DE475752C - Einrichtung zur lautgetreuen Wiedergabe von Musik, Sprache u. dgl. - Google Patents
Einrichtung zur lautgetreuen Wiedergabe von Musik, Sprache u. dgl.Info
- Publication number
- DE475752C DE475752C DEA46852D DEA0046852D DE475752C DE 475752 C DE475752 C DE 475752C DE A46852 D DEA46852 D DE A46852D DE A0046852 D DEA0046852 D DE A0046852D DE 475752 C DE475752 C DE 475752C
- Authority
- DE
- Germany
- Prior art keywords
- music
- speech
- faithful reproduction
- voltage
- berlin
- Prior art date
- 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
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/004—Transducers other than those covered by groups H04R9/00 - H04R21/00 using ionised gas
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Catching Or Destruction (AREA)
- Generation Of Surge Voltage And Current (AREA)
Description
BERLIN. GEDRUCKT IN DtR REICHSÜUI CKEBEi
Claims (1)
- Patentanspruch :Einrichtung zur lautgetreiien Wiedergäbe von Musik, Sprache u. dgl., dadurch gekennzeichnet, daß einer ieine Spitzementladung hervorrufenden Spannung die veränderliche Spannung der Tonfrequemzwelle überlagert wird.*) Von dem Patentsucher ist als der Erfinder angegeben worden:Dr. Lionel Fleischmann in Berlin - Wilmersdorf.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1687011D US1687011A (en) | 1926-01-23 | Selischaet fur drahtlose telegrapeie h | |
| DEA46852D DE475752C (de) | 1926-01-23 | 1926-01-23 | Einrichtung zur lautgetreuen Wiedergabe von Musik, Sprache u. dgl. |
| DEA47027D DE556402C (de) | 1926-01-23 | 1926-02-14 | Einrichtung zur lautgetreuen Wiedergabe von Musik, Sprache u. dgl. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA46852D DE475752C (de) | 1926-01-23 | 1926-01-23 | Einrichtung zur lautgetreuen Wiedergabe von Musik, Sprache u. dgl. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE475752C true DE475752C (de) | 1929-05-01 |
Family
ID=6935485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEA46852D Expired DE475752C (de) | 1926-01-23 | 1926-01-23 | Einrichtung zur lautgetreuen Wiedergabe von Musik, Sprache u. dgl. |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1687011A (de) |
| DE (1) | DE475752C (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3476887A (en) * | 1966-04-26 | 1969-11-04 | Arnold L Seligson | Ionic electro-acoustic transducer |
| US6937455B2 (en) | 2002-07-03 | 2005-08-30 | Kronos Advanced Technologies, Inc. | Spark management method and device |
| US7053565B2 (en) | 2002-07-03 | 2006-05-30 | Kronos Advanced Technologies, Inc. | Electrostatic fluid accelerator for and a method of controlling fluid flow |
| US9445202B1 (en) | 2015-12-31 | 2016-09-13 | Aga Ad Media, Llp | Electroacoustic transducer having controlled ion generation |
| US10021492B1 (en) | 2017-10-06 | 2018-07-10 | Aga Ad Media, Llp | Electroacoustic transducer with axial electric field |
-
0
- US US1687011D patent/US1687011A/en not_active Expired - Lifetime
-
1926
- 1926-01-23 DE DEA46852D patent/DE475752C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1687011A (en) | 1928-10-09 |
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