EP0281774A3 - Haut-parleur - Google Patents
Haut-parleur Download PDFInfo
- Publication number
- EP0281774A3 EP0281774A3 EP19880101866 EP88101866A EP0281774A3 EP 0281774 A3 EP0281774 A3 EP 0281774A3 EP 19880101866 EP19880101866 EP 19880101866 EP 88101866 A EP88101866 A EP 88101866A EP 0281774 A3 EP0281774 A3 EP 0281774A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- membrane
- flat membrane
- natural frequencies
- drive cone
- cone
- 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.)
- Withdrawn
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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3707741 | 1987-03-11 | ||
| DE19873707741 DE3707741A1 (de) | 1987-03-11 | 1987-03-11 | Lautsprecher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0281774A2 EP0281774A2 (fr) | 1988-09-14 |
| EP0281774A3 true EP0281774A3 (fr) | 1990-12-27 |
Family
ID=6322742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19880101866 Withdrawn EP0281774A3 (fr) | 1987-03-11 | 1988-02-09 | Haut-parleur |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0281774A3 (fr) |
| JP (1) | JPS63236499A (fr) |
| DE (1) | DE3707741A1 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0243894A (ja) * | 1988-08-03 | 1990-02-14 | Matsushita Electric Ind Co Ltd | スピーカ |
| DE19747955C2 (de) * | 1997-10-30 | 2002-11-07 | Harman Audio Electronic Sys | Lautsprecher |
| JP5085318B2 (ja) | 2004-04-16 | 2012-11-28 | ニュー トランスデューサーズ リミテッド | 音響装置及び音響装置製造方法 |
| JP4576991B2 (ja) * | 2004-11-22 | 2010-11-10 | パナソニック株式会社 | 振動板とそれを用いたスピーカ |
| DE102006035010A1 (de) * | 2006-07-28 | 2008-02-07 | Siemens Ag | Flächenlautsprecher mit einer Schwingspule |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1487382A1 (de) * | 1966-05-03 | 1969-01-02 | Nippon Musical Instruments Mfg | Lautsprecher mit asymmetrischer Membran |
| JPS5730500A (en) * | 1980-07-30 | 1982-02-18 | Pioneer Electronic Corp | Plane speaker |
| JPS5783995A (en) * | 1980-11-11 | 1982-05-26 | Matsushita Electric Ind Co Ltd | Speaker |
-
1987
- 1987-03-11 DE DE19873707741 patent/DE3707741A1/de not_active Withdrawn
-
1988
- 1988-02-09 EP EP19880101866 patent/EP0281774A3/fr not_active Withdrawn
- 1988-03-08 JP JP5278288A patent/JPS63236499A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1487382A1 (de) * | 1966-05-03 | 1969-01-02 | Nippon Musical Instruments Mfg | Lautsprecher mit asymmetrischer Membran |
| JPS5730500A (en) * | 1980-07-30 | 1982-02-18 | Pioneer Electronic Corp | Plane speaker |
| JPS5783995A (en) * | 1980-11-11 | 1982-05-26 | Matsushita Electric Ind Co Ltd | Speaker |
Non-Patent Citations (2)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN, Band 6, Nr. 164 (E-127)[1042], 27. August 1982; & JP-A-57 083 995 (MATSUSHITA) 26-05-1982 * |
| PATENT ABSTRACTS OF JAPAN, Band 6, Nr. 99 (E-111)[977], 8. Juni 1982; & JP-A-57 030 500 (PIONEER K.K.) 18-02-1982 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63236499A (ja) | 1988-10-03 |
| EP0281774A2 (fr) | 1988-09-14 |
| DE3707741A1 (de) | 1988-09-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT DE FR GB IT SE |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT DE FR GB IT SE |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19910628 |