DE174543C - - Google Patents
Info
- Publication number
- DE174543C DE174543C DENDAT174543D DE174543DA DE174543C DE 174543 C DE174543 C DE 174543C DE NDAT174543 D DENDAT174543 D DE NDAT174543D DE 174543D A DE174543D A DE 174543DA DE 174543 C DE174543 C DE 174543C
- Authority
- DE
- Germany
- Prior art keywords
- lines
- switch
- receiver
- current
- springs
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/12—Calling substations, e.g. by ringing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE174543C true DE174543C (cs) |
Family
ID=439271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT174543D Active DE174543C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE174543C (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154469A (en) * | 1991-06-26 | 1992-10-13 | Morrow Floyd L | Mobile, multiuse, expandable rooms |
-
0
- DE DENDAT174543D patent/DE174543C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5154469A (en) * | 1991-06-26 | 1992-10-13 | Morrow Floyd L | Mobile, multiuse, expandable rooms |
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