DE176030C - - Google Patents
Info
- Publication number
- DE176030C DE176030C DENDAT176030D DE176030DA DE176030C DE 176030 C DE176030 C DE 176030C DE NDAT176030 D DENDAT176030 D DE NDAT176030D DE 176030D A DE176030D A DE 176030DA DE 176030 C DE176030 C DE 176030C
- Authority
- DE
- Germany
- Prior art keywords
- call
- circuit
- short
- buzzer
- secondary winding
- 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
- 238000004804 winding Methods 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 8
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)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE176030C true DE176030C (cs) |
Family
ID=440622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT176030D Active DE176030C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE176030C (cs) |
-
0
- DE DENDAT176030D patent/DE176030C/de active Active
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