BE493609A - - Google Patents
Info
- Publication number
- BE493609A BE493609A BE493609DA BE493609A BE 493609 A BE493609 A BE 493609A BE 493609D A BE493609D A BE 493609DA BE 493609 A BE493609 A BE 493609A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M5/00—Manual exchanges
- H04M5/10—Manual exchanges using separate plug for each subscriber
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1010219X | 1949-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE493609A true BE493609A (en]) |
Family
ID=4552457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE493609D BE493609A (en]) | 1949-02-02 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE493609A (en]) |
| CH (1) | CH272116A (en]) |
| FR (1) | FR1010219A (en]) |
-
0
- BE BE493609D patent/BE493609A/xx unknown
-
1949
- 1949-02-02 CH CH272116D patent/CH272116A/de unknown
-
1950
- 1950-01-28 FR FR1010219D patent/FR1010219A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH272116A (de) | 1950-11-30 |
| FR1010219A (fr) | 1952-06-09 |