FR2335118B1 - - Google Patents
Info
- Publication number
- FR2335118B1 FR2335118B1 FR7637247A FR7637247A FR2335118B1 FR 2335118 B1 FR2335118 B1 FR 2335118B1 FR 7637247 A FR7637247 A FR 7637247A FR 7637247 A FR7637247 A FR 7637247A FR 2335118 B1 FR2335118 B1 FR 2335118B1
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5081275A GB1545517A (en) | 1975-12-11 | 1975-12-11 | Transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2335118A1 FR2335118A1 (fr) | 1977-07-08 |
| FR2335118B1 true FR2335118B1 (nl) | 1982-04-23 |
Family
ID=10457472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7637247A Granted FR2335118A1 (fr) | 1975-12-11 | 1976-12-10 | Transducteur electro-acoustique, notamment pour haut-parleur et ecouteurs |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5292507A (nl) |
| BE (1) | BE849303A (nl) |
| DE (1) | DE2656068A1 (nl) |
| FR (1) | FR2335118A1 (nl) |
| GB (1) | GB1545517A (nl) |
| NL (1) | NL7613813A (nl) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2037535B (en) * | 1978-12-14 | 1983-01-12 | Rank Organisation Ltd | Moving coil transducers |
| DE3301848C2 (de) * | 1983-01-20 | 1984-11-08 | Siemens AG, 1000 Berlin und 8000 München | Ultraschallwandler |
| US4536673A (en) * | 1984-01-09 | 1985-08-20 | Siemens Aktiengesellschaft | Piezoelectric ultrasonic converter with polyurethane foam damper |
| GB2301507B (en) * | 1994-03-08 | 1997-11-19 | Jonathan Neil Smith | Electromagnetic loudspeaker |
| GB9404585D0 (en) * | 1994-03-08 | 1994-04-20 | Smith Jonathan N | Loudspeaker |
| DE69728170T2 (de) * | 1997-11-13 | 2004-09-02 | Protro Co., Ltd., Hamamatsu | Dünner elektromagnetischer wandler |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1815564A (en) * | 1929-06-13 | 1931-07-21 | Westinghouse Electric & Mfg Co | Translating device |
| US3674946A (en) * | 1970-12-23 | 1972-07-04 | Magnepan Inc | Electromagnetic transducer |
| US3873784A (en) * | 1973-03-29 | 1975-03-25 | Audio Arts Inc | Acoustic transducer |
-
1975
- 1975-12-11 GB GB5081275A patent/GB1545517A/en not_active Expired
-
1976
- 1976-12-10 DE DE19762656068 patent/DE2656068A1/de not_active Ceased
- 1976-12-10 BE BE173173A patent/BE849303A/xx not_active IP Right Cessation
- 1976-12-10 FR FR7637247A patent/FR2335118A1/fr active Granted
- 1976-12-11 JP JP14930076A patent/JPS5292507A/ja active Pending
- 1976-12-13 NL NL7613813A patent/NL7613813A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| BE849303A (fr) | 1977-04-01 |
| GB1545517A (en) | 1979-05-10 |
| NL7613813A (nl) | 1977-06-14 |
| DE2656068A1 (de) | 1977-06-23 |
| JPS5292507A (en) | 1977-08-04 |
| FR2335118A1 (fr) | 1977-07-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |