GB1480773A - Acoustic distributor - Google Patents

Acoustic distributor

Info

Publication number
GB1480773A
GB1480773A GB4040874A GB4040874A GB1480773A GB 1480773 A GB1480773 A GB 1480773A GB 4040874 A GB4040874 A GB 4040874A GB 4040874 A GB4040874 A GB 4040874A GB 1480773 A GB1480773 A GB 1480773A
Authority
GB
United Kingdom
Prior art keywords
manifold
sound
casing
valves
acoustifone
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
GB4040874A
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.)
Acoustifone Corp
Original Assignee
Acoustifone Corp
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 Acoustifone Corp filed Critical Acoustifone Corp
Priority to GB4040874A priority Critical patent/GB1480773A/en
Publication of GB1480773A publication Critical patent/GB1480773A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00Public address systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

1480773 Sound distributers ACOUSTIFONE CORP 17 Sept 1974 40408/74 Heading H4J A device for distributing sound to a plurality of listeners comprises an enclosure containing a loud-speaker acoustically coupled to parts 30 serving as receptacles for listening tubes 25 and normally closed by slide valves 71. The loudspeaker is resiliently mounted by a gasket between casing and manifold mouldings clamped together by screws to define a distribution chamber 41. Radial slots receiving spring- loaded valves 71 to grip probes 26 are formed by the manifold 32 and bottom casing 29.
GB4040874A 1974-09-17 1974-09-17 Acoustic distributor Expired GB1480773A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4040874A GB1480773A (en) 1974-09-17 1974-09-17 Acoustic distributor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4040874A GB1480773A (en) 1974-09-17 1974-09-17 Acoustic distributor

Publications (1)

Publication Number Publication Date
GB1480773A true GB1480773A (en) 1977-07-27

Family

ID=10414759

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4040874A Expired GB1480773A (en) 1974-09-17 1974-09-17 Acoustic distributor

Country Status (1)

Country Link
GB (1) GB1480773A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124853A (en) * 1982-08-03 1984-02-22 Gkn Sankey Ltd Communication system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124853A (en) * 1982-08-03 1984-02-22 Gkn Sankey Ltd Communication system

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Legal Events

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