DE154500C - - Google Patents
Info
- Publication number
- DE154500C DE154500C DENDAT154500D DE154500DA DE154500C DE 154500 C DE154500 C DE 154500C DE NDAT154500 D DENDAT154500 D DE NDAT154500D DE 154500D A DE154500D A DE 154500DA DE 154500 C DE154500 C DE 154500C
- Authority
- DE
- Germany
- Prior art keywords
- call
- contact
- battery
- station
- button
- 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
- 210000000056 organ Anatomy 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Mobile Radio Communication Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE154500C true DE154500C (enrdf_load_html_response) |
Family
ID=421038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT154500D Active DE154500C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE154500C (enrdf_load_html_response) |
-
0
- DE DENDAT154500D patent/DE154500C/de active Active
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