BE808777A - FLAG - Google Patents

FLAG

Info

Publication number
BE808777A
BE808777A BE138994A BE138994A BE808777A BE 808777 A BE808777 A BE 808777A BE 138994 A BE138994 A BE 138994A BE 138994 A BE138994 A BE 138994A BE 808777 A BE808777 A BE 808777A
Authority
BE
Belgium
Prior art keywords
flag
Prior art date
Application number
BE138994A
Other languages
French (fr)
Original Assignee
Huber Manuel
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 Huber Manuel filed Critical Huber Manuel
Publication of BE808777A publication Critical patent/BE808777A/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
BE138994A 1972-12-18 1973-12-18 FLAG BE808777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1840472 1972-12-18

Publications (1)

Publication Number Publication Date
BE808777A true BE808777A (en) 1974-04-16

Family

ID=4432765

Family Applications (1)

Application Number Title Priority Date Filing Date
BE138994A BE808777A (en) 1972-12-18 1973-12-18 FLAG

Country Status (4)

Country Link
BE (1) BE808777A (en)
CH (1) CH545523A (en)
FR (1) FR2211161A5 (en)
IT (1) IT1000328B (en)

Also Published As

Publication number Publication date
CH545523A (en) 1974-01-31
FR2211161A5 (en) 1974-07-12
IT1000328B (en) 1976-03-30

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