DE300232C - - Google Patents
Info
- Publication number
- DE300232C DE300232C DENDAT300232D DE300232DA DE300232C DE 300232 C DE300232 C DE 300232C DE NDAT300232 D DENDAT300232 D DE NDAT300232D DE 300232D A DE300232D A DE 300232DA DE 300232 C DE300232 C DE 300232C
- Authority
- DE
- Germany
- Prior art keywords
- call
- battery
- stations
- calling
- common
- 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
- 238000005336 cracking Methods 0.000 claims description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 230000011664 signaling Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000003313 weakening effect 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
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE300232C true DE300232C (enrdf_load_html_response) |
Family
ID=554231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT300232D Active DE300232C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE300232C (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4867278A (en) * | 1988-06-17 | 1989-09-19 | Walton James F | Wheel chocking device |
-
0
- DE DENDAT300232D patent/DE300232C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4867278A (en) * | 1988-06-17 | 1989-09-19 | Walton James F | Wheel chocking device |
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