FR1154792A - Ensemble acoustique à rayonnement unilatéral - Google Patents
Ensemble acoustique à rayonnement unilatéralInfo
- Publication number
- FR1154792A FR1154792A FR1154792DA FR1154792A FR 1154792 A FR1154792 A FR 1154792A FR 1154792D A FR1154792D A FR 1154792DA FR 1154792 A FR1154792 A FR 1154792A
- Authority
- FR
- France
- Prior art keywords
- acoustic unit
- unilateral radiation
- unilateral
- radiation
- 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
Links
- 230000005855 radiation Effects 0.000 title 1
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
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
- H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
-
- 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements 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
- H04R1/345—Arrangements 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
- H04R1/347—Arrangements 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 for obtaining a phase-shift between the front and back acoustic wave
-
- 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1154792X | 1955-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1154792A true FR1154792A (fr) | 1958-04-16 |
Family
ID=11432111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1154792D Expired FR1154792A (fr) | 1955-07-16 | 1956-07-13 | Ensemble acoustique à rayonnement unilatéral |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1154792A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3132712A (en) * | 1960-01-04 | 1964-05-12 | Wilbur L Maddy | Loud-speaker enclosure |
FR2329129A1 (fr) * | 1975-10-22 | 1977-05-20 | Elektroakusztikai Gyar | Transducteur electroacoustique directionnel, notamment emetteur acoustique cardioide |
US5588063A (en) * | 1992-10-30 | 1996-12-24 | International Business Machines Corporation | Personal multimedia speaker system |
US5956411A (en) * | 1994-05-18 | 1999-09-21 | International Business Machines Corporation | Personal multimedia speaker system |
-
1956
- 1956-07-13 FR FR1154792D patent/FR1154792A/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3132712A (en) * | 1960-01-04 | 1964-05-12 | Wilbur L Maddy | Loud-speaker enclosure |
FR2329129A1 (fr) * | 1975-10-22 | 1977-05-20 | Elektroakusztikai Gyar | Transducteur electroacoustique directionnel, notamment emetteur acoustique cardioide |
US5588063A (en) * | 1992-10-30 | 1996-12-24 | International Business Machines Corporation | Personal multimedia speaker system |
US5956411A (en) * | 1994-05-18 | 1999-09-21 | International Business Machines Corporation | Personal multimedia speaker system |
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