NL188882C - Membraanophangconstructie. - Google Patents
Membraanophangconstructie.Info
- Publication number
- NL188882C NL188882C NL7904338A NL7904338A NL188882C NL 188882 C NL188882 C NL 188882C NL 7904338 A NL7904338 A NL 7904338A NL 7904338 A NL7904338 A NL 7904338A NL 188882 C NL188882 C NL 188882C
- Authority
- NL
- Netherlands
- Prior art keywords
- suspension structure
- membrane suspension
- membrane
- suspension
- Prior art date
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
- H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
-
- 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
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/207—Shape aspects of the outer suspension of loudspeaker diaphragms
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US96059778A | 1978-11-14 | 1978-11-14 | |
US96059778 | 1978-11-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7904338A NL7904338A (nl) | 1980-05-19 |
NL188882C true NL188882C (nl) | 1992-10-16 |
Family
ID=25503371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7904338A NL188882C (nl) | 1978-11-14 | 1979-06-01 | Membraanophangconstructie. |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5567297A (nl) |
BE (1) | BE879985A (nl) |
DE (1) | DE2944445A1 (nl) |
FR (1) | FR2441979A1 (nl) |
GB (1) | GB2035008B (nl) |
NL (1) | NL188882C (nl) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2348336A (en) * | 1999-03-24 | 2000-09-27 | Edwin William Form | A suspension for diaphragm actuators |
GB2374753B (en) * | 2001-01-29 | 2004-12-22 | Goodmans Loudspeakers Ltd | Loudspeaker suspension |
GB2471884A (en) * | 2009-07-17 | 2011-01-19 | Gp Acoustics | Loudspeaker driver surround with at least one stiffening tab |
GB2560496B (en) * | 2017-03-16 | 2021-09-29 | Gp Acoustics Uk Ltd | Loudspeaker driver surround |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB368926A (en) * | 1931-01-29 | 1932-03-17 | Victor Talking Machine Co | Improvements in acoustic diaphragms |
GB726780A (en) * | 1952-01-19 | 1955-03-23 | Cole E K Ltd | Improvements in or relating to sound producing diaphragms |
DE1003265B (de) * | 1952-11-07 | 1957-02-28 | Walter Kirbach | Zentrier- und Halteteile von Lautsprechermembranen und aehnlichen akustischen Membranen |
US2873813A (en) * | 1955-07-27 | 1959-02-17 | Hawley Products Co | Acoustic diaphragm and method of construction |
US3198283A (en) * | 1962-11-09 | 1965-08-03 | Sierra Spun Metals Inc | Loud speaker construction |
JPS5548631Y2 (nl) * | 1975-07-21 | 1980-11-13 | ||
JPS5542552Y2 (nl) * | 1976-03-30 | 1980-10-06 |
-
1979
- 1979-05-15 JP JP5959879A patent/JPS5567297A/ja active Granted
- 1979-05-23 GB GB7918006A patent/GB2035008B/en not_active Expired
- 1979-06-01 NL NL7904338A patent/NL188882C/nl not_active IP Right Cessation
- 1979-11-03 DE DE19792944445 patent/DE2944445A1/de not_active Withdrawn
- 1979-11-13 BE BE2/58204A patent/BE879985A/fr not_active IP Right Cessation
- 1979-11-13 FR FR7927958A patent/FR2441979A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2035008B (en) | 1983-10-12 |
FR2441979A1 (fr) | 1980-06-13 |
GB2035008A (en) | 1980-06-11 |
JPS644400B2 (nl) | 1989-01-25 |
BE879985A (fr) | 1980-05-13 |
NL7904338A (nl) | 1980-05-19 |
FR2441979B1 (nl) | 1984-07-13 |
DE2944445A1 (de) | 1980-05-29 |
JPS5567297A (en) | 1980-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Lapsed because of reaching the maximum lifetime of a patent |
Free format text: 19990601 |