FR2211161A5 - Acoustic energy radiator - made of hardened plastic foam - Google Patents

Acoustic energy radiator - made of hardened plastic foam

Info

Publication number
FR2211161A5
FR2211161A5 FR7344754A FR7344754A FR2211161A5 FR 2211161 A5 FR2211161 A5 FR 2211161A5 FR 7344754 A FR7344754 A FR 7344754A FR 7344754 A FR7344754 A FR 7344754A FR 2211161 A5 FR2211161 A5 FR 2211161A5
Authority
FR
France
Prior art keywords
acoustic energy
plastic foam
hardened plastic
energy radiator
dervice
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
FR7344754A
Other languages
English (en)
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.)
HUBER MANUEL
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
Application granted granted Critical
Publication of FR2211161A5 publication Critical patent/FR2211161A5/fr
Expired legal-status Critical Current

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)
FR7344754A 1972-12-18 1973-12-14 Acoustic energy radiator - made of hardened plastic foam Expired FR2211161A5 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR2211161A5 true FR2211161A5 (en) 1974-07-12

Family

ID=4432765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7344754A Expired FR2211161A5 (en) 1972-12-18 1973-12-14 Acoustic energy radiator - made of hardened plastic foam

Country Status (4)

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

Also Published As

Publication number Publication date
IT1000328B (it) 1976-03-30
BE808777A (fr) 1974-04-16
CH545523A (fr) 1974-01-31

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Legal Events

Date Code Title Description
ST Notification of lapse