FR1461089A - Haut-parleur - Google Patents
Haut-parleurInfo
- Publication number
- FR1461089A FR1461089A FR43184A FR43184A FR1461089A FR 1461089 A FR1461089 A FR 1461089A FR 43184 A FR43184 A FR 43184A FR 43184 A FR43184 A FR 43184A FR 1461089 A FR1461089 A FR 1461089A
- Authority
- FR
- France
- Prior art keywords
- loud speaker
- loud
- speaker
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive 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
- H04R1/22—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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42368365A | 1965-01-06 | 1965-01-06 | |
US46476965A | 1965-06-17 | 1965-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1461089A true FR1461089A (fr) | 1966-12-10 |
Family
ID=27026100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR43184A Expired FR1461089A (fr) | 1965-01-06 | 1965-12-21 | Haut-parleur |
Country Status (5)
Country | Link |
---|---|
US (1) | US3535471A (fr) |
DE (1) | DE1462174A1 (fr) |
ES (1) | ES321223A1 (fr) |
FR (1) | FR1461089A (fr) |
GB (1) | GB1083477A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MXPA96000266A (es) * | 1994-05-20 | 2004-09-30 | Shinsei Corp | Dispositivo generador de sonido. |
US6396197B1 (en) * | 1995-12-22 | 2002-05-28 | Speaker Acquisition Sub, A Cayman Island Corporation | Piezoelectric speaker |
JP2894276B2 (ja) * | 1996-05-02 | 1999-05-24 | 日本電気株式会社 | 圧電音響変換器 |
GB2445597A (en) * | 2007-01-09 | 2008-07-16 | William Wood | Magnetostrictive compression type loudspeaker with phasing plug |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1802781A (en) * | 1927-05-06 | 1931-04-28 | Cleveland Trust Co | Piezo-electric device |
US1688744A (en) * | 1927-05-25 | 1928-10-23 | Wired Radio Inc | Multiple acoustic device |
US2479987A (en) * | 1947-10-11 | 1949-08-23 | Brush Dev Co | Multiplate electrotransducer |
US3068446A (en) * | 1958-08-21 | 1962-12-11 | Stanley L Ehrlich | Tubular electrostrictive transducer with spaced electrodes and loading masses |
US3215977A (en) * | 1960-07-27 | 1965-11-02 | Clevite Corp | Acoustic transducer |
GB1048602A (en) * | 1964-01-30 | 1966-11-16 | Emi Ltd | Improvements relating to moving coil loudspeakers and the like |
-
1965
- 1965-12-08 GB GB52051/65A patent/GB1083477A/en not_active Expired
- 1965-12-21 FR FR43184A patent/FR1461089A/fr not_active Expired
- 1965-12-22 DE DE19651462174 patent/DE1462174A1/de active Pending
- 1965-12-28 ES ES0321223A patent/ES321223A1/es not_active Expired
-
1969
- 1969-09-10 US US856850A patent/US3535471A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE1462174A1 (de) | 1969-02-06 |
US3535471A (en) | 1970-10-20 |
ES321223A1 (es) | 1966-12-16 |
GB1083477A (en) | 1967-09-13 |
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