DE2248023C2 - In die Sprechkapsel, insbesondere eines Fernsprech-Handapparates eingebautes Kohlemikrofon - Google Patents
In die Sprechkapsel, insbesondere eines Fernsprech-Handapparates eingebautes KohlemikrofonInfo
- Publication number
- DE2248023C2 DE2248023C2 DE2248023A DE2248023DA DE2248023C2 DE 2248023 C2 DE2248023 C2 DE 2248023C2 DE 2248023 A DE2248023 A DE 2248023A DE 2248023D A DE2248023D A DE 2248023DA DE 2248023 C2 DE2248023 C2 DE 2248023C2
- Authority
- DE
- Germany
- Prior art keywords
- microphone
- electrode
- contact
- capsule
- insulating part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000002775 capsule Substances 0.000 title claims description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 6
- 229910052799 carbon Inorganic materials 0.000 title claims description 6
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 230000003292 diminished effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000883402 Endeis Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 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
-
- 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
- H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2248023 | 1972-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2248023B1 DE2248023B1 (de) | 1973-12-20 |
| DE2248023C2 true DE2248023C2 (de) | 1974-07-11 |
Family
ID=5857860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2248023A Expired DE2248023C2 (de) | 1972-09-29 | 1972-09-29 | In die Sprechkapsel, insbesondere eines Fernsprech-Handapparates eingebautes Kohlemikrofon |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT324458B (show.php) |
| BE (1) | BE803885A (show.php) |
| DE (1) | DE2248023C2 (show.php) |
| FR (1) | FR2201602B3 (show.php) |
| NL (1) | NL7313179A (show.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2503828C3 (de) * | 1975-01-30 | 1983-04-21 | Friedrich Reiner Telefonfabrik | Permanentdynamische elektroakustische Wandlerkapsel |
| DE2557023C2 (de) * | 1975-12-18 | 1982-06-09 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Elektroakustischer Wandler |
| FR3132958B1 (fr) | 2022-02-23 | 2024-01-19 | Psa Automobiles Sa | Procédé et dispositif de communication de données par sélection d’au moins un radar dans une pluralité de radars d’un véhicule |
-
1972
- 1972-09-29 DE DE2248023A patent/DE2248023C2/de not_active Expired
-
1973
- 1973-08-02 AT AT680573A patent/AT324458B/de not_active IP Right Cessation
- 1973-08-22 BE BE134815A patent/BE803885A/xx unknown
- 1973-08-24 FR FR7330829A patent/FR2201602B3/fr not_active Expired
- 1973-09-25 NL NL7313179A patent/NL7313179A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2201602B3 (show.php) | 1976-07-30 |
| FR2201602A1 (show.php) | 1974-04-26 |
| DE2248023B1 (de) | 1973-12-20 |
| BE803885A (fr) | 1973-12-17 |
| AT324458B (de) | 1975-09-10 |
| NL7313179A (show.php) | 1974-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Publication of the examined application without previous publication of unexamined application | ||
| C2 | Grant after previous publication (2nd publication) |