NL6514847A - - Google Patents
Info
- Publication number
- NL6514847A NL6514847A NL6514847A NL6514847A NL6514847A NL 6514847 A NL6514847 A NL 6514847A NL 6514847 A NL6514847 A NL 6514847A NL 6514847 A NL6514847 A NL 6514847A NL 6514847 A NL6514847 A NL 6514847A
- Authority
- NL
- Netherlands
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
- H04R9/022—Cooling arrangements
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR997222A FR1425383A (fr) | 1964-12-03 | 1964-12-03 | Transducteur électro-acoustique sous-marin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6514847A true NL6514847A (xx) | 1966-06-06 |
Family
ID=8843925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6514847A NL6514847A (xx) | 1964-12-03 | 1965-11-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3349366A (xx) |
| DE (1) | DE1516615A1 (xx) |
| FR (1) | FR1425383A (xx) |
| GB (1) | GB1132579A (xx) |
| NL (1) | NL6514847A (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3747054A (en) * | 1970-01-05 | 1973-07-17 | Monroe X Ray Co | Wireless control of machines inside a pipeline |
| US4144520A (en) * | 1977-02-03 | 1979-03-13 | Geo Space Corporation | Geophone having electromagnetic damping means |
| DE3436829A1 (de) * | 1984-10-06 | 1986-04-10 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Verfahren und vorrichtungen zum erzeugen von druck- oder scherwellen in einem festen medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1808149A (en) * | 1929-04-03 | 1931-06-02 | Smith Morris | Electrodynamic speaker |
| US2432218A (en) * | 1944-07-15 | 1947-12-09 | Vang Alfred | Apparatus and method for generating sound |
| US2510815A (en) * | 1948-08-06 | 1950-06-06 | Stephen R Granche | Safety device for railway switches |
| US2977573A (en) * | 1952-12-30 | 1961-03-28 | Bell Telephone Labor Inc | Pressure compensated underwater transducer |
-
1964
- 1964-12-03 FR FR997222A patent/FR1425383A/fr not_active Expired
-
1965
- 1965-11-16 NL NL6514847A patent/NL6514847A/xx unknown
- 1965-11-30 US US510513A patent/US3349366A/en not_active Expired - Lifetime
- 1965-12-02 DE DE19651516615 patent/DE1516615A1/de active Pending
- 1965-12-02 GB GB51186/65A patent/GB1132579A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3349366A (en) | 1967-10-24 |
| DE1516615A1 (de) | 1969-05-08 |
| FR1425383A (fr) | 1966-01-24 |
| GB1132579A (en) | 1968-11-06 |