NL6602799A - - Google Patents
Info
- Publication number
- NL6602799A NL6602799A NL6602799A NL6602799A NL6602799A NL 6602799 A NL6602799 A NL 6602799A NL 6602799 A NL6602799 A NL 6602799A NL 6602799 A NL6602799 A NL 6602799A NL 6602799 A NL6602799 A NL 6602799A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for microphones
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6602799A NL6602799A (de) | 1966-03-04 | 1966-03-04 | |
| DE1967N0019774 DE1962548U (de) | 1966-03-04 | 1967-03-01 | Mikrophon zur anwendung in einem hoergeraet fuer vibrationstaube personen. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6602799A NL6602799A (de) | 1966-03-04 | 1966-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6602799A true NL6602799A (de) | 1967-09-05 |
Family
ID=19795896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6602799A NL6602799A (de) | 1966-03-04 | 1966-03-04 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1962548U (de) |
| NL (1) | NL6602799A (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4002863A (en) * | 1974-12-02 | 1977-01-11 | Harmen Broersma | Transducer and method of making same |
| US7065224B2 (en) | 2001-09-28 | 2006-06-20 | Sonionmicrotronic Nederland B.V. | Microphone for a hearing aid or listening device with improved internal damping and foreign material protection |
| US7072482B2 (en) | 2002-09-06 | 2006-07-04 | Sonion Nederland B.V. | Microphone with improved sound inlet port |
| US7415121B2 (en) | 2004-10-29 | 2008-08-19 | Sonion Nederland B.V. | Microphone with internal damping |
-
1966
- 1966-03-04 NL NL6602799A patent/NL6602799A/xx unknown
-
1967
- 1967-03-01 DE DE1967N0019774 patent/DE1962548U/de not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4002863A (en) * | 1974-12-02 | 1977-01-11 | Harmen Broersma | Transducer and method of making same |
| US7065224B2 (en) | 2001-09-28 | 2006-06-20 | Sonionmicrotronic Nederland B.V. | Microphone for a hearing aid or listening device with improved internal damping and foreign material protection |
| US7072482B2 (en) | 2002-09-06 | 2006-07-04 | Sonion Nederland B.V. | Microphone with improved sound inlet port |
| US7415121B2 (en) | 2004-10-29 | 2008-08-19 | Sonion Nederland B.V. | Microphone with internal damping |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1962548U (de) | 1967-06-22 |