FR2275956B3 - - Google Patents
Info
- Publication number
- FR2275956B3 FR2275956B3 FR7516459A FR7516459A FR2275956B3 FR 2275956 B3 FR2275956 B3 FR 2275956B3 FR 7516459 A FR7516459 A FR 7516459A FR 7516459 A FR7516459 A FR 7516459A FR 2275956 B3 FR2275956 B3 FR 2275956B3
- 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/02—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/481,533 US3931469A (en) | 1974-06-21 | 1974-06-21 | Crossover network for a multi-element electrostatic loudspeaker system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2275956A1 FR2275956A1 (fr) | 1976-01-16 |
| FR2275956B3 true FR2275956B3 (ref) | 1978-12-29 |
Family
ID=23912306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7516459A Granted FR2275956A1 (fr) | 1974-06-21 | 1975-05-27 | Installation a haut-parleurs electrostatiques |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3931469A (ref) |
| JP (1) | JPS5116920A (ref) |
| CA (1) | CA1027488A (ref) |
| DE (1) | DE2524922A1 (ref) |
| FR (1) | FR2275956A1 (ref) |
| GB (1) | GB1494548A (ref) |
| IT (1) | IT1028833B (ref) |
| NL (1) | NL7507251A (ref) |
| SE (1) | SE7507051L (ref) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237340A (en) * | 1977-06-02 | 1980-12-02 | Klipsch And Associates, Inc. | Crossover network for optimizing efficiency and improving response of loudspeaker system |
| US4771466A (en) * | 1983-10-07 | 1988-09-13 | Modafferi Acoustical Systems, Ltd. | Multidriver loudspeaker apparatus with improved crossover filter circuits |
| US4606071A (en) * | 1984-08-13 | 1986-08-12 | White Jr Lahroy A | Loudspeaker system utilizing an equalizer circuit |
| NL8600901A (nl) * | 1986-04-09 | 1987-11-02 | Ir Ronald Jan Geluk | Meerweg-luidsprekerstelsel. |
| US5327505A (en) * | 1992-01-24 | 1994-07-05 | Man Ho Kim | Multiple output transformers network for sound reproducing system |
| US5568560A (en) * | 1995-05-11 | 1996-10-22 | Multi Service Corporation | Audio crossover circuit |
| US5937072A (en) * | 1997-03-03 | 1999-08-10 | Multi Service Corporation | Audio crossover circuit |
| US6115475A (en) * | 1998-07-23 | 2000-09-05 | Diaural, L.L.C. | Capacitor-less crossover network for electro-acoustic loudspeakers |
| US6310959B1 (en) | 1999-08-24 | 2001-10-30 | Diaural, Llc | Tuned order crossover network for electro-acoustic loudspeakers |
| US6707919B2 (en) | 2000-12-20 | 2004-03-16 | Multi Service Corporation | Driver control circuit |
| DE102004048990A1 (de) * | 2004-10-04 | 2006-04-06 | Volkswagen Ag | Lautsprecheranordnung in einem Kraftfahrzeug |
| US10687148B2 (en) * | 2016-01-28 | 2020-06-16 | Sonion Nederland B.V. | Assembly comprising an electrostatic sound generator and a transformer |
| CN112334867B (zh) | 2018-05-24 | 2025-11-11 | 纽约州立大学研究基金会 | 电容传感器 |
| WO2020086852A1 (en) * | 2018-10-24 | 2020-04-30 | Clean Energy Labs, Llc | Stereophonic loudspeaker system and method of use thereof |
| CN113179471A (zh) * | 2021-04-26 | 2021-07-27 | 王丁宁 | 一种静电式扬声系统及其驱动装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB345342A (en) * | 1929-07-04 | 1931-03-23 | Vogt Hans | Improvements in or relating to sound-reproducing instruments |
| GB791335A (en) * | 1954-05-13 | 1958-02-26 | Ferguson Radio Corp | Improvements in and relating to electric circuits for use in sound reproduction |
| US2934611A (en) * | 1955-11-09 | 1960-04-26 | Pickering Associates Inc | Electrostatic speaker |
-
1974
- 1974-06-21 US US05/481,533 patent/US3931469A/en not_active Expired - Lifetime
-
1975
- 1975-05-08 GB GB19386/75A patent/GB1494548A/en not_active Expired
- 1975-05-27 FR FR7516459A patent/FR2275956A1/fr active Granted
- 1975-06-02 CA CA228,222A patent/CA1027488A/en not_active Expired
- 1975-06-05 DE DE19752524922 patent/DE2524922A1/de not_active Withdrawn
- 1975-06-18 SE SE7507051A patent/SE7507051L/xx unknown
- 1975-06-18 NL NL7507251A patent/NL7507251A/xx unknown
- 1975-06-19 IT IT09463/75A patent/IT1028833B/it active
- 1975-06-21 JP JP50076414A patent/JPS5116920A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2275956A1 (fr) | 1976-01-16 |
| US3931469A (en) | 1976-01-06 |
| JPS5116920A (ref) | 1976-02-10 |
| IT1028833B (it) | 1979-02-10 |
| CA1027488A (en) | 1978-03-07 |
| DE2524922A1 (de) | 1976-01-08 |
| GB1494548A (en) | 1977-12-07 |
| SE7507051L (sv) | 1975-12-22 |
| NL7507251A (nl) | 1975-12-23 |