CH267996A - Wideband speaker with double vibrating diaphragm. - Google Patents
Wideband speaker with double vibrating diaphragm.Info
- Publication number
- CH267996A CH267996A CH267996DA CH267996A CH 267996 A CH267996 A CH 267996A CH 267996D A CH267996D A CH 267996DA CH 267996 A CH267996 A CH 267996A
- Authority
- CH
- Switzerland
- Prior art keywords
- vibrating diaphragm
- double vibrating
- wideband speaker
- wideband
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT267996X | 1946-08-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH267996A true CH267996A (en) | 1950-04-30 |
Family
ID=11220262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH267996D CH267996A (en) | 1946-08-13 | 1948-02-10 | Wideband speaker with double vibrating diaphragm. |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH267996A (en) |
FR (1) | FR1001734A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT224180B (en) * | 1961-04-28 | 1962-11-12 | Akg Akustische Kino Geraete | Dynamic headphones based on the two-way system |
US5548657A (en) * | 1988-05-09 | 1996-08-20 | Kef Audio (Uk) Limited | Compound loudspeaker drive unit |
GB8810943D0 (en) * | 1988-05-09 | 1988-06-15 | Kef Electronics Ltd | Loudspeaker |
WO1992007449A1 (en) * | 1990-10-17 | 1992-04-30 | Canon Research Centre Europe Ltd | Sound output device |
FR2955445B1 (en) | 2010-01-15 | 2013-06-07 | Phl Audio | ELECTRODYNAMIC TRANSDUCER WITH DOME AND INTERNAL SUSPENSION |
FR2955444B1 (en) | 2010-01-15 | 2012-08-03 | Phl Audio | COAXIAL SPEAKER SYSTEM WITH COMPRESSION CHAMBER |
-
1946
- 1946-06-25 FR FR1001734D patent/FR1001734A/en not_active Expired
-
1948
- 1948-02-10 CH CH267996D patent/CH267996A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR1001734A (en) | 1952-02-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH267996A (en) | Wideband speaker with double vibrating diaphragm. | |
CH265044A (en) | Speed-modulated amplifier tube. | |
CH254280A (en) | Shooting range. | |
FR928176A (en) | Diaphragm for dynamic loudspeakers | |
FR946579A (en) | Electro-acoustic translators | |
FR934810A (en) | Sound reproduction devices | |
FR929623A (en) | Microphone arrangement | |
FR936121A (en) | Loudspeaker enhancements | |
DK70808C (en) | Electrodynamic microphone. | |
FR952099A (en) | Diaphragm with coil | |
FR928462A (en) | Loud speaker | |
FR925469A (en) | Loudspeaker enhancements | |
CH264765A (en) | Microphone. | |
FI25848A (en) | Sheet music | |
FR946542A (en) | Electro-acoustic converters | |
CH259866A (en) | Electromagneto-acoustic transducer. | |
FR932178A (en) | Modulated amplifier | |
FR920046A (en) | Loudspeaker enhancements | |
FR929694A (en) | Loudspeaker enhancements | |
FR925375A (en) | Loudspeaker enhancements | |
IE17861L (en) | Acoustic diaphragms | |
FR929558A (en) | Sound cinema wagon | |
FR925622A (en) | Speaker training | |
FR54523E (en) | Silent improvements | |
ES14800Y (en) | Micro-phone. |