FR963909A - - Google Patents
Info
- Publication number
- FR963909A FR963909A FR963909DA FR963909A FR 963909 A FR963909 A FR 963909A FR 963909D A FR963909D A FR 963909DA FR 963909 A FR963909 A FR 963909A
- Authority
- FR
- France
- 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
- H04R11/00—Transducers of moving-armature or moving-core type
 
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US752889A US2511114A (en) | 1947-06-06 | 1947-06-06 | Polarized electromagnet | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| FR963909A true FR963909A (OSRAM) | 1950-07-26 | 
Family
ID=25028316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| FR963909D Expired FR963909A (OSRAM) | 1947-06-06 | 
Country Status (3)
| Country | Link | 
|---|---|
| US (1) | US2511114A (OSRAM) | 
| FR (1) | FR963909A (OSRAM) | 
| GB (1) | GB660997A (OSRAM) | 
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE1120504B (de) * | 1958-03-07 | 1961-12-28 | Hugh Shaler Knowles | Schallaufnahme- bzw. Wiedergabegeraet | 
| DE1180415B (de) * | 1961-09-06 | 1964-10-29 | Ind Res Products Inc | Elektromagnetischer Wandler | 
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2536179A (en) * | 1950-04-05 | 1951-01-02 | Remco Ind | Magnetic sound-powered telephonic unit | 
| US2594088A (en) * | 1950-05-05 | 1952-04-22 | Westinghouse Electric Corp | Polarized relay construction | 
| US2912522A (en) * | 1954-06-14 | 1959-11-10 | Industrial Res Prod Inc | Electro-mechanical transducing device | 
| US3002057A (en) * | 1956-03-29 | 1961-09-26 | Vigren Sten Daniel | Polarized electromagnetic device | 
| GB806428A (en) * | 1956-03-29 | 1958-12-23 | Sten Daniel Vigren | Improvements in or relating to polarized electromagnetic devices | 
| US2994016A (en) * | 1957-08-28 | 1961-07-25 | Tibbetts Industries | Magnetic translating device | 
| NL123996C (OSRAM) * | 1958-04-22 | |||
| DE1236073B (de) * | 1958-06-26 | 1967-03-09 | Sten Daniel Vigren | Verfahren zur Herstellung massgerechter Luftspalte bei elektromagnetischen Vorrichtungen | 
| US3054426A (en) * | 1958-12-15 | 1962-09-18 | Gen Motors Corp | Rotary magnetic actuator | 
| DE1257283B (de) * | 1959-11-05 | 1967-12-28 | Tibbetts Industries | Elektromagnetischer Wandler | 
| DE1269246B (de) * | 1959-11-05 | 1968-05-30 | Tibbetts Industries | Magnetischer Wandler | 
| DE1179256B (de) * | 1963-04-13 | 1964-10-08 | Lehner Fernsprech Signal | Vierpoliges Antriebssystem fuer elektro-akustische Wandler | 
| GB1144575A (en) * | 1966-04-19 | 1969-03-05 | Indian Telephone Ind Ltd | Improvements relating to electromagnetic vibratory devices | 
| DE1299039B (de) * | 1966-04-19 | 1969-07-10 | Indian Telephone Ind Ltd Doora | Elektromagnetische Schwingvorrichtung | 
| US3531745A (en) * | 1969-10-22 | 1970-09-29 | Tibbetts Industries | Magnetic translating device with armature flux adjustment means | 
| DE2365190B2 (de) * | 1973-12-29 | 1978-10-26 | Elmeg-Elektro-Mechanik Gmbh, 3150 Peine | Elektromagnetsystem | 
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US265485A (en) * | 1882-10-03 | Electro-magnet | ||
| US847555A (en) * | 1906-02-05 | 1907-03-19 | Western Electric Co | Adjusting device for relays. | 
| US936503A (en) * | 1908-01-04 | 1909-10-12 | Charles E Williams | Magnetic regulator for audiphone-receivers. | 
| US1677336A (en) * | 1925-05-25 | 1928-07-17 | Westinghouse Electric & Mfg Co | Induction relay | 
| US1876164A (en) * | 1929-07-01 | 1932-09-06 | Magnavox Co | Magnetic device | 
| US2013229A (en) * | 1931-10-08 | 1935-09-03 | Andis Mathew | Power driven hair clipper | 
| US2163161A (en) * | 1937-05-20 | 1939-06-20 | Control Instr Co Inc | Magnetic unit | 
| US2215782A (en) * | 1938-08-31 | 1940-09-24 | Control Instr Co Inc | Telephonic unit | 
- 
        0
        - FR FR963909D patent/FR963909A/fr not_active Expired
 
- 
        1947
        - 1947-06-06 US US752889A patent/US2511114A/en not_active Expired - Lifetime
 
- 
        1948
        - 1948-06-04 GB GB15120/48A patent/GB660997A/en not_active Expired
 
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE1120504B (de) * | 1958-03-07 | 1961-12-28 | Hugh Shaler Knowles | Schallaufnahme- bzw. Wiedergabegeraet | 
| DE1180415B (de) * | 1961-09-06 | 1964-10-29 | Ind Res Products Inc | Elektromagnetischer Wandler | 
Also Published As
| Publication number | Publication date | 
|---|---|
| US2511114A (en) | 1950-06-13 | 
| GB660997A (en) | 1951-11-14 |