FR2373205B1 - - Google Patents

Info

Publication number
FR2373205B1
FR2373205B1 FR7736325A FR7736325A FR2373205B1 FR 2373205 B1 FR2373205 B1 FR 2373205B1 FR 7736325 A FR7736325 A FR 7736325A FR 7736325 A FR7736325 A FR 7736325A FR 2373205 B1 FR2373205 B1 FR 2373205B1
Authority
FR
France
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
FR7736325A
Other languages
French (fr)
Other versions
FR2373205A1 (fr
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.)
Rank Organization Ltd
Original Assignee
Rank Organization Ltd
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 Rank Organization Ltd filed Critical Rank Organization Ltd
Publication of FR2373205A1 publication Critical patent/FR2373205A1/fr
Application granted granted Critical
Publication of FR2373205B1 publication Critical patent/FR2373205B1/fr
Granted 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
    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/36—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means by using a single aperture of dimensions not greater than the shortest operating wavelength

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR7736325A 1976-12-03 1977-12-02 Transducteur electro-acoustique Granted FR2373205A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB50496/76A GB1557879A (en) 1976-12-03 1976-12-03 Electro acoustic transducers

Publications (2)

Publication Number Publication Date
FR2373205A1 FR2373205A1 (fr) 1978-06-30
FR2373205B1 true FR2373205B1 (enExample) 1983-01-14

Family

ID=10456118

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7736325A Granted FR2373205A1 (fr) 1976-12-03 1977-12-02 Transducteur electro-acoustique

Country Status (6)

Country Link
DE (1) DE2753790A1 (enExample)
DK (1) DK536277A (enExample)
FR (1) FR2373205A1 (enExample)
GB (1) GB1557879A (enExample)
NL (1) NL7713409A (enExample)
SE (1) SE417564B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8104570U1 (de) * 1981-02-19 1981-07-23 Magnat Electronik GmbH & Co KG, 5000 Köln Lautsprecher, insbesondere kalottenlautsprecher
DE3205731C2 (de) * 1981-02-19 1993-01-14 Magnat Electronik GmbH & Co KG, 5000 Köln Lautsprecher, insbesondere Kalottenlautsprecher
US7155021B2 (en) 2000-05-08 2006-12-26 Koninklijke Philips Electronics N.V. Loudspeaker having an acoustic panel and an electrical driver
EP3288284A1 (en) 2008-08-14 2018-02-28 Harman International Industries, Incorporated Phase plug and acoustic lens for direct radiating loudspeaker
DE102021127864A1 (de) 2021-10-26 2023-04-27 Karsten Atmani, bürgerlicher Name Buß Lautsprecher

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE484735A (enExample) * 1947-09-10
US3059720A (en) * 1959-07-27 1962-10-23 Ling Temco Vought Inc High frequency loudspeakers

Also Published As

Publication number Publication date
SE7713750L (sv) 1978-06-04
SE417564B (sv) 1981-03-23
FR2373205A1 (fr) 1978-06-30
DK536277A (da) 1978-06-04
DE2753790A1 (de) 1978-06-08
GB1557879A (en) 1979-12-12
NL7713409A (nl) 1978-06-06

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse