CH245420A - Electrodynamic speaker. - Google Patents
Electrodynamic speaker.Info
- Publication number
- CH245420A CH245420A CH245420DA CH245420A CH 245420 A CH245420 A CH 245420A CH 245420D A CH245420D A CH 245420DA CH 245420 A CH245420 A CH 245420A
- Authority
- CH
- Switzerland
- Prior art keywords
- electrodynamic speaker
- electrodynamic
- speaker
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/043—Short circuited voice coils driven by induction
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT892396X | 1942-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH245420A true CH245420A (en) | 1946-11-15 |
Family
ID=11331453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH245420D CH245420A (en) | 1942-02-05 | 1943-02-09 | Electrodynamic speaker. |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH245420A (en) |
FR (1) | FR892396A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE853298C (en) * | 1950-08-01 | 1952-10-23 | Bernhard Philberth | Feedback dynamic loudspeaker |
DE1139575B (en) * | 1957-08-19 | 1962-11-15 | Heinrich Doelz Dipl Ing | Dynamic electromechanical converter |
EP0162721A2 (en) * | 1984-05-25 | 1985-11-27 | Ampex Corporation | Linear motor protected from dust and particles |
EP1094686B1 (en) * | 1999-10-19 | 2003-05-14 | Sagem SA | Mobile telephone loudspeaker |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5936689U (en) * | 1982-08-31 | 1984-03-07 | パイオニア株式会社 | speaker device |
DE58908385D1 (en) * | 1988-07-15 | 1994-10-27 | Studer Revox Ag | Electrodynamic speaker. |
WO1994016536A1 (en) * | 1993-01-06 | 1994-07-21 | Velodyne Acoustics, Inc. | Speaker containing dual coil |
IT1297378B1 (en) * | 1997-12-05 | 1999-09-01 | B & C Speakers S P A | ELECTRODYNAMIC ACOUSTIC TRANSDUCER WITH LOW INDUCTANCE EQUIVALENT OF THE MOBILE CREW |
-
1943
- 1943-02-09 CH CH245420D patent/CH245420A/en unknown
- 1943-03-16 FR FR892396D patent/FR892396A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE853298C (en) * | 1950-08-01 | 1952-10-23 | Bernhard Philberth | Feedback dynamic loudspeaker |
DE1139575B (en) * | 1957-08-19 | 1962-11-15 | Heinrich Doelz Dipl Ing | Dynamic electromechanical converter |
EP0162721A2 (en) * | 1984-05-25 | 1985-11-27 | Ampex Corporation | Linear motor protected from dust and particles |
EP0162721A3 (en) * | 1984-05-25 | 1987-01-14 | Ampex Corporation | Particle free linear motor |
EP1094686B1 (en) * | 1999-10-19 | 2003-05-14 | Sagem SA | Mobile telephone loudspeaker |
Also Published As
Publication number | Publication date |
---|---|
FR892396A (en) | 1944-04-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH245420A (en) | Electrodynamic speaker. | |
DK65977C (en) | Plantemaskine. | |
CH260885A (en) | Toy. | |
CH270405A (en) | Microphone. | |
CH231132A (en) | Combiner. | |
CH225770A (en) | Brassiere. | |
FR892903A (en) | Loud speaker | |
CH230815A (en) | Amplifier device. | |
DK64068C (en) | Microphone holder. | |
FR890072A (en) | Microphone | |
DK63145C (en) | Screen ten Speakers. | |
ES7619Y (en) | Improved sink-laundry. | |
FR897298A (en) | Electro-acoustic receiver | |
ES7621Y (en) | Sheet-envelope. | |
ES7544Y (en) | Sommier. | |
DK61708C (en) | Issandal. | |
DK63564C (en) | Kravlegaard. | |
DK64711C (en) | Persiene. | |
DK66560C (en) | Pattestift. | |
DK70561C (en) | Plantemaskine. | |
DK71628C (en) | Borstang. | |
ES7287Y (en) | Suitcase-plane-wardrobe. | |
DK60914C (en) | Bykeldynamo. | |
DK61417C (en) | Ajlnedfælder. | |
ES7693Y (en) | Cyclofloat. |