GB456414A - Acoustical apparatus - Google Patents

Acoustical apparatus

Info

Publication number
GB456414A
GB456414A GB16182/36A GB1618236A GB456414A GB 456414 A GB456414 A GB 456414A GB 16182/36 A GB16182/36 A GB 16182/36A GB 1618236 A GB1618236 A GB 1618236A GB 456414 A GB456414 A GB 456414A
Authority
GB
United Kingdom
Prior art keywords
tube
length
tubes
june
proportion
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
GB16182/36A
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.)
NIELS PAUL ROBERT JARNAK
Original Assignee
NIELS PAUL ROBERT JARNAK
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 NIELS PAUL ROBERT JARNAK filed Critical NIELS PAUL ROBERT JARNAK
Publication of GB456414A publication Critical patent/GB456414A/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
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

456,414. Acoustical apparatus. JARNAK, N. P. R., 19, Jernbanevej, Hillerd, Denmark. June 10, 1936, No. 16182. Convention date, June 12, 1935. [Class 13] Acoustical apparatus comprises a vibrating diaphragm associated with resonators formed as straight, curved, or discontinuous tubes, each of constant or variable cross-section, and constructed so that interference can be generated from standing waves therein, the resonators being built so that at least two of them have their resonance frequencies in the proportion 2 : 3. In one form, two open-ended tubes 2, 3 are mounted on a plate 8 to which is secured a ring 7 between which and a ring 6 a diaphragm 1 is clamped. The lengths of the tubes 3, 2 are in the proportion 2:3. In a modification. tubes 2, 3, 4, 5 are mounted on the plate 8. The length of the tube 4 is 2/3 the length of the tube 3 and the length of the tube 5 is 2/3 of the length of the tube 4.
GB16182/36A 1935-06-12 1936-06-10 Acoustical apparatus Expired GB456414A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK456414X 1935-06-12

Publications (1)

Publication Number Publication Date
GB456414A true GB456414A (en) 1936-11-09

Family

ID=8151005

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16182/36A Expired GB456414A (en) 1935-06-12 1936-06-10 Acoustical apparatus

Country Status (1)

Country Link
GB (1) GB456414A (en)

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