FR2558290B1 - Pavillon acoustique hyperbolique - Google Patents

Pavillon acoustique hyperbolique

Info

Publication number
FR2558290B1
FR2558290B1 FR8400730A FR8400730A FR2558290B1 FR 2558290 B1 FR2558290 B1 FR 2558290B1 FR 8400730 A FR8400730 A FR 8400730A FR 8400730 A FR8400730 A FR 8400730A FR 2558290 B1 FR2558290 B1 FR 2558290B1
Authority
FR
France
Prior art keywords
pavilion
hyperbolic
hyperbolic acoustic
acoustic pavilion
acoustic
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
FR8400730A
Other languages
English (en)
Other versions
FR2558290A1 (fr
Inventor
Gilbert Marie Marcel Ferrieu
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Priority to FR8400730A priority Critical patent/FR2558290B1/fr
Publication of FR2558290A1 publication Critical patent/FR2558290A1/fr
Application granted granted Critical
Publication of FR2558290B1 publication Critical patent/FR2558290B1/fr
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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • 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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR8400730A 1984-01-18 1984-01-18 Pavillon acoustique hyperbolique Expired FR2558290B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8400730A FR2558290B1 (fr) 1984-01-18 1984-01-18 Pavillon acoustique hyperbolique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8400730A FR2558290B1 (fr) 1984-01-18 1984-01-18 Pavillon acoustique hyperbolique

Publications (2)

Publication Number Publication Date
FR2558290A1 FR2558290A1 (fr) 1985-07-19
FR2558290B1 true FR2558290B1 (fr) 1986-12-05

Family

ID=9300238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8400730A Expired FR2558290B1 (fr) 1984-01-18 1984-01-18 Pavillon acoustique hyperbolique

Country Status (1)

Country Link
FR (1) FR2558290B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11341587A (ja) 1998-05-28 1999-12-10 Matsushita Electric Ind Co Ltd スピーカ装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338262A (en) * 1942-07-23 1944-01-04 Jensen Radio Mfg Company Acoustic horn
FR1085680A (fr) * 1952-12-12 1955-02-04 Bosch Gmbh Robert Pavillon pour la réception de signaux acoustiques
US4369857A (en) * 1981-01-22 1983-01-25 The Kind Horn Company Loudspeaker and horn combination

Also Published As

Publication number Publication date
FR2558290A1 (fr) 1985-07-19

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Legal Events

Date Code Title Description
ST Notification of lapse