DE969603C - Verbesserung an einer Tonwiedergabevorrichtung - Google Patents
Verbesserung an einer TonwiedergabevorrichtungInfo
- Publication number
- DE969603C DE969603C DEF2473A DEF0002473A DE969603C DE 969603 C DE969603 C DE 969603C DE F2473 A DEF2473 A DE F2473A DE F0002473 A DEF0002473 A DE F0002473A DE 969603 C DE969603 C DE 969603C
- Authority
- DE
- Germany
- Prior art keywords
- pole pieces
- receiver
- housing
- armature
- magnetic field
- 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
- H04R11/00—Transducers of moving-armature or moving-core type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R27/00—Public address systems
- H04R27/02—Amplifying systems for the deaf
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (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 |
---|---|---|---|
GB19748/49A GB674753A (en) | 1949-07-27 | 1949-07-27 | Improvements relating to sound-reproducing systems |
Publications (1)
Publication Number | Publication Date |
---|---|
DE969603C true DE969603C (de) | 1958-06-26 |
Family
ID=10134543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEF2473A Expired DE969603C (de) | 1949-07-27 | 1950-08-22 | Verbesserung an einer Tonwiedergabevorrichtung |
Country Status (4)
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0296092A3 (en) * | 1987-06-19 | 1989-08-16 | George Geladakis | Arrangement for wireless earphones without batteries and electronic circuits, applicable in audio-systems or audio-visual systems of all kinds |
EP3255903B1 (en) | 2009-08-03 | 2022-12-07 | IMAX Corporation | Systems and method for monitoring cinema loudspeakers and compensating for quality problems |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2252641A (en) * | 1937-07-05 | 1941-08-12 | Poliakoff Joseph | Method of and apparatus for the transmission of speech and other sounds |
-
0
- BE BE506590D patent/BE506590A/xx unknown
-
1949
- 1949-07-27 GB GB19748/49A patent/GB674753A/en not_active Expired
-
1950
- 1950-07-25 FR FR1022470D patent/FR1022470A/fr not_active Expired
- 1950-08-22 DE DEF2473A patent/DE969603C/de not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2252641A (en) * | 1937-07-05 | 1941-08-12 | Poliakoff Joseph | Method of and apparatus for the transmission of speech and other sounds |
Also Published As
Publication number | Publication date |
---|---|
GB674753A (en) | 1952-07-02 |
FR1022470A (fr) | 1953-03-05 |
BE506590A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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