
EP0529143A3
EP0529143A3 EP19910114883 EP91114883A EP0529143A3 EP 0529143 A3 EP0529143 A3 EP 0529143A3 EP 19910114883 EP19910114883 EP 19910114883 EP 91114883 A EP91114883 A EP 91114883A EP 0529143 A3 EP0529143 A3 EP 0529143A3
Authority
EP
European Patent Office
Prior art keywords
loudspeaker
microphone
diaphragm
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Withdrawn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
EP19910114883
Other languages
German (de)
Other versions
EP0529143A2 (en
Inventor
Filip Keller
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.)
KELLER, FILIP
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP19910114883 priority Critical patent/EP0529143A3/en
Publication of EP0529143A2 publication Critical patent/EP0529143A2/en
Publication of EP0529143A3 publication Critical patent/EP0529143A3/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Withdrawn legal-status Critical Current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
    • 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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • 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
    • 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
    • H04R9/06—Loudspeakers
EP19910114883 1991-08-30 1991-08-30 Diaphragm for loudspeaker or microphone Withdrawn EP0529143A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19910114883 EP0529143A3 (en) 1991-08-30 1991-08-30 Diaphragm for loudspeaker or microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19910114883 EP0529143A3 (en) 1991-08-30 1991-08-30 Diaphragm for loudspeaker or microphone

Publications (2)

Publication Number Publication Date
EP0529143A2 EP0529143A2 (en) 1993-03-03
EP0529143A3 true EP0529143A3 (en) 1993-07-07

Family

ID=8207109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910114883 Withdrawn EP0529143A3 (en) 1991-08-30 1991-08-30 Diaphragm for loudspeaker or microphone

Country Status (1)

Country Link
EP (1) EP0529143A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7568552B2 (en) * 2004-01-15 2009-08-04 Bose Corporation Acoustic passive radiator rocking mode reducing
CN109678392B (en) * 2019-01-25 2021-10-08 歌尔股份有限公司 Silica aerogel sound absorbing material and sound generating device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956636A (en) * 1956-06-11 1960-10-18 Sipko L Boersma Loudspeaker
US3125647A (en) * 1964-03-17 Frequency-o cycles sec
GB1224475A (en) * 1968-01-13 1971-03-10 Mario Cesati Compression chamber loudspeakers
US3862376A (en) * 1973-01-19 1975-01-21 Stanley F White Cone construction for loudspeaker
EP0077228A2 (en) * 1981-09-17 1983-04-20 Tadashi Sawafuji Electroacoustic transducer
DE3838853C1 (en) * 1988-09-30 1989-11-30 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
DE3831376A1 (en) * 1988-09-15 1990-03-22 Filip Keller Loudspeaker or microphone
FR2655507A1 (en) * 1989-12-04 1991-06-07 Fabricanti Luc Loudspeaker with a horn

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01130698A (en) * 1987-11-17 1989-05-23 Matsushita Electric Ind Co Ltd Speaker
JPH01138895A (en) * 1987-11-26 1989-05-31 Sony Corp Speaker equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125647A (en) * 1964-03-17 Frequency-o cycles sec
US2956636A (en) * 1956-06-11 1960-10-18 Sipko L Boersma Loudspeaker
GB1224475A (en) * 1968-01-13 1971-03-10 Mario Cesati Compression chamber loudspeakers
US3862376A (en) * 1973-01-19 1975-01-21 Stanley F White Cone construction for loudspeaker
EP0077228A2 (en) * 1981-09-17 1983-04-20 Tadashi Sawafuji Electroacoustic transducer
DE3831376A1 (en) * 1988-09-15 1990-03-22 Filip Keller Loudspeaker or microphone
DE3838853C1 (en) * 1988-09-30 1989-11-30 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
FR2655507A1 (en) * 1989-12-04 1991-06-07 Fabricanti Luc Loudspeaker with a horn

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 13, Nr. 381 (E-810), 23. August 1989; & JP-A-1 130 698 (MATSUSHITA ELECTRIC IND. CO., LTD) 23-05-1989 *
PATENT ABSTRACTS OF JAPAN, Band 13, Nr. 393 (E-814), 31. August 1989; & JP-A-1 138 895 (SONY CORP.) 31-05-1989 *

Also Published As

Publication number Publication date
EP0529143A2 (en) 1993-03-03

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