BE505461A - - Google Patents
Info
- Publication number
- BE505461A BE505461A BE505461DA BE505461A BE 505461 A BE505461 A BE 505461A BE 505461D A BE505461D A BE 505461DA BE 505461 A BE505461 A BE 505461A
- Authority
- BE
- Belgium
Links
Classifications
- 
        - H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/54—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements of vacuum tubes
 
- 
        - H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
 
- 
        - 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)
- Feedback Control In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| NL296804X | 1950-08-26 | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| BE505461A true BE505461A (forum.php) | 
Family
ID=19783018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| BE505461D BE505461A (forum.php) | 1950-08-26 | 
Country Status (3)
| Country | Link | 
|---|---|
| BE (1) | BE505461A (forum.php) | 
| FR (1) | FR1051232A (forum.php) | 
| GB (1) | GB709649A (forum.php) | 
- 
        0
        - BE BE505461D patent/BE505461A/xx unknown
 
- 
        1951
        - 1951-08-24 FR FR1051232D patent/FR1051232A/fr not_active Expired
- 1951-08-27 GB GB20188/51A patent/GB709649A/en not_active Expired
 
Also Published As
| Publication number | Publication date | 
|---|---|
| FR1051232A (fr) | 1954-01-14 | 
| GB709649A (en) | 1954-06-02 |