NL15444C - - Google Patents
Info
- Publication number
- NL15444C NL15444C NL15444DA NL15444C NL 15444 C NL15444 C NL 15444C NL 15444D A NL15444D A NL 15444DA NL 15444 C NL15444 C NL 15444C
- 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
- H04R9/06—Loudspeakers
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
-
- 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
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES63058D DE410114C (en) | 1923-06-08 | 1923-06-08 | Electrodynamic telephone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL15444C true NL15444C (en) |
Family
ID=27770804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL15444D NL15444C (en) | 1923-06-08 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US1604532A (en) |
| AT (1) | AT103800B (en) |
| CH (1) | CH109033A (en) |
| DE (1) | DE410114C (en) |
| GB (1) | GB217192A (en) |
| NL (1) | NL15444C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2419608A (en) * | 1935-05-29 | 1947-04-29 | Submarine Signal Co | Electrical oscillator |
| US2444967A (en) * | 1936-03-23 | 1948-07-13 | Submarine Signal Co | Oscillator |
| US2517565A (en) * | 1939-01-21 | 1950-08-08 | Harvey C Hayes | Electrodynamic transceiver for transmission and reception of sound |
| US2437085A (en) * | 1943-03-12 | 1948-03-02 | Rca Corp | Heat detection device |
| US2789161A (en) * | 1951-04-05 | 1957-04-16 | Joseph B Brennan | Loud-speakers |
| US3027541A (en) * | 1951-08-11 | 1962-03-27 | Harris Transducer Corp | Structure for use in an electrodynamic transducer |
| US2978671A (en) * | 1951-08-11 | 1961-04-04 | Harris Transducer Corp | Electrodynamic transducer |
| US2978669A (en) * | 1954-03-08 | 1961-04-04 | Harris Transducer Corp | Underwater electrodynamic acoustic transducer with air-filled composite diaphragm |
| US3018465A (en) * | 1954-05-04 | 1962-01-23 | Harris Transducer Corp | Compliant acoustic radiating means |
| US3066200A (en) * | 1958-08-11 | 1962-11-27 | William Ward Jackson | Speaker device |
| US3164686A (en) * | 1959-09-21 | 1965-01-05 | Tibbetts Industries | Electrodynamic transducer |
| FR1269138A (en) * | 1960-06-23 | 1961-08-11 | Improvements to loudspeakers, microphones, and similar electrodynamic devices |
-
0
- NL NL15444D patent/NL15444C/xx active
-
1923
- 1923-06-08 DE DES63058D patent/DE410114C/en not_active Expired
-
1924
- 1924-04-07 CH CH109033D patent/CH109033A/en unknown
- 1924-04-11 AT AT103800D patent/AT103800B/en active
- 1924-05-06 GB GB11223/24A patent/GB217192A/en not_active Expired
- 1924-05-15 US US713481A patent/US1604532A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH109033A (en) | 1925-05-16 |
| AT103800B (en) | 1926-07-26 |
| GB217192A (en) | 1924-09-11 |
| DE410114C (en) | 1925-02-26 |
| US1604532A (en) | 1926-10-26 |