GB253486A - - Google Patents
Info
- Publication number
- GB253486A GB253486A GB9727/26A GB972726A GB253486A GB 253486 A GB253486 A GB 253486A GB 9727/26 A GB9727/26 A GB 9727/26A GB 972726 A GB972726 A GB 972726A GB 253486 A GB253486 A GB 253486A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rim
- cone
- diaphragm
- hopkins
- radial
- 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.)
- 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
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36563A US1630011A (en) | 1925-06-11 | 1925-06-11 | Loud speaker |
Publications (1)
Publication Number | Publication Date |
---|---|
GB253486A true GB253486A (xx) | 1927-07-13 |
Family
ID=21889291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9727/26A Expired GB253486A (xx) | 1925-06-11 | 1926-04-13 |
Country Status (6)
Country | Link |
---|---|
US (1) | US1630011A (xx) |
BE (1) | BE334368A (xx) |
DE (1) | DE509370C (xx) |
FR (1) | FR616419A (xx) |
GB (1) | GB253486A (xx) |
NL (1) | NL20912C (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6510919B1 (en) | 2000-08-30 | 2003-01-28 | Awi Licensing Company | Facing system for a flat panel radiator |
-
0
- NL NL20912D patent/NL20912C/xx active
- BE BE334368D patent/BE334368A/xx unknown
-
1925
- 1925-06-11 US US36563A patent/US1630011A/en not_active Expired - Lifetime
-
1926
- 1926-04-13 GB GB9727/26A patent/GB253486A/en not_active Expired
- 1926-05-20 FR FR616419D patent/FR616419A/fr not_active Expired
- 1926-05-29 DE DEH106732D patent/DE509370C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL20912C (xx) | |
FR616419A (fr) | 1927-02-02 |
BE334368A (xx) | |
DE509370C (de) | 1930-10-08 |
US1630011A (en) | 1927-05-24 |
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