NL28203C - - Google Patents
Info
- Publication number
- NL28203C NL28203C NL28203DA NL28203C NL 28203 C NL28203 C NL 28203C NL 28203D A NL28203D A NL 28203DA NL 28203 C NL28203 C NL 28203C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
- H04Q9/06—Calling by using amplitude or polarity of dc
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT661795X | 1927-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL28203C true NL28203C (xx) | 1900-01-01 |
Family
ID=3678429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL28203D NL28203C (xx) | 1927-10-11 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR661795A (xx) |
| NL (1) | NL28203C (xx) |
-
0
- NL NL28203D patent/NL28203C/xx active
-
1928
- 1928-10-06 FR FR661795D patent/FR661795A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR661795A (fr) | 1929-07-30 |