FR2188387A1 - - Google Patents
Info
- Publication number
- FR2188387A1 FR2188387A1 FR7220413A FR7220413A FR2188387A1 FR 2188387 A1 FR2188387 A1 FR 2188387A1 FR 7220413 A FR7220413 A FR 7220413A FR 7220413 A FR7220413 A FR 7220413A FR 2188387 A1 FR2188387 A1 FR 2188387A1
- Authority
- FR
- France
- 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.)
- Granted
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
- H04R1/28—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
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7220413A FR2188387B1 (fr) | 1972-06-07 | 1972-06-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7220413A FR2188387B1 (fr) | 1972-06-07 | 1972-06-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2188387A1 true FR2188387A1 (fr) | 1974-01-18 |
FR2188387B1 FR2188387B1 (fr) | 1974-12-27 |
Family
ID=9099802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7220413A Expired FR2188387B1 (fr) | 1972-06-07 | 1972-06-07 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2188387B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0114951A1 (fr) * | 1982-12-23 | 1984-08-08 | Walter Schupbach | Enceinte stéréophonique |
FR2555389A1 (fr) * | 1983-11-18 | 1985-05-24 | Acoustics First | Enceinte acoustique |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2201073A (en) * | 1938-03-25 | 1940-05-14 | Philco Radio & Television Corp | Horn type loud-speaker |
DE968490C (de) * | 1949-06-05 | 1958-02-27 | Siemens Ag | Aus mehreren in einer Reihe in eine gemeinsame lattenartige Schallwand eingebauten Lautsprechern bestehende Lautsprechergruppenanordnung |
FR1255304A (fr) * | 1953-10-02 | 1961-03-10 | Haut-parleur | |
FR1527032A (fr) * | 1967-04-03 | 1968-05-31 | Convertisseur électro-acoustique | |
FR2076749A5 (fr) * | 1970-01-27 | 1971-10-15 | Bouyer Paul |
-
1972
- 1972-06-07 FR FR7220413A patent/FR2188387B1/fr not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2201073A (en) * | 1938-03-25 | 1940-05-14 | Philco Radio & Television Corp | Horn type loud-speaker |
DE968490C (de) * | 1949-06-05 | 1958-02-27 | Siemens Ag | Aus mehreren in einer Reihe in eine gemeinsame lattenartige Schallwand eingebauten Lautsprechern bestehende Lautsprechergruppenanordnung |
FR1255304A (fr) * | 1953-10-02 | 1961-03-10 | Haut-parleur | |
FR1527032A (fr) * | 1967-04-03 | 1968-05-31 | Convertisseur électro-acoustique | |
FR2076749A5 (fr) * | 1970-01-27 | 1971-10-15 | Bouyer Paul |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0114951A1 (fr) * | 1982-12-23 | 1984-08-08 | Walter Schupbach | Enceinte stéréophonique |
US4572325A (en) * | 1982-12-23 | 1986-02-25 | Walter Schupbach | Stereophonic baffle |
FR2555389A1 (fr) * | 1983-11-18 | 1985-05-24 | Acoustics First | Enceinte acoustique |
Also Published As
Publication number | Publication date |
---|---|
FR2188387B1 (fr) | 1974-12-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |