CH266931A - Electroacoustic converter. - Google Patents
Electroacoustic converter.Info
- Publication number
- CH266931A CH266931A CH266931DA CH266931A CH 266931 A CH266931 A CH 266931A CH 266931D A CH266931D A CH 266931DA CH 266931 A CH266931 A CH 266931A
- Authority
- CH
- Switzerland
- Prior art keywords
- electroacoustic converter
- electroacoustic
- converter
- 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
- H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB266931X | 1940-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH266931A true CH266931A (en) | 1950-02-28 |
Family
ID=10247697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH266931D CH266931A (en) | 1940-11-29 | 1946-06-28 | Electroacoustic converter. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2360796A (en) |
BE (1) | BE479953A (en) |
CH (1) | CH266931A (en) |
FR (1) | FR939303A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1175745B (en) * | 1960-05-05 | 1964-08-13 | Ind Res Products Inc | Electromagnetic converter |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2485278A (en) * | 1945-03-31 | 1949-10-18 | Permoflux Corp | Hand microphone and switch |
US2493734A (en) * | 1945-05-23 | 1950-01-03 | Sonotone Corp | Magnetic insert earphone insertable in the ear of the user |
US2523775A (en) * | 1946-05-17 | 1950-09-26 | Wheeler Insulated Wire Company | Electromagnetic transducer |
BE476263A (en) * | 1946-06-21 | |||
BE473856A (en) * | 1946-10-19 | |||
US3060282A (en) * | 1957-07-26 | 1962-10-23 | Baldwin Piano Co | Electroacoustic transducer |
US3066200A (en) * | 1958-08-11 | 1962-11-27 | William Ward Jackson | Speaker device |
DE1155486B (en) * | 1961-03-08 | 1963-10-10 | Arnstadt Fernmeldewerk | Ring-shaped or rectangular magnet system for electroacoustic transducers, symmetrical in relation to the armature |
KR20180079856A (en) * | 2017-01-03 | 2018-07-11 | 유수진 | High-resolution electro-magnetic speaker of bridge edge method |
-
0
- BE BE479953D patent/BE479953A/xx unknown
-
1942
- 1942-05-12 US US442655A patent/US2360796A/en not_active Expired - Lifetime
-
1946
- 1946-06-28 CH CH266931D patent/CH266931A/en unknown
- 1946-08-29 FR FR939303D patent/FR939303A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1175745B (en) * | 1960-05-05 | 1964-08-13 | Ind Res Products Inc | Electromagnetic converter |
Also Published As
Publication number | Publication date |
---|---|
BE479953A (en) | |
FR939303A (en) | 1948-11-09 |
US2360796A (en) | 1944-10-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH217212A (en) | Earmuffs. | |
CH266931A (en) | Electroacoustic converter. | |
CH218369A (en) | Adhesive. | |
CH223104A (en) | Electrodynamic loudspeaker. | |
CH226656A (en) | Structure. | |
CH225198A (en) | Electroacoustic converter. | |
NL59483C (en) | Sound equipment. | |
CH228416A (en) | Haspelkuve. | |
NL144437B (en) | MICROCITCH. | |
CH225658A (en) | Multi-phase converter system. | |
CH218297A (en) | Blocco di costruzione. | |
CH223544A (en) | Soap. | |
DK72591C (en) | Speaker. | |
DK58367C (en) | Microphone. | |
DK61470C (en) | First. | |
GR9022B (en) | SIMPLE WATERFLOWER. | |
DK60418C (en) | Magasinovn. | |
DK61028C (en) | Rigellaas. | |
DK70490C (en) | Bykeldynamo. | |
ES6087Y (en) | Roll-folder. | |
DK60404C (en) | Trugsvingmølle. | |
DK60855C (en) | Ajlebeholder. | |
ES5434Y (en) | Over-sheet. | |
DK59477C (en) | Snaplaas. | |
ES5878Y (en) | Chair-kneeler. |