CA1027877A - Sound distribution system - Google Patents

Sound distribution system

Info

Publication number
CA1027877A
CA1027877A CA230,141A CA230141A CA1027877A CA 1027877 A CA1027877 A CA 1027877A CA 230141 A CA230141 A CA 230141A CA 1027877 A CA1027877 A CA 1027877A
Authority
CA
Canada
Prior art keywords
distribution system
sound distribution
sound
distribution
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
CA230,141A
Other languages
French (fr)
Inventor
Calvin L. Brown
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
Priority to CA230,141A priority Critical patent/CA1027877A/en
Application granted granted Critical
Publication of CA1027877A publication Critical patent/CA1027877A/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
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34Arrangements 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
    • H04R1/345Arrangements 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 for loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016Earpieces of the intra-aural type

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
CA230,141A 1975-06-25 1975-06-25 Sound distribution system Expired CA1027877A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA230,141A CA1027877A (en) 1975-06-25 1975-06-25 Sound distribution system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA230,141A CA1027877A (en) 1975-06-25 1975-06-25 Sound distribution system

Publications (1)

Publication Number Publication Date
CA1027877A true CA1027877A (en) 1978-03-14

Family

ID=4103443

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230,141A Expired CA1027877A (en) 1975-06-25 1975-06-25 Sound distribution system

Country Status (1)

Country Link
CA (1) CA1027877A (en)

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