NL54223C - - Google Patents
Info
- Publication number
- NL54223C NL54223C NL54223DA NL54223C NL 54223 C NL54223 C NL 54223C NL 54223D A NL54223D A NL 54223DA NL 54223 C NL54223 C NL 54223C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
- H04M11/022—Paging systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM139023D DE708066C (de) | 1937-08-24 | 1937-08-24 | Schaltungsanordnung fuer Personensucheinrichtungen in Fernsprechanlagen, insbesondere Nebenstellenanlagen, mit einem zur Kennzeichnung des zu suchenden Teilnehmers dienenden Waehler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL54223C true NL54223C (https=) |
Family
ID=7334222
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL54223D NL54223C (https=) | 1937-08-24 | ||
| NL55165D NL55165C (https=) | 1937-08-24 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL55165D NL55165C (https=) | 1937-08-24 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE708066C (https=) |
| NL (2) | NL55165C (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2567650A (en) * | 1947-04-23 | 1951-09-11 | Stromberg Carlson Co | Automatic telephone system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE512873A (https=) * | 1951-07-23 | |||
| DE929134C (de) * | 1952-08-23 | 1955-06-20 | Kabelindustrie Ag | Personensucheinrichtung |
-
0
- NL NL54223D patent/NL54223C/xx active
- NL NL55165D patent/NL55165C/xx active
-
1937
- 1937-08-24 DE DEM139023D patent/DE708066C/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2567650A (en) * | 1947-04-23 | 1951-09-11 | Stromberg Carlson Co | Automatic telephone system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE708066C (de) | 1941-07-11 |
| NL55165C (https=) |