NL267294A - - Google Patents
Info
- Publication number
- NL267294A NL267294A NL267294DA NL267294A NL 267294 A NL267294 A NL 267294A NL 267294D A NL267294D A NL 267294DA NL 267294 A NL267294 A NL 267294A
- Authority
- NL
- Netherlands
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
- H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for telephonic receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES69544A DE1167897B (de) | 1960-07-22 | 1960-07-22 | Anordnung zur Frequenzgangverbesserung fuer elektroakustische Wandler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL267294A true NL267294A (it) |
Family
ID=7501053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL267294D NL267294A (it) | 1960-07-22 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE606388A (it) |
| CH (1) | CH395192A (it) |
| DE (1) | DE1167897B (it) |
| GB (1) | GB950675A (it) |
| NL (1) | NL267294A (it) |
| SE (1) | SE309609B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4843628A (en) * | 1986-07-10 | 1989-06-27 | Stanton Magnetics, Inc. | Inertial microphone/receiver with extended frequency response |
| DE3630951A1 (de) * | 1986-09-11 | 1988-03-17 | Siemens Ag | Anordnung zur frequenzgangverbesserung fuer elektroakustische wandler |
| CN1015289B (zh) * | 1988-08-10 | 1992-01-01 | 西门子公司 | 电声转换器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE554098C (de) * | 1927-10-04 | 1932-07-04 | Gramophone Co Ltd | Resonator fuer Schallwiedergabegeraete |
| NL78163C (it) * | 1950-05-11 | |||
| DE1677711U (de) * | 1953-03-24 | 1954-06-10 | Siemens Ag | Kohlekoernermikrophon mit resonatoreinsprache. |
| DE1076182B (de) * | 1957-02-21 | 1960-02-25 | F & H Schumann G M B H | Filteranordnung fuer elektro-akustische Wandler |
-
0
- NL NL267294D patent/NL267294A/xx unknown
-
1960
- 1960-07-22 DE DES69544A patent/DE1167897B/de active Pending
-
1961
- 1961-06-23 CH CH735161A patent/CH395192A/de unknown
- 1961-07-19 GB GB2623061A patent/GB950675A/en not_active Expired
- 1961-07-20 BE BE606388A patent/BE606388A/fr unknown
- 1961-07-21 SE SE754961A patent/SE309609B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE309609B (it) | 1969-03-31 |
| BE606388A (fr) | 1961-11-16 |
| GB950675A (en) | 1964-02-26 |
| CH395192A (de) | 1965-07-15 |
| DE1167897B (de) | 1964-04-16 |