IT1110405B - Microfono composito insensibile a vibrazioni di bassa frequenza - Google Patents
Microfono composito insensibile a vibrazioni di bassa frequenzaInfo
- Publication number
- IT1110405B IT1110405B IT20890/79A IT2089079A IT1110405B IT 1110405 B IT1110405 B IT 1110405B IT 20890/79 A IT20890/79 A IT 20890/79A IT 2089079 A IT2089079 A IT 2089079A IT 1110405 B IT1110405 B IT 1110405B
- Authority
- IT
- Italy
- Prior art keywords
- insensitive
- low frequency
- frequency vibrations
- composite microphone
- microphone
- Prior art date
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
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7802687A NL7802687A (nl) | 1978-03-13 | 1978-03-13 | Dreunvrije microfooncombinatie bevattende twee microfoonelementen. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7920890A0 IT7920890A0 (it) | 1979-03-09 |
| IT1110405B true IT1110405B (it) | 1985-12-23 |
Family
ID=19830478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT20890/79A IT1110405B (it) | 1978-03-13 | 1979-03-09 | Microfono composito insensibile a vibrazioni di bassa frequenza |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS54126526A (it) |
| AT (1) | ATA183379A (it) |
| AU (1) | AU4507579A (it) |
| DE (1) | DE2909065A1 (it) |
| DK (1) | DK98479A (it) |
| FR (1) | FR2420266A1 (it) |
| GB (1) | GB2016861A (it) |
| IT (1) | IT1110405B (it) |
| NL (1) | NL7802687A (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2044037B (en) * | 1978-12-23 | 1983-03-23 | Tokyo Shibaura Electric Co | Electrostatic microphone |
| US4443666A (en) * | 1980-11-24 | 1984-04-17 | Gentex Corporation | Electret microphone assembly |
| DE3429147C2 (de) * | 1984-08-08 | 1987-04-02 | Friedrich 6650 Homburg Müller | Anordnung zur akustischen Gegenkopplung von Lautsprechern |
| GB2176369B (en) * | 1985-05-09 | 1988-10-05 | Plessey Co Plc | Improvements in and relating to microphones |
| JPH01142295U (it) * | 1988-03-19 | 1989-09-29 | ||
| DE19843731C2 (de) * | 1998-09-24 | 2001-10-25 | Sennheiser Electronic | Vorrichtung zur Schallwandlung |
-
1978
- 1978-03-13 NL NL7802687A patent/NL7802687A/xx not_active Application Discontinuation
-
1979
- 1979-03-08 DE DE19792909065 patent/DE2909065A1/de not_active Withdrawn
- 1979-03-09 DK DK98479A patent/DK98479A/da unknown
- 1979-03-09 IT IT20890/79A patent/IT1110405B/it active
- 1979-03-09 GB GB7908360A patent/GB2016861A/en not_active Withdrawn
- 1979-03-10 JP JP2817279A patent/JPS54126526A/ja active Pending
- 1979-03-12 FR FR7906282A patent/FR2420266A1/fr not_active Withdrawn
- 1979-03-12 AT AT183379A patent/ATA183379A/de not_active IP Right Cessation
- 1979-03-13 AU AU45075/79A patent/AU4507579A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU4507579A (en) | 1979-09-20 |
| IT7920890A0 (it) | 1979-03-09 |
| FR2420266A1 (fr) | 1979-10-12 |
| ATA183379A (de) | 1980-04-15 |
| DE2909065A1 (de) | 1979-09-20 |
| GB2016861A (en) | 1979-09-26 |
| DK98479A (da) | 1979-09-14 |
| NL7802687A (nl) | 1979-09-17 |
| JPS54126526A (en) | 1979-10-01 |
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