NL6610234A - - Google Patents
Info
- Publication number
- NL6610234A NL6610234A NL6610234A NL6610234A NL6610234A NL 6610234 A NL6610234 A NL 6610234A NL 6610234 A NL6610234 A NL 6610234A NL 6610234 A NL6610234 A NL 6610234A NL 6610234 A NL6610234 A NL 6610234A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Forging (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US473396A US3367165A (en) | 1965-07-20 | 1965-07-20 | Method for forming a field structure for magnetic loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6610234A true NL6610234A (OSRAM) | 1967-01-23 |
Family
ID=23879351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6610234A NL6610234A (OSRAM) | 1965-07-20 | 1966-07-20 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3367165A (OSRAM) |
| GB (1) | GB1146721A (OSRAM) |
| NL (1) | NL6610234A (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3732836A (en) * | 1971-09-17 | 1973-05-15 | Gen Motors Corp | Method of manufacturing drawn cup bearing races with crowned pathways |
| JPS5584238A (en) * | 1978-12-21 | 1980-06-25 | Sanden Corp | Production of magnetic circuit part of solenoid clutch |
| US4452062A (en) * | 1980-03-08 | 1984-06-05 | Ishizaki Press Kogyo Co., Ltd. | Method of manufacturing battery lid |
| US20070242849A1 (en) * | 2006-04-13 | 2007-10-18 | Galax Multimedia Co., Ltd. | Loudspeaker with high power efficiency and low resonance frequency |
| CN104056907A (zh) * | 2014-06-27 | 2014-09-24 | 梧州恒声电子科技有限公司 | 喇叭盆架的加工方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1142782A (en) * | 1914-12-03 | 1915-06-08 | Rockwood Sprinkler Co | Set of dies. |
| US1427315A (en) * | 1919-09-10 | 1922-08-29 | Boston Pressed Metal Company | Method of forming an article of sheet metal |
| US1397360A (en) * | 1919-11-22 | 1921-11-15 | Rockwood Sprinkler Co | Method of making handles and the like |
| US2722047A (en) * | 1951-05-05 | 1955-11-01 | Walter F Cousino | Production of precision bushings |
| US3191421A (en) * | 1961-03-30 | 1965-06-29 | Aldo L Coen | Method of making loudspeaker field structure |
| US3138864A (en) * | 1961-05-25 | 1964-06-30 | Aldo L Coen | Method of working metal |
-
1965
- 1965-07-20 US US473396A patent/US3367165A/en not_active Expired - Lifetime
-
1966
- 1966-07-04 GB GB30009/66A patent/GB1146721A/en not_active Expired
- 1966-07-20 NL NL6610234A patent/NL6610234A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1146721A (en) | 1969-03-26 |
| US3367165A (en) | 1968-02-06 |