GB292570A - Improvements in or relating to hornless loud speakers - Google Patents

Improvements in or relating to hornless loud speakers

Info

Publication number
GB292570A
GB292570A GB31383/27A GB3138327A GB292570A GB 292570 A GB292570 A GB 292570A GB 31383/27 A GB31383/27 A GB 31383/27A GB 3138327 A GB3138327 A GB 3138327A GB 292570 A GB292570 A GB 292570A
Authority
GB
United Kingdom
Prior art keywords
hornless
relating
loud speakers
loud
speakers
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
GB31383/27A
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.)
Individual
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
Publication of GB292570A publication Critical patent/GB292570A/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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
    • H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

292,570. Brinkmann, F. June 24, 1927, [Convention date]. Loud-speakers. - A housing for a hornless loud-speaker comprises two perforated or equivalently formed, p a rtspherical shells 1, 2 secured together at their flattened edges 3. Lugs 4, 5 may be stamped out and bent up from the part 1 as shown so as to carry the diaphragm support 6 and telephonic unit 7.
GB31383/27A 1927-06-24 1927-11-22 Improvements in or relating to hornless loud speakers Expired GB292570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE292570X 1927-06-24

Publications (1)

Publication Number Publication Date
GB292570A true GB292570A (en) 1929-02-22

Family

ID=6074168

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31383/27A Expired GB292570A (en) 1927-06-24 1927-11-22 Improvements in or relating to hornless loud speakers

Country Status (1)

Country Link
GB (1) GB292570A (en)

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