AR203525A1 - Capsula microfonica a carbon - Google Patents
Capsula microfonica a carbonInfo
- Publication number
- AR203525A1 AR203525A1 AR259741A AR25974175A AR203525A1 AR 203525 A1 AR203525 A1 AR 203525A1 AR 259741 A AR259741 A AR 259741A AR 25974175 A AR25974175 A AR 25974175A AR 203525 A1 AR203525 A1 AR 203525A1
- Authority
- AR
- Argentina
- Prior art keywords
- microphone capsule
- carbon microphone
- carbon
- capsule
- microphone
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title 1
- 239000002775 capsule Substances 0.000 title 1
- 229910052799 carbon Inorganic materials 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
- H04R21/021—Microphones with granular resistance material
-
- 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
- H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742439688 DE2439688C2 (de) | 1974-08-19 | 1974-08-19 | Feuchtigkeitsgeschuetze kohlemikrofonkapsel |
| DE19742439720 DE2439720C2 (de) | 1974-08-19 | 1974-08-19 | Feuchtigkeitsgeschuetzte kohlemikrofonkapsel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR203525A1 true AR203525A1 (es) | 1975-09-15 |
Family
ID=25767572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AR259741A AR203525A1 (es) | 1974-08-19 | 1975-07-24 | Capsula microfonica a carbon |
Country Status (9)
| Country | Link |
|---|---|
| AR (1) | AR203525A1 (cs) |
| AT (1) | AT338896B (cs) |
| BR (1) | BR7505266A (cs) |
| CH (1) | CH591197A5 (cs) |
| FI (1) | FI752160A7 (cs) |
| FR (1) | FR2282766A1 (cs) |
| GB (1) | GB1510870A (cs) |
| IT (1) | IT1040482B (cs) |
| SE (1) | SE409538B (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108574917B (zh) * | 2018-05-28 | 2021-03-02 | 歌尔股份有限公司 | 电子设备 |
-
1975
- 1975-07-15 GB GB29598/75A patent/GB1510870A/en not_active Expired
- 1975-07-16 AT AT550075A patent/AT338896B/de not_active IP Right Cessation
- 1975-07-24 AR AR259741A patent/AR203525A1/es active
- 1975-07-28 FI FI752160A patent/FI752160A7/fi not_active Application Discontinuation
- 1975-08-05 IT IT26110/75A patent/IT1040482B/it active
- 1975-08-14 FR FR7525412A patent/FR2282766A1/fr not_active Withdrawn
- 1975-08-14 CH CH1059075A patent/CH591197A5/xx not_active IP Right Cessation
- 1975-08-18 BR BR7505266*D patent/BR7505266A/pt unknown
- 1975-08-19 SE SE7509277A patent/SE409538B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1510870A (en) | 1978-05-17 |
| SE7509277L (sv) | 1976-02-20 |
| IT1040482B (it) | 1979-12-20 |
| BR7505266A (pt) | 1976-08-03 |
| CH591197A5 (cs) | 1977-09-15 |
| SE409538B (sv) | 1979-08-20 |
| ATA550075A (de) | 1977-01-15 |
| FR2282766A1 (fr) | 1976-03-19 |
| FI752160A7 (cs) | 1976-02-20 |
| AT338896B (de) | 1977-09-26 |
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