NL31941C - - Google Patents
Info
- Publication number
- NL31941C NL31941C NL31941DA NL31941C NL 31941 C NL31941 C NL 31941C NL 31941D A NL31941D A NL 31941DA NL 31941 C NL31941 C NL 31941C
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/007—Telephonic communication systems specially adapted for combination with other electrical systems with remote control systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE644616X | 1927-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL31941C true NL31941C (en:Method) |
Family
ID=6580576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL31941D NL31941C (en:Method) | 1927-07-20 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR644616A (en:Method) |
| NL (1) | NL31941C (en:Method) |
-
0
- NL NL31941D patent/NL31941C/xx active
-
1927
- 1927-11-09 FR FR644616D patent/FR644616A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR644616A (fr) | 1928-10-11 |