NO742399L - - Google Patents
Info
- Publication number
- NO742399L NO742399L NO742399A NO742399A NO742399L NO 742399 L NO742399 L NO 742399L NO 742399 A NO742399 A NO 742399A NO 742399 A NO742399 A NO 742399A NO 742399 L NO742399 L NO 742399L
- Authority
- NO
- Norway
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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1973078632U JPS5351154Y2 (en) | 1973-07-02 | 1973-07-02 | |
| JP13559173U JPS5432905Y2 (en) | 1973-11-24 | 1973-11-24 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO742399L true NO742399L (en) | 1975-01-27 |
| NO140846B NO140846B (en) | 1979-08-13 |
| NO140846C NO140846C (en) | 1979-11-21 |
Family
ID=26419686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO742399A NO140846C (en) | 1973-07-02 | 1974-07-02 | HOW SPEAKERS. |
Country Status (8)
| Country | Link |
|---|---|
| BR (1) | BR7405447D0 (en) |
| CA (1) | CA999964A (en) |
| DE (1) | DE2431571C2 (en) |
| FR (1) | FR2236332B1 (en) |
| GB (1) | GB1442468A (en) |
| IT (1) | IT1015633B (en) |
| NL (1) | NL7408966A (en) |
| NO (1) | NO140846C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8712014U1 (en) * | 1987-09-04 | 1987-10-29 | Chen, Ding Pang, Taipeh/T'ai-pei | Perimeter element for a loudspeaker |
| JPH07101959B2 (en) * | 1990-06-29 | 1995-11-01 | オンキヨー株式会社 | Adhesion method for speaker diaphragm |
| DE4041858A1 (en) * | 1990-12-24 | 1992-07-02 | Nokia Unterhaltungselektronik | DRIVE SYSTEM FOR LONG-HUBBED LOW SPEAKER |
| DE4111748A1 (en) * | 1991-04-11 | 1992-10-15 | Nokia Deutschland Gmbh | LOUDSPEAKER WITH COMPONENT COMPOSING COMPONENT |
| US6992057B2 (en) | 2000-02-22 | 2006-01-31 | The Procter & Gamble Company | Fatty acids, soaps, surfactant systems, and consumer products based thereon |
| EP1025190A2 (en) | 1997-10-23 | 2000-08-09 | The Procter & Gamble Company | Fatty acids, soaps, surfactant systems, and consumer products based thereon |
| US9427540B2 (en) * | 2005-11-08 | 2016-08-30 | Carefusion 207, Inc. | High frequency oscillator ventilator |
| JP4231879B2 (en) * | 2006-07-20 | 2009-03-04 | ホシデン株式会社 | Piezoelectric electroacoustic transducer |
| US9277303B2 (en) | 2014-01-22 | 2016-03-01 | Bose Corporation | Treatment for loudspeaker suspension element fabric |
-
1974
- 1974-06-27 GB GB2860974A patent/GB1442468A/en not_active Expired
- 1974-06-28 CA CA203,645A patent/CA999964A/en not_active Expired
- 1974-07-01 DE DE2431571A patent/DE2431571C2/en not_active Expired
- 1974-07-02 IT IT24738/74A patent/IT1015633B/en active
- 1974-07-02 NO NO742399A patent/NO140846C/en unknown
- 1974-07-02 NL NL7408966A patent/NL7408966A/en not_active Application Discontinuation
- 1974-07-02 BR BR5447/74A patent/BR7405447D0/en unknown
- 1974-07-02 FR FR7422990A patent/FR2236332B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA999964A (en) | 1976-11-16 |
| IT1015633B (en) | 1977-05-20 |
| FR2236332A1 (en) | 1975-01-31 |
| DE2431571C2 (en) | 1983-09-22 |
| GB1442468A (en) | 1976-07-14 |
| DE2431571A1 (en) | 1975-01-30 |
| FR2236332B1 (en) | 1981-05-22 |
| BR7405447D0 (en) | 1975-04-15 |
| NL7408966A (en) | 1975-01-06 |
| NO140846B (en) | 1979-08-13 |
| AU7057574A (en) | 1976-01-08 |
| NO140846C (en) | 1979-11-21 |