GB1418444A - Loudspeaker assembly - Google Patents

Loudspeaker assembly

Info

Publication number
GB1418444A
GB1418444A GB1296974A GB1296974A GB1418444A GB 1418444 A GB1418444 A GB 1418444A GB 1296974 A GB1296974 A GB 1296974A GB 1296974 A GB1296974 A GB 1296974A GB 1418444 A GB1418444 A GB 1418444A
Authority
GB
United Kingdom
Prior art keywords
dome
loud
march
grundig
loudspeaker assembly
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
GB1296974A
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.)
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Original Assignee
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
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 Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH filed Critical Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Publication of GB1418444A publication Critical patent/GB1418444A/en
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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • 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
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

1418444 Loud-speakers GRUNDIG EMV ELEKTRO - MECHANISCHE VERSUCHSANSTALT MAX GRUNDIG 22 March 1974 [24 March 1973] 12969/74 Heading H4J A unitary loud-speaker assembly of a dome mid-frequency unit 1 and one or more dome high-frequency units 2 comprises an apertured common permanent magnet 3 with pole plates 4, 5 on opposed faces and carrying soft iron polepieces 6, 7 in respective apertures. The dome diaphragms 10, 11 may be separate or formed of a single piece of stiffened cloth or plastics material carrying coils 13, 14 and held in a frame 9, 15 attached to the magnet structure.
GB1296974A 1973-03-24 1974-03-22 Loudspeaker assembly Expired GB1418444A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732314725 DE2314725B2 (en) 1973-03-24 1973-03-24 Speaker combination

Publications (1)

Publication Number Publication Date
GB1418444A true GB1418444A (en) 1975-12-17

Family

ID=5875779

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1296974A Expired GB1418444A (en) 1973-03-24 1974-03-22 Loudspeaker assembly

Country Status (2)

Country Link
DE (1) DE2314725B2 (en)
GB (1) GB1418444A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4136293A (en) * 1977-11-07 1979-01-23 International Business Machines Corporation Multi-actuator system using single magnetic circuit
DE3510561A1 (en) * 1985-03-23 1986-09-25 Blaupunkt-Werke Gmbh, 3200 Hildesheim Loudspeaker combination
US5701358A (en) * 1994-07-05 1997-12-23 Larsen; John T. Isobaric loudspeaker

Also Published As

Publication number Publication date
DE2314725B2 (en) 1975-02-27
DE2314725A1 (en) 1974-10-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee