DE540540C - Akustische Einrichtung - Google Patents

Akustische Einrichtung

Info

Publication number
DE540540C
DE540540C DEE35832D DEE0035832D DE540540C DE 540540 C DE540540 C DE 540540C DE E35832 D DEE35832 D DE E35832D DE E0035832 D DEE0035832 D DE E0035832D DE 540540 C DE540540 C DE 540540C
Authority
DE
Germany
Prior art keywords
sound
membrane
paths
chamber
funnel
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
DEE35832D
Other languages
German (de)
English (en)
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22427925&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE540540(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of DE540540C publication Critical patent/DE540540C/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
    • 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
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • 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
    • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DEE35832D 1926-08-04 1927-06-18 Akustische Einrichtung Expired DE540540C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US127023A US1707545A (en) 1926-08-04 1926-08-04 Acoustic device

Publications (1)

Publication Number Publication Date
DE540540C true DE540540C (de) 1932-01-09

Family

ID=22427925

Family Applications (1)

Application Number Title Priority Date Filing Date
DEE35832D Expired DE540540C (de) 1926-08-04 1927-06-18 Akustische Einrichtung

Country Status (6)

Country Link
US (1) US1707545A (en:Method)
BE (1) BE344484A (en:Method)
DE (1) DE540540C (en:Method)
FR (1) FR636818A (en:Method)
GB (1) GB275571A (en:Method)
NL (1) NL22539C (en:Method)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE968466C (de) * 1952-02-23 1958-02-20 Siemens Ag Druckkammerlautsprecher, insbesondere mit Kalottenmembran
US4157741A (en) * 1978-08-16 1979-06-12 Goldwater Alan J Phase plug
US4310065A (en) * 1979-05-11 1982-01-12 Chromalloy Electronics Corporation Radial horn
US4718517A (en) * 1986-02-27 1988-01-12 Electro-Voice, Inc. Loudspeaker and acoustic transformer therefor
US4882562A (en) * 1986-03-11 1989-11-21 Turbosound Limited Adaptor for coupling plural compression drivers to a common horn
GB0202284D0 (en) 2002-01-31 2002-03-20 Martin Audio Ltd Directional loudspeaker
US20060034475A1 (en) * 2004-08-16 2006-02-16 Geddes Earl R Compression driver plug
KR101192910B1 (ko) 2008-08-14 2012-10-18 하만인터내셔날인더스트리스인코포레이티드 직접 방사형 라우드스피커용 패이즈 플러그 및 음향 렌즈
FR2955445B1 (fr) 2010-01-15 2013-06-07 Phl Audio Transducteur electrodynamique a dome et suspension interne
FR2955446B1 (fr) 2010-01-15 2015-06-05 Phl Audio Transducteur electrodynamique a dome et suspension flottante
FR2955444B1 (fr) 2010-01-15 2012-08-03 Phl Audio Systeme de haut-parleur coaxial a chambre de compression

Also Published As

Publication number Publication date
GB275571A (en) 1928-07-12
NL22539C (en:Method)
FR636818A (fr) 1928-04-17
US1707545A (en) 1929-04-02
BE344484A (en:Method)

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