FR2450019B1 - - Google Patents
Info
- Publication number
- FR2450019B1 FR2450019B1 FR7904661A FR7904661A FR2450019B1 FR 2450019 B1 FR2450019 B1 FR 2450019B1 FR 7904661 A FR7904661 A FR 7904661A FR 7904661 A FR7904661 A FR 7904661A FR 2450019 B1 FR2450019 B1 FR 2450019B1
- 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.)
- 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
- 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
- H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
- H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type 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
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7904661A FR2450019A1 (fr) | 1979-02-23 | 1979-02-23 | Caisson basse frequence, notamment pour systeme acoustique triphonique |
| DE8080400180T DE3070893D1 (en) | 1979-02-23 | 1980-02-05 | Three-channel acoustic system |
| EP80400180A EP0015186B1 (fr) | 1979-02-23 | 1980-02-05 | Système de reproduction acoustique triphonique |
| US06/122,869 US4326099A (en) | 1979-02-23 | 1980-02-20 | Low frequency cabinet, in particular for a triphonic audio network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7904661A FR2450019A1 (fr) | 1979-02-23 | 1979-02-23 | Caisson basse frequence, notamment pour systeme acoustique triphonique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2450019A1 FR2450019A1 (fr) | 1980-09-19 |
| FR2450019B1 true FR2450019B1 (US20100268047A1-20101021-C00003.png) | 1982-04-02 |
Family
ID=9222374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7904661A Granted FR2450019A1 (fr) | 1979-02-23 | 1979-02-23 | Caisson basse frequence, notamment pour systeme acoustique triphonique |
Country Status (4)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4350847A (en) * | 1981-01-12 | 1982-09-21 | Polk Audio, Inc. | Subwoofer system using a passive radiator |
| NL8300011A (nl) * | 1983-01-04 | 1984-08-01 | Philips Nv | Luidsprekerinrichting met een of meer vlakke membranen. |
| US4882760A (en) * | 1983-12-02 | 1989-11-21 | Yee Raymond M | Sound reproduction system |
| IT8423959V0 (it) * | 1984-11-30 | 1984-11-30 | Fricker Eric Franzini Angelo | Cassa acustica singola ad effetto spaziale per impianti di riproduzione musicale. |
| US4932060A (en) * | 1987-03-25 | 1990-06-05 | Bose Corporation | Stereo electroacoustical transducing |
| JPH0628876Y2 (ja) * | 1988-03-01 | 1994-08-03 | 株式会社ケンウッド | 低音域再生用スピーカシステム |
| FR2632801A1 (fr) * | 1988-06-14 | 1989-12-15 | Voise Serge | Adaptateur pour acoustique curviligne |
| JP2673002B2 (ja) * | 1989-03-31 | 1997-11-05 | 株式会社ケンウッド | スピーカシステム |
| TW203674B (US20100268047A1-20101021-C00003.png) * | 1991-07-09 | 1993-04-11 | Tong Hoon Sohn | |
| US5602367A (en) * | 1994-12-19 | 1997-02-11 | Meyer Sound Laboratories Incorporated | Multiple tuned high power bass reflex speaker system |
| US5815589A (en) * | 1997-02-18 | 1998-09-29 | Wainwright; Charles E. | Push-pull transmission line loudspeaker |
| CN1179602C (zh) * | 1999-03-03 | 2004-12-08 | 音响株式会社 | 扬声器系统 |
| EP1229760B1 (en) * | 2001-01-22 | 2005-12-28 | Matsushita Electric Industrial Co., Ltd. | Speaker system |
| MXPA01007784A (es) * | 2001-08-01 | 2003-02-10 | Carlos Viterbo Estrad Gonzalez | Mejoras en la reproduccion de sonidos. |
| DE112004000808D2 (de) * | 2003-04-24 | 2006-01-26 | Roland Roth | Ton- und/oder Bildwiedergabegerät und Verwendung eines abnehmbaren Bedienpanels |
| US7840018B2 (en) * | 2006-09-30 | 2010-11-23 | Harman International Industries, Incorporated | In-wall sub-woofer system with high-volume displacement |
| WO2010135280A2 (en) * | 2009-05-18 | 2010-11-25 | Knowles Electronics, Llc | Microphone having reduced vibration sensitivity |
| US10531199B2 (en) | 2018-03-14 | 2020-01-07 | Honda Motor Co., Ltd. | Vehicle sound system |
| US10165369B1 (en) | 2018-03-14 | 2018-12-25 | Honda Motor Co., Ltd. | Vehicle audio system |
| CN109714688A (zh) * | 2019-02-19 | 2019-05-03 | 苏州上声电子股份有限公司 | 一种扬声器系统 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3016424A (en) * | 1958-09-09 | 1962-01-09 | Telefunken Gmbh | Monaural and binaural sound system |
| US3076520A (en) * | 1959-05-21 | 1963-02-05 | Claude C Farwell | Loud speaker |
| US3400217A (en) * | 1965-02-08 | 1968-09-03 | Oscar E. Kraut | Method of and means for loudspeaker sound wave distribution |
| US3609240A (en) * | 1970-03-18 | 1971-09-28 | Ind Patent Dev Corp | Stereophonic headphones |
| US3688864A (en) * | 1970-04-16 | 1972-09-05 | Talbot American Corp | Infinite dynamic damping loudspeaker systems |
| US3892917A (en) * | 1971-10-07 | 1975-07-01 | Nippon Musical Instruments Mfg | Speaker system for multichannel stereosignal reproduction |
| US3867996A (en) * | 1973-11-21 | 1975-02-25 | Modular Sound Systems Inc | Speaker enclosure |
| FR2340012A1 (fr) * | 1976-01-30 | 1977-08-26 | Pascal Alain | Transducteur electro-acoustique |
| US4200170A (en) * | 1977-08-29 | 1980-04-29 | Williams John H Jr | Pyramid speaker assembly |
| JPS5552694A (en) * | 1978-10-12 | 1980-04-17 | Mitsubishi Electric Corp | Speaker system |
-
1979
- 1979-02-23 FR FR7904661A patent/FR2450019A1/fr active Granted
-
1980
- 1980-02-05 EP EP80400180A patent/EP0015186B1/fr not_active Expired
- 1980-02-05 DE DE8080400180T patent/DE3070893D1/de not_active Expired
- 1980-02-20 US US06/122,869 patent/US4326099A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2450019A1 (fr) | 1980-09-19 |
| US4326099A (en) | 1982-04-20 |
| DE3070893D1 (en) | 1985-08-29 |
| EP0015186A1 (fr) | 1980-09-03 |
| EP0015186B1 (fr) | 1985-07-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |