DE231649C - - Google Patents
Info
- Publication number
- DE231649C DE231649C DENDAT231649D DE231649DA DE231649C DE 231649 C DE231649 C DE 231649C DE NDAT231649 D DENDAT231649 D DE NDAT231649D DE 231649D A DE231649D A DE 231649DA DE 231649 C DE231649 C DE 231649C
- Authority
- DE
- Germany
- Prior art keywords
- microphones
- current
- microphone
- circuit
- line
- 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.)
- Active
Links
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 230000003313 weakening effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE232991T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE231649C true DE231649C (enrdf_load_html_response) |
Family
ID=5883768
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT231649D Active DE231649C (enrdf_load_html_response) | |||
| DENDAT232991D Active DE232991C (enrdf_load_html_response) |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT232991D Active DE232991C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE232991C (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6433868B1 (en) | 1999-02-15 | 2002-08-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for differential spectroscopic measurements |
-
0
- DE DENDAT231649D patent/DE231649C/de active Active
- DE DENDAT232991D patent/DE232991C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6433868B1 (en) | 1999-02-15 | 2002-08-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for differential spectroscopic measurements |
Also Published As
| Publication number | Publication date |
|---|---|
| DE232991C (enrdf_load_html_response) |
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