NL6608424A - - Google Patents
Info
- Publication number
- NL6608424A NL6608424A NL6608424A NL6608424A NL6608424A NL 6608424 A NL6608424 A NL 6608424A NL 6608424 A NL6608424 A NL 6608424A NL 6608424 A NL6608424 A NL 6608424A NL 6608424 A NL6608424 A NL 6608424A
- 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
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE823065A SE325932B (et) | 1965-06-22 | 1965-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6608424A true NL6608424A (et) | 1966-08-25 |
Family
ID=20273504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6608424A NL6608424A (et) | 1965-06-22 | 1966-06-17 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1257870B (et) |
| NL (1) | NL6608424A (et) |
| SE (1) | SE325932B (et) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4303802A (en) * | 1979-06-04 | 1981-12-01 | Venmark Corporation | Monitoring system using telephone circuit |
-
1965
- 1965-06-22 SE SE823065A patent/SE325932B/xx unknown
-
1966
- 1966-06-17 NL NL6608424A patent/NL6608424A/xx unknown
- 1966-06-18 DE DE1966N0028698 patent/DE1257870B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE325932B (et) | 1970-07-13 |
| DE1257870B (de) | 1968-01-04 |