DE145229C - - Google Patents
Info
- Publication number
- DE145229C DE145229C DENDAT145229D DE145229DA DE145229C DE 145229 C DE145229 C DE 145229C DE NDAT145229 D DENDAT145229 D DE NDAT145229D DE 145229D A DE145229D A DE 145229DA DE 145229 C DE145229 C DE 145229C
- Authority
- DE
- Germany
- Prior art keywords
- line
- quiescent current
- telephone
- stations
- microphones
- 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
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE145229C true DE145229C (https=) |
Family
ID=412593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT145229D Active DE145229C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE145229C (https=) |
-
0
- DE DENDAT145229D patent/DE145229C/de active Active
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